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U-Boot 2011.06-dirty (Sep 04 2012 - 17:06:58)

OMAP3530-GP ES3.0, CPU-OPP2, L3-165MHz, Max CPU Clock 600 mHz
OMAP3 Beagle board + LPDDR/NAND
I2C:   ready
DRAM:  256 MiB
NAND:  256 MiB
MMC:   OMAP SD/MMC: 0
In:    serial
Out:   serial
Err:   serial
Beagle Rev C1/C2/C3
timed out in wait_for_pin: I2C_STAT=0
I2C read: I/O error
Unrecognized expansion board: 0
Die ID #5cf200030000000004013f7902012010
Hit any key to stop autoboot:  2  0 
OMAP3 beagleboard.org # 
OMAP3 beagleboard.org # loady 0x81000000
## Ready for binary (ymodem) download to 0x81000000 at 230400 bps...
CSending: uImage-dtb.omap3-beagle
Sending: 

Transfer complete
zModem - CRC mode, 5(SOH)/4674(STX)/0(CAN) packets, 3 retries
## Total Size      = 0x0049095e = 4786526 Bytes
OMAP3 beagleboard.org # 
OMAP3 beagleboard.org # 
OMAP3 beagleboard.org # setenv bootargs console=ttyO2,230400n8 root=/dev/mmcblk0p2 rw rootfstype=ext3 rootwait earlyprintk
OMAP3 beagleboard.org # 
OMAP3 beagleboard.org # bootm 0x81000000
## Booting kernel from Legacy Image at 81000000 ...
   Image Name:   Linux-
   Image Type:   ARM Linux Kernel Image (uncompressed)
   Data Size:    4786462 Bytes = 4.6 MiB
   Load Address: 80008000
   Entry Point:  80008000
   Verifying Checksum ... OK
   Loading Kernel Image ... OK
OK

Starting kernel ...

[    0.000000] Booting Linux on physical CPU 0x0
[    0.000000] Initializing cgroup subsys cpuset
[    0.000000] Initializing cgroup subsys cpu
[    0.000000] Initializing cgroup subsys cpuacct
[    0.000000] Linux version 3.19.0-rc4-118442-geaa27f3 (paul@knihy) (gcc version 4.7.2 (Debian 4.7.2-5) ) #1 SMP Sun Jan 18 19:28:09 MST 2015
[    0.000000] CPU: ARMv7 Processor [411fc083] revision 3 (ARMv7), cr=10c5387d
[    0.000000] CPU: PIPT / VIPT nonaliasing data cache, VIPT nonaliasing instruction cache
[    0.000000] Machine model: TI OMAP3 BeagleBoard
[    0.000000] cma: Reserved 16 MiB at 0x8e800000
[    0.000000] Memory policy: Data cache writeback
[    0.000000] CPU: All CPU(s) started in SVC mode.
[    0.000000] OMAP3430/3530 ES3.0 (l2cache iva sgx neon isp )
[    0.000000] PERCPU: Embedded 11 pages/cpu @cfc3c000 s14912 r8192 d21952 u45056
[    0.000000] Built 1 zonelists in Zone order, mobility grouping on.  Total pages: 64704
[    0.000000] Kernel command line: console=ttyO2,230400n8 root=/dev/mmcblk0p2 rw rootfstype=ext3 rootwait earlyprintk
[    0.000000] PID hash table entries: 1024 (order: 0, 4096 bytes)
[    0.000000] Dentry cache hash table entries: 32768 (order: 5, 131072 bytes)
[    0.000000] Inode-cache hash table entries: 16384 (order: 4, 65536 bytes)
[    0.000000] Memory: 223760K/261120K available (6190K kernel code, 674K rwdata, 2356K rodata, 428K init, 8221K bss, 20976K reserved, 16384K cma-reserved, 0K highmem)
[    0.000000] Virtual kernel memory layout:
[    0.000000]     vector  : 0xffff0000 - 0xffff1000   (   4 kB)
[    0.000000]     fixmap  : 0xffc00000 - 0xfff00000   (3072 kB)
[    0.000000]     vmalloc : 0xd0800000 - 0xff000000   ( 744 MB)
[    0.000000]     lowmem  : 0xc0000000 - 0xd0000000   ( 256 MB)
[    0.000000]     pkmap   : 0xbfe00000 - 0xc0000000   (   2 MB)
[    0.000000]     modules : 0xbf000000 - 0xbfe00000   (  14 MB)
[    0.000000]       .text : 0xc0008000 - 0xc0860d10   (8548 kB)
[    0.000000]       .init : 0xc0861000 - 0xc08cc000   ( 428 kB)
[    0.000000]       .data : 0xc08cc000 - 0xc0974b28   ( 675 kB)
[    0.000000]        .bss : 0xc0974b28 - 0xc117c290   (8222 kB)
[    0.000000] Hierarchical RCU implementation.
[    0.000000] 	RCU restricting CPUs from NR_CPUS=2 to nr_cpu_ids=1.
[    0.000000] RCU: Adjusting geometry for rcu_fanout_leaf=16, nr_cpu_ids=1
[    0.000000] NR_IRQS:16 nr_irqs:16 16
[    0.000000] IRQ: Found an INTC at 0xfa200000 (revision 4.0) with 96 interrupts
[    0.000000] Clocking rate (Crystal/Core/MPU): 26.0/332/500 MHz
[    0.000000] OMAP clockevent source: timer12 at 32768 Hz
[    0.000030] sched_clock: 32 bits at 32kHz, resolution 30517ns, wraps every 65536000000000ns
[    0.000061] OMAP clocksource: 32k_counter at 32768 Hz
[    0.001525] Console: colour dummy device 80x30
[    0.001617] Lock dependency validator: Copyright (c) 2006 Red Hat, Inc., Ingo Molnar
[    0.001647] ... MAX_LOCKDEP_SUBCLASSES:  8
[    0.001678] ... MAX_LOCK_DEPTH:          48
[    0.001678] ... MAX_LOCKDEP_KEYS:        8191
[    0.001708] ... CLASSHASH_SIZE:          4096
[    0.001708] ... MAX_LOCKDEP_ENTRIES:     32768
[    0.001739] ... MAX_LOCKDEP_CHAINS:      65536
[    0.001739] ... CHAINHASH_SIZE:          32768
[    0.001770]  memory used by lock dependency info: 5167 kB
[    0.001770]  per task-struct memory footprint: 1152 bytes
[    0.001831] Calibrating delay loop... 469.40 BogoMIPS (lpj=2347008)
[    0.101287] pid_max: default: 32768 minimum: 301
[    0.101928] Security Framework initialized
[    0.102233] Mount-cache hash table entries: 1024 (order: 0, 4096 bytes)
[    0.102264] Mountpoint-cache hash table entries: 1024 (order: 0, 4096 bytes)
[    0.107818] Initializing cgroup subsys memory
[    0.107971] Initializing cgroup subsys devices
[    0.108123] Initializing cgroup subsys freezer
[    0.108276] Initializing cgroup subsys blkio
[    0.108428] Initializing cgroup subsys perf_event
[    0.108581] CPU: Testing write buffer coherency: ok
[    0.111022] CPU0: thread -1, cpu 0, socket -1, mpidr 0
[    0.111236] Setting up static identity map for 0x805dd990 - 0x805dda00
[    0.117553] Brought up 1 CPUs
[    0.117584] SMP: Total of 1 processors activated (469.40 BogoMIPS).
[    0.117614] CPU: All CPU(s) started in SVC mode.
[    0.123474] devtmpfs: initialized
[    0.127410] VFP support v0.3: implementor 41 architecture 3 part 30 variant c rev 1
[    0.233459] omap_hwmod: mcbsp2_sidetone using broken dt data from mcbsp
[    0.236511] omap_hwmod: mcbsp3_sidetone using broken dt data from mcbsp
[    0.345916] pinctrl core: initialized pinctrl subsystem
[    0.480773] NET: Registered protocol family 16
[    0.492462] DMA: preallocated 256 KiB pool for atomic coherent allocations
[    0.496459] cpuidle: using governor ladder
[    0.496520] cpuidle: using governor menu
[    0.509002] Reprogramming SDRC clock to 332000000 Hz
[    0.525665] omap_gpio 48310000.gpio: could not find pctldev for node /ocp/pinmux@48002a00/pinmux_gpio1_pins, deferring probe
[    0.525726] platform 48310000.gpio: Driver omap_gpio requests probe deferral
[    0.531219] OMAP GPIO hardware version 2.5
[    0.549591] irq: no irq domain found for /ocp/pinmux@48002030 !
[    0.584838] omap-gpmc 6e000000.gpmc: GPMC revision 5.0
[    0.600433] No ATAGs?
[    0.600494] hw-breakpoint: debug architecture 0x4 unsupported.
[    0.605712] OMAP DMA hardware revision 4.0
[    0.730468] omap-dma-engine 48056000.dma-controller: OMAP DMA engine driver
[    0.732421] platform hsusb2_power_reg: Driver reg-fixed-voltage requests probe deferral
[    0.739776] SCSI subsystem initialized
[    0.742553] usbcore: registered new interface driver usbfs
[    0.742889] usbcore: registered new interface driver hub
[    0.743194] usbcore: registered new device driver usb
[    0.744415] platform hsusb2_phy: Driver usb_phy_generic requests probe deferral
[    0.753265] omap_i2c 48070000.i2c: bus 0 rev3.3 at 2600 kHz
[    0.755432] omap_i2c 48072000.i2c: bus 1 rev3.3 at 100 kHz
[    0.757598] omap_i2c 48060000.i2c: bus 2 rev3.3 at 100 kHz
[    0.765899] Switched to clocksource 32k_counter
[    1.058227] NET: Registered protocol family 2
[    1.061218] TCP established hash table entries: 2048 (order: 1, 8192 bytes)
[    1.061523] TCP bind hash table entries: 2048 (order: 4, 73728 bytes)
[    1.062896] TCP: Hash tables configured (established 2048 bind 2048)
[    1.063293] TCP: reno registered
[    1.063354] UDP hash table entries: 256 (order: 2, 20480 bytes)
[    1.063720] UDP-Lite hash table entries: 256 (order: 2, 20480 bytes)
[    1.066009] NET: Registered protocol family 1
[    1.068634] RPC: Registered named UNIX socket transport module.
[    1.068695] RPC: Registered udp transport module.
[    1.068695] RPC: Registered tcp transport module.
[    1.068725] RPC: Registered tcp NFSv4.1 backchannel transport module.
[    1.071136] hw perfevents: enabled with armv7_cortex_a8 PMU driver, 5 counters available
[    1.082000] futex hash table entries: 256 (order: 2, 16384 bytes)
[    1.082458] audit: initializing netlink subsys (disabled)
[    1.082885] audit: type=2000 audit(1.100:1): initialized
[    1.091064] VFS: Disk quotas dquot_6.5.2
[    1.091369] VFS: Dquot-cache hash table entries: 1024 (order 0, 4096 bytes)
[    1.096069] NFS: Registering the id_resolver key type
[    1.096771] Key type id_resolver registered
[    1.096801] Key type id_legacy registered
[    1.097106] jffs2: version 2.2. (NAND) (SUMMARY)  © 2001-2006 Red Hat, Inc.
[    1.104980] io scheduler noop registered
[    1.105041] io scheduler deadline registered
[    1.105255] io scheduler cfq registered (default)
[    1.111389] pinctrl-single 48002030.pinmux: 284 pins at pa fa002030 size 568
[    1.112426] pinctrl-single 48002a00.pinmux: 46 pins at pa fa002a00 size 92
[    1.114105] pinctrl-single 480025d8.pinmux: 18 pins at pa fa0025d8 size 36
[    1.124664] Serial: 8250/16550 driver, 4 ports, IRQ sharing enabled
[    1.137054] omap_uart 4806a000.serial: no wakeirq for uart0
[    1.137817] omap_uart 4806a000.serial: ttyO0 at MMIO 0x4806a000 (irq = 192, base_baud = 3000000) is a OMAP UART0
[    1.141174] omap_uart 4806c000.serial: no wakeirq for uart0
[    1.141937] omap_uart 4806c000.serial: ttyO1 at MMIO 0x4806c000 (irq = 193, base_baud = 3000000) is a OMAP UART1
[    1.145385] omap_uart 49020000.serial: ttyO2 at MMIO 0x49020000 (irq = 194, base_baud = 3000000) is a OMAP UART2
[    1.553039] console [ttyO2] enabled
[    1.602264] brd: module loaded
[    1.630340] loop: module loaded
[    1.647979] twl 0-0048: PIH (irq 265) chaining IRQs 266..274
[    1.651702] twl 0-0048: power (irq 271) chaining IRQs 274..281
[    1.732604] twl4030_gpio twl4030-gpio: gpio (irq 266) chaining IRQs 282..299
[    1.756896] mtdoops: mtd device (mtddev=name/number) must be supplied
[    1.775726] usbcore: registered new interface driver asix
[    1.778961] usbcore: registered new interface driver ax88179_178a
[    1.782562] usbcore: registered new interface driver cdc_ether
[    1.786193] usbcore: registered new interface driver smsc95xx
[    1.789611] usbcore: registered new interface driver net1080
[    1.792968] usbcore: registered new interface driver cdc_subset
[    1.796508] usbcore: registered new interface driver zaurus
[    1.799957] usbcore: registered new interface driver cdc_ncm
[    1.805114] usbcore: registered new interface driver cdc_wdm
[    1.808715] usbcore: registered new interface driver usb-storage
[    1.812347] usbcore: registered new interface driver usbtest
[    1.819976] mousedev: PS/2 mouse device common for all mice
[    1.824737] twl4030_keypad 48070000.i2c:twl@48:keypad: OF: linux,keymap property not defined in /ocp/i2c@48070000/twl@48/keypad
[    1.831207] twl4030_keypad 48070000.i2c:twl@48:keypad: Failed to build keymap
[    1.835174] twl4030_keypad: probe of 48070000.i2c:twl@48:keypad failed with error -2
[    1.844665] input: twl4030_pwrbutton as /devices/platform/68000000.ocp/48070000.i2c/i2c-0/0-0048/48070000.i2c:twl@48:pwrbutton/input/input1
[    1.858093] twl_rtc 48070000.i2c:twl@48:rtc: Power up reset detected.
[    1.861938] twl_rtc 48070000.i2c:twl@48:rtc: Enabling TWL-RTC
[    1.871398] twl_rtc 48070000.i2c:twl@48:rtc: rtc core: registered 48070000.i2c:twl@48 as rtc0
[    1.877685] i2c /dev entries driver
[    1.884155] Driver for 1-wire Dallas network protocol.
[    1.892791] omap_wdt: OMAP Watchdog Timer Rev 0x31: initial timeout 60 sec
[    1.900177] Driver 'mmcblk' needs updating - please use bus_type methods
[    1.968719] ledtrig-cpu: registered to indicate activity on CPUs
[    1.973175] usbcore: registered new interface driver usbhid
[    1.976348] usbhid: USB HID core driver
[    1.982025] oprofile: using arm/armv7
[    1.985351] TCP: cubic registered
[    1.987365] Initializing XFRM netlink socket
[    1.989959] NET: Registered protocol family 17
[    1.992523] NET: Registered protocol family 15
[    1.995758] Key type dns_resolver registered
[    1.998565] omap2_set_init_voltage: unable to find boot up OPP for vdd_mpu_iva
[    2.002502] omap2_set_init_voltage: unable to set vdd_mpu_iva
[    2.005859] omap2_set_init_voltage: unable to find boot up OPP for vdd_core
[    2.009643] omap2_set_init_voltage: unable to set vdd_core
[    2.016418] PM: no software I/O chain control; some wakeups may be lost
[    2.023223] ThumbEE CPU extension supported.
[    2.025726] Registering SWP/SWPB emulation handler
[    2.028381] SmartReflex Class3 initialized
[    2.062408] input: gpio_keys as /devices/platform/gpio_keys/input/input2
[    2.070434] twl_rtc 48070000.i2c:twl@48:rtc: setting system clock to 2000-01-01 00:00:00 UTC (946684800)
[    2.075744] sr_init: No PMIC hook to init smartreflex
[    2.079315] smartreflex smartreflex.0: omap_sr_probe: SmartReflex driver initialized
[    2.083984] smartreflex smartreflex.0: omap_sr_probe: smartreflex_mpu_iva: No Voltage table for the corresponding vdd. Cannot create debugfs entries for n-values
[    2.092803] smartreflex: probe of smartreflex.0 failed with error -61
[    2.096771] smartreflex smartreflex.1: omap_sr_probe: SmartReflex driver initialized
[    2.101379] smartreflex smartreflex.1: omap_sr_probe: smartreflex_core: No Voltage table for the corresponding vdd. Cannot create debugfs entries for n-values
[    2.109558] smartreflex: probe of smartreflex.1 failed with error -61
[    2.113311] sr_init: platform driver register failed for SR
[    2.230590] hsusb2_vbus: disabling
[    2.234222] VUSB3V1: disabling
[    2.237609] VUSB1V8: disabling
[    2.241394] VUSB1V5: disabling
[    2.244781] VDAC: disabling
[    2.248321] VAUX3: disabling
[    2.250183] mmc0: host does not support reading read-only switch, assuming write-enable
[    2.261596] Waiting for root device /dev/mmcblk0p2...
[    2.264984] mmc0: new SD card at address 8001
[    2.272125] mmcblk0: mmc0:8001 SD02G 1.89 GiB 
[    2.283050]  mmcblk0: p1 p2
[    3.667144] kjournald starting.  Commit interval 5 seconds
[    3.670715] EXT3-fs (mmcblk0p2): warning: maximal mount count reached, running e2fsck is recommended
[    3.857940] EXT3-fs (mmcblk0p2): using internal journal
[    3.865875] EXT3-fs (mmcblk0p2): recovery complete
[    3.868499] EXT3-fs (mmcblk0p2): mounted filesystem with ordered data mode
[    3.872467] VFS: Mounted root (ext3 filesystem) on device 179:2.
[    3.882476] devtmpfs: mounted
[    3.885955] Freeing unused kernel memory: 428K (c0861000 - c08cc000)
INIT: version 2.86 booting
Starting the hotplug events dispatcher udevd
[    5.296966] udevd (91): /proc/91/oom_adj is deprecated, please use /proc/91/oom_score_adj instead.
Synthesizing the initial hotplug events
[   19.016601] FAT-fs (mmcblk0p1): Volume was not properly unmounted. Some data may be corrupt. Please run fsck.
Remounting root file system...
mount: according to mtab, /proc is already mounted on /proc

WARNING: Couldn't open directory /lib/modules/3.19.0-rc4-118442-geaa27f3: No such file or directory
FATAL: Could not open /lib/modules/3.19.0-rc4-118442-geaa27f3/modules.dep.temp for writing: No such file or directory
root: mount: mount point /proc/bus/usb does not exist
Setting up IP spoofing protection: rp_filter.
Configuring network interfaces... modprobe: FATAL: Could not load /lib/modules/3.19.0-rc4-118442-geaa27f3/modules.dep: No such file or directory

modprobe: FATAL: Could not load /lib/modules/3.19.0-rc4-118442-geaa27f3/modules.dep: No such file or directory

ifconfig: SIOCGIFFLAGS: No such device
modprobe: FATAL: Could not load /lib/modules/3.19.0-rc4-118442-geaa27f3/modules.dep: No such file or directory

modprobe: FATAL: Could not load /lib/modules/3.19.0-rc4-118442-geaa27f3/modules.dep: No such file or directory

modprobe: FATAL: Could not load /lib/modules/3.19.0-rc4-118442-geaa27f3/modules.dep: No such file or directory

modprobe: FATAL: Could not load /lib/modules/3.19.0-rc4-118442-geaa27f3/modules.dep: No such file or directory

eth0      No such device

modprobe: FATAL: Could not load /lib/modules/3.19.0-rc4-118442-geaa27f3/modules.dep: No such file or directory

modprobe: FATAL: Could not load /lib/modules/3.19.0-rc4-118442-geaa27f3/modules.dep: No such file or directory

udhcpc: SIOCGIFINDEX: No such device
done.
Starting portmap daemon: portmap.
Tue Jul 22 00:18:00 UTC 2008
INIT: Entering runlevel: 5
ALSA: Restoring mixer settings...
[   27.511932] random: nonblocking pool is initialized
/usr/sbin/alsactl: load_state:1327: No soundcards found...
Starting Dropbear SSH server: modprobe: FATAL: Could not load /lib/modules/3.19.0-rc4-118442-geaa27f3/modules.dep: No such file or directory

modprobe: FATAL: Could not load /lib/modules/3.19.0-rc4-118442-geaa27f3/modules.dep: No such file or directory

dropbear.
Starting advanced power management daemon: No APM support in kernel
(failed.)
Starting system message bus: dbus.
Starting syslogd/klogd: start-stop-daemon: lseek: Invalid argument
 * Starting Avahi mDNS/DNS-SD Daemon: avahi-daemon
[ ok ]
Starting Bluetooth subsystem: hcidmodprobe: FATAL: Could not load /lib/modules/3.19.0-rc4-118442-geaa27f3/modules.dep: No such file or directory

 hid2hci.

.-------.                                           
|       |                  .-.                      
|   |   |-----.-----.-----.| |   .----..-----.-----.
|       |     | __  |  ---'| '--.|  .-'|     |     |
|   |   |  |  |     |---  ||  --'|  |  |  '  | | | |
'---'---'--'--'--.  |-----''----''--'  '-----'-'-'-'
                -'  |
                '---'

The Angstrom Distribution beagleboard ttyO2

Angstrom 2008.1-test-20080712 beagleboard ttyO2

beagleboard login: 
.-------.                                           
|       |                  .-.                      
|   |   |-----.-----.-----.| |   .----..-----.-----.
|       |     | __  |  ---'| '--.|  .-'|     |     |
|   |   |  |  |     |---  ||  --'|  |  |  '  | | | |
'---'---'--'--'--.  |-----''----''--'  '-----'-'-'-'
                -'  |
                '---'

The Angstrom Distribution beagleboard ttyO2

Angstrom 2008.1-test-20080712 beagleboard ttyO2

beagleboard login: 
.-------.                                           
|       |                  .-.                      
|   |   |-----.-----.-----.| |   .----..-----.-----.
|       |     | __  |  ---'| '--.|  .-'|     |     |
|   |   |  |  |     |---  ||  --'|  |  |  '  | | | |
'---'---'--'--'--.  |-----''----''--'  '-----'-'-'-'
                -'  |
                '---'

The Angstrom Distribution beagleboard ttyO2

Angstrom 2008.1-test-20080712 beagleboard ttyO2

beagleboard login: root
login[1413]: root login  on `ttyO2'

root@beagleboard:~# 
root@beagleboard:~# %% Start PM consolidated quick test


%% Preparation


root@beagleboard:~# 
root@beagleboard:~# mkdir -p /sys; mount -t sysfs none /sys
mount: none already mounted or /sys busy
mount: according to mtab, sysfs is already mounted on /sys
root@beagleboard:~# 
root@beagleboard:~# mkdir -p /debug; mount -t debugfs none /debug
mount: none already mounted or /debug busy
mount: according to mtab, debugfs is already mounted on /debug
root@beagleboard:~# 
root@beagleboard:~# 
root@beagleboard:~# 
root@beagleboard:~# for u in `ls -1d /sys/bus/platform/drivers/omap_uart/*.seria l | paste -s -d' '`; do echo -1 >  $u/power/autosuspend_delay_ms; done
root@beagleboard:~# 
root@beagleboard:~# for u in `ls -1d /sys/bus/platform/drivers/omap_uart/*.seria l | paste -s -d' '`; do ls -l  $u/power/autosuspend_delay_ms; cat $u/power/autos uspend_delay_ms; done
-rw-r--r--    1 root     root         4096 Jul 22 00:18 /sys/bus/platform/drivers/omap_uart/4806a000.serial/power/autosuspend_delay_ms
-1
-rw-r--r--    1 root     root         4096 Jul 22 00:18 /sys/bus/platform/drivers/omap_uart/4806c000.serial/power/autosuspend_delay_ms
-1
-rw-r--r--    1 root     root         4096 Jul 22 00:18 /sys/bus/platform/drivers/omap_uart/49020000.serial/power/autosuspend_delay_ms
-1
root@beagleboard:~# 
root@beagleboard:~# echo 0 > /debug/pm_debug/enable_off_mode
root@beagleboard:~# 
root@beagleboard:~# 
%% Baseline pm_debug count dump

cat /debug/pm_debug/count
usbhost_pwrdm (ON),OFF:0,RET:1066,INA:0,ON:1067,RET-LOGIC-OFF:0,RET-MEMBANK1-OFF:0
sgx_pwrdm (OFF),OFF:1,RET:0,INA:0,ON:1,RET-LOGIC-OFF:0,RET-MEMBANK1-OFF:0
core_pwrdm (ON),OFF:0,RET:0,INA:0,ON:1,RET-LOGIC-OFF:0,RET-MEMBANK1-OFF:0,RET-MEMBANK2-OFF:0
per_pwrdm (ON),OFF:0,RET:0,INA:0,ON:1,RET-LOGIC-OFF:0,RET-MEMBANK1-OFF:0
dss_pwrdm (ON),OFF:0,RET:1066,INA:0,ON:1067,RET-LOGIC-OFF:0,RET-MEMBANK1-OFF:0
cam_pwrdm (RET),OFF:0,RET:1,INA:0,ON:1,RET-LOGIC-OFF:0,RET-MEMBANK1-OFF:0
neon_pwrdm (ON),OFF:0,RET:577,INA:489,ON:1067,RET-LOGIC-OFF:0
mpu_pwrdm (ON),OFF:0,RET:577,INA:489,ON:1067,RET-LOGIC-OFF:0,RET-MEMBANK1-OFF:0
iva2_pwrdm (RET),OFF:0,RET:1,INA:0,ON:1,RET-LOGIC-OFF:0,RET-MEMBANK1-OFF:0,RET-MEMBANK2-OFF:0,RET-MEMBANK3-OFF:0,RET-MEMBANK4-OFF:0
usbhost_clkdm->usbhost_pwrdm (1)
sgx_clkdm->sgx_pwrdm (0)
per_clkdm->per_pwrdm (12)
cam_clkdm->cam_pwrdm (0)
dss_clkdm->dss_pwrdm (1)
d2d_clkdm->core_pwrdm (0)
iva2_clkdm->iva2_pwrdm (0)
mpu_clkdm->mpu_pwrdm (0)
core_l4_clkdm->core_pwrdm (22)
core_l3_clkdm->core_pwrdm (1)
neon_clkdm->neon_pwrdm (0)
root@beagleboard:~# 
root@beagleboard:~# for u in `ls -1d /sys/class/tty/ttyO* | paste -s -d' '`; do  echo enabled >  $u/power/wakeup; done
root@beagleboard:~#
%% Start retention double suspend/resume UART wakeup test

 
root@beagleboard:~# for u in `ls -1d /sys/class/tty/ttyO* | paste -s -d' '`; do  echo auto >  $u/power/control; done
root@beagleboard:~# 
root@beagleboard:~# for u in `ls -1d /sys/class/tty/ttyO* | paste -s -d' '`; do  ls -l $u/power/wakeup; cat $u/power/wakeup; done
-rw-r--r--    1 root     root         4096 Jul 22 00:18 /sys/class/tty/ttyO0/power/wakeup
enabled
-rw-r--r--    1 root     root         4096 Jul 22 00:18 /sys/class/tty/ttyO1/power/wakeup
enabled
-rw-r--r--    1 root     root         4096 Jul 22 00:18 /sys/class/tty/ttyO2/power/wakeup
for u in `ls -1d /sys/class/tty/ttyO* | paste -s -d' '`; do ls -l $u/power/control; cat $u/power/control; done

enabled
root@beagleboard:~# 
root@beagleboard:~# for u in `ls -1d /sys/class/tty/ttyO* | paste -s -d' '`; do  ls -l $u/power/control; cat $u/power/control; done
-rw-r--r--    1 root     root         4096 Jul 22 00:18 /sys/class/tty/ttyO0/power/control
auto
-rw-r--r--    1 root     root         4096 Jul 22 00:18 /sys/class/tty/ttyO1/power/control
echo mem > /sys/power/state

auto
-rw-r--r--    1 root     root         4096 Jul 22 00:18 /sys/class/tty/ttyO2/power/control
auto
root@beagleboard:~# 
root@beagleboard:~# echo mem > /sys/power/state
[   39.166198] PM: Syncing filesystems ... done.
[   39.723419] Freezing user space processes ... (elapsed 0.003 seconds) done.
[   39.731567] Freezing remaining freezable tasks ... (elapsed 0.003 seconds) done.
[   39.739624] Suspending console(s) (use no_console_suspend to debug)
[   39.782684] PM: suspend of devices complete after 31.127 msecs
[   39.793365] PM: late suspend of devices complete after 10.650 msecs
[   39.805175] PM: noirq suspend of devices complete after 11.779 msecs
[   39.805328] Disabling non-boot CPUs ...
[   39.805358] Successfully put all powerdomains to target state
[   39.812011] PM: noirq resume of devices complete after 6.530 msecs
[   39.812255] In-band Error seen by MPU  at address 0
[   39.812255] ------------[ cut here ]------------
[   39.812316] WARNING: CPU: 0 PID: 1467 at drivers/bus/omap_l3_smx.c:166 omap3_l3_app_irq+0xcc/0x124()
[   39.812316] Modules linked in:
[   39.812347] CPU: 0 PID: 1467 Comm: echo Not tainted 3.19.0-rc4-118442-geaa27f3 #1
[   39.812347] Hardware name: Generic OMAP3-GP (Flattened Device Tree)
[   39.812408] [<c0015514>] (unwind_backtrace) from [<c0011bec>] (show_stack+0x10/0x14)
[   39.812438] [<c0011bec>] (show_stack) from [<c05d533c>] (dump_stack+0x80/0x9c)
[   39.812469] [<c05d533c>] (dump_stack) from [<c003e184>] (warn_slowpath_common+0x78/0xb4)
[   39.812499] [<c003e184>] (warn_slowpath_common) from [<c003e1dc>] (warn_slowpath_null+0x1c/0x24)
[   39.812499] [<c003e1dc>] (warn_slowpath_null) from [<c033aee0>] (omap3_l3_app_irq+0xcc/0x124)
[   39.812530] [<c033aee0>] (omap3_l3_app_irq) from [<c008d33c>] (handle_irq_event_percpu+0x60/0x1f4)
[   39.812561] [<c008d33c>] (handle_irq_event_percpu) from [<c008d50c>] (handle_irq_event+0x3c/0x5c)
[   39.812591] [<c008d50c>] (handle_irq_event) from [<c00901e4>] (handle_level_irq+0xb4/0x13c)
[   39.812622] [<c00901e4>] (handle_level_irq) from [<c008cbe4>] (generic_handle_irq+0x20/0x30)
[   39.812622] [<c008cbe4>] (generic_handle_irq) from [<c008ccfc>] (__handle_domain_irq+0x68/0xdc)
[   39.812652] [<c008ccfc>] (__handle_domain_irq) from [<c00086e4>] (omap_intc_handle_irq+0xb4/0xc4)
[   39.812683] [<c00086e4>] (omap_intc_handle_irq) from [<c05dbb64>] (__irq_svc+0x44/0x5c)
[   39.812683] Exception stack(0xce593dd0 to 0xce593e18)
[   39.812713] 3dc0:                                     00000001 cd0833a8 00000000 cd082dc0
[   39.812713] 3de0: 60000013 ce152860 ce152860 c0921a98 00000000 c0945464 60000013 c09216b0
[   39.812744] 3e00: c0abe8d8 ce593e18 c0083728 c05db6bc 20000013 ffffffff
[   39.812774] [<c05dbb64>] (__irq_svc) from [<c05db6bc>] (_raw_spin_unlock_irqrestore+0x34/0x44)
[   39.812805] [<c05db6bc>] (_raw_spin_unlock_irqrestore) from [<c0093e14>] (resume_irqs+0x84/0xdc)
[   39.812835] [<c0093e14>] (resume_irqs) from [<c03ae8a4>] (dpm_resume_noirq+0x210/0x2d4)
[   39.812866] [<c03ae8a4>] (dpm_resume_noirq) from [<c0088828>] (suspend_devices_and_enter+0x324/0x600)
[   39.812896] [<c0088828>] (suspend_devices_and_enter) from [<c0088f00>] (pm_suspend+0x3fc/0x470)
[   39.812927] [<c0088f00>] (pm_suspend) from [<c0087500>] (state_store+0x68/0xb8)
[   39.812957] [<c0087500>] (state_store) from [<c0316a74>] (kobj_attr_store+0x14/0x20)
[   39.812988] [<c0316a74>] (kobj_attr_store) from [<c01b1ebc>] (sysfs_kf_write+0x4c/0x50)
[   39.813018] [<c01b1ebc>] (sysfs_kf_write) from [<c01b1294>] (kernfs_fop_write+0xf0/0x19c)
[   39.813049] [<c01b1294>] (kernfs_fop_write) from [<c0149adc>] (vfs_write+0xa4/0x1ac)
[   39.813079] [<c0149adc>] (vfs_write) from [<c0149e00>] (SyS_write+0x40/0x8c)
[   39.813079] [<c0149e00>] (SyS_write) from [<c000e820>] (ret_fast_syscall+0x0/0x48)
[   39.813110] ---[ end trace 1e6b235072bbf550 ]---
[   39.821624] PM: early resume of devices complete after 7.263 msecs
[   39.998596] PM: resume of devices complete after 176.727 msecs
[   40.179138] Restarting tasks ... done.
root@beagleboard:~# 
root@beagleboard:~# 
root@beagleboard:~# 
root@beagleboard:~# cat /debug/pm_debug/count
usbhost_pwrdm (ON),OFF:0,RET:1218,INA:0,ON:1219,RET-LOGIC-OFF:0,RET-MEMBANK1-OFF:0
sgx_pwrdm (OFF),OFF:1,RET:0,INA:0,ON:1,RET-LOGIC-OFF:0,RET-MEMBANK1-OFF:0
core_pwrdm (ON),OFF:0,RET:1,INA:0,ON:2,RET-LOGIC-OFF:0,RET-MEMBANK1-OFF:0,RET-MEMBANK2-OFF:0
per_pwrdm (ON),OFF:0,RET:1,INA:0,ON:2,RET-LOGIC-OFF:0,RET-MEMBANK1-OFF:0
dss_pwrdm (ON),OFF:0,RET:1218,INA:0,ON:1219,RET-LOGIC-OFF:0,RET-MEMBANK1-OFF:0
cam_pwrdm (RET),OFF:0,RET:1,INA:0,ON:1,RET-LOGIC-OFF:0,RET-MEMBANK1-OFF:0
neon_pwrdm (ON),OFF:0,RET:719,INA:499,ON:1219,RET-LOGIC-OFF:0
mpu_pwrdm (ON),OFF:0,RET:719,INA:499,ON:1219,RET-LOGIC-OFF:0,RET-MEMBANK1-OFF:0
iva2_pwrdm (RET),OFF:0,RET:1,INA:0,ON:1,RET-LOGIC-OFF:0,RET-MEMBANK1-OFF:0,RET-MEMBANK2-OFF:0,RET-MEMBANK3-OFF:0,RET-MEMBANK4-OFF:0
usbhost_clkdm->usbhost_pwrdm (1)
sgx_clkdm->sgx_pwrdm (0)
per_clkdm->per_pwrdm (12)
cam_clkdm->cam_pwrdm (0)
dss_clkdm->dss_pwrdm (1)
d2d_clkdm->core_pwrdm (0)
iva2_clkdm->iva2_pwrdm (0)
mpu_clkdm->mpu_pwrdm (0)
core_l4_clkdm->core_pwrdm (27)
core_l3_clkdm->core_pwrdm (1)
neon_clkdm->neon_pwrdm (0)
root@beagleboard:~# 
root@beagleboard:~# 
root@beagleboard:~# 
root@beagleboard:~# echo mem > /sys/power/state
[   43.023773] PM: Syncing filesystems ... done.
[   43.753356] Freezing user space processes ... (elapsed 0.002 seconds) done.
[   43.759521] Freezing remaining freezable tasks ... (elapsed 0.002 seconds) done.
[   43.766082] Suspending console(s) (use no_console_suspend to debug)
[   43.797393] PM: suspend of devices complete after 19.531 msecs
[   43.808441] PM: late suspend of devices complete after 11.016 msecs
[   43.819671] PM: noirq suspend of devices complete after 11.199 msecs
[   43.819671] Disabling non-boot CPUs ...
[   43.819702] Successfully put all powerdomains to target state
[   43.826446] PM: noirq resume of devices complete after 6.652 msecs
[   43.826599] In-band Error seen by MPU  at address 0
[   43.826629] ------------[ cut here ]------------
[   43.826660] WARNING: CPU: 0 PID: 1471 at drivers/bus/omap_l3_smx.c:166 omap3_l3_app_irq+0xcc/0x124()
[   43.826660] Modules linked in:
[   43.826690] CPU: 0 PID: 1471 Comm: echo Tainted: G        W      3.19.0-rc4-118442-geaa27f3 #1
[   43.826721] Hardware name: Generic OMAP3-GP (Flattened Device Tree)
[   43.826751] [<c0015514>] (unwind_backtrace) from [<c0011bec>] (show_stack+0x10/0x14)
[   43.826782] [<c0011bec>] (show_stack) from [<c05d533c>] (dump_stack+0x80/0x9c)
[   43.826812] [<c05d533c>] (dump_stack) from [<c003e184>] (warn_slowpath_common+0x78/0xb4)
[   43.826843] [<c003e184>] (warn_slowpath_common) from [<c003e1dc>] (warn_slowpath_null+0x1c/0x24)
[   43.826873] [<c003e1dc>] (warn_slowpath_null) from [<c033aee0>] (omap3_l3_app_irq+0xcc/0x124)
[   43.826904] [<c033aee0>] (omap3_l3_app_irq) from [<c008d33c>] (handle_irq_event_percpu+0x60/0x1f4)
[   43.826904] [<c008d33c>] (handle_irq_event_percpu) from [<c008d50c>] (handle_irq_event+0x3c/0x5c)
[   43.826934] [<c008d50c>] (handle_irq_event) from [<c00901e4>] (handle_level_irq+0xb4/0x13c)
[   43.826965] [<c00901e4>] (handle_level_irq) from [<c008cbe4>] (generic_handle_irq+0x20/0x30)
[   43.826995] [<c008cbe4>] (generic_handle_irq) from [<c008ccfc>] (__handle_domain_irq+0x68/0xdc)
[   43.826995] [<c008ccfc>] (__handle_domain_irq) from [<c00086e4>] (omap_intc_handle_irq+0xb4/0xc4)
[   43.827026] [<c00086e4>] (omap_intc_handle_irq) from [<c05dbb64>] (__irq_svc+0x44/0x5c)
[   43.827056] Exception stack(0xce5d7dd0 to 0xce5d7e18)
[   43.827056] 7dc0:                                     00000001 ce7c51a8 00000000 ce7c4bc0
[   43.827087] 7de0: 60000013 ce152860 ce152860 c0921a98 00000000 c0945464 60000013 c09216b0
[   43.827087] 7e00: c0abe8d8 ce5d7e18 c0083728 c05db6bc 20000013 ffffffff
[   43.827117] [<c05dbb64>] (__irq_svc) from [<c05db6bc>] (_raw_spin_unlock_irqrestore+0x34/0x44)
[   43.827148] [<c05db6bc>] (_raw_spin_unlock_irqrestore) from [<c0093e14>] (resume_irqs+0x84/0xdc)
[   43.827178] [<c0093e14>] (resume_irqs) from [<c03ae8a4>] (dpm_resume_noirq+0x210/0x2d4)
[   43.827239] [<c03ae8a4>] (dpm_resume_noirq) from [<c0088828>] (suspend_devices_and_enter+0x324/0x600)
[   43.827270] [<c0088828>] (suspend_devices_and_enter) from [<c0088f00>] (pm_suspend+0x3fc/0x470)
[   43.827270] [<c0088f00>] (pm_suspend) from [<c0087500>] (state_store+0x68/0xb8)
[   43.827301] [<c0087500>] (state_store) from [<c0316a74>] (kobj_attr_store+0x14/0x20)
[   43.827331] [<c0316a74>] (kobj_attr_store) from [<c01b1ebc>] (sysfs_kf_write+0x4c/0x50)
[   43.827362] [<c01b1ebc>] (sysfs_kf_write) from [<c01b1294>] (kernfs_fop_write+0xf0/0x19c)
[   43.827392] [<c01b1294>] (kernfs_fop_write) from [<c0149adc>] (vfs_write+0xa4/0x1ac)
[   43.827423] [<c0149adc>] (vfs_write) from [<c0149e00>] (SyS_write+0x40/0x8c)
[   43.827453] [<c0149e00>] (SyS_write) from [<c000e820>] (ret_fast_syscall+0x0/0x48)
[   43.827453] ---[ end trace 1e6b235072bbf551 ]---
[   43.836303] PM: early resume of devices complete after 7.537 msecs
[   44.008392] PM: resume of devices complete after 171.966 msecs
[   44.188537] Restarting tasks ... done.
root@beagleboard:~# 
root@beagleboard:~# 
root@beagleboard:~# 
root@beagleboard:~# cat /debug/pm_debug/count
usbhost_pwrdm (ON),OFF:0,RET:1360,INA:0,ON:1361,RET-LOGIC-OFF:0,RET-MEMBANK1-OFF:0
sgx_pwrdm (OFF),OFF:1,RET:0,INA:0,ON:1,RET-LOGIC-OFF:0,RET-MEMBANK1-OFF:0
core_pwrdm (ON),OFF:0,RET:2,INA:0,ON:3,RET-LOGIC-OFF:0,RET-MEMBANK1-OFF:0,RET-MEMBANK2-OFF:0
per_pwrdm (ON),OFF:0,RET:2,INA:0,ON:3,RET-LOGIC-OFF:0,RET-MEMBANK1-OFF:0
dss_pwrdm (ON),OFF:0,RET:1360,INA:0,ON:1361,RET-LOGIC-OFF:0,RET-MEMBANK1-OFF:0
cam_pwrdm (RET),OFF:0,RET:1,INA:0,ON:1,RET-LOGIC-OFF:0,RET-MEMBANK1-OFF:0
neon_pwrdm (ON),OFF:0,RET:856,INA:504,ON:1361,RET-LOGIC-OFF:0
mpu_pwrdm (ON),OFF:0,RET:856,INA:504,ON:1361,RET-LOGIC-OFF:0,RET-MEMBANK1-OFF:0
iva2_pwrdm (RET),OFF:0,RET:1,INA:0,ON:1,RET-LOGIC-OFF:0,RET-MEMBANK1-OFF:0,RET-MEMBANK2-OFF:0,RET-MEMBANK3-OFF:0,RET-MEMBANK4-OFF:0
usbhost_clkdm->usbhost_pwrdm (1)
sgx_clkdm->sgx_pwrdm (0)
per_clkdm->per_pwrdm (12)
cam_clkdm->cam_pwrdm (0)
dss_clkdm->dss_pwrdm (1)
d2d_clkdm->core_pwrdm (0)
iva2_clkdm->iva2_pwrdm (0)
mpu_clkdm->mpu_pwrdm (0)
core_l4_clkdm->core_pwrdm (27)
core_l3_clkdm->core_pwrdm (1)
neon_clkdm->neon_pwrdm (0)
root@beagleboard:~# 
root@beagleboard:~# 
root@beagleboard:~# 
root@beagleboard:~# ./test_rootfs_access_nonexistent_file__ret_susp
-sh: ./test_rootfs_access_nonexistent_file__ret_susp: not found
root@beagleboard:~# 
root@beagleboard:~# 
%% End retention double suspend/resume UART wakeup test


%% Start retention dynamic idle UART wakeup test

for u in `ls -1d /sys/bus/platform/drivers/omap_uart/*.seria l | paste -s -d' '`; do echo 3000 >  $u/power/autosuspend_delay_ms; done
root@beagleboard:~# 
root@beagleboard:~# for u in `ls -1d /sys/bus/platform/drivers/omap_uart/*.seria l | paste -s -d' '`; do ls -l  $u/power/autosuspend_delay_ms; cat $u/power/autos uspend_delay_ms; done
-rw-r--r--    1 root     root         4096 Jul 22 00:18 /sys/bus/platform/drivers/omap_uart/4806a000.serial/power/autosuspend_delay_ms
3000
-rw-r--r--    1 root     root         4096 Jul 22 00:18 /sys/bus/platform/drivers/omap_uart/4806c000.serial/power/autosuspend_delay_ms
3000
-rw-r--r--    1 root     root         4096 Jul 22 00:18 /sys/bus/platform/drivers/omap_uart/49020000.serial/power/autosuspend_delay_ms
3000
root@beagleboard:~# 
root@beagleboard:~# 
root@beagleboard:~# 
root@beagleboard:~# cat /debug/pm_debug/count
usbhost_pwrdm (ON),OFF:0,RET:1645,INA:0,ON:1646,RET-LOGIC-OFF:0,RET-MEMBANK1-OFF:0
sgx_pwrdm (OFF),OFF:1,RET:0,INA:0,ON:1,RET-LOGIC-OFF:0,RET-MEMBANK1-OFF:0
core_pwrdm (ON),OFF:0,RET:33,INA:8,ON:42,RET-LOGIC-OFF:0,RET-MEMBANK1-OFF:0,RET-MEMBANK2-OFF:0
per_pwrdm (ON),OFF:0,RET:41,INA:0,ON:42,RET-LOGIC-OFF:0,RET-MEMBANK1-OFF:0
dss_pwrdm (ON),OFF:0,RET:1645,INA:0,ON:1646,RET-LOGIC-OFF:0,RET-MEMBANK1-OFF:0
cam_pwrdm (RET),OFF:0,RET:1,INA:0,ON:1,RET-LOGIC-OFF:0,RET-MEMBANK1-OFF:0
neon_pwrdm (ON),OFF:0,RET:1123,INA:522,ON:1646,RET-LOGIC-OFF:0
mpu_pwrdm (ON),OFF:0,RET:1123,INA:522,ON:1646,RET-LOGIC-OFF:0,RET-MEMBANK1-OFF:0
iva2_pwrdm (RET),OFF:0,RET:1,INA:0,ON:1,RET-LOGIC-OFF:0,RET-MEMBANK1-OFF:0,RET-MEMBANK2-OFF:0,RET-MEMBANK3-OFF:0,RET-MEMBANK4-OFF:0
usbhost_clkdm->usbhost_pwrdm (1)
sgx_clkdm->sgx_pwrdm (0)
per_clkdm->per_pwrdm (12)
cam_clkdm->cam_pwrdm (0)
dss_clkdm->dss_pwrdm (1)
d2d_clkdm->core_pwrdm (0)
iva2_clkdm->iva2_pwrdm (0)
mpu_clkdm->mpu_pwrdm (0)
core_l4_clkdm->core_pwrdm (20)
core_l3_clkdm->core_pwrdm (1)
neon_clkdm->neon_pwrdm (0)
root@beagleboard:~# 
root@beagleboard:~# 
root@beagleboard:~# 
root@beagleboard:~# ./test_rootfs_access_nonexistent_file__ret_dyn
-sh: ./test_rootfs_access_nonexistent_file__ret_dyn: not found
root@beagleboard:~# 
root@beagleboard:~# for u in `ls -1d /sys/bus/platform/drivers/omap_uart/*.seria l | paste -s -d' '`; do echo -1 >  $u/power/autosuspend_delay_ms; done
root@beagleboard:~# 
root@beagleboard:~# for u in `ls -1d /sys/bus/platform/drivers/omap_uart/*.seria l | paste -s -d' '`; do ls -l  $u/power/autosuspend_delay_ms; cat $u/power/autos uspend_delay_ms; done
-rw-r--r--    1 root     root         4096 Jul 22 00:18 /sys/bus/platform/drivers/omap_uart/4806a000.serial/power/autosuspend_delay_ms
-1
-rw-r--r--    1 root     root         4096 Jul 22 00:18 /sys/bus/platform/drivers/omap_uart/4806c000.serial/power/autosuspend_delay_ms
-1
-rw-r--r--    1 root     root         4096 Jul 22 00:18 /sys/bus/platform/drivers/omap_uart/49020000.serial/power/autosuspend_delay_ms
-1
root@beagleboard:~# 
root@beagleboard:~# 
%% End retention dynamic idle UART wakeup test


%% Start off-mode double suspend UART wakeup test

echo 1 > /debug/pm_debug/enable_off_mode
root@beagleboard:~# 
root@beagleboard:~# echo mem > /sys/power/state
[   64.842254] PM: Syncing filesystems ... done.
[   65.229583] Freezing user space processes ... (elapsed 0.002 seconds) done.
[   65.235687] Freezing remaining freezable tasks ... (elapsed 0.002 seconds) done.
[   65.242126] Suspending console(s) (use no_console_suspend to debug)
[   65.272613] PM: suspend of devices complete after 18.920 msecs
[   65.283203] PM: late suspend of devices complete after 10.589 msecs
[   65.294158] PM: noirq suspend of devices complete after 10.894 msecs
[   65.294189] Disabling non-boot CPUs ...
[   65.294219] Successfully put all powerdomains to target state
[   65.314453] PM: noirq resume of devices complete after 20.141 msecs
[   65.314727] In-band Error seen by MPU  at address 0
[   65.314727] ------------[ cut here ]------------
[   65.314788] WARNING: CPU: 0 PID: 1508 at drivers/bus/omap_l3_smx.c:166 omap3_l3_app_irq+0xcc/0x124()
[   65.314788] Modules linked in:
[   65.314819] CPU: 0 PID: 1508 Comm: echo Tainted: G        W      3.19.0-rc4-118442-geaa27f3 #1
[   65.314819] Hardware name: Generic OMAP3-GP (Flattened Device Tree)
[   65.314880] [<c0015514>] (unwind_backtrace) from [<c0011bec>] (show_stack+0x10/0x14)
[   65.314910] [<c0011bec>] (show_stack) from [<c05d533c>] (dump_stack+0x80/0x9c)
[   65.314941] [<c05d533c>] (dump_stack) from [<c003e184>] (warn_slowpath_common+0x78/0xb4)
[   65.314971] [<c003e184>] (warn_slowpath_common) from [<c003e1dc>] (warn_slowpath_null+0x1c/0x24)
[   65.314971] [<c003e1dc>] (warn_slowpath_null) from [<c033aee0>] (omap3_l3_app_irq+0xcc/0x124)
[   65.315002] [<c033aee0>] (omap3_l3_app_irq) from [<c008d33c>] (handle_irq_event_percpu+0x60/0x1f4)
[   65.315032] [<c008d33c>] (handle_irq_event_percpu) from [<c008d50c>] (handle_irq_event+0x3c/0x5c)
[   65.315063] [<c008d50c>] (handle_irq_event) from [<c00901e4>] (handle_level_irq+0xb4/0x13c)
[   65.315093] [<c00901e4>] (handle_level_irq) from [<c008cbe4>] (generic_handle_irq+0x20/0x30)
[   65.315093] [<c008cbe4>] (generic_handle_irq) from [<c008ccfc>] (__handle_domain_irq+0x68/0xdc)
[   65.315124] [<c008ccfc>] (__handle_domain_irq) from [<c00086e4>] (omap_intc_handle_irq+0xb4/0xc4)
[   65.315155] [<c00086e4>] (omap_intc_handle_irq) from [<c05dbb64>] (__irq_svc+0x44/0x5c)
[   65.315155] Exception stack(0xce57ddd0 to 0xce57de18)
[   65.315185] ddc0:                                     00000001 ce6418a8 00000000 ce6412c0
[   65.315216] dde0: 60000153 ce152860 ce152860 c0921a98 00000000 c0945464 60000153 c09216b0
[   65.315216] de00: c0abe8d8 ce57de18 c0083728 c05db6bc 20000153 ffffffff
[   65.315246] [<c05dbb64>] (__irq_svc) from [<c05db6bc>] (_raw_spin_unlock_irqrestore+0x34/0x44)
[   65.315277] [<c05db6bc>] (_raw_spin_unlock_irqrestore) from [<c0093e14>] (resume_irqs+0x84/0xdc)
[   65.315307] [<c0093e14>] (resume_irqs) from [<c03ae8a4>] (dpm_resume_noirq+0x210/0x2d4)
[   65.315338] [<c03ae8a4>] (dpm_resume_noirq) from [<c0088828>] (suspend_devices_and_enter+0x324/0x600)
[   65.315368] [<c0088828>] (suspend_devices_and_enter) from [<c0088f00>] (pm_suspend+0x3fc/0x470)
[   65.315399] [<c0088f00>] (pm_suspend) from [<c0087500>] (state_store+0x68/0xb8)
[   65.315429] [<c0087500>] (state_store) from [<c0316a74>] (kobj_attr_store+0x14/0x20)
[   65.315460] [<c0316a74>] (kobj_attr_store) from [<c01b1ebc>] (sysfs_kf_write+0x4c/0x50)
[   65.315490] [<c01b1ebc>] (sysfs_kf_write) from [<c01b1294>] (kernfs_fop_write+0xf0/0x19c)
[   65.315521] [<c01b1294>] (kernfs_fop_write) from [<c0149adc>] (vfs_write+0xa4/0x1ac)
[   65.315551] [<c0149adc>] (vfs_write) from [<c0149e00>] (SyS_write+0x40/0x8c)
[   65.315551] [<c0149e00>] (SyS_write) from [<c000e820>] (ret_fast_syscall+0x0/0x48)
[   65.315582] ---[ end trace 1e6b235072bbf552 ]---
[   65.323913] PM: early resume of devices complete after 7.080 msecs
[   65.497528] PM: resume of devices complete after 173.461 msecs
[   65.677337] Restarting tasks ... done.
root@beagleboard:~# 
root@beagleboard:~# 
root@beagleboard:~# 
root@beagleboard:~# cat /debug/pm_debug/count
usbhost_pwrdm (ON),OFF:65,RET:1771,INA:0,ON:1837,RET-LOGIC-OFF:0,RET-MEMBANK1-OFF:0
sgx_pwrdm (OFF),OFF:1,RET:0,INA:0,ON:1,RET-LOGIC-OFF:0,RET-MEMBANK1-OFF:0
core_pwrdm (ON),OFF:1,RET:33,INA:8,ON:43,RET-LOGIC-OFF:0,RET-MEMBANK1-OFF:0,RET-MEMBANK2-OFF:0
per_pwrdm (ON),OFF:1,RET:41,INA:0,ON:43,RET-LOGIC-OFF:0,RET-MEMBANK1-OFF:0
dss_pwrdm (ON),OFF:65,RET:1771,INA:0,ON:1837,RET-LOGIC-OFF:0,RET-MEMBANK1-OFF:0
cam_pwrdm (OFF),OFF:1,RET:1,INA:0,ON:2,RET-LOGIC-OFF:0,RET-MEMBANK1-OFF:0
neon_pwrdm (ON),OFF:1,RET:1294,INA:541,ON:1837,RET-LOGIC-OFF:0
mpu_pwrdm (ON),OFF:1,RET:1294,INA:541,ON:1837,RET-LOGIC-OFF:0,RET-MEMBANK1-OFF:0
iva2_pwrdm (OFF),OFF:1,RET:1,INA:0,ON:2,RET-LOGIC-OFF:0,RET-MEMBANK1-OFF:0,RET-MEMBANK2-OFF:0,RET-MEMBANK3-OFF:0,RET-MEMBANK4-OFF:0
usbhost_clkdm->usbhost_pwrdm (1)
sgx_clkdm->sgx_pwrdm (0)
per_clkdm->per_pwrdm (12)
cam_clkdm->cam_pwrdm (0)
dss_clkdm->dss_pwrdm (1)
d2d_clkdm->core_pwrdm (0)
iva2_clkdm->iva2_pwrdm (0)
mpu_clkdm->mpu_pwrdm (0)
core_l4_clkdm->core_pwrdm (27)
core_l3_clkdm->core_pwrdm (1)
neon_clkdm->neon_pwrdm (0)
root@beagleboard:~# 
root@beagleboard:~# 
root@beagleboard:~# 
root@beagleboard:~# echo mem > /sys/power/state
[   68.510223] PM: Syncing filesystems ... done.
[   69.238311] Freezing user space processes ... (elapsed 0.002 seconds) done.
[   69.244323] Freezing remaining freezable tasks ... (elapsed 0.002 seconds) done.
[   69.250854] Suspending console(s) (use no_console_suspend to debug)
[   69.281280] PM: suspend of devices complete after 18.829 msecs
[   69.291992] PM: late suspend of devices complete after 10.650 msecs
[   69.302947] PM: noirq suspend of devices complete after 10.925 msecs
[   69.302978] Disabling non-boot CPUs ...
[   69.302978] Successfully put all powerdomains to target state
[   69.323089] PM: noirq resume of devices complete after 20.019 msecs
[   69.323272] In-band Error seen by MPU  at address 0
[   69.323272] ------------[ cut here ]------------
[   69.323333] WARNING: CPU: 0 PID: 1510 at drivers/bus/omap_l3_smx.c:166 omap3_l3_app_irq+0xcc/0x124()
[   69.323333] Modules linked in:
[   69.323364] CPU: 0 PID: 1510 Comm: echo Tainted: G        W      3.19.0-rc4-118442-geaa27f3 #1
[   69.323364] Hardware name: Generic OMAP3-GP (Flattened Device Tree)
[   69.323425] [<c0015514>] (unwind_backtrace) from [<c0011bec>] (show_stack+0x10/0x14)
[   69.323455] [<c0011bec>] (show_stack) from [<c05d533c>] (dump_stack+0x80/0x9c)
[   69.323486] [<c05d533c>] (dump_stack) from [<c003e184>] (warn_slowpath_common+0x78/0xb4)
[   69.323516] [<c003e184>] (warn_slowpath_common) from [<c003e1dc>] (warn_slowpath_null+0x1c/0x24)
[   69.323547] [<c003e1dc>] (warn_slowpath_null) from [<c033aee0>] (omap3_l3_app_irq+0xcc/0x124)
[   69.323577] [<c033aee0>] (omap3_l3_app_irq) from [<c008d33c>] (handle_irq_event_percpu+0x60/0x1f4)
[   69.323577] [<c008d33c>] (handle_irq_event_percpu) from [<c008d50c>] (handle_irq_event+0x3c/0x5c)
[   69.323608] [<c008d50c>] (handle_irq_event) from [<c00901e4>] (handle_level_irq+0xb4/0x13c)
[   69.323638] [<c00901e4>] (handle_level_irq) from [<c008cbe4>] (generic_handle_irq+0x20/0x30)
[   69.323669] [<c008cbe4>] (generic_handle_irq) from [<c008ccfc>] (__handle_domain_irq+0x68/0xdc)
[   69.323669] [<c008ccfc>] (__handle_domain_irq) from [<c00086e4>] (omap_intc_handle_irq+0xb4/0xc4)
[   69.323699] [<c00086e4>] (omap_intc_handle_irq) from [<c05dbb64>] (__irq_svc+0x44/0x5c)
[   69.323699] Exception stack(0xce57ddd0 to 0xce57de18)
[   69.323730] ddc0:                                     00000001 ce6418a8 00000000 ce6412c0
[   69.323760] dde0: 60000153 ce152860 ce152860 c0921a98 00000000 c0945464 60000153 c09216b0
[   69.323760] de00: c0abe8d8 ce57de18 c0083728 c05db6bc 20000153 ffffffff
[   69.323791] [<c05dbb64>] (__irq_svc) from [<c05db6bc>] (_raw_spin_unlock_irqrestore+0x34/0x44)
[   69.323822] [<c05db6bc>] (_raw_spin_unlock_irqrestore) from [<c0093e14>] (resume_irqs+0x84/0xdc)
[   69.323852] [<c0093e14>] (resume_irqs) from [<c03ae8a4>] (dpm_resume_noirq+0x210/0x2d4)
[   69.323913] [<c03ae8a4>] (dpm_resume_noirq) from [<c0088828>] (suspend_devices_and_enter+0x324/0x600)
[   69.323913] [<c0088828>] (suspend_devices_and_enter) from [<c0088f00>] (pm_suspend+0x3fc/0x470)
[   69.323944] [<c0088f00>] (pm_suspend) from [<c0087500>] (state_store+0x68/0xb8)
[   69.323974] [<c0087500>] (state_store) from [<c0316a74>] (kobj_attr_store+0x14/0x20)
[   69.324005] [<c0316a74>] (kobj_attr_store) from [<c01b1ebc>] (sysfs_kf_write+0x4c/0x50)
[   69.324035] [<c01b1ebc>] (sysfs_kf_write) from [<c01b1294>] (kernfs_fop_write+0xf0/0x19c)
[   69.324066] [<c01b1294>] (kernfs_fop_write) from [<c0149adc>] (vfs_write+0xa4/0x1ac)
[   69.324096] [<c0149adc>] (vfs_write) from [<c0149e00>] (SyS_write+0x40/0x8c)
[   69.324127] [<c0149e00>] (SyS_write) from [<c000e820>] (ret_fast_syscall+0x0/0x48)
[   69.324127] ---[ end trace 1e6b235072bbf553 ]---
[   69.332611] PM: early resume of devices complete after 7.049 msecs
[   69.507629] PM: resume of devices complete after 174.865 msecs
[   69.687561] Restarting tasks ... done.
root@beagleboard:~# 
root@beagleboard:~# 
root@beagleboard:~# 
root@beagleboard:~# cat /debug/pm_debug/count
usbhost_pwrdm (ON),OFF:210,RET:1771,INA:0,ON:1982,RET-LOGIC-OFF:0,RET-MEMBANK1-OFF:0
sgx_pwrdm (OFF),OFF:1,RET:0,INA:0,ON:1,RET-LOGIC-OFF:0,RET-MEMBANK1-OFF:0
core_pwrdm (ON),OFF:2,RET:33,INA:8,ON:44,RET-LOGIC-OFF:0,RET-MEMBANK1-OFF:0,RET-MEMBANK2-OFF:0
per_pwrdm (ON),OFF:2,RET:41,INA:0,ON:44,RET-LOGIC-OFF:0,RET-MEMBANK1-OFF:0
dss_pwrdm (ON),OFF:210,RET:1771,INA:0,ON:1982,RET-LOGIC-OFF:0,RET-MEMBANK1-OFF:0
cam_pwrdm (OFF),OFF:1,RET:1,INA:0,ON:2,RET-LOGIC-OFF:0,RET-MEMBANK1-OFF:0
neon_pwrdm (ON),OFF:2,RET:1430,INA:549,ON:1982,RET-LOGIC-OFF:0
mpu_pwrdm (ON),OFF:2,RET:1430,INA:549,ON:1982,RET-LOGIC-OFF:0,RET-MEMBANK1-OFF:0
iva2_pwrdm (OFF),OFF:1,RET:1,INA:0,ON:2,RET-LOGIC-OFF:0,RET-MEMBANK1-OFF:0,RET-MEMBANK2-OFF:0,RET-MEMBANK3-OFF:0,RET-MEMBANK4-OFF:0
usbhost_clkdm->usbhost_pwrdm (1)
sgx_clkdm->sgx_pwrdm (0)
per_clkdm->per_pwrdm (12)
cam_clkdm->cam_pwrdm (0)
dss_clkdm->dss_pwrdm (1)
d2d_clkdm->core_pwrdm (0)
iva2_clkdm->iva2_pwrdm (0)
mpu_clkdm->mpu_pwrdm (0)
core_l4_clkdm->core_pwrdm (27)
core_l3_clkdm->core_pwrdm (1)
neon_clkdm->neon_pwrdm (0)
root@beagleboard:~# 
root@beagleboard:~# 
root@beagleboard:~# 
root@beagleboard:~# ./test_rootfs_access_nonexistent_file__off_susp
-sh: ./test_rootfs_access_nonexistent_file__off_susp: not found
root@beagleboard:~# 
root@beagleboard:~# 
%% End off-mode double suspend UART wakeup test


%% Start off-mode dynamic idle UART wakeup test

for u in `ls -1d /sys/bus/platform/drivers/omap_uart/*.seria l | paste -s -d' '`; do echo 3000 >  $u/power/autosuspend_delay_ms; done
root@beagleboard:~# 
root@beagleboard:~# for u in `ls -1d /sys/bus/platform/drivers/omap_uart/*.seria l | paste -s -d' '`; do ls -l  $u/power/autosuspend_delay_ms; cat $u/power/autos uspend_delay_ms; done
-rw-r--r--    1 root     root         4096 Jul 22 00:19 /sys/bus/platform/drivers/omap_uart/4806a000.serial/power/autosuspend_delay_ms
3000
-rw-r--r--    1 root     root         4096 Jul 22 00:19 /sys/bus/platform/drivers/omap_uart/4806c000.serial/power/autosuspend_delay_ms
3000
-rw-r--r--    1 root     root         4096 Jul 22 00:19 /sys/bus/platform/drivers/omap_uart/49020000.serial/power/autosuspend_delay_ms
3000
root@beagleboard:~# 
root@beagleboard:~# 
root@beagleboard:~# 
root@beagleboard:~# cat /debug/pm_debug/count
usbhost_pwrdm (ON),OFF:516,RET:1771,INA:0,ON:2288,RET-LOGIC-OFF:0,RET-MEMBANK1-OFF:0
sgx_pwrdm (OFF),OFF:1,RET:0,INA:0,ON:1,RET-LOGIC-OFF:0,RET-MEMBANK1-OFF:0
core_pwrdm (ON),OFF:24,RET:38,INA:11,ON:74,RET-LOGIC-OFF:0,RET-MEMBANK1-OFF:0,RET-MEMBANK2-OFF:0
per_pwrdm (ON),OFF:29,RET:44,INA:0,ON:74,RET-LOGIC-OFF:0,RET-MEMBANK1-OFF:0
dss_pwrdm (ON),OFF:516,RET:1771,INA:0,ON:2288,RET-LOGIC-OFF:0,RET-MEMBANK1-OFF:0
cam_pwrdm (OFF),OFF:1,RET:1,INA:0,ON:2,RET-LOGIC-OFF:0,RET-MEMBANK1-OFF:0
neon_pwrdm (ON),OFF:30,RET:1688,INA:569,ON:2288,RET-LOGIC-OFF:0
mpu_pwrdm (ON),OFF:30,RET:1688,INA:569,ON:2288,RET-LOGIC-OFF:0,RET-MEMBANK1-OFF:0
iva2_pwrdm (OFF),OFF:1,RET:1,INA:0,ON:2,RET-LOGIC-OFF:0,RET-MEMBANK1-OFF:0,RET-MEMBANK2-OFF:0,RET-MEMBANK3-OFF:0,RET-MEMBANK4-OFF:0
usbhost_clkdm->usbhost_pwrdm (1)
sgx_clkdm->sgx_pwrdm (0)
per_clkdm->per_pwrdm (12)
cam_clkdm->cam_pwrdm (0)
dss_clkdm->dss_pwrdm (1)
d2d_clkdm->core_pwrdm (0)
iva2_clkdm->iva2_pwrdm (0)
mpu_clkdm->mpu_pwrdm (0)
core_l4_clkdm->core_pwrdm (20)
core_l3_clkdm->core_pwrdm (1)
neon_clkdm->neon_pwrdm (0)
root@beagleboard:~# 
root@beagleboard:~# 
root@beagleboard:~# 
root@beagleboard:~# ./test_rootfs_access_nonexistent_file__off_dyn
-sh: ./test_rootfs_access_nonexistent_file__off_dyn: not found
root@beagleboard:~# 
root@beagleboard:~# 
%% End off-mode dynamic idle UART wakeup test


%% End PM consolidated quick test