U-Boot SPL 2012.07-00012-g391a28d (Dec 30 2012 - 17:40:39) OMAP4460 ES1.1 OMAP SD/MMC: 0 reading u-boot.img reading u-boot.bin mkimage signature not found - ih_magic = ea000014 reading u-boot.bin U-Boot 2012.07-00012-g391a28d (Dec 30 2012 - 17:40:39) CPU : OMAP4460 ES1.1 Board: OMAP4 Variscite SOM I2C: ready DRAM: 1 GiB MMC: OMAP SD/MMC: 0 Using default environment In: serial Out: serial Err: serial Net: Net Initialization Skipped No ethernet found. checking for preEnv.txt reading preEnv.txt 0 bytes read Loaded environment from preEnv.txt Importing preboot environment from mmc ... Hit any key to stop autoboot: 3  0 VAR-SOM-OM44 # VAR-SOM-OM44 # setenv bootargs 'console=ttyO2,115200n8 mem=1G@0x80000000 root=/dev/mmcblk0p2 ro earlyprintk ignore_loglevel fixrtc phy.smsc.gb_enable=false video=HDMI-A-1:1920x1080@60' VAR-SOM-OM44 # loady 0x81000000 ## Ready for binary (ymodem) download to 0x81000000 at 115200 bps... CSending: uImage-dtb.omap4-var-som Sending: Transfer complete m - CRC mode, 8(SOH)/4147(STX)/0(CAN) packets, 3 retries ## Total Size = 0x0040cef2 = 4247282 Bytes VAR-SOM-OM44 # bootm 0x81000000 ## Booting kernel from Legacy Image at 81000000 ... Image Name: Linux- Image Type: ARM Linux Kernel Image (uncompressed) Data Size: 4247218 Bytes = 4.1 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] Linux version 3.13.0-rc2-00309-gdc1ccc4 (paul@nozomi) (gcc version 4.7.2 (Debian 4.7.2-5) ) #1 SMP Sun Dec 8 17:56:08 MST 2013 [ 0.000000] CPU: ARMv7 Processor [412fc09a] revision 10 (ARMv7), cr=10c53c7d [ 0.000000] CPU: PIPT / VIPT nonaliasing data cache, VIPT aliasing instruction cache [ 0.000000] Machine model: Variscite OMAP4 SOM [ 0.000000] debug: ignoring loglevel setting. [ 0.000000] cma: CMA: reserved 16 MiB at ae800000 [ 0.000000] Memory policy: Data cache writealloc [ 0.000000] On node 0 totalpages: 261888 [ 0.000000] free_area_init_node: node 0, pgdat c08755c0, node_mem_map c0de5000 [ 0.000000] Normal zone: 1520 pages used for memmap [ 0.000000] Normal zone: 0 pages reserved [ 0.000000] Normal zone: 194560 pages, LIFO batch:31 [ 0.000000] HighMem zone: 528 pages used for memmap [ 0.000000] HighMem zone: 67328 pages, LIFO batch:15 [ 0.000000] OMAP4460 ES1.1 [ 0.000000] PERCPU: Embedded 9 pages/cpu @c15fe000 s13952 r8192 d14720 u36864 [ 0.000000] pcpu-alloc: s13952 r8192 d14720 u36864 alloc=9*4096 [ 0.000000] pcpu-alloc: [0] 0 [0] 1 [ 0.000000] Built 1 zonelists in Zone order, mobility grouping on. Total pages: 260368 [ 0.000000] Kernel command line: console=ttyO2,115200n8 mem=1G@0x80000000 root=/dev/mmcblk0p2 ro earlyprintk ignore_loglevel fixrtc phy.smsc.gb_enable=false video=HDMI-A-1:1920x1080@60 [ 0.000000] PID hash table entries: 4096 (order: 2, 16384 bytes) [ 0.000000] Dentry cache hash table entries: 131072 (order: 7, 524288 bytes) [ 0.000000] Inode-cache hash table entries: 65536 (order: 6, 262144 bytes) [ 0.000000] Memory: 1007748K/1047552K available (5475K kernel code, 658K rwdata, 2128K rodata, 385K init, 5527K bss, 39804K reserved, 269312K highmem) [ 0.000000] Virtual kernel memory layout: [ 0.000000] vector : 0xffff0000 - 0xffff1000 ( 4 kB) [ 0.000000] fixmap : 0xfff00000 - 0xfffe0000 ( 896 kB) [ 0.000000] vmalloc : 0xf0000000 - 0xff000000 ( 240 MB) [ 0.000000] lowmem : 0xc0000000 - 0xef800000 ( 760 MB) [ 0.000000] pkmap : 0xbfe00000 - 0xc0000000 ( 2 MB) [ 0.000000] modules : 0xbf000000 - 0xbfe00000 ( 14 MB) [ 0.000000] .text : 0xc0008000 - 0xc0774f24 (7604 kB) [ 0.000000] .init : 0xc0775000 - 0xc07d5680 ( 386 kB) [ 0.000000] .data : 0xc07d6000 - 0xc087aa00 ( 659 kB) [ 0.000000] .bss : 0xc087aa00 - 0xc0de0870 (5528 kB) [ 0.000000] Hierarchical RCU implementation. [ 0.000000] NR_IRQS:16 nr_irqs:16 16 [ 0.000000] OMAP clockevent source: timer1 at 32768 Hz [ 0.000000] sched_clock: 32 bits at 32kHz, resolution 30517ns, wraps every 65536000000000ns [ 0.000000] OMAP clocksource: 32k_counter at 32768 Hz [ 0.000000] smp_twd: clock not found -2 [ 0.000000] Console: colour dummy device 80x30 [ 0.000000] Lock dependency validator: Copyright (c) 2006 Red Hat, Inc., Ingo Molnar [ 0.000000] ... MAX_LOCKDEP_SUBCLASSES: 8 [ 0.000000] ... MAX_LOCK_DEPTH: 48 [ 0.000000] ... MAX_LOCKDEP_KEYS: 8191 [ 0.000000] ... CLASSHASH_SIZE: 4096 [ 0.000000] ... MAX_LOCKDEP_ENTRIES: 16384 [ 0.000000] ... MAX_LOCKDEP_CHAINS: 32768 [ 0.000000] ... CHAINHASH_SIZE: 16384 [ 0.000000] memory used by lock dependency info: 3695 kB [ 0.000000] per task-struct memory footprint: 1152 bytes [ 0.000000] Calibrating local timer... 347.42MHz. [ 0.059814] Calibrating delay loop... 1384.44 BogoMIPS (lpj=6922240) [ 0.139282] pid_max: default: 32768 minimum: 301 [ 0.139801] Security Framework initialized [ 0.139984] Mount-cache hash table entries: 512 [ 0.151458] CPU: Testing write buffer coherency: ok [ 0.152923] CPU0: thread -1, cpu 0, socket 0, mpidr 80000000 [ 0.152984] Setting up static identity map for 0x80530ed0 - 0x80530f40 [ 0.153106] L310 cache controller enabled [ 0.153137] l2x0: 16 ways, CACHE_ID 0x410000c7, AUX_CTRL 0x7e470000, Cache size: 1024 kB [ 0.158203] CPU1: Booted secondary processor [ 0.188842] CPU1: thread -1, cpu 1, socket 0, mpidr 80000001 [ 0.189453] Brought up 2 CPUs [ 0.189483] SMP: Total of 2 processors activated. [ 0.189514] CPU: All CPU(s) started in SVC mode. [ 0.192260] devtmpfs: initialized [ 0.201293] VFP support v0.3: implementor 41 architecture 3 part 30 variant 9 rev 4 [ 0.284179] pinctrl core: initialized pinctrl subsystem [ 0.287445] regulator-dummy: no parameters [ 0.290374] NET: Registered protocol family 16 [ 0.297088] DMA: preallocated 256 KiB pool for atomic coherent allocations [ 0.370910] gpiochip_add: registered GPIOs 0 to 31 on device: gpio [ 0.371948] OMAP GPIO hardware version 0.1 [ 0.373687] gpiochip_add: registered GPIOs 32 to 63 on device: gpio [ 0.376098] gpiochip_add: registered GPIOs 64 to 95 on device: gpio [ 0.378509] gpiochip_add: registered GPIOs 96 to 127 on device: gpio [ 0.380615] gpiochip_add: registered GPIOs 128 to 159 on device: gpio [ 0.382781] gpiochip_add: registered GPIOs 160 to 191 on device: gpio [ 0.384460] omap-gpmc 50000000.gpmc: GPMC revision 6.0 [ 0.410675] platform 4b501000.aes: Cannot lookup hwmod 'aes' [ 0.411285] platform 480a5000.des: Cannot lookup hwmod 'des' [ 0.412567] No ATAGs? [ 0.412628] hw-breakpoint: found 5 (+1 reserved) breakpoint and 1 watchpoint registers. [ 0.412628] hw-breakpoint: maximum watchpoint size is 4 bytes. [ 0.416259] OMAP DMA hardware revision 0.0 [ 0.466857] bio: create slab at 0 [ 0.469848] edma-dma-engine edma-dma-engine.0: Can't allocate PaRAM dummy slot [ 0.469879] edma-dma-engine: probe of edma-dma-engine.0 failed with error -5 [ 0.526733] omap-dma-engine 4a056000.dma-controller: OMAP DMA engine driver [ 0.527740] of_get_named_gpiod_flags: can't parse gpios property of node '/fixedregulator@0[0]' [ 0.528442] VDD_ETH: 3300 mV [ 0.535583] SCSI subsystem initialized [ 0.537750] usbcore: registered new interface driver usbfs [ 0.538116] usbcore: registered new interface driver hub [ 0.538574] usbcore: registered new device driver usb [ 0.543792] omap_i2c 48070000.i2c: bus 0 rev0.11 at 400 kHz [ 0.544799] omap_i2c 48072000.i2c: bus 1 rev0.11 at 400 kHz [ 0.546813] omap_i2c 48060000.i2c: bus 2 rev0.11 at 400 kHz [ 0.547637] omap_i2c 48350000.i2c: bus 3 rev0.11 at 400 kHz [ 0.554016] Switched to clocksource 32k_counter [ 0.679077] NET: Registered protocol family 2 [ 0.680816] TCP established hash table entries: 8192 (order: 3, 32768 bytes) [ 0.681091] TCP bind hash table entries: 8192 (order: 6, 294912 bytes) [ 0.684112] TCP: Hash tables configured (established 8192 bind 8192) [ 0.684326] TCP: reno registered [ 0.684356] UDP hash table entries: 512 (order: 3, 40960 bytes) [ 0.684753] UDP-Lite hash table entries: 512 (order: 3, 40960 bytes) [ 0.686157] NET: Registered protocol family 1 [ 0.687408] RPC: Registered named UNIX socket transport module. [ 0.687438] RPC: Registered udp transport module. [ 0.687438] RPC: Registered tcp transport module. [ 0.687469] RPC: Registered tcp NFSv4.1 backchannel transport module. [ 0.857391] bounce pool size: 64 pages [ 0.858520] VFS: Disk quotas dquot_6.5.2 [ 0.858764] Dquot-cache hash table entries: 1024 (order 0, 4096 bytes) [ 0.860992] NFS: Registering the id_resolver key type [ 0.861328] Key type id_resolver registered [ 0.861358] Key type id_legacy registered [ 0.861480] jffs2: version 2.2. (NAND) (SUMMARY) © 2001-2006 Red Hat, Inc. [ 0.862030] msgmni has been set to 1474 [ 0.865417] io scheduler noop registered [ 0.865447] io scheduler deadline registered [ 0.865539] io scheduler cfq registered (default) [ 0.870849] pinctrl-single 4a100040.pinmux: 203 pins at pa fc100040 size 406 [ 0.871368] pinctrl-single 4a31e040.pinmux: 28 pins at pa fc31e040 size 56 [ 0.874999] Serial: 8250/16550 driver, 4 ports, IRQ sharing enabled [ 0.880889] of_get_named_gpiod_flags: can't parse gpios property of node '/ocp/serial@4806a000[0]' [ 0.881774] 4806a000.serial: ttyO0 at MMIO 0x4806a000 (irq = 104, base_baud = 3000000) is a OMAP UART0 [ 0.883514] of_get_named_gpiod_flags: can't parse gpios property of node '/ocp/serial@4806c000[0]' [ 0.884124] 4806c000.serial: ttyO1 at MMIO 0x4806c000 (irq = 105, base_baud = 3000000) is a OMAP UART1 [ 0.885223] of_get_named_gpiod_flags: can't parse gpios property of node '/ocp/serial@48020000[0]' [ 0.885589] 48020000.serial: ttyO2 at MMIO 0x48020000 (irq = 106, base_baud = 3000000) is a OMAP UART2 [ 1.698333] console [ttyO2] enabled [ 1.703582] of_get_named_gpiod_flags: can't parse gpios property of node '/ocp/serial@4806e000[0]' [ 1.713623] 4806e000.serial: ttyO3 at MMIO 0x4806e000 (irq = 102, base_baud = 3000000) is a OMAP UART3 [ 1.747711] brd: module loaded [ 1.764801] loop: module loaded [ 1.770568] Skipping twl internal clock init and using bootloader value (unknown osc rate) [ 1.780914] twl 0-0048: PIH (irq 39) nested IRQs [ 1.788696] VAUX1_6030: 1000 <--> 3000 mV at 2800 mV [ 1.795959] VAUX2_6030: 1200 <--> 2800 mV at 1800 mV [ 1.803100] VAUX3_6030: 1000 <--> 3000 mV at 1200 mV [ 1.810272] VMMC: 1200 <--> 3000 mV at 3000 mV [ 1.816925] VPP: 1800 <--> 2500 mV at 1900 mV [ 1.823364] VUSIM: 1200 <--> 2900 mV [ 1.828857] VDAC: 1800 mV [ 1.832977] VANA: 2100 mV [ 1.837585] VCXIO: 1800 mV [ 1.841796] VUSB: 3300 mV [ 1.846588] V1V8: 1800 mV [ 1.851165] V2V1: 2100 mV [ 1.861389] mtdoops: mtd device (mtddev=name/number) must be supplied [ 1.871612] omap-dma-engine 4a056000.dma-controller: allocating channel for 36 [ 1.879272] omap-dma-engine 4a056000.dma-controller: allocating channel for 35 [ 1.892913] ks8851 spi1.0: message enable is 0 [ 1.904144] ks8851 spi1.0 eth0: revision 1, MAC de:6c:55:74:1e:f6, IRQ 331, no EEPROM [ 1.915863] usbcore: registered new interface driver asix [ 1.921844] usbcore: registered new interface driver ax88179_178a [ 1.928588] usbcore: registered new interface driver cdc_ether [ 1.935058] usbcore: registered new interface driver r815x [ 1.941131] usbcore: registered new interface driver smsc95xx [ 1.947509] usbcore: registered new interface driver net1080 [ 1.953735] usbcore: registered new interface driver cdc_subset [ 1.960296] usbcore: registered new interface driver zaurus [ 1.966552] usbcore: registered new interface driver cdc_ncm [ 1.973937] usbcore: registered new interface driver cdc_wdm [ 1.980224] usbcore: registered new interface driver usb-storage [ 1.986907] usbcore: registered new interface driver usbtest [ 1.994934] mousedev: PS/2 mouse device common for all mice [ 2.005859] twl_rtc rtc.5: Power up reset detected. [ 2.011962] twl_rtc rtc.5: Enabling TWL-RTC [ 2.020751] twl_rtc rtc.5: rtc core: registered rtc.5 as rtc0 [ 2.027313] i2c /dev entries driver [ 2.034790] Driver for 1-wire Dallas network protocol. [ 2.041595] ti-soc-thermal 4a002260.bandgap: failed to request fclock reference [ 2.049316] ti-soc-thermal: probe of 4a002260.bandgap failed with error -2 [ 2.059478] omap_wdt: OMAP Watchdog Timer Rev 0x01: initial timeout 60 sec [ 2.069030] of_get_named_gpiod_flags: can't parse gpios property of node '/ocp/mmc@4809c000[0]' [ 2.078216] of_get_named_gpiod_flags: can't parse gpios property of node '/ocp/mmc@4809c000[0]' [ 2.087677] omap-dma-engine 4a056000.dma-controller: allocating channel for 62 [ 2.095336] omap-dma-engine 4a056000.dma-controller: allocating channel for 61 [ 2.103485] omap_hsmmc 4809c000.mmc: dummy supplies not allowed [ 2.109741] omap_hsmmc 4809c000.mmc: pins are not configured from the driver [ 2.154144] of_get_named_gpiod_flags: can't parse gpios property of node '/ocp/mmc@480d5000[0]' [ 2.163269] of_get_named_gpiod_flags: can't parse gpios property of node '/ocp/mmc@480d5000[0]' [ 2.172607] omap-dma-engine 4a056000.dma-controller: allocating channel for 60 [ 2.180236] omap-dma-engine 4a056000.dma-controller: allocating channel for 59 [ 2.187896] omap_hsmmc 480d5000.mmc: dummy supplies not allowed [ 2.192016] mmc0: host does not support reading read-only switch. assuming write-enable. [ 2.194244] mmc0: new high speed SDHC card at address 0007 [ 2.208374] omap_hsmmc 480d5000.mmc: vmmc regulator missing [ 2.214508] omap-dma-engine 4a056000.dma-controller: freeing channel for 59 [ 2.215393] isa bounce pool size: 16 pages [ 2.215911] mmcblk0: mmc0:0007 SD08G 7.42 GiB [ 2.221679] mmcblk0: p1 p2 [ 2.233703] omap-dma-engine 4a056000.dma-controller: freeing channel for 60 [ 2.242279] ledtrig-cpu: registered to indicate activity on CPUs [ 2.249664] usbcore: registered new interface driver usbhid [ 2.255554] usbhid: USB HID core driver [ 2.261352] oprofile: no performance counters [ 2.267395] oprofile: using timer interrupt. [ 2.272460] TCP: cubic registered [ 2.276000] Initializing XFRM netlink socket [ 2.280609] NET: Registered protocol family 17 [ 2.285430] NET: Registered protocol family 15 [ 2.290405] Key type dns_resolver registered [ 2.296356] Power Management for TI OMAP4+ devices. [ 2.301544] Power Management for TI OMAP4. [ 2.305877] OMAP4 PM: u-boot >= v2012.07 is required for full PM support [ 2.313079] ThumbEE CPU extension supported. [ 2.321929] VUSB: disabling [ 2.325744] VANA: disabling [ 2.329345] VDAC: disabling [ 2.335021] VAUX1_6030: disabling [ 2.343048] twl_rtc rtc.5: setting system clock to 2000-01-01 00:00:00 UTC (946684800) [ 2.351867] omap_uart 48020000.serial: no wakeirq for uart2 [ 2.363525] EXT3-fs (mmcblk0p2): error: couldn't mount because of unsupported optional features (240) [ 2.377227] EXT2-fs (mmcblk0p2): error: couldn't mount because of unsupported optional features (244) [ 2.415771] EXT4-fs (mmcblk0p2): INFO: recovery required on readonly filesystem [ 2.428222] EXT4-fs (mmcblk0p2): write access will be enabled during recovery [ 5.329376] EXT4-fs (mmcblk0p2): recovery complete [ 5.349273] EXT4-fs (mmcblk0p2): mounted filesystem with ordered data mode. Opts: (null) [ 5.349273] VFS: Mounted root (ext4 filesystem) readonly on device 179:2. [ 5.375030] devtmpfs: mounted [ 5.375030] Freeing unused kernel memory: 384K (c0775000 - c07d5000) [ 5.929718] random: init urandom read with 76 bits of entropy available [ 5.958038] init: Failed to create pty - disabling logging for job [ 5.968139] init: Temporary process spawn error: No space left on device [ 6.038909] init: Failed to create pty - disabling logging for job [ 6.045684] init: Temporary process spawn error: No space left on device [ 6.080352] init: Failed to create pty - disabling logging for job [ 6.089111] init: Temporary process spawn error: No space left on device [ 6.099060] init: Failed to create pty - disabling logging for job [ 6.107086] init: Temporary process spawn error: No space left on device [ 6.296234] init: ureadahead main process (789) terminated with status 5 [ 6.327178] omap_uart 48020000.serial: no wakeirq for uart2 [ 6.707397] init: Failed to create pty - disabling logging for job [ 6.714599] init: Temporary process spawn error: No space left on device [ 6.754516] init: Failed to create pty - disabling logging for job [ 6.762359] init: Temporary process spawn error: No space left on device [ 6.882995] init: Failed to create pty - disabling logging for job [ 6.889953] init: Temporary process spawn error: No space left on device [ 7.309600] random: nonblocking pool is initialized [ 7.505920] udevd[847]: starting version 175 fsck from util-linux 2.20.1 /dev/mmcblk0p2: clean, 177197/963584 files, 2985477/7708672 blocks [ 10.713989] init: udev-fallback-graphics main process (1525) terminated with status 1 [ 10.894927] EXT4-fs (mmcblk0p2): re-mounted. Opts: errors=remount-ro [ 11.048645] init: plymouth main process (790) killed by SEGV signal [ 11.065032] init: plymouth-splash main process (1544) terminated with status 2 mountall: Plymouth command failed mountall: Plymouth command failed mountall: Plymouth command failed mountall: Plymouth command failed mountall: Plymouth command failed mountall: Plymouth command failed [ 11.502777] init: plymouth-log main process (1601) terminated with status 1 [ 11.551422] init: failsafe main process (1603) killed by TERM signal [ 12.326049] Adding 524232k swap on /SWAP.swap. Priority:-1 extents:13 across:577528k SS mountall: Plymouth command failed mountall: Plymouth command failed mountall: Plymouth command failed mountall: Plymouth command failed mountall: Disconnected from Plymouth [ 12.447662] init: plymouth-upstart-bridge main process (1649) terminated with status 1 speech-dispatcher disabled; edit /etc/default/speech-dispatcher saned disabled; edit /etc/default/saned [ 13.342620] init: bluetooth main process (1668) terminated with status 1 [ 13.364440] init: bluetooth main process ended, respawning [ 13.436584] init: alsa-restore main process (1693) terminated with status 19 [ 13.452606] init: hybrid-gfx main process (1711) terminated with status 1 FATAL: Could not load /lib/modules/3.13.0-rc2-00309-gdc1ccc4/modules.dep: No such file or directory [ 14.559265] init: bluetooth main process (1788) terminated with status 1 [ 14.566925] init: bluetooth main process ended, respawning [ 14.756256] init: bluetooth main process (1815) terminated with status 1 [ 14.765380] init: bluetooth main process ended, respawning [ 14.973480] init: bluetooth main process (1840) terminated with status 1 [ 14.980926] init: bluetooth main process ended, respawning [ 15.190399] init: bluetooth main process (1865) terminated with status 1 [ 15.199157] init: bluetooth main process ended, respawning [ 15.364349] init: bluetooth main process (1893) terminated with status 1 [ 15.372589] init: bluetooth main process ended, respawning Ubuntu 12.04.1 LTS variscite-desktop ttyO2 variscite-desktop login: [ 15.531677] init: bluetooth main process (1917) terminated with status 1 [ 15.540405] init: bluetooth main process ended, respawning [ 15.699066] init: bluetooth main process (1940) terminated with status 1 [ 15.706878] init: bluetooth main process ended, respawning [ 15.906890] init: bluetooth main process (1967) terminated with status 1 [ 15.916534] init: bluetooth main process ended, respawning Ubuntu 12.04.1 LTS variscite-desktop ttyO2 variscite-desktop login: Ubuntu 12.04.1 LTS variscite-desktop ttyO2 [ 16.451049] init: bluetooth main process (2016) terminated with status 1 [ 16.461334] init: bluetooth respawning too fast, stopped variscite-desktop login: root Last login: Sat Jan 1 02:00:16 IST 2000 on ttyO2 [ 18.266784] init: lightdm main process (1755) terminated with status 1 Welcome to Ubuntu 12.04.1 LTS (GNU/Linux 3.13.0-rc2-00309-gdc1ccc4 armv7l) * Documentation: https://help.ubuntu.com/ %% Start PM consolidated quick test (retention only) %% Preparation root@variscite-desktop:~# root@variscite-desktop:~# mount -t sysfs none /sys mount: none already mounted or /sys busy mount: according to mtab, none is already mounted on /sys root@variscite-desktop:~# root@variscite-desktop:~# mount -t debugfs none /debug root@variscite-desktop:~# root@variscite-desktop:~# root@variscite-desktop:~# root@variscite-desktop:~# for u in `ls -1d /sys/bus/platform/drivers/omap_uart/* .serial | paste -s -d' '`; do echo -1 > $u/power/autosuspend_delay_ms; done root@variscite-desktop:~# root@variscite-desktop:~# echo 0 > /debug/pm_debug/enable_off_mode root@variscite-desktop:~# root@variscite-desktop:~# %% Baseline pm_debug count dump cat /debug/pm_debug/count [ 25.557830] pwrdm state mismatch(cam_pwrdm) 3 != 0 [ 25.557830] pwrdm state mismatch(ivahd_pwrdm) 3 != 1 [ 25.568145] pwrdm state mismatch(tesla_pwrdm) 3 != 1 [ 25.573455] pwrdm state mismatch(dss_pwrdm) 3 != 1 cefuse_pwrdm (OFF),OFF:2,RET:0,INA:0,ON:1,RET-LOGIC-OFF:0 always_on_core_pwrdm (ON),OFF:0,RET:0,INA:0,ON:1,RET-LOGIC-OFF:0 l4per_pwrdm (ON),OFF:0,RET:0,INA:0,ON:1,RET-LOGIC-OFF:0,RET-MEMBANK1-OFF:0,RET-MEMBANK2-OFF:0 l3init_pwrdm (RET),OFF:0,RET:11,INA:0,ON:11,RET-LOGIC-OFF:0,RET-MEMBANK1-OFF:0 cam_pwrdm (ON),OFF:0,RET:0,INA:0,ON:1,RET-LOGIC-OFF:0,RET-MEMBANK1-OFF:0 ivahd_pwrdm (ON),OFF:1,RET:0,INA:0,ON:1,RET-LOGIC-OFF:0,RET-MEMBANK1-OFF:0,RET-MEMBANK2-OFF:0,RET-MEMBANK3-OFF:0,RET-MEMBANK4-OFF:0 mpu_pwrdm (ON),OFF:0,RET:0,INA:0,ON:1,RET-LOGIC-OFF:0,RET-MEMBANK1-OFF:0,RET-MEMBANK2-OFF:0,RET-MEMBANK3-OFF:0 cpu1_pwrdm (ON),OFF:0,RET:0,INA:0,ON:1,RET-LOGIC-OFF:0,RET-MEMBANK1-OFF:0 cpu0_pwrdm (ON),OFF:0,RET:0,INA:0,ON:1,RET-LOGIC-OFF:0,RET-MEMBANK1-OFF:0 tesla_pwrdm (ON),OFF:1,RET:0,INA:0,ON:1,RET-LOGIC-OFF:0,RET-MEMBANK1-OFF:0,RET-MEMBANK2-OFF:0,RET-MEMBANK3-OFF:0 dss_pwrdm (ON),OFF:0,RET:0,INA:0,ON:1,RET-LOGIC-OFF:0,RET-MEMBANK1-OFF:0 abe_pwrdm (ON),OFF:0,RET:0,INA:0,ON:1,RET-LOGIC-OFF:0,RET-MEMBANK1-OFF:0,RET-MEMBANK2-OFF:0 gfx_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,RET-MEMBANK3-OFF:0,RET-MEMBANK4-OFF:0,RET-MEMBANK5-OFF:0 l3_dma_clkdm->core_pwrdm (0) emu_sys_clkdm->emu_pwrdm (0) l4_wkup_clkdm->wkup_pwrdm (2) l3_dss_clkdm->dss_pwrdm (0) iss_clkdm->cam_pwrdm (0) l3_1_clkdm->core_pwrdm (0) l3_2_clkdm->core_pwrdm (1) mpuss_clkdm->mpu_pwrdm (1) ducati_clkdm->core_pwrdm (0) l4_ao_clkdm->always_on_core_pwrdm (0) l3_emif_clkdm->core_pwrdm (2) mpu1_clkdm->cpu1_pwrdm (0) mpu0_clkdm->cpu0_pwrdm (0) d2d_clkdm->core_pwrdm (0) l3_init_clkdm->l3init_pwrdm (0) l3_instr_clkdm->core_pwrdm (0) abe_clkdm->abe_pwrdm (0) l4_per_clkdm->l4per_pwrdm (6) l4_secure_clkdm->l4per_pwrdm (0) ivahd_clkdm->ivahd_pwrdm (0) l3_gfx_clkdm->gfx_pwrdm (0) tesla_clkdm->tesla_pwrdm (0) l4_cfg_clkdm->core_pwrdm (0) l4_cefuse_clkdm->cefuse_pwrdm (0) root@variscite-desktop:~# root@variscite-desktop:~# echo enabled > /sys/devices/44000000.ocp/48020000.seri al/tty/ttyO2/power/wakeup root@variscite-desktop:~# %% Start retention double suspend/resume UART wakeup test echo mem > /sys/power/state [ 27.802581] PM: Syncing filesystems ... [ 34.410064] init: failsafe-x main process (2090) terminated with status 1 done. [ 37.253387] PM: Preparing system for mem sleep [ 37.271850] Freezing user space processes ... (elapsed 0.005 seconds) done. [ 37.283905] Freezing remaining freezable tasks ... (elapsed 0.003 seconds) done. [ 37.295562] PM: Entering mem sleep [ 37.295562] Suspending console(s) (use no_console_suspend to debug) [ 37.322204] PM: suspend of devices complete after 15.869 msecs [ 37.325531] PM: late suspend of devices complete after 3.234 msecs [ 37.333953] omap_hwmod: gpio6: _wait_target_disable failed [ 37.336486] PM: noirq suspend of devices complete after 10.955 msecs [ 37.336578] Disabling non-boot CPUs ... [ 37.348297] CPU1: shutdown [ 37.354187] Powerdomain (core_pwrdm) didn't enter target state 1 [ 37.354187] Powerdomain (abe_pwrdm) didn't enter target state 1 [ 37.354187] Powerdomain (mpu_pwrdm) didn't enter target state 1 [ 37.354187] Powerdomain (l4per_pwrdm) didn't enter target state 1 [ 37.354187] Powerdomain (core_pwrdm) didn't enter target state 1 [ 37.354187] Powerdomain (abe_pwrdm) didn't enter target state 1 [ 37.354187] Powerdomain (mpu_pwrdm) didn't enter target state 1 [ 37.354187] Powerdomain (l4per_pwrdm) didn't enter target state 1 [ 37.354187] Could not enter target state in pm_suspend [ 37.354187] A possible cause could be an old bootloader - try u-boot >= v2012.07 [ 37.354187] hw-breakpoint: Failed to enable monitor mode on CPU 0. [ 37.354217] Enabling non-boot CPUs ... [ 37.356597] CPU1: Booted secondary processor [ 37.359680] CPU1 is up [ 37.362030] PM: noirq resume of devices complete after 2.349 msecs [ 37.363555] PM: early resume of devices complete after 1.525 msecs [ 37.449218] PM: resume of devices complete after 83.496 msecs [ 37.586608] PM: Finishing wakeup. [ 37.586608] Restarting tasks ... done. root@variscite-desktop:~# root@variscite-desktop:~# a a: command not found root@variscite-desktop:~#