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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
zModem - CRC mode, 5(SOH)/4673(STX)/0(CAN) packets, 3 retries
## Total Size      = 0x00490546 = 4785478 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:    4785414 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-rc1-00005-g1c7e36b (paul@nozomi) (gcc version 4.7.2 (Debian 4.7.2-5) ) #1 SMP Wed Jan 21 14:28:57 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: 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 - 0xc0860d40   (8548 kB)
[    0.000000]       .init : 0xc0861000 - 0xc08cc000   ( 428 kB)
[    0.000000]       .data : 0xc08cc000 - 0xc0974ae8   ( 675 kB)
[    0.000000]        .bss : 0xc0974ae8 - 0xc117c250   (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
[    0.001647] Lock dependency validator: Copyright (c) 2006 Red Hat, Inc., Ingo Molnar
[    0.001678] ... MAX_LOCKDEP_SUBCLASSES:  8
[    0.001708] ... MAX_LOCK_DEPTH:          48
[    0.001708] ... MAX_LOCKDEP_KEYS:        8191
[    0.001739] ... CLASSHASH_SIZE:          4096
[    0.001739] ... MAX_LOCKDEP_ENTRIES:     32768
[    0.001770] ... MAX_LOCKDEP_CHAINS:      65536
[    0.001770] ... CHAINHASH_SIZE:          32768
[    0.001800]  memory used by lock dependency info: 5167 kB
[    0.001800]  per task-struct memory footprint: 1152 bytes
[    0.001861] Calibrating delay loop... 508.72 BogoMIPS (lpj=2543616)
[    0.109802] pid_max: default: 32768 minimum: 301
[    0.110473] Security Framework initialized
[    0.110778] Mount-cache hash table entries: 1024 (order: 0, 4096 bytes)
[    0.110809] Mountpoint-cache hash table entries: 1024 (order: 0, 4096 bytes)
[    0.116424] Initializing cgroup subsys memory
[    0.116577] Initializing cgroup subsys devices
[    0.116729] Initializing cgroup subsys freezer
[    0.116882] Initializing cgroup subsys blkio
[    0.117034] Initializing cgroup subsys perf_event
[    0.117187] CPU: Testing write buffer coherency: ok
[    0.119476] CPU0: thread -1, cpu 0, socket -1, mpidr 0
[    0.119689] Setting up static identity map for 0x805dd8d0 - 0x805dd940
[    0.126190] Brought up 1 CPUs
[    0.126220] CPU: All CPU(s) started in SVC mode.
[    0.132110] devtmpfs: initialized
[    0.136077] VFP support v0.3: implementor 41 architecture 3 part 30 variant c rev 1
[    0.246734] omap_hwmod: mcbsp2_sidetone using broken dt data from mcbsp
[    0.249816] omap_hwmod: mcbsp3_sidetone using broken dt data from mcbsp
[    0.364990] pinctrl core: initialized pinctrl subsystem
[    0.500183] NET: Registered protocol family 16
[    0.512115] DMA: preallocated 256 KiB pool for atomic coherent allocations
[    0.516174] cpuidle: using governor ladder
[    0.516235] cpuidle: using governor menu
[    0.528625] Reprogramming SDRC clock to 332000000 Hz
[    0.545654] omap_gpio 48310000.gpio: could not find pctldev for node /ocp/pinmux@48002a00/pinmux_gpio1_pins, deferring probe
[    0.545745] platform 48310000.gpio: Driver omap_gpio requests probe deferral
[    0.551147] OMAP GPIO hardware version 2.5
[    0.569671] irq: no irq domain found for /ocp/pinmux@48002030 !
[    0.605621] omap-gpmc 6e000000.gpmc: GPMC revision 5.0
[    0.621337] No ATAGs?
[    0.621368] hw-breakpoint: debug architecture 0x4 unsupported.
[    0.626617] OMAP DMA hardware revision 4.0
[    0.752532] omap-dma-engine 48056000.dma-controller: OMAP DMA engine driver
[    0.754516] platform hsusb2_power_reg: Driver reg-fixed-voltage requests probe deferral
[    0.761901] SCSI subsystem initialized
[    0.764678] usbcore: registered new interface driver usbfs
[    0.765045] usbcore: registered new interface driver hub
[    0.765319] usbcore: registered new device driver usb
[    0.766571] platform hsusb2_phy: Driver usb_phy_generic requests probe deferral
[    0.775451] omap_i2c 48070000.i2c: bus 0 rev3.3 at 2600 kHz
[    0.777648] omap_i2c 48072000.i2c: bus 1 rev3.3 at 100 kHz
[    0.779632] omap_i2c 48060000.i2c: bus 2 rev3.3 at 100 kHz
[    0.788024] Switched to clocksource 32k_counter
[    1.081634] NET: Registered protocol family 2
[    1.084625] TCP established hash table entries: 2048 (order: 1, 8192 bytes)
[    1.084930] TCP bind hash table entries: 2048 (order: 4, 73728 bytes)
[    1.086303] TCP: Hash tables configured (established 2048 bind 2048)
[    1.086700] TCP: reno registered
[    1.086761] UDP hash table entries: 256 (order: 2, 20480 bytes)
[    1.087158] UDP-Lite hash table entries: 256 (order: 2, 20480 bytes)
[    1.089416] NET: Registered protocol family 1
[    1.092071] RPC: Registered named UNIX socket transport module.
[    1.092102] RPC: Registered udp transport module.
[    1.092132] RPC: Registered tcp transport module.
[    1.092163] RPC: Registered tcp NFSv4.1 backchannel transport module.
[    1.094604] hw perfevents: enabled with armv7_cortex_a8 PMU driver, 5 counters available
[    1.105529] futex hash table entries: 256 (order: 2, 16384 bytes)
[    1.105987] audit: initializing netlink subsys (disabled)
[    1.106384] audit: type=2000 audit(1.070:1): initialized
[    1.114624] VFS: Disk quotas dquot_6.5.2
[    1.114898] VFS: Dquot-cache hash table entries: 1024 (order 0, 4096 bytes)
[    1.119598] NFS: Registering the id_resolver key type
[    1.120300] Key type id_resolver registered
[    1.120330] Key type id_legacy registered
[    1.120666] jffs2: version 2.2. (NAND) (SUMMARY)  © 2001-2006 Red Hat, Inc.
[    1.128784] io scheduler noop registered
[    1.128845] io scheduler deadline registered
[    1.129028] io scheduler cfq registered (default)
[    1.134979] pinctrl-single 48002030.pinmux: 284 pins at pa fa002030 size 568
[    1.136047] pinctrl-single 48002a00.pinmux: 46 pins at pa fa002a00 size 92
[    1.137695] pinctrl-single 480025d8.pinmux: 18 pins at pa fa0025d8 size 36
[    1.148651] Serial: 8250/16550 driver, 4 ports, IRQ sharing enabled
[    1.161010] omap_uart 4806a000.serial: no wakeirq for uart0
[    1.161773] omap_uart 4806a000.serial: ttyO0 at MMIO 0x4806a000 (irq = 192, base_baud = 3000000) is a OMAP UART0
[    1.165405] omap_uart 4806c000.serial: no wakeirq for uart0
[    1.166168] omap_uart 4806c000.serial: ttyO1 at MMIO 0x4806c000 (irq = 193, base_baud = 3000000) is a OMAP UART1
[    1.169769] omap_uart 49020000.serial: ttyO2 at MMIO 0x49020000 (irq = 194, base_baud = 3000000) is a OMAP UART2
[    1.571716] console [ttyO2] enabled
[    1.620727] brd: module loaded
[    1.648864] loop: module loaded
[    1.666137] twl 0-0048: PIH (irq 265) chaining IRQs 266..274
[    1.669921] twl 0-0048: power (irq 271) chaining IRQs 274..281
[    1.751495] twl4030_gpio twl4030-gpio: gpio (irq 266) chaining IRQs 282..299
[    1.775756] mtdoops: mtd device (mtddev=name/number) must be supplied
[    1.794799] usbcore: registered new interface driver asix
[    1.798034] usbcore: registered new interface driver ax88179_178a
[    1.801727] usbcore: registered new interface driver cdc_ether
[    1.805236] usbcore: registered new interface driver smsc95xx
[    1.808746] usbcore: registered new interface driver net1080
[    1.812072] usbcore: registered new interface driver cdc_subset
[    1.815521] usbcore: registered new interface driver zaurus
[    1.819030] usbcore: registered new interface driver cdc_ncm
[    1.824249] usbcore: registered new interface driver cdc_wdm
[    1.827697] usbcore: registered new interface driver usb-storage
[    1.831451] usbcore: registered new interface driver usbtest
[    1.839355] mousedev: PS/2 mouse device common for all mice
[    1.844360] twl4030_keypad 48070000.i2c:twl@48:keypad: OF: linux,keymap property not defined in /ocp/i2c@48070000/twl@48/keypad
[    1.850769] twl4030_keypad 48070000.i2c:twl@48:keypad: Failed to build keymap
[    1.854736] twl4030_keypad: probe of 48070000.i2c:twl@48:keypad failed with error -2
[    1.864776] input: twl4030_pwrbutton as /devices/platform/68000000.ocp/48070000.i2c/i2c-0/0-0048/48070000.i2c:twl@48:pwrbutton/input/input1
[    1.877349] twl_rtc 48070000.i2c:twl@48:rtc: Power up reset detected.
[    1.881347] twl_rtc 48070000.i2c:twl@48:rtc: Enabling TWL-RTC
[    1.890808] twl_rtc 48070000.i2c:twl@48:rtc: rtc core: registered 48070000.i2c:twl@48 as rtc0
[    1.897003] i2c /dev entries driver
[    1.903686] Driver for 1-wire Dallas network protocol.
[    1.912384] omap_wdt: OMAP Watchdog Timer Rev 0x31: initial timeout 60 sec
[    1.919830] Driver 'mmcblk' needs updating - please use bus_type methods
[    1.991668] ledtrig-cpu: registered to indicate activity on CPUs
[    1.996124] usbcore: registered new interface driver usbhid
[    1.999267] usbhid: USB HID core driver
[    2.004974] oprofile: using arm/armv7
[    2.008392] TCP: cubic registered
[    2.010284] Initializing XFRM netlink socket
[    2.012847] NET: Registered protocol family 17
[    2.015411] NET: Registered protocol family 15
[    2.018585] Key type dns_resolver registered
[    2.021392] omap2_set_init_voltage: unable to find boot up OPP for vdd_mpu_iva
[    2.025299] omap2_set_init_voltage: unable to set vdd_mpu_iva
[    2.028564] omap2_set_init_voltage: unable to find boot up OPP for vdd_core
[    2.032348] omap2_set_init_voltage: unable to set vdd_core
[    2.042266] ThumbEE CPU extension supported.
[    2.044677] Registering SWP/SWPB emulation handler
[    2.047302] SmartReflex Class3 initialized
[    2.082244] input: gpio_keys as /devices/platform/gpio_keys/input/input2
[    2.090057] twl_rtc 48070000.i2c:twl@48:rtc: setting system clock to 2000-01-01 00:00:00 UTC (946684800)
[    2.095245] sr_init: No PMIC hook to init smartreflex
[    2.098907] smartreflex smartreflex.0: omap_sr_probe: SmartReflex driver initialized
[    2.104583] smartreflex smartreflex.1: omap_sr_probe: SmartReflex driver initialized
[    2.224029] hsusb2_vbus: disabling
[    2.227752] VUSB3V1: disabling
[    2.230926] VUSB1V8: disabling
[    2.233795] VUSB1V5: disabling
[    2.238739] VDAC: disabling
[    2.241821] VAUX3: disabling
[    2.247009] mmc0: host does not support reading read-only switch, assuming write-enable
[    2.255615] Waiting for root device /dev/mmcblk0p2...
[    2.259765] mmc0: new SD card at address e624
[    2.266296] mmcblk0: mmc0:e624 SD01G 968 MiB 
[    2.277404]  mmcblk0: p1 p2
[    2.834930] kjournald starting.  Commit interval 5 seconds
[    2.929443] EXT3-fs (mmcblk0p2): using internal journal
[    3.022979] EXT3-fs (mmcblk0p2): recovery complete
[    3.025634] EXT3-fs (mmcblk0p2): mounted filesystem with ordered data mode
[    3.029541] VFS: Mounted root (ext3 filesystem) on device 179:2.
[    3.038116] devtmpfs: mounted
[    3.041442] Freeing unused kernel memory: 428K (c0861000 - c08cc000)
INIT: version 2.86 booting
Starting the hotplug events dispatcher udevd
[    4.399780] udevd (91): /proc/91/oom_adj is deprecated, please use /proc/91/oom_score_adj instead.
Synthesizing the initial hotplug events
[   18.014465] 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-rc1-00005-g1c7e36b: No such file or directory
FATAL: Could not open /lib/modules/3.19.0-rc1-00005-g1c7e36b/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-rc1-00005-g1c7e36b/modules.dep: No such file or directory

modprobe: FATAL: Could not load /lib/modules/3.19.0-rc1-00005-g1c7e36b/modules.dep: No such file or directory

ifconfig: SIOCGIFFLAGS: No such device
modprobe: FATAL: Could not load /lib/modules/3.19.0-rc1-00005-g1c7e36b/modules.dep: No such file or directory

modprobe: FATAL: Could not load /lib/modules/3.19.0-rc1-00005-g1c7e36b/modules.dep: No such file or directory

modprobe: FATAL: Could not load /lib/modules/3.19.0-rc1-00005-g1c7e36b/modules.dep: No such file or directory

modprobe: FATAL: Could not load /lib/modules/3.19.0-rc1-00005-g1c7e36b/modules.dep: No such file or directory

eth0      No such device

modprobe: FATAL: Could not load /lib/modules/3.19.0-rc1-00005-g1c7e36b/modules.dep: No such file or directory

modprobe: FATAL: Could not load /lib/modules/3.19.0-rc1-00005-g1c7e36b/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: [   27.191925] random: dropbear urandom read with 94 bits of entropy available
modprobe: FATAL: Could not load /lib/modules/3.19.0-rc1-00005-g1c7e36b/modules.dep: No such file or directory

modprobe: FATAL: Could not load /lib/modules/3.19.0-rc1-00005-g1c7e36b/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-rc1-00005-g1c7e36b/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[1422]: 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
[   33.758789] random: nonblocking pool is initialized
-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:1091,INA:0,ON:1092,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:1091,INA:0,ON:1092,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:534,INA:557,ON:1092,RET-LOGIC-OFF:0
mpu_pwrdm (ON),OFF:0,RET:534,INA:557,ON:1092,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
[   38.123413] PM: Syncing filesystems ... done.
[   38.342926] Freezing user space processes ... (elapsed 0.004 seconds) done.
[   38.351135] Freezing remaining freezable tasks ... (elapsed 0.003 seconds) done.
[   38.358978] Suspending console(s) (use no_console_suspend to debug)
[   38.402343] PM: suspend of devices complete after 31.402 msecs
[   38.413421] PM: late suspend of devices complete after 11.016 msecs
[   38.425292] PM: noirq suspend of devices complete after 11.810 msecs
[   38.425445] Disabling non-boot CPUs ...
[   38.425476] Successfully put all powerdomains to target state
[   38.432281] PM: noirq resume of devices complete after 6.713 msecs
[   38.432525] In-band Error seen by MPU  at address 0
[   38.432525] ------------[ cut here ]------------
[   38.432556] WARNING: CPU: 0 PID: 1476 at drivers/bus/omap_l3_smx.c:166 omap3_l3_app_irq+0xcc/0x124()
[   38.432586] Modules linked in:
[   38.432586] CPU: 0 PID: 1476 Comm: echo Not tainted 3.19.0-rc1-00005-g1c7e36b #1
[   38.432617] Hardware name: Generic OMAP3-GP (Flattened Device Tree)
[   38.432678] [<c00154b4>] (unwind_backtrace) from [<c0011b7c>] (show_stack+0x10/0x14)
[   38.432708] [<c0011b7c>] (show_stack) from [<c05d5270>] (dump_stack+0x80/0x9c)
[   38.432739] [<c05d5270>] (dump_stack) from [<c003e114>] (warn_slowpath_common+0x78/0xb4)
[   38.432739] [<c003e114>] (warn_slowpath_common) from [<c003e16c>] (warn_slowpath_null+0x1c/0x24)
[   38.432769] [<c003e16c>] (warn_slowpath_null) from [<c033b0f4>] (omap3_l3_app_irq+0xcc/0x124)
[   38.432800] [<c033b0f4>] (omap3_l3_app_irq) from [<c008d340>] (handle_irq_event_percpu+0x60/0x1f4)
[   38.432830] [<c008d340>] (handle_irq_event_percpu) from [<c008d510>] (handle_irq_event+0x3c/0x5c)
[   38.432830] [<c008d510>] (handle_irq_event) from [<c00901e8>] (handle_level_irq+0xb4/0x13c)
[   38.432861] [<c00901e8>] (handle_level_irq) from [<c008cbe8>] (generic_handle_irq+0x20/0x30)
[   38.432891] [<c008cbe8>] (generic_handle_irq) from [<c008cd00>] (__handle_domain_irq+0x68/0xdc)
[   38.432922] [<c008cd00>] (__handle_domain_irq) from [<c00086e4>] (omap_intc_handle_irq+0xb4/0xc4)
[   38.432922] [<c00086e4>] (omap_intc_handle_irq) from [<c05dbaa4>] (__irq_svc+0x44/0x5c)
[   38.432952] Exception stack(0xce511dd0 to 0xce511e18)
[   38.432952] 1dc0:                                     00000001 ce51eae8 00000000 ce51e500
[   38.432983] 1de0: 60000013 ce152860 ce152860 c0921a98 00000000 c0945464 60000013 c09216b0
[   38.432983] 1e00: c0abe898 ce511e18 c008372c c05db5f4 20000013 ffffffff
[   38.433013] [<c05dbaa4>] (__irq_svc) from [<c05db5f4>] (_raw_spin_unlock_irqrestore+0x34/0x44)
[   38.433044] [<c05db5f4>] (_raw_spin_unlock_irqrestore) from [<c0093e18>] (resume_irqs+0x84/0xdc)
[   38.433074] [<c0093e18>] (resume_irqs) from [<c03aeab8>] (dpm_resume_noirq+0x210/0x2d4)
[   38.433135] [<c03aeab8>] (dpm_resume_noirq) from [<c008882c>] (suspend_devices_and_enter+0x324/0x600)
[   38.433135] [<c008882c>] (suspend_devices_and_enter) from [<c0088f04>] (pm_suspend+0x3fc/0x470)
[   38.433166] [<c0088f04>] (pm_suspend) from [<c0087504>] (state_store+0x68/0xb8)
[   38.433197] [<c0087504>] (state_store) from [<c0316c94>] (kobj_attr_store+0x14/0x20)
[   38.433227] [<c0316c94>] (kobj_attr_store) from [<c01b2030>] (sysfs_kf_write+0x4c/0x50)
[   38.433258] [<c01b2030>] (sysfs_kf_write) from [<c01b1408>] (kernfs_fop_write+0xf0/0x19c)
[   38.433288] [<c01b1408>] (kernfs_fop_write) from [<c0149bfc>] (vfs_write+0xa4/0x1ac)
[   38.433319] [<c0149bfc>] (vfs_write) from [<c0149f20>] (SyS_write+0x40/0x8c)
[   38.433319] [<c0149f20>] (SyS_write) from [<c000e820>] (ret_fast_syscall+0x0/0x48)
[   38.433349] ---[ end trace 675d08ed9a1462e1 ]---
[   38.441986] PM: early resume of devices complete after 7.354 msecs
[   38.601989] PM: resume of devices complete after 159.851 msecs
[   38.781494] Restarting tasks ... done.
root@beagleboard:~# 
root@beagleboard:~# 
root@beagleboard:~# 
root@beagleboard:~# cat /debug/pm_debug/count
usbhost_pwrdm (ON),OFF:0,RET:1223,INA:0,ON:1224,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:1223,INA:0,ON:1224,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:641,INA:582,ON:1224,RET-LOGIC-OFF:0
mpu_pwrdm (ON),OFF:0,RET:641,INA:582,ON:1224,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
[   40.647033] PM: Syncing filesystems ... done.
[   40.994964] Freezing user space processes ... (elapsed 0.002 seconds) done.
[   41.001281] Freezing remaining freezable tasks ... (elapsed 0.002 seconds) done.
[   41.007873] Suspending console(s) (use no_console_suspend to debug)
[   41.038757] PM: suspend of devices complete after 19.195 msecs
[   41.049591] PM: late suspend of devices complete after 10.803 msecs
[   41.060699] PM: noirq suspend of devices complete after 11.077 msecs
[   41.060729] Disabling non-boot CPUs ...
[   41.060760] Successfully put all powerdomains to target state
[   41.067443] PM: noirq resume of devices complete after 6.591 msecs
[   41.067596] In-band Error seen by MPU  at address 0
[   41.067626] ------------[ cut here ]------------
[   41.067657] WARNING: CPU: 0 PID: 1480 at drivers/bus/omap_l3_smx.c:166 omap3_l3_app_irq+0xcc/0x124()
[   41.067687] Modules linked in:
[   41.067687] CPU: 0 PID: 1480 Comm: echo Tainted: G        W      3.19.0-rc1-00005-g1c7e36b #1
[   41.067718] Hardware name: Generic OMAP3-GP (Flattened Device Tree)
[   41.067749] [<c00154b4>] (unwind_backtrace) from [<c0011b7c>] (show_stack+0x10/0x14)
[   41.067810] [<c0011b7c>] (show_stack) from [<c05d5270>] (dump_stack+0x80/0x9c)
[   41.067810] [<c05d5270>] (dump_stack) from [<c003e114>] (warn_slowpath_common+0x78/0xb4)
[   41.067840] [<c003e114>] (warn_slowpath_common) from [<c003e16c>] (warn_slowpath_null+0x1c/0x24)
[   41.067871] [<c003e16c>] (warn_slowpath_null) from [<c033b0f4>] (omap3_l3_app_irq+0xcc/0x124)
[   41.067901] [<c033b0f4>] (omap3_l3_app_irq) from [<c008d340>] (handle_irq_event_percpu+0x60/0x1f4)
[   41.067932] [<c008d340>] (handle_irq_event_percpu) from [<c008d510>] (handle_irq_event+0x3c/0x5c)
[   41.067932] [<c008d510>] (handle_irq_event) from [<c00901e8>] (handle_level_irq+0xb4/0x13c)
[   41.067962] [<c00901e8>] (handle_level_irq) from [<c008cbe8>] (generic_handle_irq+0x20/0x30)
[   41.067993] [<c008cbe8>] (generic_handle_irq) from [<c008cd00>] (__handle_domain_irq+0x68/0xdc)
[   41.067993] [<c008cd00>] (__handle_domain_irq) from [<c00086e4>] (omap_intc_handle_irq+0xb4/0xc4)
[   41.068023] [<c00086e4>] (omap_intc_handle_irq) from [<c05dbaa4>] (__irq_svc+0x44/0x5c)
[   41.068054] Exception stack(0xce5b5dd0 to 0xce5b5e18)
[   41.068054] 5dc0:                                     00000001 ce51f5e8 00000000 ce51f000
[   41.068084] 5de0: 60000013 ce152860 ce152860 c0921a98 00000000 c0945464 60000013 c09216b0
[   41.068084] 5e00: c0abe898 ce5b5e18 c008372c c05db5f4 20000013 ffffffff
[   41.068115] [<c05dbaa4>] (__irq_svc) from [<c05db5f4>] (_raw_spin_unlock_irqrestore+0x34/0x44)
[   41.068145] [<c05db5f4>] (_raw_spin_unlock_irqrestore) from [<c0093e18>] (resume_irqs+0x84/0xdc)
[   41.068176] [<c0093e18>] (resume_irqs) from [<c03aeab8>] (dpm_resume_noirq+0x210/0x2d4)
[   41.068237] [<c03aeab8>] (dpm_resume_noirq) from [<c008882c>] (suspend_devices_and_enter+0x324/0x600)
[   41.068237] [<c008882c>] (suspend_devices_and_enter) from [<c0088f04>] (pm_suspend+0x3fc/0x470)
[   41.068267] [<c0088f04>] (pm_suspend) from [<c0087504>] (state_store+0x68/0xb8)
[   41.068298] [<c0087504>] (state_store) from [<c0316c94>] (kobj_attr_store+0x14/0x20)
[   41.068328] [<c0316c94>] (kobj_attr_store) from [<c01b2030>] (sysfs_kf_write+0x4c/0x50)
[   41.068359] [<c01b2030>] (sysfs_kf_write) from [<c01b1408>] (kernfs_fop_write+0xf0/0x19c)
[   41.068389] [<c01b1408>] (kernfs_fop_write) from [<c0149bfc>] (vfs_write+0xa4/0x1ac)
[   41.068420] [<c0149bfc>] (vfs_write) from [<c0149f20>] (SyS_write+0x40/0x8c)
[   41.068420] [<c0149f20>] (SyS_write) from [<c000e820>] (ret_fast_syscall+0x0/0x48)
[   41.068450] ---[ end trace 675d08ed9a1462e2 ]---
[   41.076904] PM: early resume of devices complete after 7.171 msecs
[   41.230468] PM: resume of devices complete after 153.411 msecs
[   41.409484] Restarting tasks ... done.
root@beagleboard:~# 
root@beagleboard:~# 
root@beagleboard:~# 
root@beagleboard:~# cat /debug/pm_debug/count
usbhost_pwrdm (ON),OFF:0,RET:1334,INA:0,ON:1335,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:1334,INA:0,ON:1335,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:743,INA:591,ON:1335,RET-LOGIC-OFF:0
mpu_pwrdm (ON),OFF:0,RET:743,INA:591,ON:1335,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:1551,INA:0,ON:1552,RET-LOGIC-OFF:0,RET-MEMBANK1-OFF:0
sgx_pwrdm (OFF),OFF:1,RET:0,INA:0,ON:1,RET-LOGIC-OFF:0,RET-MEMBANK1-OFF:0
core_pwrdm (ON),OFF:0,RET:26,INA:8,ON:35,RET-LOGIC-OFF:0,RET-MEMBANK1-OFF:0,RET-MEMBANK2-OFF:0
per_pwrdm (ON),OFF:0,RET:34,INA:0,ON:35,RET-LOGIC-OFF:0,RET-MEMBANK1-OFF:0
dss_pwrdm (ON),OFF:0,RET:1551,INA:0,ON:1552,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:951,INA:600,ON:1552,RET-LOGIC-OFF:0
mpu_pwrdm (ON),OFF:0,RET:951,INA:600,ON:1552,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
[   62.076446] PM: Syncing filesystems ... done.
[   62.351043] Freezing user space processes ... (elapsed 0.002 seconds) done.
[   62.357330] Freezing remaining freezable tasks ... (elapsed 0.002 seconds) done.
[   62.363861] Suspending console(s) (use no_console_suspend to debug)
[   62.394683] PM: suspend of devices complete after 19.165 msecs
[   62.405517] PM: late suspend of devices complete after 10.803 msecs
[   62.416564] PM: noirq suspend of devices complete after 11.016 msecs
[   62.416595] Disabling non-boot CPUs ...
[   62.416625] Successfully put all powerdomains to target state
[   62.437957] PM: noirq resume of devices complete after 21.209 msecs
[   62.438140] In-band Error seen by MPU  at address 0
[   62.438140] ------------[ cut here ]------------
[   62.438171] WARNING: CPU: 0 PID: 1517 at drivers/bus/omap_l3_smx.c:166 omap3_l3_app_irq+0xcc/0x124()
[   62.438201] Modules linked in:
[   62.438232] CPU: 0 PID: 1517 Comm: echo Tainted: G        W      3.19.0-rc1-00005-g1c7e36b #1
[   62.438232] Hardware name: Generic OMAP3-GP (Flattened Device Tree)
[   62.438293] [<c00154b4>] (unwind_backtrace) from [<c0011b7c>] (show_stack+0x10/0x14)
[   62.438323] [<c0011b7c>] (show_stack) from [<c05d5270>] (dump_stack+0x80/0x9c)
[   62.438354] [<c05d5270>] (dump_stack) from [<c003e114>] (warn_slowpath_common+0x78/0xb4)
[   62.438354] [<c003e114>] (warn_slowpath_common) from [<c003e16c>] (warn_slowpath_null+0x1c/0x24)
[   62.438385] [<c003e16c>] (warn_slowpath_null) from [<c033b0f4>] (omap3_l3_app_irq+0xcc/0x124)
[   62.438415] [<c033b0f4>] (omap3_l3_app_irq) from [<c008d340>] (handle_irq_event_percpu+0x60/0x1f4)
[   62.438446] [<c008d340>] (handle_irq_event_percpu) from [<c008d510>] (handle_irq_event+0x3c/0x5c)
[   62.438476] [<c008d510>] (handle_irq_event) from [<c00901e8>] (handle_level_irq+0xb4/0x13c)
[   62.438476] [<c00901e8>] (handle_level_irq) from [<c008cbe8>] (generic_handle_irq+0x20/0x30)
[   62.438507] [<c008cbe8>] (generic_handle_irq) from [<c008cd00>] (__handle_domain_irq+0x68/0xdc)
[   62.438537] [<c008cd00>] (__handle_domain_irq) from [<c00086e4>] (omap_intc_handle_irq+0xb4/0xc4)
[   62.438537] [<c00086e4>] (omap_intc_handle_irq) from [<c05dbaa4>] (__irq_svc+0x44/0x5c)
[   62.438568] Exception stack(0xce7a5dd0 to 0xce7a5e18)
[   62.438568] 5dc0:                                     00000001 ce52f668 00000000 ce52f080
[   62.438598] 5de0: 60000153 ce152860 ce152860 c0921a98 00000000 c0945464 60000153 c09216b0
[   62.438629] 5e00: c0abe898 ce7a5e18 c008372c c05db5f4 20000153 ffffffff
[   62.438659] [<c05dbaa4>] (__irq_svc) from [<c05db5f4>] (_raw_spin_unlock_irqrestore+0x34/0x44)
[   62.438659] [<c05db5f4>] (_raw_spin_unlock_irqrestore) from [<c0093e18>] (resume_irqs+0x84/0xdc)
[   62.438720] [<c0093e18>] (resume_irqs) from [<c03aeab8>] (dpm_resume_noirq+0x210/0x2d4)
[   62.438751] [<c03aeab8>] (dpm_resume_noirq) from [<c008882c>] (suspend_devices_and_enter+0x324/0x600)
[   62.438781] [<c008882c>] (suspend_devices_and_enter) from [<c0088f04>] (pm_suspend+0x3fc/0x470)
[   62.438781] [<c0088f04>] (pm_suspend) from [<c0087504>] (state_store+0x68/0xb8)
[   62.438812] [<c0087504>] (state_store) from [<c0316c94>] (kobj_attr_store+0x14/0x20)
[   62.438873] [<c0316c94>] (kobj_attr_store) from [<c01b2030>] (sysfs_kf_write+0x4c/0x50)
[   62.438873] [<c01b2030>] (sysfs_kf_write) from [<c01b1408>] (kernfs_fop_write+0xf0/0x19c)
[   62.438903] [<c01b1408>] (kernfs_fop_write) from [<c0149bfc>] (vfs_write+0xa4/0x1ac)
[   62.438934] [<c0149bfc>] (vfs_write) from [<c0149f20>] (SyS_write+0x40/0x8c)
[   62.438964] [<c0149f20>] (SyS_write) from [<c000e820>] (ret_fast_syscall+0x0/0x48)
[   62.438964] ---[ end trace 675d08ed9a1462e3 ]---
[   62.447540] PM: early resume of devices complete after 7.324 msecs
[   62.620727] PM: resume of devices complete after 173.034 msecs
[   62.799743] Restarting tasks ... done.
root@beagleboard:~# 
root@beagleboard:~# 
root@beagleboard:~# 
root@beagleboard:~# cat /debug/pm_debug/count
usbhost_pwrdm (ON),OFF:53,RET:1656,INA:0,ON:1710,RET-LOGIC-OFF:0,RET-MEMBANK1-OFF:0
sgx_pwrdm (OFF),OFF:1,RET:0,INA:0,ON:1,RET-LOGIC-OFF:0,RET-MEMBANK1-OFF:0
core_pwrdm (ON),OFF:1,RET:26,INA:8,ON:36,RET-LOGIC-OFF:0,RET-MEMBANK1-OFF:0,RET-MEMBANK2-OFF:0
per_pwrdm (ON),OFF:1,RET:34,INA:0,ON:36,RET-LOGIC-OFF:0,RET-MEMBANK1-OFF:0
dss_pwrdm (ON),OFF:53,RET:1656,INA:0,ON:1710,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:1097,INA:611,ON:1710,RET-LOGIC-OFF:0
mpu_pwrdm (ON),OFF:1,RET:1097,INA:611,ON:1710,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
[   65.633056] PM: Syncing filesystems ... done.
[   65.978118] Freezing user space processes ... (elapsed 0.002 seconds) done.
[   65.984222] Freezing remaining freezable tasks ... (elapsed 0.002 seconds) done.
[   65.990905] Suspending console(s) (use no_console_suspend to debug)
[   66.021697] PM: suspend of devices complete after 19.104 msecs
[   66.032653] PM: late suspend of devices complete after 10.894 msecs
[   66.043701] PM: noirq suspend of devices complete after 11.016 msecs
[   66.043731] Disabling non-boot CPUs ...
[   66.043762] Successfully put all powerdomains to target state
[   66.064880] PM: noirq resume of devices complete after 21.026 msecs
[   66.065063] In-band Error seen by MPU  at address 0
[   66.065063] ------------[ cut here ]------------
[   66.065093] WARNING: CPU: 0 PID: 1519 at drivers/bus/omap_l3_smx.c:166 omap3_l3_app_irq+0xcc/0x124()
[   66.065124] Modules linked in:
[   66.065155] CPU: 0 PID: 1519 Comm: echo Tainted: G        W      3.19.0-rc1-00005-g1c7e36b #1
[   66.065155] Hardware name: Generic OMAP3-GP (Flattened Device Tree)
[   66.065216] [<c00154b4>] (unwind_backtrace) from [<c0011b7c>] (show_stack+0x10/0x14)
[   66.065246] [<c0011b7c>] (show_stack) from [<c05d5270>] (dump_stack+0x80/0x9c)
[   66.065277] [<c05d5270>] (dump_stack) from [<c003e114>] (warn_slowpath_common+0x78/0xb4)
[   66.065277] [<c003e114>] (warn_slowpath_common) from [<c003e16c>] (warn_slowpath_null+0x1c/0x24)
[   66.065307] [<c003e16c>] (warn_slowpath_null) from [<c033b0f4>] (omap3_l3_app_irq+0xcc/0x124)
[   66.065338] [<c033b0f4>] (omap3_l3_app_irq) from [<c008d340>] (handle_irq_event_percpu+0x60/0x1f4)
[   66.065368] [<c008d340>] (handle_irq_event_percpu) from [<c008d510>] (handle_irq_event+0x3c/0x5c)
[   66.065399] [<c008d510>] (handle_irq_event) from [<c00901e8>] (handle_level_irq+0xb4/0x13c)
[   66.065399] [<c00901e8>] (handle_level_irq) from [<c008cbe8>] (generic_handle_irq+0x20/0x30)
[   66.065429] [<c008cbe8>] (generic_handle_irq) from [<c008cd00>] (__handle_domain_irq+0x68/0xdc)
[   66.065460] [<c008cd00>] (__handle_domain_irq) from [<c00086e4>] (omap_intc_handle_irq+0xb4/0xc4)
[   66.065460] [<c00086e4>] (omap_intc_handle_irq) from [<c05dbaa4>] (__irq_svc+0x44/0x5c)
[   66.065490] Exception stack(0xce7a5dd0 to 0xce7a5e18)
[   66.065490] 5dc0:                                     00000001 ce52f668 00000000 ce52f080
[   66.065521] 5de0: 60000153 ce152860 ce152860 c0921a98 00000000 c0945464 60000153 c09216b0
[   66.065551] 5e00: c0abe898 ce7a5e18 c008372c c05db5f4 20000153 ffffffff
[   66.065582] [<c05dbaa4>] (__irq_svc) from [<c05db5f4>] (_raw_spin_unlock_irqrestore+0x34/0x44)
[   66.065582] [<c05db5f4>] (_raw_spin_unlock_irqrestore) from [<c0093e18>] (resume_irqs+0x84/0xdc)
[   66.065643] [<c0093e18>] (resume_irqs) from [<c03aeab8>] (dpm_resume_noirq+0x210/0x2d4)
[   66.065673] [<c03aeab8>] (dpm_resume_noirq) from [<c008882c>] (suspend_devices_and_enter+0x324/0x600)
[   66.065704] [<c008882c>] (suspend_devices_and_enter) from [<c0088f04>] (pm_suspend+0x3fc/0x470)
[   66.065704] [<c0088f04>] (pm_suspend) from [<c0087504>] (state_store+0x68/0xb8)
[   66.065765] [<c0087504>] (state_store) from [<c0316c94>] (kobj_attr_store+0x14/0x20)
[   66.065795] [<c0316c94>] (kobj_attr_store) from [<c01b2030>] (sysfs_kf_write+0x4c/0x50)
[   66.065795] [<c01b2030>] (sysfs_kf_write) from [<c01b1408>] (kernfs_fop_write+0xf0/0x19c)
[   66.065826] [<c01b1408>] (kernfs_fop_write) from [<c0149bfc>] (vfs_write+0xa4/0x1ac)
[   66.065856] [<c0149bfc>] (vfs_write) from [<c0149f20>] (SyS_write+0x40/0x8c)
[   66.065887] [<c0149f20>] (SyS_write) from [<c000e820>] (ret_fast_syscall+0x0/0x48)
[   66.065887] ---[ end trace 675d08ed9a1462e4 ]---
[   66.074493] PM: early resume of devices complete after 7.171 msecs
[   66.230621] PM: resume of devices complete after 155.944 msecs
[   66.409667] Restarting tasks ... done.
root@beagleboard:~# 
root@beagleboard:~# 
root@beagleboard:~# 
root@beagleboard:~# cat /debug/pm_debug/count
usbhost_pwrdm (ON),OFF:172,RET:1656,INA:0,ON:1829,RET-LOGIC-OFF:0,RET-MEMBANK1-OFF:0
sgx_pwrdm (OFF),OFF:1,RET:0,INA:0,ON:1,RET-LOGIC-OFF:0,RET-MEMBANK1-OFF:0
core_pwrdm (ON),OFF:2,RET:26,INA:8,ON:37,RET-LOGIC-OFF:0,RET-MEMBANK1-OFF:0,RET-MEMBANK2-OFF:0
per_pwrdm (ON),OFF:2,RET:34,INA:0,ON:37,RET-LOGIC-OFF:0,RET-MEMBANK1-OFF:0
dss_pwrdm (ON),OFF:172,RET:1656,INA:0,ON:1829,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:1199,INA:627,ON:1829,RET-LOGIC-OFF:0
mpu_pwrdm (ON),OFF:2,RET:1199,INA:627,ON:1829,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:368,RET:1656,INA:0,ON:2025,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:22,RET:26,INA:9,ON:58,RET-LOGIC-OFF:0,RET-MEMBANK1-OFF:0,RET-MEMBANK2-OFF:0
per_pwrdm (ON),OFF:22,RET:35,INA:0,ON:58,RET-LOGIC-OFF:0,RET-MEMBANK1-OFF:0
dss_pwrdm (ON),OFF:368,RET:1656,INA:0,ON:2025,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:1366,INA:635,ON:2025,RET-LOGIC-OFF:0
mpu_pwrdm (ON),OFF:23,RET:1366,INA:635,ON:2025,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