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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
Modem - CRC mode, 5(SOH)/4674(STX)/0(CAN) packets, 3 retries
## Total Size      = 0x00490966 = 4786534 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:    4786470 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-rc3-118223-gb1940cd (paul@knihy) (gcc version 4.7.2 (Debian 4.7.2-5) ) #1 SMP Mon Jan 5 22:55:21 MST 2015
[    0.000000] CPU: ARMv7 Processor [411fc083] revision 3 (ARMv7), cr=10c5387d
[    0.000000] CPU: PIPT / VIPT nonaliasing data cache, VIPT nonaliasing instruction cache
[    0.000000] Machine model: TI OMAP3 BeagleBoard
[    0.000000] cma: Reserved 16 MiB at 0x8e800000
[    0.000000] Memory policy: Data cache writeback
[    0.000000] CPU: All CPU(s) started in SVC mode.
[    0.000000] OMAP3430/3530 ES3.0 (l2cache iva sgx neon isp )
[    0.000000] PERCPU: Embedded 11 pages/cpu @cfc3c000 s14912 r8192 d21952 u45056
[    0.000000] Built 1 zonelists in Zone order, mobility grouping on.  Total pages: 64704
[    0.000000] Kernel command line: console=ttyO2,230400n8 root=/dev/mmcblk0p2 rw rootfstype=ext3 rootwait earlyprintk
[    0.000000] PID hash table entries: 1024 (order: 0, 4096 bytes)
[    0.000000] Dentry cache hash table entries: 32768 (order: 5, 131072 bytes)
[    0.000000] Inode-cache hash table entries: 16384 (order: 4, 65536 bytes)
[    0.000000] Memory: 223760K/261120K available (6190K kernel code, 674K rwdata, 2356K rodata, 428K init, 8221K bss, 20976K reserved, 16384K cma-reserved, 0K highmem)
[    0.000000] Virtual kernel memory layout:
[    0.000000]     vector  : 0xffff0000 - 0xffff1000   (   4 kB)
[    0.000000]     fixmap  : 0xffc00000 - 0xfff00000   (3072 kB)
[    0.000000]     vmalloc : 0xd0800000 - 0xff000000   ( 744 MB)
[    0.000000]     lowmem  : 0xc0000000 - 0xd0000000   ( 256 MB)
[    0.000000]     pkmap   : 0xbfe00000 - 0xc0000000   (   2 MB)
[    0.000000]     modules : 0xbf000000 - 0xbfe00000   (  14 MB)
[    0.000000]       .text : 0xc0008000 - 0xc0860d10   (8548 kB)
[    0.000000]       .init : 0xc0861000 - 0xc08cc000   ( 428 kB)
[    0.000000]       .data : 0xc08cc000 - 0xc0974b28   ( 675 kB)
[    0.000000]        .bss : 0xc0974b28 - 0xc117c290   (8222 kB)
[    0.000000] Hierarchical RCU implementation.
[    0.000000] 	RCU restricting CPUs from NR_CPUS=2 to nr_cpu_ids=1.
[    0.000000] RCU: Adjusting geometry for rcu_fanout_leaf=16, nr_cpu_ids=1
[    0.000000] NR_IRQS:16 nr_irqs:16 16
[    0.000000] IRQ: Found an INTC at 0xfa200000 (revision 4.0) with 96 interrupts
[    0.000000] Clocking rate (Crystal/Core/MPU): 26.0/332/500 MHz
[    0.000000] OMAP clockevent source: timer12 at 32768 Hz
[    0.000030] sched_clock: 32 bits at 32kHz, resolution 30517ns, wraps every 65536000000000ns
[    0.000061] OMAP clocksource: 32k_counter at 32768 Hz
[    0.001586] 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
[    0.001739] ... MAX_LOCKDEP_KEYS:        8191
[    0.001739] ... CLASSHASH_SIZE:          4096
[    0.001770] ... MAX_LOCKDEP_ENTRIES:     32768
[    0.001770] ... MAX_LOCKDEP_CHAINS:      65536
[    0.001800] ... 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... 466.94 BogoMIPS (lpj=2334720)
[    0.091522] pid_max: default: 32768 minimum: 301
[    0.092224] Security Framework initialized
[    0.092559] Mount-cache hash table entries: 1024 (order: 0, 4096 bytes)
[    0.092590] Mountpoint-cache hash table entries: 1024 (order: 0, 4096 bytes)
[    0.098205] Initializing cgroup subsys memory
[    0.098327] Initializing cgroup subsys devices
[    0.098480] Initializing cgroup subsys freezer
[    0.098632] Initializing cgroup subsys blkio
[    0.098785] Initializing cgroup subsys perf_event
[    0.098937] CPU: Testing write buffer coherency: ok
[    0.101379] CPU0: thread -1, cpu 0, socket -1, mpidr 0
[    0.101623] Setting up static identity map for 0x805dd9d0 - 0x805dda40
[    0.107910] Brought up 1 CPUs
[    0.107940] SMP: Total of 1 processors activated (466.94 BogoMIPS).
[    0.107971] CPU: All CPU(s) started in SVC mode.
[    0.113922] devtmpfs: initialized
[    0.117889] VFP support v0.3: implementor 41 architecture 3 part 30 variant c rev 1
[    0.224548] omap_hwmod: mcbsp2_sidetone using broken dt data from mcbsp
[    0.227539] omap_hwmod: mcbsp3_sidetone using broken dt data from mcbsp
[    0.337615] pinctrl core: initialized pinctrl subsystem
[    0.475402] NET: Registered protocol family 16
[    0.487457] DMA: preallocated 256 KiB pool for atomic coherent allocations
[    0.491668] cpuidle: using governor ladder
[    0.491729] cpuidle: using governor menu
[    0.504119] Reprogramming SDRC clock to 332000000 Hz
[    0.521087] omap_gpio 48310000.gpio: could not find pctldev for node /ocp/pinmux@48002a00/pinmux_gpio1_pins, deferring probe
[    0.521179] platform 48310000.gpio: Driver omap_gpio requests probe deferral
[    0.526550] OMAP GPIO hardware version 2.5
[    0.545104] irq: no irq domain found for /ocp/pinmux@48002030 !
[    0.580871] omap-gpmc 6e000000.gpmc: GPMC revision 5.0
[    0.596649] No ATAGs?
[    0.596710] hw-breakpoint: debug architecture 0x4 unsupported.
[    0.601776] OMAP DMA hardware revision 4.0
[    0.728698] omap-dma-engine 48056000.dma-controller: OMAP DMA engine driver
[    0.730621] platform hsusb2_power_reg: Driver reg-fixed-voltage requests probe deferral
[    0.738067] SCSI subsystem initialized
[    0.740905] usbcore: registered new interface driver usbfs
[    0.741271] usbcore: registered new interface driver hub
[    0.741546] usbcore: registered new device driver usb
[    0.742828] platform hsusb2_phy: Driver usb_phy_generic requests probe deferral
[    0.751617] omap_i2c 48070000.i2c: bus 0 rev3.3 at 2600 kHz
[    0.753845] omap_i2c 48072000.i2c: bus 1 rev3.3 at 100 kHz
[    0.756072] omap_i2c 48060000.i2c: bus 2 rev3.3 at 100 kHz
[    0.764404] Switched to clocksource 32k_counter
[    1.059417] NET: Registered protocol family 2
[    1.062408] TCP established hash table entries: 2048 (order: 1, 8192 bytes)
[    1.062713] TCP bind hash table entries: 2048 (order: 4, 73728 bytes)
[    1.064270] TCP: Hash tables configured (established 2048 bind 2048)
[    1.064697] TCP: reno registered
[    1.064758] UDP hash table entries: 256 (order: 2, 20480 bytes)
[    1.065155] UDP-Lite hash table entries: 256 (order: 2, 20480 bytes)
[    1.067230] NET: Registered protocol family 1
[    1.069854] RPC: Registered named UNIX socket transport module.
[    1.069885] RPC: Registered udp transport module.
[    1.069915] RPC: Registered tcp transport module.
[    1.069946] RPC: Registered tcp NFSv4.1 backchannel transport module.
[    1.072357] hw perfevents: enabled with armv7_cortex_a8 PMU driver, 5 counters available
[    1.083282] futex hash table entries: 256 (order: 2, 16384 bytes)
[    1.083801] audit: initializing netlink subsys (disabled)
[    1.084411] audit: type=2000 audit(1.110:1): initialized
[    1.092437] VFS: Disk quotas dquot_6.5.2
[    1.092742] VFS: Dquot-cache hash table entries: 1024 (order 0, 4096 bytes)
[    1.097503] NFS: Registering the id_resolver key type
[    1.098205] Key type id_resolver registered
[    1.098236] Key type id_legacy registered
[    1.098571] jffs2: version 2.2. (NAND) (SUMMARY)  © 2001-2006 Red Hat, Inc.
[    1.106842] io scheduler noop registered
[    1.106903] io scheduler deadline registered
[    1.107086] io scheduler cfq registered (default)
[    1.113067] pinctrl-single 48002030.pinmux: 284 pins at pa fa002030 size 568
[    1.114410] pinctrl-single 48002a00.pinmux: 46 pins at pa fa002a00 size 92
[    1.116119] pinctrl-single 480025d8.pinmux: 18 pins at pa fa0025d8 size 36
[    1.126770] Serial: 8250/16550 driver, 4 ports, IRQ sharing enabled
[    1.139221] omap_uart 4806a000.serial: no wakeirq for uart0
[    1.140228] omap_uart 4806a000.serial: ttyO0 at MMIO 0x4806a000 (irq = 192, base_baud = 3000000) is a OMAP UART0
[    1.143768] omap_uart 4806c000.serial: no wakeirq for uart0
[    1.144653] omap_uart 4806c000.serial: ttyO1 at MMIO 0x4806c000 (irq = 193, base_baud = 3000000) is a OMAP UART1
[    1.148162] omap_uart 49020000.serial: ttyO2 at MMIO 0x49020000 (irq = 194, base_baud = 3000000) is a OMAP UART2
[    1.556915] console [ttyO2] enabled
[    1.606506] brd: module loaded
[    1.634979] loop: module loaded
[    1.652435] twl 0-0048: PIH (irq 265) chaining IRQs 266..274
[    1.656249] twl 0-0048: power (irq 271) chaining IRQs 274..281
[    1.737670] twl4030_gpio twl4030-gpio: gpio (irq 266) chaining IRQs 282..299
[    1.761993] mtdoops: mtd device (mtddev=name/number) must be supplied
[    1.780792] usbcore: registered new interface driver asix
[    1.784088] usbcore: registered new interface driver ax88179_178a
[    1.787841] usbcore: registered new interface driver cdc_ether
[    1.791381] usbcore: registered new interface driver smsc95xx
[    1.794891] usbcore: registered new interface driver net1080
[    1.798278] usbcore: registered new interface driver cdc_subset
[    1.801757] usbcore: registered new interface driver zaurus
[    1.805297] usbcore: registered new interface driver cdc_ncm
[    1.810424] usbcore: registered new interface driver cdc_wdm
[    1.813964] usbcore: registered new interface driver usb-storage
[    1.817749] usbcore: registered new interface driver usbtest
[    1.825683] mousedev: PS/2 mouse device common for all mice
[    1.830474] twl4030_keypad 48070000.i2c:twl@48:keypad: OF: linux,keymap property not defined in /ocp/i2c@48070000/twl@48/keypad
[    1.836914] twl4030_keypad 48070000.i2c:twl@48:keypad: Failed to build keymap
[    1.840911] twl4030_keypad: probe of 48070000.i2c:twl@48:keypad failed with error -2
[    1.850463] input: twl4030_pwrbutton as /devices/platform/68000000.ocp/48070000.i2c/i2c-0/0-0048/48070000.i2c:twl@48:pwrbutton/input/input1
[    1.863586] twl_rtc 48070000.i2c:twl@48:rtc: Power up reset detected.
[    1.867553] twl_rtc 48070000.i2c:twl@48:rtc: Enabling TWL-RTC
[    1.877166] twl_rtc 48070000.i2c:twl@48:rtc: rtc core: registered 48070000.i2c:twl@48 as rtc0
[    1.883392] i2c /dev entries driver
[    1.890075] Driver for 1-wire Dallas network protocol.
[    1.898803] omap_wdt: OMAP Watchdog Timer Rev 0x31: initial timeout 60 sec
[    1.906280] Driver 'mmcblk' needs updating - please use bus_type methods
[    1.977264] ledtrig-cpu: registered to indicate activity on CPUs
[    1.981750] usbcore: registered new interface driver usbhid
[    1.984924] usbhid: USB HID core driver
[    1.990631] oprofile: using arm/armv7
[    1.993957] TCP: cubic registered
[    1.995971] Initializing XFRM netlink socket
[    1.998565] NET: Registered protocol family 17
[    2.001159] NET: Registered protocol family 15
[    2.005615] Key type dns_resolver registered
[    2.008422] omap2_set_init_voltage: unable to find boot up OPP for vdd_mpu_iva
[    2.012390] omap2_set_init_voltage: unable to set vdd_mpu_iva
[    2.015655] omap2_set_init_voltage: unable to find boot up OPP for vdd_core
[    2.019470] omap2_set_init_voltage: unable to set vdd_core
[    2.026245] PM: no software I/O chain control; some wakeups may be lost
[    2.033111] ThumbEE CPU extension supported.
[    2.035644] Registering SWP/SWPB emulation handler
[    2.038299] SmartReflex Class3 initialized
[    2.072418] input: gpio_keys as /devices/platform/gpio_keys/input/input2
[    2.080474] twl_rtc 48070000.i2c:twl@48:rtc: setting system clock to 2000-01-01 00:00:00 UTC (946684800)
[    2.085784] sr_init: No PMIC hook to init smartreflex
[    2.089355] smartreflex smartreflex.0: omap_sr_probe: SmartReflex driver initialized
[    2.094268] smartreflex smartreflex.0: omap_sr_probe: smartreflex_mpu_iva: No Voltage table for the corresponding vdd. Cannot create debugfs entries for n-values
[    2.102996] smartreflex: probe of smartreflex.0 failed with error -61
[    2.106964] smartreflex smartreflex.1: omap_sr_probe: SmartReflex driver initialized
[    2.111572] smartreflex smartreflex.1: omap_sr_probe: smartreflex_core: No Voltage table for the corresponding vdd. Cannot create debugfs entries for n-values
[    2.119750] smartreflex: probe of smartreflex.1 failed with error -61
[    2.123504] sr_init: platform driver register failed for SR
[    2.242034] hsusb2_vbus: disabling
[    2.245819] VUSB3V1: disabling
[    2.248840] VUSB1V8: disabling
[    2.251678] VUSB1V5: disabling
[    2.256713] VDAC: disabling
[    2.259796] VAUX3: disabling
[    2.265319] mmc0: host does not support reading read-only switch, assuming write-enable
[    2.273986] Waiting for root device /dev/mmcblk0p2...
[    2.278137] mmc0: new SD card at address 8001
[    2.284881] mmcblk0: mmc0:8001 SD02G 1.89 GiB 
[    2.295623]  mmcblk0: p1 p2
[    3.686767] kjournald starting.  Commit interval 5 seconds
[    3.690368] EXT3-fs (mmcblk0p2): warning: maximal mount count reached, running e2fsck is recommended
[    3.875335] EXT3-fs (mmcblk0p2): using internal journal
[    3.883209] EXT3-fs (mmcblk0p2): recovery complete
[    3.885955] EXT3-fs (mmcblk0p2): mounted filesystem with ordered data mode
[    3.889923] VFS: Mounted root (ext3 filesystem) on device 179:2.
[    3.900054] devtmpfs: mounted
[    3.903411] Freeing unused kernel memory: 428K (c0861000 - c08cc000)
INIT: version 2.86 booting
Starting the hotplug events dispatcher udevd
[    5.325714] udevd (91): /proc/91/oom_adj is deprecated, please use /proc/91/oom_score_adj instead.
Synthesizing the initial hotplug events
[   18.725189] 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-rc3-118223-gb1940cd: No such file or directory
FATAL: Could not open /lib/modules/3.19.0-rc3-118223-gb1940cd/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-rc3-118223-gb1940cd/modules.dep: No such file or directory

modprobe: FATAL: Could not load /lib/modules/3.19.0-rc3-118223-gb1940cd/modules.dep: No such file or directory

ifconfig: SIOCGIFFLAGS: No such device
modprobe: FATAL: Could not load /lib/modules/3.19.0-rc3-118223-gb1940cd/modules.dep: No such file or directory

modprobe: FATAL: Could not load /lib/modules/3.19.0-rc3-118223-gb1940cd/modules.dep: No such file or directory

modprobe: FATAL: Could not load /lib/modules/3.19.0-rc3-118223-gb1940cd/modules.dep: No such file or directory

modprobe: FATAL: Could not load /lib/modules/3.19.0-rc3-118223-gb1940cd/modules.dep: No such file or directory

eth0      No such device

modprobe: FATAL: Could not load /lib/modules/3.19.0-rc3-118223-gb1940cd/modules.dep: No such file or directory

modprobe: FATAL: Could not load /lib/modules/3.19.0-rc3-118223-gb1940cd/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...
[   27.360595] 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-rc3-118223-gb1940cd/modules.dep: No such file or directory

modprobe: FATAL: Could not load /lib/modules/3.19.0-rc3-118223-gb1940cd/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-rc3-118223-gb1940cd/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[1427]: 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:1043,INA:0,ON:1044,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:1043,INA:0,ON:1044,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:582,INA:461,ON:1044,RET-LOGIC-OFF:0
mpu_pwrdm (ON),OFF:0,RET:582,INA:461,ON:1044,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
[   38.121551] PM: Syncing filesystems ... done.
[   38.716217] Freezing user space processes ... (elapsed 0.006 seconds) done.
[   38.726226] Freezing remaining freezable tasks ... (elapsed 0.003 seconds) done.
[   38.734161] Suspending console(s) (use no_console_suspend to debug)
[   38.777374] PM: suspend of devices complete after 31.219 msecs
[   38.788085] PM: late suspend of devices complete after 10.681 msecs
[   38.799896] PM: noirq suspend of devices complete after 11.779 msecs
[   38.800048] Disabling non-boot CPUs ...
[   38.800109] Successfully put all powerdomains to target state
[   38.806854] PM: noirq resume of devices complete after 6.652 msecs
[   38.807098] In-band Error seen by MPU  at address 0
[   38.807098] ------------[ cut here ]------------
[   38.807128] WARNING: CPU: 0 PID: 1481 at drivers/bus/omap_l3_smx.c:166 omap3_l3_app_irq+0xcc/0x124()
[   38.807159] Modules linked in:
[   38.807189] CPU: 0 PID: 1481 Comm: echo Not tainted 3.19.0-rc3-118223-gb1940cd #1
[   38.807189] Hardware name: Generic OMAP3-GP (Flattened Device Tree)
[   38.807250] [<c0015514>] (unwind_backtrace) from [<c0011bec>] (show_stack+0x10/0x14)
[   38.807281] [<c0011bec>] (show_stack) from [<c05d5388>] (dump_stack+0x80/0x9c)
[   38.807312] [<c05d5388>] (dump_stack) from [<c003e164>] (warn_slowpath_common+0x78/0xb4)
[   38.807312] [<c003e164>] (warn_slowpath_common) from [<c003e1bc>] (warn_slowpath_null+0x1c/0x24)
[   38.807342] [<c003e1bc>] (warn_slowpath_null) from [<c033af14>] (omap3_l3_app_irq+0xcc/0x124)
[   38.807373] [<c033af14>] (omap3_l3_app_irq) from [<c008d390>] (handle_irq_event_percpu+0x60/0x1f4)
[   38.807403] [<c008d390>] (handle_irq_event_percpu) from [<c008d560>] (handle_irq_event+0x3c/0x5c)
[   38.807434] [<c008d560>] (handle_irq_event) from [<c0090238>] (handle_level_irq+0xb4/0x13c)
[   38.807434] [<c0090238>] (handle_level_irq) from [<c008cc38>] (generic_handle_irq+0x20/0x30)
[   38.807464] [<c008cc38>] (generic_handle_irq) from [<c008cd50>] (__handle_domain_irq+0x68/0xdc)
[   38.807495] [<c008cd50>] (__handle_domain_irq) from [<c00086e4>] (omap_intc_handle_irq+0xb4/0xc4)
[   38.807495] [<c00086e4>] (omap_intc_handle_irq) from [<c05dbba4>] (__irq_svc+0x44/0x5c)
[   38.807525] Exception stack(0xce593dd0 to 0xce593e18)
[   38.807525] 3dc0:                                     00000001 ce524b28 00000000 ce524540
[   38.807556] 3de0: 60000013 ce152860 ce152860 c0921a98 00000000 c0945464 60000013 c09216b0
[   38.807556] 3e00: c0abec08 ce593e18 c008377c c05db70c 20000013 ffffffff
[   38.807586] [<c05dbba4>] (__irq_svc) from [<c05db70c>] (_raw_spin_unlock_irqrestore+0x34/0x44)
[   38.807617] [<c05db70c>] (_raw_spin_unlock_irqrestore) from [<c0093e68>] (resume_irqs+0x84/0xdc)
[   38.807647] [<c0093e68>] (resume_irqs) from [<c03ae8d8>] (dpm_resume_noirq+0x210/0x2d4)
[   38.807708] [<c03ae8d8>] (dpm_resume_noirq) from [<c008887c>] (suspend_devices_and_enter+0x324/0x600)
[   38.807739] [<c008887c>] (suspend_devices_and_enter) from [<c0088f54>] (pm_suspend+0x3fc/0x470)
[   38.807739] [<c0088f54>] (pm_suspend) from [<c0087554>] (state_store+0x68/0xb8)
[   38.807769] [<c0087554>] (state_store) from [<c0316ab4>] (kobj_attr_store+0x14/0x20)
[   38.807800] [<c0316ab4>] (kobj_attr_store) from [<c01b1ec8>] (sysfs_kf_write+0x4c/0x50)
[   38.807830] [<c01b1ec8>] (sysfs_kf_write) from [<c01b12a0>] (kernfs_fop_write+0xf0/0x19c)
[   38.807861] [<c01b12a0>] (kernfs_fop_write) from [<c0149ae8>] (vfs_write+0xa4/0x1ac)
[   38.807891] [<c0149ae8>] (vfs_write) from [<c0149e0c>] (SyS_write+0x40/0x8c)
[   38.807891] [<c0149e0c>] (SyS_write) from [<c000e820>] (ret_fast_syscall+0x0/0x48)
[   38.807922] ---[ end trace eaabc3cdfde9ebfc ]---
[   38.816436] PM: early resume of devices complete after 7.232 msecs
[   38.997253] PM: resume of devices complete after 180.572 msecs
[   39.178253] Restarting tasks ... done.
root@beagleboard:~# 
root@beagleboard:~# 
root@beagleboard:~# 
root@beagleboard:~# cat /debug/pm_debug/count
usbhost_pwrdm (ON),OFF:0,RET:1186,INA:0,ON:1187,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:1186,INA:0,ON:1187,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:718,INA:468,ON:1187,RET-LOGIC-OFF:0
mpu_pwrdm (ON),OFF:0,RET:718,INA:468,ON:1187,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
[   42.018737] PM: Syncing filesystems ... done.
[   42.747222] Freezing user space processes ... (elapsed 0.002 seconds) done.
[   42.753326] Freezing remaining freezable tasks ... (elapsed 0.002 seconds) done.
[   42.759857] Suspending console(s) (use no_console_suspend to debug)
[   42.790557] PM: suspend of devices complete after 19.042 msecs
[   42.801330] PM: late suspend of devices complete after 10.772 msecs
[   42.812377] PM: noirq suspend of devices complete after 10.986 msecs
[   42.812377] Disabling non-boot CPUs ...
[   42.812408] Successfully put all powerdomains to target state
[   42.818878] PM: noirq resume of devices complete after 6.378 msecs
[   42.819061] In-band Error seen by MPU  at address 0
[   42.819061] ------------[ cut here ]------------
[   42.819122] WARNING: CPU: 0 PID: 1485 at drivers/bus/omap_l3_smx.c:166 omap3_l3_app_irq+0xcc/0x124()
[   42.819122] Modules linked in:
[   42.819152] CPU: 0 PID: 1485 Comm: echo Tainted: G        W      3.19.0-rc3-118223-gb1940cd #1
[   42.819152] Hardware name: Generic OMAP3-GP (Flattened Device Tree)
[   42.819213] [<c0015514>] (unwind_backtrace) from [<c0011bec>] (show_stack+0x10/0x14)
[   42.819244] [<c0011bec>] (show_stack) from [<c05d5388>] (dump_stack+0x80/0x9c)
[   42.819274] [<c05d5388>] (dump_stack) from [<c003e164>] (warn_slowpath_common+0x78/0xb4)
[   42.819305] [<c003e164>] (warn_slowpath_common) from [<c003e1bc>] (warn_slowpath_null+0x1c/0x24)
[   42.819305] [<c003e1bc>] (warn_slowpath_null) from [<c033af14>] (omap3_l3_app_irq+0xcc/0x124)
[   42.819335] [<c033af14>] (omap3_l3_app_irq) from [<c008d390>] (handle_irq_event_percpu+0x60/0x1f4)
[   42.819366] [<c008d390>] (handle_irq_event_percpu) from [<c008d560>] (handle_irq_event+0x3c/0x5c)
[   42.819396] [<c008d560>] (handle_irq_event) from [<c0090238>] (handle_level_irq+0xb4/0x13c)
[   42.819427] [<c0090238>] (handle_level_irq) from [<c008cc38>] (generic_handle_irq+0x20/0x30)
[   42.819427] [<c008cc38>] (generic_handle_irq) from [<c008cd50>] (__handle_domain_irq+0x68/0xdc)
[   42.819458] [<c008cd50>] (__handle_domain_irq) from [<c00086e4>] (omap_intc_handle_irq+0xb4/0xc4)
[   42.819488] [<c00086e4>] (omap_intc_handle_irq) from [<c05dbba4>] (__irq_svc+0x44/0x5c)
[   42.819488] Exception stack(0xce593dd0 to 0xce593e18)
[   42.819519] 3dc0:                                     00000001 ce524b28 00000000 ce524540
[   42.819519] 3de0: 60000013 ce152860 ce152860 c0921a98 00000000 c0945464 60000013 c09216b0
[   42.819549] 3e00: c0abec08 ce593e18 c008377c c05db70c 20000013 ffffffff
[   42.819580] [<c05dbba4>] (__irq_svc) from [<c05db70c>] (_raw_spin_unlock_irqrestore+0x34/0x44)
[   42.819610] [<c05db70c>] (_raw_spin_unlock_irqrestore) from [<c0093e68>] (resume_irqs+0x84/0xdc)
[   42.819641] [<c0093e68>] (resume_irqs) from [<c03ae8d8>] (dpm_resume_noirq+0x210/0x2d4)
[   42.819671] [<c03ae8d8>] (dpm_resume_noirq) from [<c008887c>] (suspend_devices_and_enter+0x324/0x600)
[   42.819702] [<c008887c>] (suspend_devices_and_enter) from [<c0088f54>] (pm_suspend+0x3fc/0x470)
[   42.819732] [<c0088f54>] (pm_suspend) from [<c0087554>] (state_store+0x68/0xb8)
[   42.819763] [<c0087554>] (state_store) from [<c0316ab4>] (kobj_attr_store+0x14/0x20)
[   42.819793] [<c0316ab4>] (kobj_attr_store) from [<c01b1ec8>] (sysfs_kf_write+0x4c/0x50)
[   42.819793] [<c01b1ec8>] (sysfs_kf_write) from [<c01b12a0>] (kernfs_fop_write+0xf0/0x19c)
[   42.819824] [<c01b12a0>] (kernfs_fop_write) from [<c0149ae8>] (vfs_write+0xa4/0x1ac)
[   42.819854] [<c0149ae8>] (vfs_write) from [<c0149e0c>] (SyS_write+0x40/0x8c)
[   42.819885] [<c0149e0c>] (SyS_write) from [<c000e820>] (ret_fast_syscall+0x0/0x48)
[   42.819885] ---[ end trace eaabc3cdfde9ebfd ]---
[   42.828369] PM: early resume of devices complete after 7.232 msecs
[   43.006378] PM: resume of devices complete after 177.856 msecs
[   43.186737] Restarting tasks ... done.
root@beagleboard:~# 
root@beagleboard:~# 
root@beagleboard:~# 
root@beagleboard:~# cat /debug/pm_debug/count
usbhost_pwrdm (ON),OFF:0,RET:1316,INA:0,ON:1317,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:1316,INA:0,ON:1317,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:843,INA:473,ON:1317,RET-LOGIC-OFF:0
mpu_pwrdm (ON),OFF:0,RET:843,INA:473,ON:1317,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:1607,INA:0,ON:1608,RET-LOGIC-OFF:0,RET-MEMBANK1-OFF:0
sgx_pwrdm (OFF),OFF:1,RET:0,INA:0,ON:1,RET-LOGIC-OFF:0,RET-MEMBANK1-OFF:0
core_pwrdm (ON),OFF:0,RET:33,INA:9,ON:43,RET-LOGIC-OFF:0,RET-MEMBANK1-OFF:0,RET-MEMBANK2-OFF:0
per_pwrdm (ON),OFF:0,RET:42,INA:0,ON:43,RET-LOGIC-OFF:0,RET-MEMBANK1-OFF:0
dss_pwrdm (ON),OFF:0,RET:1607,INA:0,ON:1608,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:1121,INA:486,ON:1608,RET-LOGIC-OFF:0
mpu_pwrdm (ON),OFF:0,RET:1121,INA:486,ON:1608,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
[   63.834686] PM: Syncing filesystems ... done.
[   64.221710] Freezing user space processes ... (elapsed 0.002 seconds) done.
[   64.227844] Freezing remaining freezable tasks ... (elapsed 0.002 seconds) done.
[   64.234374] Suspending console(s) (use no_console_suspend to debug)
[   64.265197] PM: suspend of devices complete after 19.134 msecs
[   64.275848] PM: late suspend of devices complete after 10.589 msecs
[   64.286834] PM: noirq suspend of devices complete after 10.955 msecs
[   64.286865] Disabling non-boot CPUs ...
[   64.286895] Successfully put all powerdomains to target state
[   64.307128] PM: noirq resume of devices complete after 20.141 msecs
[   64.307312] In-band Error seen by MPU  at address 0
[   64.307312] ------------[ cut here ]------------
[   64.307342] WARNING: CPU: 0 PID: 1522 at drivers/bus/omap_l3_smx.c:166 omap3_l3_app_irq+0xcc/0x124()
[   64.307373] Modules linked in:
[   64.307403] CPU: 0 PID: 1522 Comm: echo Tainted: G        W      3.19.0-rc3-118223-gb1940cd #1
[   64.307403] Hardware name: Generic OMAP3-GP (Flattened Device Tree)
[   64.307464] [<c0015514>] (unwind_backtrace) from [<c0011bec>] (show_stack+0x10/0x14)
[   64.307495] [<c0011bec>] (show_stack) from [<c05d5388>] (dump_stack+0x80/0x9c)
[   64.307525] [<c05d5388>] (dump_stack) from [<c003e164>] (warn_slowpath_common+0x78/0xb4)
[   64.307556] [<c003e164>] (warn_slowpath_common) from [<c003e1bc>] (warn_slowpath_null+0x1c/0x24)
[   64.307556] [<c003e1bc>] (warn_slowpath_null) from [<c033af14>] (omap3_l3_app_irq+0xcc/0x124)
[   64.307586] [<c033af14>] (omap3_l3_app_irq) from [<c008d390>] (handle_irq_event_percpu+0x60/0x1f4)
[   64.307617] [<c008d390>] (handle_irq_event_percpu) from [<c008d560>] (handle_irq_event+0x3c/0x5c)
[   64.307647] [<c008d560>] (handle_irq_event) from [<c0090238>] (handle_level_irq+0xb4/0x13c)
[   64.307647] [<c0090238>] (handle_level_irq) from [<c008cc38>] (generic_handle_irq+0x20/0x30)
[   64.307678] [<c008cc38>] (generic_handle_irq) from [<c008cd50>] (__handle_domain_irq+0x68/0xdc)
[   64.307708] [<c008cd50>] (__handle_domain_irq) from [<c00086e4>] (omap_intc_handle_irq+0xb4/0xc4)
[   64.307739] [<c00086e4>] (omap_intc_handle_irq) from [<c05dbba4>] (__irq_svc+0x44/0x5c)
[   64.307739] Exception stack(0xce57fdd0 to 0xce57fe18)
[   64.307769] fdc0:                                     00000001 ce7e67a8 00000000 ce7e61c0
[   64.307769] fde0: 60000153 ce152860 ce152860 c0921a98 00000000 c0945464 60000153 c09216b0
[   64.307800] fe00: c0abec08 ce57fe18 c008377c c05db70c 20000153 ffffffff
[   64.307830] [<c05dbba4>] (__irq_svc) from [<c05db70c>] (_raw_spin_unlock_irqrestore+0x34/0x44)
[   64.307861] [<c05db70c>] (_raw_spin_unlock_irqrestore) from [<c0093e68>] (resume_irqs+0x84/0xdc)
[   64.307891] [<c0093e68>] (resume_irqs) from [<c03ae8d8>] (dpm_resume_noirq+0x210/0x2d4)
[   64.307922] [<c03ae8d8>] (dpm_resume_noirq) from [<c008887c>] (suspend_devices_and_enter+0x324/0x600)
[   64.307952] [<c008887c>] (suspend_devices_and_enter) from [<c0088f54>] (pm_suspend+0x3fc/0x470)
[   64.307983] [<c0088f54>] (pm_suspend) from [<c0087554>] (state_store+0x68/0xb8)
[   64.308013] [<c0087554>] (state_store) from [<c0316ab4>] (kobj_attr_store+0x14/0x20)
[   64.308044] [<c0316ab4>] (kobj_attr_store) from [<c01b1ec8>] (sysfs_kf_write+0x4c/0x50)
[   64.308044] [<c01b1ec8>] (sysfs_kf_write) from [<c01b12a0>] (kernfs_fop_write+0xf0/0x19c)
[   64.308074] [<c01b12a0>] (kernfs_fop_write) from [<c0149ae8>] (vfs_write+0xa4/0x1ac)
[   64.308105] [<c0149ae8>] (vfs_write) from [<c0149e0c>] (SyS_write+0x40/0x8c)
[   64.308135] [<c0149e0c>] (SyS_write) from [<c000e820>] (ret_fast_syscall+0x0/0x48)
[   64.308135] ---[ end trace eaabc3cdfde9ebfe ]---
[   64.316619] PM: early resume of devices complete after 7.202 msecs
[   64.486450] PM: resume of devices complete after 169.677 msecs
[   64.666870] Restarting tasks ... done.
root@beagleboard:~# 
root@beagleboard:~# 
root@beagleboard:~# 
root@beagleboard:~# cat /debug/pm_debug/count
usbhost_pwrdm (ON),OFF:63,RET:1734,INA:0,ON:1798,RET-LOGIC-OFF:0,RET-MEMBANK1-OFF:0
sgx_pwrdm (OFF),OFF:1,RET:0,INA:0,ON:1,RET-LOGIC-OFF:0,RET-MEMBANK1-OFF:0
core_pwrdm (ON),OFF:1,RET:33,INA:9,ON:44,RET-LOGIC-OFF:0,RET-MEMBANK1-OFF:0,RET-MEMBANK2-OFF:0
per_pwrdm (ON),OFF:1,RET:42,INA:0,ON:44,RET-LOGIC-OFF:0,RET-MEMBANK1-OFF:0
dss_pwrdm (ON),OFF:63,RET:1734,INA:0,ON:1798,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:1297,INA:499,ON:1798,RET-LOGIC-OFF:0
mpu_pwrdm (ON),OFF:1,RET:1297,INA:499,ON:1798,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
[   67.499999] PM: Syncing filesystems ... done.
[   68.230346] Freezing user space processes ... (elapsed 0.002 seconds) done.
[   68.236541] Freezing remaining freezable tasks ... (elapsed 0.002 seconds) done.
[   68.243011] Suspending console(s) (use no_console_suspend to debug)
[   68.273986] PM: suspend of devices complete after 19.226 msecs
[   68.284606] PM: late suspend of devices complete after 10.589 msecs
[   68.295623] PM: noirq suspend of devices complete after 10.955 msecs
[   68.295654] Disabling non-boot CPUs ...
[   68.295684] Successfully put all powerdomains to target state
[   68.315948] PM: noirq resume of devices complete after 20.172 msecs
[   68.316131] In-band Error seen by MPU  at address 0
[   68.316131] ------------[ cut here ]------------
[   68.316192] WARNING: CPU: 0 PID: 1524 at drivers/bus/omap_l3_smx.c:166 omap3_l3_app_irq+0xcc/0x124()
[   68.316192] Modules linked in:
[   68.316223] CPU: 0 PID: 1524 Comm: echo Tainted: G        W      3.19.0-rc3-118223-gb1940cd #1
[   68.316223] Hardware name: Generic OMAP3-GP (Flattened Device Tree)
[   68.316284] [<c0015514>] (unwind_backtrace) from [<c0011bec>] (show_stack+0x10/0x14)
[   68.316314] [<c0011bec>] (show_stack) from [<c05d5388>] (dump_stack+0x80/0x9c)
[   68.316345] [<c05d5388>] (dump_stack) from [<c003e164>] (warn_slowpath_common+0x78/0xb4)
[   68.316375] [<c003e164>] (warn_slowpath_common) from [<c003e1bc>] (warn_slowpath_null+0x1c/0x24)
[   68.316406] [<c003e1bc>] (warn_slowpath_null) from [<c033af14>] (omap3_l3_app_irq+0xcc/0x124)
[   68.316406] [<c033af14>] (omap3_l3_app_irq) from [<c008d390>] (handle_irq_event_percpu+0x60/0x1f4)
[   68.316436] [<c008d390>] (handle_irq_event_percpu) from [<c008d560>] (handle_irq_event+0x3c/0x5c)
[   68.316467] [<c008d560>] (handle_irq_event) from [<c0090238>] (handle_level_irq+0xb4/0x13c)
[   68.316497] [<c0090238>] (handle_level_irq) from [<c008cc38>] (generic_handle_irq+0x20/0x30)
[   68.316497] [<c008cc38>] (generic_handle_irq) from [<c008cd50>] (__handle_domain_irq+0x68/0xdc)
[   68.316528] [<c008cd50>] (__handle_domain_irq) from [<c00086e4>] (omap_intc_handle_irq+0xb4/0xc4)
[   68.316558] [<c00086e4>] (omap_intc_handle_irq) from [<c05dbba4>] (__irq_svc+0x44/0x5c)
[   68.316558] Exception stack(0xce57fdd0 to 0xce57fe18)
[   68.316589] fdc0:                                     00000001 ce7e67a8 00000000 ce7e61c0
[   68.316589] fde0: 60000153 ce152860 ce152860 c0921a98 00000000 c0945464 60000153 c09216b0
[   68.316619] fe00: c0abec08 ce57fe18 c008377c c05db70c 20000153 ffffffff
[   68.316650] [<c05dbba4>] (__irq_svc) from [<c05db70c>] (_raw_spin_unlock_irqrestore+0x34/0x44)
[   68.316680] [<c05db70c>] (_raw_spin_unlock_irqrestore) from [<c0093e68>] (resume_irqs+0x84/0xdc)
[   68.316711] [<c0093e68>] (resume_irqs) from [<c03ae8d8>] (dpm_resume_noirq+0x210/0x2d4)
[   68.316741] [<c03ae8d8>] (dpm_resume_noirq) from [<c008887c>] (suspend_devices_and_enter+0x324/0x600)
[   68.316772] [<c008887c>] (suspend_devices_and_enter) from [<c0088f54>] (pm_suspend+0x3fc/0x470)
[   68.316802] [<c0088f54>] (pm_suspend) from [<c0087554>] (state_store+0x68/0xb8)
[   68.316833] [<c0087554>] (state_store) from [<c0316ab4>] (kobj_attr_store+0x14/0x20)
[   68.316864] [<c0316ab4>] (kobj_attr_store) from [<c01b1ec8>] (sysfs_kf_write+0x4c/0x50)
[   68.316894] [<c01b1ec8>] (sysfs_kf_write) from [<c01b12a0>] (kernfs_fop_write+0xf0/0x19c)
[   68.316925] [<c01b12a0>] (kernfs_fop_write) from [<c0149ae8>] (vfs_write+0xa4/0x1ac)
[   68.316925] [<c0149ae8>] (vfs_write) from [<c0149e0c>] (SyS_write+0x40/0x8c)
[   68.316955] [<c0149e0c>] (SyS_write) from [<c000e820>] (ret_fast_syscall+0x0/0x48)
[   68.316986] ---[ end trace eaabc3cdfde9ebff ]---
[   68.325500] PM: early resume of devices complete after 7.263 msecs
[   68.496337] PM: resume of devices complete after 170.715 msecs
[   68.676696] Restarting tasks ... done.
root@beagleboard:~# 
root@beagleboard:~# 
root@beagleboard:~# 
root@beagleboard:~# cat /debug/pm_debug/count
usbhost_pwrdm (ON),OFF:211,RET:1734,INA:0,ON:1946,RET-LOGIC-OFF:0,RET-MEMBANK1-OFF:0
sgx_pwrdm (OFF),OFF:1,RET:0,INA:0,ON:1,RET-LOGIC-OFF:0,RET-MEMBANK1-OFF:0
core_pwrdm (ON),OFF:2,RET:33,INA:9,ON:45,RET-LOGIC-OFF:0,RET-MEMBANK1-OFF:0,RET-MEMBANK2-OFF:0
per_pwrdm (ON),OFF:2,RET:42,INA:0,ON:45,RET-LOGIC-OFF:0,RET-MEMBANK1-OFF:0
dss_pwrdm (ON),OFF:211,RET:1734,INA:0,ON:1946,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:1435,INA:508,ON:1946,RET-LOGIC-OFF:0
mpu_pwrdm (ON),OFF:2,RET:1435,INA:508,ON:1946,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:506,RET:1734,INA:0,ON:2241,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:27,RET:34,INA:14,ON:76,RET-LOGIC-OFF:0,RET-MEMBANK1-OFF:0,RET-MEMBANK2-OFF:0
per_pwrdm (ON),OFF:28,RET:47,INA:0,ON:76,RET-LOGIC-OFF:0,RET-MEMBANK1-OFF:0
dss_pwrdm (ON),OFF:506,RET:1734,INA:0,ON:2241,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:1684,INA:526,ON:2241,RET-LOGIC-OFF:0
mpu_pwrdm (ON),OFF:30,RET:1684,INA:526,ON:2241,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