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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
xyzModem - CRC mode, 7(SOH)/4674(STX)/0(CAN) packets, 3 retries
## Total Size      = 0x00490a7e = 4786814 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:    4786750 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-rc5-118754-gec6f34e (paul@knihy) (gcc version 4.7.2 (Debian 4.7.2-5) ) #1 SMP Sun Jan 18 21:28:58 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: 223752K/261120K available (6190K kernel code, 674K rwdata, 2360K rodata, 432K init, 8221K bss, 20984K 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 - 0xc0861d70   (8552 kB)
[    0.000000]       .init : 0xc0862000 - 0xc08ce000   ( 432 kB)
[    0.000000]       .data : 0xc08ce000 - 0xc0976b28   ( 675 kB)
[    0.000000]        .bss : 0xc0976b28 - 0xc117e290   (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
[    0.001556] Console: colour dummy device 80x30
[    0.001678] Lock dependency validator: Copyright (c) 2006 Red Hat, Inc., Ingo Molnar
[    0.001678] ... MAX_LOCKDEP_SUBCLASSES:  8
[    0.001708] ... MAX_LOCK_DEPTH:          48
[    0.001708] ... MAX_LOCKDEP_KEYS:        8191
[    0.001739] ... CLASSHASH_SIZE:          4096
[    0.001739] ... MAX_LOCKDEP_ENTRIES:     32768
[    0.001770] ... MAX_LOCKDEP_CHAINS:      65536
[    0.001770] ... CHAINHASH_SIZE:          32768
[    0.001800]  memory used by lock dependency info: 5167 kB
[    0.001800]  per task-struct memory footprint: 1152 bytes
[    0.001861] Calibrating delay loop... 469.40 BogoMIPS (lpj=2347008)
[    0.101318] pid_max: default: 32768 minimum: 301
[    0.101959] Security Framework initialized
[    0.102264] Mount-cache hash table entries: 1024 (order: 0, 4096 bytes)
[    0.102325] Mountpoint-cache hash table entries: 1024 (order: 0, 4096 bytes)
[    0.107879] Initializing cgroup subsys memory
[    0.108032] Initializing cgroup subsys devices
[    0.108184] Initializing cgroup subsys freezer
[    0.108337] Initializing cgroup subsys blkio
[    0.108489] Initializing cgroup subsys perf_event
[    0.108642] CPU: Testing write buffer coherency: ok
[    0.111083] CPU0: thread -1, cpu 0, socket -1, mpidr 0
[    0.111297] Setting up static identity map for 0x805ddd90 - 0x805dde00
[    0.117614] Brought up 1 CPUs
[    0.117645] SMP: Total of 1 processors activated (469.40 BogoMIPS).
[    0.117645] CPU: All CPU(s) started in SVC mode.
[    0.123565] devtmpfs: initialized
[    0.127532] 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
[    0.345764] pinctrl core: initialized pinctrl subsystem
[    0.481811] NET: Registered protocol family 16
[    0.493469] DMA: preallocated 256 KiB pool for atomic coherent allocations
[    0.497467] cpuidle: using governor ladder
[    0.497528] cpuidle: using governor menu
[    0.509979] Reprogramming SDRC clock to 332000000 Hz
[    0.526611] omap_gpio 48310000.gpio: could not find pctldev for node /ocp/pinmux@48002a00/pinmux_gpio1_pins, deferring probe
[    0.526672] platform 48310000.gpio: Driver omap_gpio requests probe deferral
[    0.532135] OMAP GPIO hardware version 2.5
[    0.550415] irq: no irq domain found for /ocp/pinmux@48002030 !
[    0.585784] omap-gpmc 6e000000.gpmc: GPMC revision 5.0
[    0.601287] No ATAGs?
[    0.601318] hw-breakpoint: debug architecture 0x4 unsupported.
[    0.606506] OMAP DMA hardware revision 4.0
[    0.731079] omap-dma-engine 48056000.dma-controller: OMAP DMA engine driver
[    0.733001] platform hsusb2_power_reg: Driver reg-fixed-voltage requests probe deferral
[    0.740325] SCSI subsystem initialized
[    0.743103] usbcore: registered new interface driver usbfs
[    0.743438] usbcore: registered new interface driver hub
[    0.743713] usbcore: registered new device driver usb
[    0.744964] platform hsusb2_phy: Driver usb_phy_generic requests probe deferral
[    0.753814] omap_i2c 48070000.i2c: bus 0 rev3.3 at 2600 kHz
[    0.755981] omap_i2c 48072000.i2c: bus 1 rev3.3 at 100 kHz
[    0.758178] omap_i2c 48060000.i2c: bus 2 rev3.3 at 100 kHz
[    0.766510] Switched to clocksource 32k_counter
[    1.056671] NET: Registered protocol family 2
[    1.059631] TCP established hash table entries: 2048 (order: 1, 8192 bytes)
[    1.059936] TCP bind hash table entries: 2048 (order: 4, 73728 bytes)
[    1.061309] TCP: Hash tables configured (established 2048 bind 2048)
[    1.061706] TCP: reno registered
[    1.061767] UDP hash table entries: 256 (order: 2, 20480 bytes)
[    1.062164] UDP-Lite hash table entries: 256 (order: 2, 20480 bytes)
[    1.064208] NET: Registered protocol family 1
[    1.067047] RPC: Registered named UNIX socket transport module.
[    1.067077] RPC: Registered udp transport module.
[    1.067108] RPC: Registered tcp transport module.
[    1.067138] RPC: Registered tcp NFSv4.1 backchannel transport module.
[    1.069580] hw perfevents: enabled with armv7_cortex_a8 PMU driver, 5 counters available
[    1.080413] futex hash table entries: 256 (order: 2, 16384 bytes)
[    1.080871] audit: initializing netlink subsys (disabled)
[    1.081298] audit: type=2000 audit(1.110:1): initialized
[    1.089569] VFS: Disk quotas dquot_6.5.2
[    1.089874] VFS: Dquot-cache hash table entries: 1024 (order 0, 4096 bytes)
[    1.094329] NFS: Registering the id_resolver key type
[    1.095001] Key type id_resolver registered
[    1.095031] Key type id_legacy registered
[    1.095367] jffs2: version 2.2. (NAND) (SUMMARY)  © 2001-2006 Red Hat, Inc.
[    1.103485] io scheduler noop registered
[    1.103546] io scheduler deadline registered
[    1.103729] io scheduler cfq registered (default)
[    1.109893] pinctrl-single 48002030.pinmux: 284 pins at pa fa002030 size 568
[    1.110931] pinctrl-single 48002a00.pinmux: 46 pins at pa fa002a00 size 92
[    1.112579] pinctrl-single 480025d8.pinmux: 18 pins at pa fa0025d8 size 36
[    1.123107] Serial: 8250/16550 driver, 4 ports, IRQ sharing enabled
[    1.135314] omap_uart 4806a000.serial: no wakeirq for uart0
[    1.136505] 4806a000.serial: ttyO0 at MMIO 0x4806a000 (irq = 192, base_baud = 3000000) is a OMAP UART0
[    1.139892] omap_uart 4806c000.serial: no wakeirq for uart0
[    1.140502] 4806c000.serial: ttyO1 at MMIO 0x4806c000 (irq = 193, base_baud = 3000000) is a OMAP UART1
[    1.143859] 49020000.serial: ttyO2 at MMIO 0x49020000 (irq = 194, base_baud = 3000000) is a OMAP UART2
[    1.549926] console [ttyO2] enabled
[    1.599365] brd: module loaded
[    1.627563] loop: module loaded
[    1.644836] twl 0-0048: PIH (irq 265) chaining IRQs 266..274
[    1.648651] twl 0-0048: power (irq 271) chaining IRQs 274..281
[    1.729034] twl4030_gpio twl4030-gpio: gpio (irq 266) chaining IRQs 282..299
[    1.753143] mtdoops: mtd device (mtddev=name/number) must be supplied
[    1.772155] usbcore: registered new interface driver asix
[    1.775390] usbcore: registered new interface driver ax88179_178a
[    1.779083] usbcore: registered new interface driver cdc_ether
[    1.782623] usbcore: registered new interface driver smsc95xx
[    1.786102] usbcore: registered new interface driver net1080
[    1.789520] usbcore: registered new interface driver cdc_subset
[    1.792999] usbcore: registered new interface driver zaurus
[    1.796569] usbcore: registered new interface driver cdc_ncm
[    1.801788] usbcore: registered new interface driver cdc_wdm
[    1.805267] usbcore: registered new interface driver usb-storage
[    1.809051] usbcore: registered new interface driver usbtest
[    1.816955] mousedev: PS/2 mouse device common for all mice
[    1.821990] twl4030_keypad 48070000.i2c:twl@48:keypad: OF: linux,keymap property not defined in /ocp/i2c@48070000/twl@48/keypad
[    1.828430] twl4030_keypad 48070000.i2c:twl@48:keypad: Failed to build keymap
[    1.832397] twl4030_keypad: probe of 48070000.i2c:twl@48:keypad failed with error -2
[    1.842437] input: twl4030_pwrbutton as /devices/platform/68000000.ocp/48070000.i2c/i2c-0/0-0048/48070000.i2c:twl@48:pwrbutton/input/input1
[    1.855010] twl_rtc 48070000.i2c:twl@48:rtc: Power up reset detected.
[    1.859008] twl_rtc 48070000.i2c:twl@48:rtc: Enabling TWL-RTC
[    1.868530] twl_rtc 48070000.i2c:twl@48:rtc: rtc core: registered 48070000.i2c:twl@48 as rtc0
[    1.874725] i2c /dev entries driver
[    1.881317] Driver for 1-wire Dallas network protocol.
[    1.890045] omap_wdt: OMAP Watchdog Timer Rev 0x31: initial timeout 60 sec
[    1.897521] Driver 'mmcblk' needs updating - please use bus_type methods
[    1.969390] ledtrig-cpu: registered to indicate activity on CPUs
[    1.973846] usbcore: registered new interface driver usbhid
[    1.977020] usbhid: USB HID core driver
[    1.982666] oprofile: using arm/armv7
[    1.985992] TCP: cubic registered
[    1.988006] Initializing XFRM netlink socket
[    1.990600] NET: Registered protocol family 17
[    1.993164] NET: Registered protocol family 15
[    1.997528] Key type dns_resolver registered
[    2.000335] omap2_set_init_voltage: unable to find boot up OPP for vdd_mpu_iva
[    2.004272] omap2_set_init_voltage: unable to set vdd_mpu_iva
[    2.007537] omap2_set_init_voltage: unable to find boot up OPP for vdd_core
[    2.011352] omap2_set_init_voltage: unable to set vdd_core
[    2.018066] PM: no software I/O chain control; some wakeups may be lost
[    2.024871] ThumbEE CPU extension supported.
[    2.027404] Registering SWP/SWPB emulation handler
[    2.030029] SmartReflex Class3 initialized
[    2.063842] input: gpio_keys as /devices/platform/gpio_keys/input/input2
[    2.071868] twl_rtc 48070000.i2c:twl@48:rtc: setting system clock to 2000-01-01 00:00:00 UTC (946684800)
[    2.077148] sr_init: No PMIC hook to init smartreflex
[    2.080718] smartreflex smartreflex.0: omap_sr_probe: SmartReflex driver initialized
[    2.085388] smartreflex smartreflex.0: omap_sr_probe: smartreflex_mpu_iva: No Voltage table for the corresponding vdd. Cannot create debugfs entries for n-values
[    2.094238] smartreflex: probe of smartreflex.0 failed with error -61
[    2.098205] smartreflex smartreflex.1: omap_sr_probe: SmartReflex driver initialized
[    2.102783] smartreflex smartreflex.1: omap_sr_probe: smartreflex_core: No Voltage table for the corresponding vdd. Cannot create debugfs entries for n-values
[    2.110961] smartreflex: probe of smartreflex.1 failed with error -61
[    2.114715] sr_init: platform driver register failed for SR
[    2.230560] hsusb2_vbus: disabling
[    2.234222] VUSB3V1: disabling
[    2.237640] VUSB1V8: disabling
[    2.241455] VUSB1V5: disabling
[    2.244903] VDAC: disabling
[    2.248260] VAUX3: disabling
[    2.250122] mmc0: host does not support reading read-only switch, assuming write-enable
[    2.261596] Waiting for root device /dev/mmcblk0p2...
[    2.264953] mmc0: new SD card at address 8001
[    2.272094] mmcblk0: mmc0:8001 SD02G 1.89 GiB 
[    2.283081]  mmcblk0: p1 p2
[    3.668334] kjournald starting.  Commit interval 5 seconds
[    3.671905] EXT3-fs (mmcblk0p2): warning: maximal mount count reached, running e2fsck is recommended
[    3.856872] EXT3-fs (mmcblk0p2): using internal journal
[    3.864685] EXT3-fs (mmcblk0p2): recovery complete
[    3.867431] EXT3-fs (mmcblk0p2): mounted filesystem with ordered data mode
[    3.871398] VFS: Mounted root (ext3 filesystem) on device 179:2.
[    3.881530] devtmpfs: mounted
[    3.884857] Freeing unused kernel memory: 432K (c0862000 - c08ce000)
INIT: version 2.86 booting
Starting the hotplug events dispatcher udevd
[    5.297546] udevd (91): /proc/91/oom_adj is deprecated, please use /proc/91/oom_score_adj instead.
Synthesizing the initial hotplug events
[   18.667480] 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-rc5-118754-gec6f34e: No such file or directory
FATAL: Could not open /lib/modules/3.19.0-rc5-118754-gec6f34e/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-rc5-118754-gec6f34e/modules.dep: No such file or directory

modprobe: FATAL: Could not load /lib/modules/3.19.0-rc5-118754-gec6f34e/modules.dep: No such file or directory

ifconfig: SIOCGIFFLAGS: No such device
modprobe: FATAL: Could not load /lib/modules/3.19.0-rc5-118754-gec6f34e/modules.dep: No such file or directory

modprobe: FATAL: Could not load /lib/modules/3.19.0-rc5-118754-gec6f34e/modules.dep: No such file or directory

modprobe: FATAL: Could not load /lib/modules/3.19.0-rc5-118754-gec6f34e/modules.dep: No such file or directory

modprobe: FATAL: Could not load /lib/modules/3.19.0-rc5-118754-gec6f34e/modules.dep: No such file or directory

eth0      No such device

modprobe: FATAL: Could not load /lib/modules/3.19.0-rc5-118754-gec6f34e/modules.dep: No such file or directory

modprobe: FATAL: Could not load /lib/modules/3.19.0-rc5-118754-gec6f34e/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...
[   27.332366] 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-rc5-118754-gec6f34e/modules.dep: No such file or directory

modprobe: FATAL: Could not load /lib/modules/3.19.0-rc5-118754-gec6f34e/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-rc5-118754-gec6f34e/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[1415]: 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:1083,INA:0,ON:1084,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:1083,INA:0,ON:1084,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:610,INA:473,ON:1084,RET-LOGIC-OFF:0
mpu_pwrdm (ON),OFF:0,RET:610,INA:473,ON:1084,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
auto
echo mem > /sys/power/state

-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
[   38.152587] PM: Syncing filesystems ... done.
[   38.747497] Freezing user space processes ... (elapsed 0.003 seconds) done.
[   38.754791] Freezing remaining freezable tasks ... (elapsed 0.003 seconds) done.
[   38.762695] Suspending console(s) (use no_console_suspend to debug)
[   38.805816] PM: suspend of devices complete after 31.097 msecs
[   38.816619] PM: late suspend of devices complete after 10.711 msecs
[   38.828369] PM: noirq suspend of devices complete after 11.688 msecs
[   38.828521] Disabling non-boot CPUs ...
[   38.828552] Successfully put all powerdomains to target state
[   38.835144] PM: noirq resume of devices complete after 6.500 msecs
[   38.835418] In-band Error seen by MPU  at address 0
[   38.835449] ------------[ cut here ]------------
[   38.835479] WARNING: CPU: 0 PID: 1469 at drivers/bus/omap_l3_smx.c:166 omap3_l3_app_irq+0xcc/0x124()
[   38.835479] Modules linked in:
[   38.835510] CPU: 0 PID: 1469 Comm: echo Not tainted 3.19.0-rc5-118754-gec6f34e #1
[   38.835510] Hardware name: Generic OMAP3-GP (Flattened Device Tree)
[   38.835571] [<c0015514>] (unwind_backtrace) from [<c0011bec>] (show_stack+0x10/0x14)
[   38.835601] [<c0011bec>] (show_stack) from [<c05d5764>] (dump_stack+0x80/0x9c)
[   38.835632] [<c05d5764>] (dump_stack) from [<c003e1b4>] (warn_slowpath_common+0x78/0xb4)
[   38.835662] [<c003e1b4>] (warn_slowpath_common) from [<c003e20c>] (warn_slowpath_null+0x1c/0x24)
[   38.835693] [<c003e20c>] (warn_slowpath_null) from [<c033b220>] (omap3_l3_app_irq+0xcc/0x124)
[   38.835723] [<c033b220>] (omap3_l3_app_irq) from [<c008d38c>] (handle_irq_event_percpu+0x60/0x1f4)
[   38.835754] [<c008d38c>] (handle_irq_event_percpu) from [<c008d55c>] (handle_irq_event+0x3c/0x5c)
[   38.835754] [<c008d55c>] (handle_irq_event) from [<c0090234>] (handle_level_irq+0xb4/0x13c)
[   38.835784] [<c0090234>] (handle_level_irq) from [<c008cc34>] (generic_handle_irq+0x20/0x30)
[   38.835815] [<c008cc34>] (generic_handle_irq) from [<c008cd4c>] (__handle_domain_irq+0x68/0xdc)
[   38.835845] [<c008cd4c>] (__handle_domain_irq) from [<c00086e4>] (omap_intc_handle_irq+0xb4/0xc4)
[   38.835845] [<c00086e4>] (omap_intc_handle_irq) from [<c05dbf64>] (__irq_svc+0x44/0x5c)
[   38.835876] Exception stack(0xce619dd0 to 0xce619e18)
[   38.835906] 9dc0:                                     00000001 ce6b7928 00000000 ce6b7340
[   38.835906] 9de0: 60000013 ce152860 ce152860 c0923a98 00000000 c0947464 60000013 c09236b0
[   38.835937] 9e00: c0ac0c08 ce619e18 c0083778 c05dbae4 20000013 ffffffff
[   38.835968] [<c05dbf64>] (__irq_svc) from [<c05dbae4>] (_raw_spin_unlock_irqrestore+0x34/0x44)
[   38.835998] [<c05dbae4>] (_raw_spin_unlock_irqrestore) from [<c0093e64>] (resume_irqs+0x84/0xdc)
[   38.836029] [<c0093e64>] (resume_irqs) from [<c03aeb64>] (dpm_resume_noirq+0x210/0x2d4)
[   38.836059] [<c03aeb64>] (dpm_resume_noirq) from [<c0088878>] (suspend_devices_and_enter+0x324/0x600)
[   38.836090] [<c0088878>] (suspend_devices_and_enter) from [<c0088f50>] (pm_suspend+0x3fc/0x470)
[   38.836120] [<c0088f50>] (pm_suspend) from [<c0087550>] (state_store+0x68/0xb8)
[   38.836151] [<c0087550>] (state_store) from [<c0316db4>] (kobj_attr_store+0x14/0x20)
[   38.836181] [<c0316db4>] (kobj_attr_store) from [<c01b1f18>] (sysfs_kf_write+0x4c/0x50)
[   38.836212] [<c01b1f18>] (sysfs_kf_write) from [<c01b12f0>] (kernfs_fop_write+0xf0/0x19c)
[   38.836242] [<c01b12f0>] (kernfs_fop_write) from [<c0149b2c>] (vfs_write+0xa4/0x1ac)
[   38.836273] [<c0149b2c>] (vfs_write) from [<c0149e50>] (SyS_write+0x40/0x8c)
[   38.836273] [<c0149e50>] (SyS_write) from [<c000e820>] (ret_fast_syscall+0x0/0x48)
[   38.836303] ---[ end trace c1a2d94cac011794 ]---
[   38.844787] PM: early resume of devices complete after 7.110 msecs
[   39.019805] PM: resume of devices complete after 174.774 msecs
[   39.200439] Restarting tasks ... done.
root@beagleboard:~# 
root@beagleboard:~# 
root@beagleboard:~# 
root@beagleboard:~# cat /debug/pm_debug/count
usbhost_pwrdm (ON),OFF:0,RET:1229,INA:0,ON:1230,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:1229,INA:0,ON:1230,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:749,INA:480,ON:1230,RET-LOGIC-OFF:0
mpu_pwrdm (ON),OFF:0,RET:749,INA:480,ON:1230,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
[   42.047058] PM: Syncing filesystems ... done.
[   42.776000] Freezing user space processes ... (elapsed 0.002 seconds) done.
[   42.782623] Freezing remaining freezable tasks ... (elapsed 0.002 seconds) done.
[   42.789245] Suspending console(s) (use no_console_suspend to debug)
[   42.819854] PM: suspend of devices complete after 18.890 msecs
[   42.830627] PM: late suspend of devices complete after 10.711 msecs
[   42.841552] PM: noirq suspend of devices complete after 10.894 msecs
[   42.841552] Disabling non-boot CPUs ...
[   42.841583] Successfully put all powerdomains to target state
[   42.848083] PM: noirq resume of devices complete after 6.408 msecs
[   42.848266] In-band Error seen by MPU  at address 0
[   42.848297] ------------[ cut here ]------------
[   42.848327] WARNING: CPU: 0 PID: 1473 at drivers/bus/omap_l3_smx.c:166 omap3_l3_app_irq+0xcc/0x124()
[   42.848327] Modules linked in:
[   42.848358] CPU: 0 PID: 1473 Comm: echo Tainted: G        W      3.19.0-rc5-118754-gec6f34e #1
[   42.848358] Hardware name: Generic OMAP3-GP (Flattened Device Tree)
[   42.848419] [<c0015514>] (unwind_backtrace) from [<c0011bec>] (show_stack+0x10/0x14)
[   42.848449] [<c0011bec>] (show_stack) from [<c05d5764>] (dump_stack+0x80/0x9c)
[   42.848480] [<c05d5764>] (dump_stack) from [<c003e1b4>] (warn_slowpath_common+0x78/0xb4)
[   42.848510] [<c003e1b4>] (warn_slowpath_common) from [<c003e20c>] (warn_slowpath_null+0x1c/0x24)
[   42.848541] [<c003e20c>] (warn_slowpath_null) from [<c033b220>] (omap3_l3_app_irq+0xcc/0x124)
[   42.848571] [<c033b220>] (omap3_l3_app_irq) from [<c008d38c>] (handle_irq_event_percpu+0x60/0x1f4)
[   42.848602] [<c008d38c>] (handle_irq_event_percpu) from [<c008d55c>] (handle_irq_event+0x3c/0x5c)
[   42.848602] [<c008d55c>] (handle_irq_event) from [<c0090234>] (handle_level_irq+0xb4/0x13c)
[   42.848632] [<c0090234>] (handle_level_irq) from [<c008cc34>] (generic_handle_irq+0x20/0x30)
[   42.848663] [<c008cc34>] (generic_handle_irq) from [<c008cd4c>] (__handle_domain_irq+0x68/0xdc)
[   42.848693] [<c008cd4c>] (__handle_domain_irq) from [<c00086e4>] (omap_intc_handle_irq+0xb4/0xc4)
[   42.848693] [<c00086e4>] (omap_intc_handle_irq) from [<c05dbf64>] (__irq_svc+0x44/0x5c)
[   42.848724] Exception stack(0xce619dd0 to 0xce619e18)
[   42.848724] 9dc0:                                     00000001 ce6b7928 00000000 ce6b7340
[   42.848754] 9de0: 60000013 ce152860 ce152860 c0923a98 00000000 c0947464 60000013 c09236b0
[   42.848785] 9e00: c0ac0c08 ce619e18 c0083778 c05dbae4 20000013 ffffffff
[   42.848815] [<c05dbf64>] (__irq_svc) from [<c05dbae4>] (_raw_spin_unlock_irqrestore+0x34/0x44)
[   42.848846] [<c05dbae4>] (_raw_spin_unlock_irqrestore) from [<c0093e64>] (resume_irqs+0x84/0xdc)
[   42.848876] [<c0093e64>] (resume_irqs) from [<c03aeb64>] (dpm_resume_noirq+0x210/0x2d4)
[   42.848907] [<c03aeb64>] (dpm_resume_noirq) from [<c0088878>] (suspend_devices_and_enter+0x324/0x600)
[   42.848937] [<c0088878>] (suspend_devices_and_enter) from [<c0088f50>] (pm_suspend+0x3fc/0x470)
[   42.848968] [<c0088f50>] (pm_suspend) from [<c0087550>] (state_store+0x68/0xb8)
[   42.848999] [<c0087550>] (state_store) from [<c0316db4>] (kobj_attr_store+0x14/0x20)
[   42.849029] [<c0316db4>] (kobj_attr_store) from [<c01b1f18>] (sysfs_kf_write+0x4c/0x50)
[   42.849060] [<c01b1f18>] (sysfs_kf_write) from [<c01b12f0>] (kernfs_fop_write+0xf0/0x19c)
[   42.849090] [<c01b12f0>] (kernfs_fop_write) from [<c0149b2c>] (vfs_write+0xa4/0x1ac)
[   42.849121] [<c0149b2c>] (vfs_write) from [<c0149e50>] (SyS_write+0x40/0x8c)
[   42.849121] [<c0149e50>] (SyS_write) from [<c000e820>] (ret_fast_syscall+0x0/0x48)
[   42.849151] ---[ end trace c1a2d94cac011795 ]---
[   42.857666] PM: early resume of devices complete after 7.263 msecs
[   43.028717] PM: resume of devices complete after 170.898 msecs
[   43.208831] Restarting tasks ... done.
root@beagleboard:~# 
root@beagleboard:~# 
root@beagleboard:~# 
root@beagleboard:~# cat /debug/pm_debug/count
usbhost_pwrdm (ON),OFF:0,RET:1369,INA:0,ON:1370,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:1369,INA:0,ON:1370,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:876,INA:493,ON:1370,RET-LOGIC-OFF:0
mpu_pwrdm (ON),OFF:0,RET:876,INA:493,ON:1370,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:1658,INA:0,ON:1659,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:26,INA:8,ON:35,RET-LOGIC-OFF:0,RET-MEMBANK1-OFF:0,RET-MEMBANK2-OFF:0
per_pwrdm (ON),OFF:0,RET:34,INA:0,ON:35,RET-LOGIC-OFF:0,RET-MEMBANK1-OFF:0
dss_pwrdm (ON),OFF:0,RET:1658,INA:0,ON:1659,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:1157,INA:501,ON:1659,RET-LOGIC-OFF:0
mpu_pwrdm (ON),OFF:0,RET:1157,INA:501,ON:1659,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
[   63.863128] PM: Syncing filesystems ... done.
[   64.251556] Freezing user space processes ... (elapsed 0.002 seconds) done.
[   64.257629] Freezing remaining freezable tasks ... (elapsed 0.002 seconds) done.
[   64.264068] Suspending console(s) (use no_console_suspend to debug)
[   64.294494] PM: suspend of devices complete after 18.646 msecs
[   64.305145] PM: late suspend of devices complete after 10.589 msecs
[   64.316162] PM: noirq suspend of devices complete after 10.986 msecs
[   64.316192] Disabling non-boot CPUs ...
[   64.316223] Successfully put all powerdomains to target state
[   64.336578] PM: noirq resume of devices complete after 20.233 msecs
[   64.336730] In-band Error seen by MPU  at address 0
[   64.336761] ------------[ cut here ]------------
[   64.336791] WARNING: CPU: 0 PID: 1510 at drivers/bus/omap_l3_smx.c:166 omap3_l3_app_irq+0xcc/0x124()
[   64.336822] Modules linked in:
[   64.336822] CPU: 0 PID: 1510 Comm: echo Tainted: G        W      3.19.0-rc5-118754-gec6f34e #1
[   64.336853] Hardware name: Generic OMAP3-GP (Flattened Device Tree)
[   64.336914] [<c0015514>] (unwind_backtrace) from [<c0011bec>] (show_stack+0x10/0x14)
[   64.336944] [<c0011bec>] (show_stack) from [<c05d5764>] (dump_stack+0x80/0x9c)
[   64.336975] [<c05d5764>] (dump_stack) from [<c003e1b4>] (warn_slowpath_common+0x78/0xb4)
[   64.336975] [<c003e1b4>] (warn_slowpath_common) from [<c003e20c>] (warn_slowpath_null+0x1c/0x24)
[   64.337005] [<c003e20c>] (warn_slowpath_null) from [<c033b220>] (omap3_l3_app_irq+0xcc/0x124)
[   64.337036] [<c033b220>] (omap3_l3_app_irq) from [<c008d38c>] (handle_irq_event_percpu+0x60/0x1f4)
[   64.337066] [<c008d38c>] (handle_irq_event_percpu) from [<c008d55c>] (handle_irq_event+0x3c/0x5c)
[   64.337097] [<c008d55c>] (handle_irq_event) from [<c0090234>] (handle_level_irq+0xb4/0x13c)
[   64.337097] [<c0090234>] (handle_level_irq) from [<c008cc34>] (generic_handle_irq+0x20/0x30)
[   64.337127] [<c008cc34>] (generic_handle_irq) from [<c008cd4c>] (__handle_domain_irq+0x68/0xdc)
[   64.337158] [<c008cd4c>] (__handle_domain_irq) from [<c00086e4>] (omap_intc_handle_irq+0xb4/0xc4)
[   64.337188] [<c00086e4>] (omap_intc_handle_irq) from [<c05dbf64>] (__irq_svc+0x44/0x5c)
[   64.337188] Exception stack(0xce7d1dd0 to 0xce7d1e18)
[   64.337188] 1dc0:                                     00000001 ce51b5e8 00000000 ce51b000
[   64.337219] 1de0: 60000153 ce152860 ce152860 c0923a98 00000000 c0947464 60000153 c09236b0
[   64.337249] 1e00: c0ac0c08 ce7d1e18 c0083778 c05dbae4 20000153 ffffffff
[   64.337280] [<c05dbf64>] (__irq_svc) from [<c05dbae4>] (_raw_spin_unlock_irqrestore+0x34/0x44)
[   64.337310] [<c05dbae4>] (_raw_spin_unlock_irqrestore) from [<c0093e64>] (resume_irqs+0x84/0xdc)
[   64.337341] [<c0093e64>] (resume_irqs) from [<c03aeb64>] (dpm_resume_noirq+0x210/0x2d4)
[   64.337371] [<c03aeb64>] (dpm_resume_noirq) from [<c0088878>] (suspend_devices_and_enter+0x324/0x600)
[   64.337402] [<c0088878>] (suspend_devices_and_enter) from [<c0088f50>] (pm_suspend+0x3fc/0x470)
[   64.337432] [<c0088f50>] (pm_suspend) from [<c0087550>] (state_store+0x68/0xb8)
[   64.337463] [<c0087550>] (state_store) from [<c0316db4>] (kobj_attr_store+0x14/0x20)
[   64.337493] [<c0316db4>] (kobj_attr_store) from [<c01b1f18>] (sysfs_kf_write+0x4c/0x50)
[   64.337524] [<c01b1f18>] (sysfs_kf_write) from [<c01b12f0>] (kernfs_fop_write+0xf0/0x19c)
[   64.337524] [<c01b12f0>] (kernfs_fop_write) from [<c0149b2c>] (vfs_write+0xa4/0x1ac)
[   64.337554] [<c0149b2c>] (vfs_write) from [<c0149e50>] (SyS_write+0x40/0x8c)
[   64.337585] [<c0149e50>] (SyS_write) from [<c000e820>] (ret_fast_syscall+0x0/0x48)
[   64.337585] ---[ end trace c1a2d94cac011796 ]---
[   64.346130] PM: early resume of devices complete after 7.263 msecs
[   64.518615] PM: resume of devices complete after 172.363 msecs
[   64.698669] Restarting tasks ... done.
root@beagleboard:~# 
root@beagleboard:~# 
root@beagleboard:~# 
root@beagleboard:~# cat /debug/pm_debug/count
usbhost_pwrdm (ON),OFF:66,RET:1777,INA:0,ON:1844,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:26,INA:8,ON:36,RET-LOGIC-OFF:0,RET-MEMBANK1-OFF:0,RET-MEMBANK2-OFF:0
per_pwrdm (ON),OFF:1,RET:34,INA:0,ON:36,RET-LOGIC-OFF:0,RET-MEMBANK1-OFF:0
dss_pwrdm (ON),OFF:66,RET:1777,INA:0,ON:1844,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:1327,INA:515,ON:1844,RET-LOGIC-OFF:0
mpu_pwrdm (ON),OFF:1,RET:1327,INA:515,ON:1844,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
[   67.529571] PM: Syncing filesystems ... done.
[   68.257080] Freezing user space processes ... (elapsed 0.002 seconds) done.
[   68.263122] Freezing remaining freezable tasks ... (elapsed 0.002 seconds) done.
[   68.269683] Suspending console(s) (use no_console_suspend to debug)
[   68.300201] PM: suspend of devices complete after 18.859 msecs
[   68.310882] PM: late suspend of devices complete after 10.620 msecs
[   68.321807] PM: noirq suspend of devices complete after 10.894 msecs
[   68.321838] Disabling non-boot CPUs ...
[   68.321868] Successfully put all powerdomains to target state
[   68.342041] PM: noirq resume of devices complete after 20.050 msecs
[   68.342224] In-band Error seen by MPU  at address 0
[   68.342224] ------------[ cut here ]------------
[   68.342254] WARNING: CPU: 0 PID: 1512 at drivers/bus/omap_l3_smx.c:166 omap3_l3_app_irq+0xcc/0x124()
[   68.342285] Modules linked in:
[   68.342285] CPU: 0 PID: 1512 Comm: echo Tainted: G        W      3.19.0-rc5-118754-gec6f34e #1
[   68.342315] Hardware name: Generic OMAP3-GP (Flattened Device Tree)
[   68.342376] [<c0015514>] (unwind_backtrace) from [<c0011bec>] (show_stack+0x10/0x14)
[   68.342407] [<c0011bec>] (show_stack) from [<c05d5764>] (dump_stack+0x80/0x9c)
[   68.342437] [<c05d5764>] (dump_stack) from [<c003e1b4>] (warn_slowpath_common+0x78/0xb4)
[   68.342437] [<c003e1b4>] (warn_slowpath_common) from [<c003e20c>] (warn_slowpath_null+0x1c/0x24)
[   68.342468] [<c003e20c>] (warn_slowpath_null) from [<c033b220>] (omap3_l3_app_irq+0xcc/0x124)
[   68.342498] [<c033b220>] (omap3_l3_app_irq) from [<c008d38c>] (handle_irq_event_percpu+0x60/0x1f4)
[   68.342529] [<c008d38c>] (handle_irq_event_percpu) from [<c008d55c>] (handle_irq_event+0x3c/0x5c)
[   68.342559] [<c008d55c>] (handle_irq_event) from [<c0090234>] (handle_level_irq+0xb4/0x13c)
[   68.342559] [<c0090234>] (handle_level_irq) from [<c008cc34>] (generic_handle_irq+0x20/0x30)
[   68.342590] [<c008cc34>] (generic_handle_irq) from [<c008cd4c>] (__handle_domain_irq+0x68/0xdc)
[   68.342620] [<c008cd4c>] (__handle_domain_irq) from [<c00086e4>] (omap_intc_handle_irq+0xb4/0xc4)
[   68.342651] [<c00086e4>] (omap_intc_handle_irq) from [<c05dbf64>] (__irq_svc+0x44/0x5c)
[   68.342651] Exception stack(0xce7d1dd0 to 0xce7d1e18)
[   68.342681] 1dc0:                                     00000001 ce51b5e8 00000000 ce51b000
[   68.342681] 1de0: 60000153 ce152860 ce152860 c0923a98 00000000 c0947464 60000153 c09236b0
[   68.342712] 1e00: c0ac0c08 ce7d1e18 c0083778 c05dbae4 20000153 ffffffff
[   68.342742] [<c05dbf64>] (__irq_svc) from [<c05dbae4>] (_raw_spin_unlock_irqrestore+0x34/0x44)
[   68.342773] [<c05dbae4>] (_raw_spin_unlock_irqrestore) from [<c0093e64>] (resume_irqs+0x84/0xdc)
[   68.342803] [<c0093e64>] (resume_irqs) from [<c03aeb64>] (dpm_resume_noirq+0x210/0x2d4)
[   68.342834] [<c03aeb64>] (dpm_resume_noirq) from [<c0088878>] (suspend_devices_and_enter+0x324/0x600)
[   68.342864] [<c0088878>] (suspend_devices_and_enter) from [<c0088f50>] (pm_suspend+0x3fc/0x470)
[   68.342895] [<c0088f50>] (pm_suspend) from [<c0087550>] (state_store+0x68/0xb8)
[   68.342926] [<c0087550>] (state_store) from [<c0316db4>] (kobj_attr_store+0x14/0x20)
[   68.342956] [<c0316db4>] (kobj_attr_store) from [<c01b1f18>] (sysfs_kf_write+0x4c/0x50)
[   68.342987] [<c01b1f18>] (sysfs_kf_write) from [<c01b12f0>] (kernfs_fop_write+0xf0/0x19c)
[   68.343017] [<c01b12f0>] (kernfs_fop_write) from [<c0149b2c>] (vfs_write+0xa4/0x1ac)
[   68.343017] [<c0149b2c>] (vfs_write) from [<c0149e50>] (SyS_write+0x40/0x8c)
[   68.343048] [<c0149e50>] (SyS_write) from [<c000e820>] (ret_fast_syscall+0x0/0x48)
[   68.343048] ---[ end trace c1a2d94cac011797 ]---
[   68.351562] PM: early resume of devices complete after 7.263 msecs
[   68.528503] PM: resume of devices complete after 176.788 msecs
[   68.708526] Restarting tasks ... done.
root@beagleboard:~# 
root@beagleboard:~# 
root@beagleboard:~# 
root@beagleboard:~# cat /debug/pm_debug/count
usbhost_pwrdm (ON),OFF:212,RET:1777,INA:0,ON:1990,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:26,INA:8,ON:37,RET-LOGIC-OFF:0,RET-MEMBANK1-OFF:0,RET-MEMBANK2-OFF:0
per_pwrdm (ON),OFF:2,RET:34,INA:0,ON:37,RET-LOGIC-OFF:0,RET-MEMBANK1-OFF:0
dss_pwrdm (ON),OFF:212,RET:1777,INA:0,ON:1990,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:1462,INA:525,ON:1990,RET-LOGIC-OFF:0
mpu_pwrdm (ON),OFF:2,RET:1462,INA:525,ON:1990,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:498,RET:1777,INA:0,ON:2276,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:25,RET:28,INA:13,ON:67,RET-LOGIC-OFF:0,RET-MEMBANK1-OFF:0,RET-MEMBANK2-OFF:0
per_pwrdm (ON),OFF:27,RET:39,INA:0,ON:67,RET-LOGIC-OFF:0,RET-MEMBANK1-OFF:0
dss_pwrdm (ON),OFF:498,RET:1777,INA:0,ON:2276,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:1705,INA:540,ON:2276,RET-LOGIC-OFF:0
mpu_pwrdm (ON),OFF:30,RET:1705,INA:540,ON:2276,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