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

OMAP3530-GP ES3.1, CPU-OPP2, L3-165MHz, Max CPU Clock 720 mHz
OMAP3 Beagle board + LPDDR/NAND
I2C:   ready
DRAM:  256 MiB
NAND:  512 MiB
MMC:   OMAP SD/MMC: 0
In:    serial
Out:   serial
Err:   serial
Beagle Rev C4
timed out in wait_for_pin: I2C_STAT=0
I2C read: I/O error
Unrecognized expansion board: 0
Die ID #668c000400000000040398d31601f008
Hit any key to stop autoboot:  3  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
yzModem - 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 ES3.1 (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
[    0.001831]  per task-struct memory footprint: 1152 bytes
[    0.001861] Calibrating delay loop... 508.72 BogoMIPS (lpj=2543616)
[    0.110046] pid_max: default: 32768 minimum: 301
[    0.110687] Security Framework initialized
[    0.111022] Mount-cache hash table entries: 1024 (order: 0, 4096 bytes)
[    0.111053] Mountpoint-cache hash table entries: 1024 (order: 0, 4096 bytes)
[    0.116607] Initializing cgroup subsys memory
[    0.116760] Initializing cgroup subsys devices
[    0.116912] Initializing cgroup subsys freezer
[    0.117065] Initializing cgroup subsys blkio
[    0.117218] Initializing cgroup subsys perf_event
[    0.117370] CPU: Testing write buffer coherency: ok
[    0.119689] CPU0: thread -1, cpu 0, socket -1, mpidr 0
[    0.119903] Setting up static identity map for 0x805ddd90 - 0x805dde00
[    0.126342] Brought up 1 CPUs
[    0.126373] SMP: Total of 1 processors activated (508.72 BogoMIPS).
[    0.126373] CPU: All CPU(s) started in SVC mode.
[    0.132293] devtmpfs: initialized
[    0.136260] VFP support v0.3: implementor 41 architecture 3 part 30 variant c rev 1
[    0.242065] omap_hwmod: mcbsp2_sidetone using broken dt data from mcbsp
[    0.245086] omap_hwmod: mcbsp3_sidetone using broken dt data from mcbsp
[    0.357055] pinctrl core: initialized pinctrl subsystem
[    0.492889] NET: Registered protocol family 16
[    0.504547] DMA: preallocated 256 KiB pool for atomic coherent allocations
[    0.508575] cpuidle: using governor ladder
[    0.508636] cpuidle: using governor menu
[    0.521026] Reprogramming SDRC clock to 332000000 Hz
[    0.537780] omap_gpio 48310000.gpio: could not find pctldev for node /ocp/pinmux@48002a00/pinmux_gpio1_pins, deferring probe
[    0.537841] platform 48310000.gpio: Driver omap_gpio requests probe deferral
[    0.543304] OMAP GPIO hardware version 2.5
[    0.561462] irq: no irq domain found for /ocp/pinmux@48002030 !
[    0.596923] omap-gpmc 6e000000.gpmc: GPMC revision 5.0
[    0.612426] No ATAGs?
[    0.612457] hw-breakpoint: debug architecture 0x4 unsupported.
[    0.617614] OMAP DMA hardware revision 4.0
[    0.742645] omap-dma-engine 48056000.dma-controller: OMAP DMA engine driver
[    0.744567] platform hsusb2_power_reg: Driver reg-fixed-voltage requests probe deferral
[    0.751892] SCSI subsystem initialized
[    0.754730] usbcore: registered new interface driver usbfs
[    0.755065] usbcore: registered new interface driver hub
[    0.755340] usbcore: registered new device driver usb
[    0.756591] platform hsusb2_phy: Driver usb_phy_generic requests probe deferral
[    0.765502] omap_i2c 48070000.i2c: bus 0 rev3.3 at 2600 kHz
[    0.767700] omap_i2c 48072000.i2c: bus 1 rev3.3 at 100 kHz
[    0.769714] omap_i2c 48060000.i2c: bus 2 rev3.3 at 100 kHz
[    0.778198] Switched to clocksource 32k_counter
[    1.067077] NET: Registered protocol family 2
[    1.070251] TCP established hash table entries: 2048 (order: 1, 8192 bytes)
[    1.070526] TCP bind hash table entries: 2048 (order: 4, 73728 bytes)
[    1.071899] TCP: Hash tables configured (established 2048 bind 2048)
[    1.072326] TCP: reno registered
[    1.072387] UDP hash table entries: 256 (order: 2, 20480 bytes)
[    1.072753] UDP-Lite hash table entries: 256 (order: 2, 20480 bytes)
[    1.074829] NET: Registered protocol family 1
[    1.077484] RPC: Registered named UNIX socket transport module.
[    1.077514] RPC: Registered udp transport module.
[    1.077545] RPC: Registered tcp transport module.
[    1.077545] RPC: Registered tcp NFSv4.1 backchannel transport module.
[    1.080169] hw perfevents: enabled with armv7_cortex_a8 PMU driver, 5 counters available
[    1.090911] futex hash table entries: 256 (order: 2, 16384 bytes)
[    1.091369] audit: initializing netlink subsys (disabled)
[    1.091796] audit: type=2000 audit(1.060:1): initialized
[    1.100097] VFS: Disk quotas dquot_6.5.2
[    1.100402] VFS: Dquot-cache hash table entries: 1024 (order 0, 4096 bytes)
[    1.104705] NFS: Registering the id_resolver key type
[    1.105407] Key type id_resolver registered
[    1.105438] Key type id_legacy registered
[    1.105743] jffs2: version 2.2. (NAND) (SUMMARY)  © 2001-2006 Red Hat, Inc.
[    1.113830] io scheduler noop registered
[    1.113891] io scheduler deadline registered
[    1.114074] io scheduler cfq registered (default)
[    1.120147] pinctrl-single 48002030.pinmux: 284 pins at pa fa002030 size 568
[    1.121215] pinctrl-single 48002a00.pinmux: 46 pins at pa fa002a00 size 92
[    1.122863] pinctrl-single 480025d8.pinmux: 18 pins at pa fa0025d8 size 36
[    1.133270] Serial: 8250/16550 driver, 4 ports, IRQ sharing enabled
[    1.145416] omap_uart 4806a000.serial: no wakeirq for uart0
[    1.146423] 4806a000.serial: ttyO0 at MMIO 0x4806a000 (irq = 192, base_baud = 3000000) is a OMAP UART0
[    1.149993] omap_uart 4806c000.serial: no wakeirq for uart0
[    1.150573] 4806c000.serial: ttyO1 at MMIO 0x4806c000 (irq = 193, base_baud = 3000000) is a OMAP UART1
[    1.153961] 49020000.serial: ttyO2 at MMIO 0x49020000 (irq = 194, base_baud = 3000000) is a OMAP UART2
[    1.557891] console [ttyO2] enabled
[    1.606292] brd: module loaded
[    1.634399] loop: module loaded
[    1.651794] twl 0-0048: PIH (irq 265) chaining IRQs 266..274
[    1.655487] twl 0-0048: power (irq 271) chaining IRQs 274..281
[    1.737213] twl4030_gpio twl4030-gpio: gpio (irq 266) chaining IRQs 282..299
[    1.761413] mtdoops: mtd device (mtddev=name/number) must be supplied
[    1.780151] usbcore: registered new interface driver asix
[    1.783386] usbcore: registered new interface driver ax88179_178a
[    1.786926] usbcore: registered new interface driver cdc_ether
[    1.790557] usbcore: registered new interface driver smsc95xx
[    1.793975] usbcore: registered new interface driver net1080
[    1.797302] usbcore: registered new interface driver cdc_subset
[    1.800872] usbcore: registered new interface driver zaurus
[    1.804321] usbcore: registered new interface driver cdc_ncm
[    1.809509] usbcore: registered new interface driver cdc_wdm
[    1.812988] usbcore: registered new interface driver usb-storage
[    1.816619] usbcore: registered new interface driver usbtest
[    1.824279] mousedev: PS/2 mouse device common for all mice
[    1.829254] twl4030_keypad 48070000.i2c:twl@48:keypad: OF: linux,keymap property not defined in /ocp/i2c@48070000/twl@48/keypad
[    1.835479] twl4030_keypad 48070000.i2c:twl@48:keypad: Failed to build keymap
[    1.839538] twl4030_keypad: probe of 48070000.i2c:twl@48:keypad failed with error -2
[    1.849151] input: twl4030_pwrbutton as /devices/platform/68000000.ocp/48070000.i2c/i2c-0/0-0048/48070000.i2c:twl@48:pwrbutton/input/input1
[    1.862304] twl_rtc 48070000.i2c:twl@48:rtc: Power up reset detected.
[    1.866119] twl_rtc 48070000.i2c:twl@48:rtc: Enabling TWL-RTC
[    1.875579] twl_rtc 48070000.i2c:twl@48:rtc: rtc core: registered 48070000.i2c:twl@48 as rtc0
[    1.881866] i2c /dev entries driver
[    1.888580] Driver for 1-wire Dallas network protocol.
[    1.897064] omap_wdt: OMAP Watchdog Timer Rev 0x31: initial timeout 60 sec
[    1.904479] Driver 'mmcblk' needs updating - please use bus_type methods
[    1.971771] ledtrig-cpu: registered to indicate activity on CPUs
[    1.976226] usbcore: registered new interface driver usbhid
[    1.979400] usbhid: USB HID core driver
[    1.985046] oprofile: using arm/armv7
[    1.988464] TCP: cubic registered
[    1.990356] Initializing XFRM netlink socket
[    1.992919] NET: Registered protocol family 17
[    1.995483] NET: Registered protocol family 15
[    1.998657] Key type dns_resolver registered
[    2.001434] omap2_set_init_voltage: unable to find boot up OPP for vdd_mpu_iva
[    2.005371] omap2_set_init_voltage: unable to set vdd_mpu_iva
[    2.008636] omap2_set_init_voltage: unable to find boot up OPP for vdd_core
[    2.012390] omap2_set_init_voltage: unable to set vdd_core
[    2.022277] ThumbEE CPU extension supported.
[    2.024688] Registering SWP/SWPB emulation handler
[    2.027313] SmartReflex Class3 initialized
[    2.060943] input: gpio_keys as /devices/platform/gpio_keys/input/input2
[    2.070404] twl_rtc 48070000.i2c:twl@48:rtc: setting system clock to 2000-01-01 00:00:00 UTC (946684800)
[    2.075653] sr_init: No PMIC hook to init smartreflex
[    2.079315] smartreflex smartreflex.0: omap_sr_probe: SmartReflex driver initialized
[    2.084960] smartreflex smartreflex.1: omap_sr_probe: SmartReflex driver initialized
[    2.202117] hsusb2_vbus: disabling
[    2.205810] VUSB3V1: disabling
[    2.208618] VUSB1V8: disabling
[    2.211242] VUSB1V5: disabling
[    2.214202] VDAC: disabling
[    2.217010] VAUX3: disabling
[    2.226531] Waiting for root device /dev/mmcblk0p2...
[    2.239501] mmc0: host does not support reading read-only switch, assuming write-enable
[    2.244232] mmc0: new SD card at address e624
[    2.250915] mmcblk0: mmc0:e624 SD01G 968 MiB 
[    2.262695]  mmcblk0: p1 p2
[    2.793609] kjournald starting.  Commit interval 5 seconds
[    2.803558] EXT3-fs (mmcblk0p2): using internal journal
[    2.897125] EXT3-fs (mmcblk0p2): recovery complete
[    2.899841] EXT3-fs (mmcblk0p2): mounted filesystem with ordered data mode
[    2.903808] VFS: Mounted root (ext3 filesystem) on device 179:2.
[    2.912292] devtmpfs: mounted
[    2.915588] Freeing unused kernel memory: 432K (c0862000 - c08ce000)
INIT: version 2.86 booting
Starting the hotplug events dispatcher udevd
[    4.269500] udevd (91): /proc/91/oom_adj is deprecated, please use /proc/91/oom_score_adj instead.
Synthesizing the initial hotplug events
[   17.820465] 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...
/usr/sbin/alsactl: load_state:1327: No soundcards found...
Starting Dropbear SSH server: [   27.160949] random: dropbear urandom read with 94 bits of entropy available
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[1424]: 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; don[   33.696533] random: nonblocking pool is initialized
e
-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:1075,INA:0,ON:1076,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:1075,INA:0,ON:1076,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:540,INA:535,ON:1076,RET-LOGIC-OFF:0
mpu_pwrdm (ON),OFF:0,RET:540,INA:535,ON:1076,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
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/ttyO2/power/wakeup
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
[   38.131072] PM: Syncing filesystems ... done.
[   38.343170] Freezing user space processes ... (elapsed 0.004 seconds) done.
[   38.351409] Freezing remaining freezable tasks ... (elapsed 0.003 seconds) done.
[   38.359191] Suspending console(s) (use no_console_suspend to debug)
[   38.402221] PM: suspend of devices complete after 31.066 msecs
[   38.413024] PM: late suspend of devices complete after 10.772 msecs
[   38.424774] PM: noirq suspend of devices complete after 11.688 msecs
[   38.424926] Disabling non-boot CPUs ...
[   38.424957] Successfully put all powerdomains to target state
[   38.431762] PM: noirq resume of devices complete after 6.713 msecs
[   38.432006] In-band Error seen by MPU  at address 0
[   38.432006] ------------[ cut here ]------------
[   38.432037] WARNING: CPU: 0 PID: 1478 at drivers/bus/omap_l3_smx.c:166 omap3_l3_app_irq+0xcc/0x124()
[   38.432067] Modules linked in:
[   38.432067] CPU: 0 PID: 1478 Comm: echo Not tainted 3.19.0-rc5-118754-gec6f34e #1
[   38.432098] Hardware name: Generic OMAP3-GP (Flattened Device Tree)
[   38.432159] [<c0015514>] (unwind_backtrace) from [<c0011bec>] (show_stack+0x10/0x14)
[   38.432189] [<c0011bec>] (show_stack) from [<c05d5764>] (dump_stack+0x80/0x9c)
[   38.432220] [<c05d5764>] (dump_stack) from [<c003e1b4>] (warn_slowpath_common+0x78/0xb4)
[   38.432220] [<c003e1b4>] (warn_slowpath_common) from [<c003e20c>] (warn_slowpath_null+0x1c/0x24)
[   38.432250] [<c003e20c>] (warn_slowpath_null) from [<c033b220>] (omap3_l3_app_irq+0xcc/0x124)
[   38.432281] [<c033b220>] (omap3_l3_app_irq) from [<c008d38c>] (handle_irq_event_percpu+0x60/0x1f4)
[   38.432312] [<c008d38c>] (handle_irq_event_percpu) from [<c008d55c>] (handle_irq_event+0x3c/0x5c)
[   38.432312] [<c008d55c>] (handle_irq_event) from [<c0090234>] (handle_level_irq+0xb4/0x13c)
[   38.432342] [<c0090234>] (handle_level_irq) from [<c008cc34>] (generic_handle_irq+0x20/0x30)
[   38.432373] [<c008cc34>] (generic_handle_irq) from [<c008cd4c>] (__handle_domain_irq+0x68/0xdc)
[   38.432403] [<c008cd4c>] (__handle_domain_irq) from [<c00086e4>] (omap_intc_handle_irq+0xb4/0xc4)
[   38.432403] [<c00086e4>] (omap_intc_handle_irq) from [<c05dbf64>] (__irq_svc+0x44/0x5c)
[   38.432434] Exception stack(0xcd01ddd0 to 0xcd01de18)
[   38.432434] ddc0:                                     00000001 ce57d768 00000000 ce57d180
[   38.432464] dde0: 60000013 ce152860 ce152860 c0923a98 00000000 c0947464 60000013 c09236b0
[   38.432495] de00: c0ac08d8 cd01de18 c0083778 c05dbae4 20000013 ffffffff
[   38.432525] [<c05dbf64>] (__irq_svc) from [<c05dbae4>] (_raw_spin_unlock_irqrestore+0x34/0x44)
[   38.432525] [<c05dbae4>] (_raw_spin_unlock_irqrestore) from [<c0093e64>] (resume_irqs+0x84/0xdc)
[   38.432586] [<c0093e64>] (resume_irqs) from [<c03aeb64>] (dpm_resume_noirq+0x210/0x2d4)
[   38.432617] [<c03aeb64>] (dpm_resume_noirq) from [<c0088878>] (suspend_devices_and_enter+0x324/0x600)
[   38.432647] [<c0088878>] (suspend_devices_and_enter) from [<c0088f50>] (pm_suspend+0x3fc/0x470)
[   38.432647] [<c0088f50>] (pm_suspend) from [<c0087550>] (state_store+0x68/0xb8)
[   38.432708] [<c0087550>] (state_store) from [<c0316db4>] (kobj_attr_store+0x14/0x20)
[   38.432739] [<c0316db4>] (kobj_attr_store) from [<c01b1f18>] (sysfs_kf_write+0x4c/0x50)
[   38.432739] [<c01b1f18>] (sysfs_kf_write) from [<c01b12f0>] (kernfs_fop_write+0xf0/0x19c)
[   38.432769] [<c01b12f0>] (kernfs_fop_write) from [<c0149b2c>] (vfs_write+0xa4/0x1ac)
[   38.432800] [<c0149b2c>] (vfs_write) from [<c0149e50>] (SyS_write+0x40/0x8c)
[   38.432830] [<c0149e50>] (SyS_write) from [<c000e820>] (ret_fast_syscall+0x0/0x48)
[   38.432830] ---[ end trace b7118ff3bae585a1 ]---
[   38.441406] PM: early resume of devices complete after 7.293 msecs
[   38.602050] PM: resume of devices complete after 160.522 msecs
[   38.781616] Restarting tasks ... done.
root@beagleboard:~# 
root@beagleboard:~# 
root@beagleboard:~# 
root@beagleboard:~# cat /debug/pm_debug/count
usbhost_pwrdm (ON),OFF:0,RET:1232,INA:0,ON:1233,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:1232,INA:0,ON:1233,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:670,INA:562,ON:1233,RET-LOGIC-OFF:0
mpu_pwrdm (ON),OFF:0,RET:670,INA:562,ON:1233,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
[   40.643798] PM: Syncing filesystems ... done.
[   40.991546] Freezing user space processes ... (elapsed 0.002 seconds) done.
[   40.997772] Freezing remaining freezable tasks ... (elapsed 0.002 seconds) done.
[   41.004333] Suspending console(s) (use no_console_suspend to debug)
[   41.034851] PM: suspend of devices complete after 18.890 msecs
[   41.045532] PM: late suspend of devices complete after 10.650 msecs
[   41.056518] PM: noirq suspend of devices complete after 10.955 msecs
[   41.056549] Disabling non-boot CPUs ...
[   41.056579] Successfully put all powerdomains to target state
[   41.063262] PM: noirq resume of devices complete after 6.591 msecs
[   41.063446] In-band Error seen by MPU  at address 0
[   41.063446] ------------[ cut here ]------------
[   41.063476] WARNING: CPU: 0 PID: 1482 at drivers/bus/omap_l3_smx.c:166 omap3_l3_app_irq+0xcc/0x124()
[   41.063507] Modules linked in:
[   41.063537] CPU: 0 PID: 1482 Comm: echo Tainted: G        W      3.19.0-rc5-118754-gec6f34e #1
[   41.063537] Hardware name: Generic OMAP3-GP (Flattened Device Tree)
[   41.063598] [<c0015514>] (unwind_backtrace) from [<c0011bec>] (show_stack+0x10/0x14)
[   41.063629] [<c0011bec>] (show_stack) from [<c05d5764>] (dump_stack+0x80/0x9c)
[   41.063659] [<c05d5764>] (dump_stack) from [<c003e1b4>] (warn_slowpath_common+0x78/0xb4)
[   41.063659] [<c003e1b4>] (warn_slowpath_common) from [<c003e20c>] (warn_slowpath_null+0x1c/0x24)
[   41.063690] [<c003e20c>] (warn_slowpath_null) from [<c033b220>] (omap3_l3_app_irq+0xcc/0x124)
[   41.063720] [<c033b220>] (omap3_l3_app_irq) from [<c008d38c>] (handle_irq_event_percpu+0x60/0x1f4)
[   41.063751] [<c008d38c>] (handle_irq_event_percpu) from [<c008d55c>] (handle_irq_event+0x3c/0x5c)
[   41.063781] [<c008d55c>] (handle_irq_event) from [<c0090234>] (handle_level_irq+0xb4/0x13c)
[   41.063781] [<c0090234>] (handle_level_irq) from [<c008cc34>] (generic_handle_irq+0x20/0x30)
[   41.063812] [<c008cc34>] (generic_handle_irq) from [<c008cd4c>] (__handle_domain_irq+0x68/0xdc)
[   41.063842] [<c008cd4c>] (__handle_domain_irq) from [<c00086e4>] (omap_intc_handle_irq+0xb4/0xc4)
[   41.063873] [<c00086e4>] (omap_intc_handle_irq) from [<c05dbf64>] (__irq_svc+0x44/0x5c)
[   41.063873] Exception stack(0xce31fdd0 to 0xce31fe18)
[   41.063873] fdc0:                                     00000001 ce59b728 00000000 ce59b140
[   41.063903] fde0: 60000013 ce152860 ce152860 c0923a98 00000000 c0947464 60000013 c09236b0
[   41.063934] fe00: c0ac08d8 ce31fe18 c0083778 c05dbae4 20000013 ffffffff
[   41.063964] [<c05dbf64>] (__irq_svc) from [<c05dbae4>] (_raw_spin_unlock_irqrestore+0x34/0x44)
[   41.063964] [<c05dbae4>] (_raw_spin_unlock_irqrestore) from [<c0093e64>] (resume_irqs+0x84/0xdc)
[   41.064025] [<c0093e64>] (resume_irqs) from [<c03aeb64>] (dpm_resume_noirq+0x210/0x2d4)
[   41.064056] [<c03aeb64>] (dpm_resume_noirq) from [<c0088878>] (suspend_devices_and_enter+0x324/0x600)
[   41.064086] [<c0088878>] (suspend_devices_and_enter) from [<c0088f50>] (pm_suspend+0x3fc/0x470)
[   41.064117] [<c0088f50>] (pm_suspend) from [<c0087550>] (state_store+0x68/0xb8)
[   41.064147] [<c0087550>] (state_store) from [<c0316db4>] (kobj_attr_store+0x14/0x20)
[   41.064178] [<c0316db4>] (kobj_attr_store) from [<c01b1f18>] (sysfs_kf_write+0x4c/0x50)
[   41.064208] [<c01b1f18>] (sysfs_kf_write) from [<c01b12f0>] (kernfs_fop_write+0xf0/0x19c)
[   41.064208] [<c01b12f0>] (kernfs_fop_write) from [<c0149b2c>] (vfs_write+0xa4/0x1ac)
[   41.064239] [<c0149b2c>] (vfs_write) from [<c0149e50>] (SyS_write+0x40/0x8c)
[   41.064270] [<c0149e50>] (SyS_write) from [<c000e820>] (ret_fast_syscall+0x0/0x48)
[   41.064270] ---[ end trace b7118ff3bae585a2 ]---
[   41.072845] PM: early resume of devices complete after 7.293 msecs
[   41.231079] PM: resume of devices complete after 158.050 msecs
[   41.410217] Restarting tasks ... done.
root@beagleboard:~# 
root@beagleboard:~# 
root@beagleboard:~# 
root@beagleboard:~# cat /debug/pm_debug/count
usbhost_pwrdm (ON),OFF:0,RET:1345,INA:0,ON:1346,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:1345,INA:0,ON:1346,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:774,INA:571,ON:1346,RET-LOGIC-OFF:0
mpu_pwrdm (ON),OFF:0,RET:774,INA:571,ON:1346,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:1552,INA:0,ON:1553,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:27,INA:3,ON:31,RET-LOGIC-OFF:0,RET-MEMBANK1-OFF:0,RET-MEMBANK2-OFF:0
per_pwrdm (ON),OFF:0,RET:30,INA:0,ON:31,RET-LOGIC-OFF:0,RET-MEMBANK1-OFF:0
dss_pwrdm (ON),OFF:0,RET:1552,INA:0,ON:1553,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:972,INA:580,ON:1553,RET-LOGIC-OFF:0
mpu_pwrdm (ON),OFF:0,RET:972,INA:580,ON:1553,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
[   62.072204] PM: Syncing filesystems ... done.
[   62.360229] Freezing user space processes ... (elapsed 0.002 seconds) done.
[   62.366302] Freezing remaining freezable tasks ... (elapsed 0.002 seconds) done.
[   62.372955] Suspending console(s) (use no_console_suspend to debug)
[   62.403869] PM: suspend of devices complete after 19.256 msecs
[   62.414489] PM: late suspend of devices complete after 10.559 msecs
[   62.425415] PM: noirq suspend of devices complete after 10.894 msecs
[   62.425445] Disabling non-boot CPUs ...
[   62.425476] Successfully put all powerdomains to target state
[   62.446594] PM: noirq resume of devices complete after 21.026 msecs
[   62.446777] In-band Error seen by MPU  at address 0
[   62.446777] ------------[ cut here ]------------
[   62.446838] WARNING: CPU: 0 PID: 1519 at drivers/bus/omap_l3_smx.c:166 omap3_l3_app_irq+0xcc/0x124()
[   62.446838] Modules linked in:
[   62.446868] CPU: 0 PID: 1519 Comm: echo Tainted: G        W      3.19.0-rc5-118754-gec6f34e #1
[   62.446868] Hardware name: Generic OMAP3-GP (Flattened Device Tree)
[   62.446929] [<c0015514>] (unwind_backtrace) from [<c0011bec>] (show_stack+0x10/0x14)
[   62.446960] [<c0011bec>] (show_stack) from [<c05d5764>] (dump_stack+0x80/0x9c)
[   62.446990] [<c05d5764>] (dump_stack) from [<c003e1b4>] (warn_slowpath_common+0x78/0xb4)
[   62.447021] [<c003e1b4>] (warn_slowpath_common) from [<c003e20c>] (warn_slowpath_null+0x1c/0x24)
[   62.447021] [<c003e20c>] (warn_slowpath_null) from [<c033b220>] (omap3_l3_app_irq+0xcc/0x124)
[   62.447051] [<c033b220>] (omap3_l3_app_irq) from [<c008d38c>] (handle_irq_event_percpu+0x60/0x1f4)
[   62.447082] [<c008d38c>] (handle_irq_event_percpu) from [<c008d55c>] (handle_irq_event+0x3c/0x5c)
[   62.447113] [<c008d55c>] (handle_irq_event) from [<c0090234>] (handle_level_irq+0xb4/0x13c)
[   62.447143] [<c0090234>] (handle_level_irq) from [<c008cc34>] (generic_handle_irq+0x20/0x30)
[   62.447143] [<c008cc34>] (generic_handle_irq) from [<c008cd4c>] (__handle_domain_irq+0x68/0xdc)
[   62.447174] [<c008cd4c>] (__handle_domain_irq) from [<c00086e4>] (omap_intc_handle_irq+0xb4/0xc4)
[   62.447204] [<c00086e4>] (omap_intc_handle_irq) from [<c05dbf64>] (__irq_svc+0x44/0x5c)
[   62.447204] Exception stack(0xce5e5dd0 to 0xce5e5e18)
[   62.447235] 5dc0:                                     00000001 ce7139a8 00000000 ce7133c0
[   62.447235] 5de0: 60000153 ce152860 ce152860 c0923a98 00000000 c0947464 60000153 c09236b0
[   62.447265] 5e00: c0ac08d8 ce5e5e18 c0083778 c05dbae4 20000153 ffffffff
[   62.447296] [<c05dbf64>] (__irq_svc) from [<c05dbae4>] (_raw_spin_unlock_irqrestore+0x34/0x44)
[   62.447326] [<c05dbae4>] (_raw_spin_unlock_irqrestore) from [<c0093e64>] (resume_irqs+0x84/0xdc)
[   62.447357] [<c0093e64>] (resume_irqs) from [<c03aeb64>] (dpm_resume_noirq+0x210/0x2d4)
[   62.447387] [<c03aeb64>] (dpm_resume_noirq) from [<c0088878>] (suspend_devices_and_enter+0x324/0x600)
[   62.447418] [<c0088878>] (suspend_devices_and_enter) from [<c0088f50>] (pm_suspend+0x3fc/0x470)
[   62.447448] [<c0088f50>] (pm_suspend) from [<c0087550>] (state_store+0x68/0xb8)
[   62.447479] [<c0087550>] (state_store) from [<c0316db4>] (kobj_attr_store+0x14/0x20)
[   62.447509] [<c0316db4>] (kobj_attr_store) from [<c01b1f18>] (sysfs_kf_write+0x4c/0x50)
[   62.447540] [<c01b1f18>] (sysfs_kf_write) from [<c01b12f0>] (kernfs_fop_write+0xf0/0x19c)
[   62.447570] [<c01b12f0>] (kernfs_fop_write) from [<c0149b2c>] (vfs_write+0xa4/0x1ac)
[   62.447601] [<c0149b2c>] (vfs_write) from [<c0149e50>] (SyS_write+0x40/0x8c)
[   62.447601] [<c0149e50>] (SyS_write) from [<c000e820>] (ret_fast_syscall+0x0/0x48)
[   62.447631] ---[ end trace b7118ff3bae585a3 ]---
[   62.456146] PM: early resume of devices complete after 7.110 msecs
[   62.610931] PM: resume of devices complete after 154.632 msecs
[   62.790008] Restarting tasks ... done.
root@beagleboard:~# 
root@beagleboard:~# 
root@beagleboard:~# 
root@beagleboard:~# cat /debug/pm_debug/count
usbhost_pwrdm (ON),OFF:64,RET:1666,INA:0,ON:1731,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:27,INA:3,ON:32,RET-LOGIC-OFF:0,RET-MEMBANK1-OFF:0,RET-MEMBANK2-OFF:0
per_pwrdm (ON),OFF:1,RET:30,INA:0,ON:32,RET-LOGIC-OFF:0,RET-MEMBANK1-OFF:0
dss_pwrdm (ON),OFF:64,RET:1666,INA:0,ON:1731,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:1133,INA:596,ON:1731,RET-LOGIC-OFF:0
mpu_pwrdm (ON),OFF:1,RET:1133,INA:596,ON:1731,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
[   64.642120] PM: Syncing filesystems ... done.
[   64.986572] Freezing user space processes ... (elapsed 0.002 seconds) done.
[   64.992828] Freezing remaining freezable tasks ... (elapsed 0.002 seconds) done.
[   64.999328] Suspending console(s) (use no_console_suspend to debug)
[   65.030242] PM: suspend of devices complete after 19.256 msecs
[   65.040954] PM: late suspend of devices complete after 10.681 msecs
[   65.051940] PM: noirq suspend of devices complete after 10.955 msecs
[   65.051971] Disabling non-boot CPUs ...
[   65.052001] Successfully put all powerdomains to target state
[   65.073272] PM: noirq resume of devices complete after 21.148 msecs
[   65.073455] In-band Error seen by MPU  at address 0
[   65.073455] ------------[ cut here ]------------
[   65.073516] WARNING: CPU: 0 PID: 1521 at drivers/bus/omap_l3_smx.c:166 omap3_l3_app_irq+0xcc/0x124()
[   65.073516] Modules linked in:
[   65.073547] CPU: 0 PID: 1521 Comm: echo Tainted: G        W      3.19.0-rc5-118754-gec6f34e #1
[   65.073547] Hardware name: Generic OMAP3-GP (Flattened Device Tree)
[   65.073608] [<c0015514>] (unwind_backtrace) from [<c0011bec>] (show_stack+0x10/0x14)
[   65.073638] [<c0011bec>] (show_stack) from [<c05d5764>] (dump_stack+0x80/0x9c)
[   65.073669] [<c05d5764>] (dump_stack) from [<c003e1b4>] (warn_slowpath_common+0x78/0xb4)
[   65.073699] [<c003e1b4>] (warn_slowpath_common) from [<c003e20c>] (warn_slowpath_null+0x1c/0x24)
[   65.073730] [<c003e20c>] (warn_slowpath_null) from [<c033b220>] (omap3_l3_app_irq+0xcc/0x124)
[   65.073730] [<c033b220>] (omap3_l3_app_irq) from [<c008d38c>] (handle_irq_event_percpu+0x60/0x1f4)
[   65.073760] [<c008d38c>] (handle_irq_event_percpu) from [<c008d55c>] (handle_irq_event+0x3c/0x5c)
[   65.073791] [<c008d55c>] (handle_irq_event) from [<c0090234>] (handle_level_irq+0xb4/0x13c)
[   65.073822] [<c0090234>] (handle_level_irq) from [<c008cc34>] (generic_handle_irq+0x20/0x30)
[   65.073852] [<c008cc34>] (generic_handle_irq) from [<c008cd4c>] (__handle_domain_irq+0x68/0xdc)
[   65.073852] [<c008cd4c>] (__handle_domain_irq) from [<c00086e4>] (omap_intc_handle_irq+0xb4/0xc4)
[   65.073883] [<c00086e4>] (omap_intc_handle_irq) from [<c05dbf64>] (__irq_svc+0x44/0x5c)
[   65.073883] Exception stack(0xce5e5dd0 to 0xce5e5e18)
[   65.073913] 5dc0:                                     00000001 ce7139a8 00000000 ce7133c0
[   65.073944] 5de0: 60000153 ce152860 ce152860 c0923a98 00000000 c0947464 60000153 c09236b0
[   65.073944] 5e00: c0ac08d8 ce5e5e18 c0083778 c05dbae4 20000153 ffffffff
[   65.073974] [<c05dbf64>] (__irq_svc) from [<c05dbae4>] (_raw_spin_unlock_irqrestore+0x34/0x44)
[   65.074005] [<c05dbae4>] (_raw_spin_unlock_irqrestore) from [<c0093e64>] (resume_irqs+0x84/0xdc)
[   65.074035] [<c0093e64>] (resume_irqs) from [<c03aeb64>] (dpm_resume_noirq+0x210/0x2d4)
[   65.074066] [<c03aeb64>] (dpm_resume_noirq) from [<c0088878>] (suspend_devices_and_enter+0x324/0x600)
[   65.074096] [<c0088878>] (suspend_devices_and_enter) from [<c0088f50>] (pm_suspend+0x3fc/0x470)
[   65.074127] [<c0088f50>] (pm_suspend) from [<c0087550>] (state_store+0x68/0xb8)
[   65.074157] [<c0087550>] (state_store) from [<c0316db4>] (kobj_attr_store+0x14/0x20)
[   65.074188] [<c0316db4>] (kobj_attr_store) from [<c01b1f18>] (sysfs_kf_write+0x4c/0x50)
[   65.074218] [<c01b1f18>] (sysfs_kf_write) from [<c01b12f0>] (kernfs_fop_write+0xf0/0x19c)
[   65.074249] [<c01b12f0>] (kernfs_fop_write) from [<c0149b2c>] (vfs_write+0xa4/0x1ac)
[   65.074279] [<c0149b2c>] (vfs_write) from [<c0149e50>] (SyS_write+0x40/0x8c)
[   65.074279] [<c0149e50>] (SyS_write) from [<c000e820>] (ret_fast_syscall+0x0/0x48)
[   65.074310] ---[ end trace b7118ff3bae585a4 ]---
[   65.082885] PM: early resume of devices complete after 7.293 msecs
[   65.240478] PM: resume of devices complete after 157.440 msecs
[   65.419586] Restarting tasks ... done.
root@beagleboard:~# 
root@beagleboard:~# 
root@beagleboard:~# 
root@beagleboard:~# cat /debug/pm_debug/count
usbhost_pwrdm (ON),OFF:180,RET:1666,INA:0,ON:1847,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:27,INA:3,ON:33,RET-LOGIC-OFF:0,RET-MEMBANK1-OFF:0,RET-MEMBANK2-OFF:0
per_pwrdm (ON),OFF:2,RET:30,INA:0,ON:33,RET-LOGIC-OFF:0,RET-MEMBANK1-OFF:0
dss_pwrdm (ON),OFF:180,RET:1666,INA:0,ON:1847,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:1229,INA:615,ON:1847,RET-LOGIC-OFF:0
mpu_pwrdm (ON),OFF:2,RET:1229,INA:615,ON:1847,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 00:18 /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:373,RET:1666,INA:0,ON:2040,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:23,RET:27,INA:3,ON:54,RET-LOGIC-OFF:0,RET-MEMBANK1-OFF:0,RET-MEMBANK2-OFF:0
per_pwrdm (ON),OFF:23,RET:30,INA:0,ON:54,RET-LOGIC-OFF:0,RET-MEMBANK1-OFF:0
dss_pwrdm (ON),OFF:373,RET:1666,INA:0,ON:2040,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:23,RET:1393,INA:623,ON:2040,RET-LOGIC-OFF:0
mpu_pwrdm (ON),OFF:23,RET:1393,INA:623,ON:2040,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