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  2  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 CRC mode, 6(SOH)/4143(STX)/0(CAN) packets, 3 retries ## Total Size = 0x0040bd9a = 4242842 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: 4242778 Bytes = 4 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-rc1-36053-g5bb1b05 (paul@knihy) (gcc version 4.7.2 (Debian 4.7.2-5) ) #1 SMP Mon Dec 9 03:11:33 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 c0873500, node_mem_map c0de3000 [ 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 @c15fc000 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: 1007756K/1047552K available (5471K kernel code, 658K rwdata, 2124K rodata, 385K init, 5527K bss, 39796K 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 - 0xc0772f4c (7596 kB) [ 0.000000] .init : 0xc0773000 - 0xc07d3680 ( 386 kB) [ 0.000000] .data : 0xc07d4000 - 0xc0878940 ( 659 kB) [ 0.000000] .bss : 0xc0878940 - 0xc0dde770 (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... 347.59MHz. [ 0.059844] Calibrating delay loop... 1384.44 BogoMIPS (lpj=6922240) [ 0.149200] pid_max: default: 32768 minimum: 301 [ 0.149780] Security Framework initialized [ 0.149963] Mount-cache hash table entries: 512 [ 0.161590] CPU: Testing write buffer coherency: ok [ 0.163085] CPU0: thread -1, cpu 0, socket 0, mpidr 80000000 [ 0.163146] Setting up static identity map for 0x8052fc10 - 0x8052fc80 [ 0.163269] L310 cache controller enabled [ 0.163269] l2x0: 16 ways, CACHE_ID 0x410000c7, AUX_CTRL 0x7e470000, Cache size: 1024 kB [ 0.168304] CPU1: Booted secondary processor [ 0.198883] CPU1: thread -1, cpu 1, socket 0, mpidr 80000001 [ 0.199493] Brought up 2 CPUs [ 0.199493] SMP: Total of 2 processors activated. [ 0.199523] CPU: All CPU(s) started in SVC mode. [ 0.202239] devtmpfs: initialized [ 0.210937] VFP support v0.3: implementor 41 architecture 3 part 30 variant 9 rev 4 [ 0.292938] pinctrl core: initialized pinctrl subsystem [ 0.296112] regulator-dummy: no parameters [ 0.299011] NET: Registered protocol family 16 [ 0.305725] DMA: preallocated 256 KiB pool for atomic coherent allocations [ 0.381500] gpiochip_add: registered GPIOs 0 to 31 on device: gpio [ 0.382598] OMAP GPIO hardware version 0.1 [ 0.384338] gpiochip_add: registered GPIOs 32 to 63 on device: gpio [ 0.386718] gpiochip_add: registered GPIOs 64 to 95 on device: gpio [ 0.389068] gpiochip_add: registered GPIOs 96 to 127 on device: gpio [ 0.391174] gpiochip_add: registered GPIOs 128 to 159 on device: gpio [ 0.393341] gpiochip_add: registered GPIOs 160 to 191 on device: gpio [ 0.395019] omap-gpmc 50000000.gpmc: GPMC revision 6.0 [ 0.420959] platform 4b501000.aes: Cannot lookup hwmod 'aes' [ 0.421569] platform 480a5000.des: Cannot lookup hwmod 'des' [ 0.422851] No ATAGs? [ 0.422882] hw-breakpoint: found 5 (+1 reserved) breakpoint and 1 watchpoint registers. [ 0.422912] hw-breakpoint: maximum watchpoint size is 4 bytes. [ 0.426513] OMAP DMA hardware revision 0.0 [ 0.476531] bio: create slab at 0 [ 0.479675] edma-dma-engine edma-dma-engine.0: Can't allocate PaRAM dummy slot [ 0.479705] edma-dma-engine: probe of edma-dma-engine.0 failed with error -5 [ 0.536468] omap-dma-engine 4a056000.dma-controller: OMAP DMA engine driver [ 0.537445] of_get_named_gpiod_flags: can't parse gpios property of node '/fixedregulator@0[0]' [ 0.538177] VDD_ETH: 3300 mV [ 0.545318] SCSI subsystem initialized [ 0.547668] usbcore: registered new interface driver usbfs [ 0.548004] usbcore: registered new interface driver hub [ 0.548492] usbcore: registered new device driver usb [ 0.553680] omap_i2c 48070000.i2c: bus 0 rev0.11 at 400 kHz [ 0.554656] omap_i2c 48072000.i2c: bus 1 rev0.11 at 400 kHz [ 0.556793] omap_i2c 48060000.i2c: bus 2 rev0.11 at 400 kHz [ 0.557617] omap_i2c 48350000.i2c: bus 3 rev0.11 at 400 kHz [ 0.563995] Switched to clocksource 32k_counter [ 0.688232] NET: Registered protocol family 2 [ 0.690002] TCP established hash table entries: 8192 (order: 3, 32768 bytes) [ 0.690277] TCP bind hash table entries: 8192 (order: 6, 294912 bytes) [ 0.692962] TCP: Hash tables configured (established 8192 bind 8192) [ 0.693176] TCP: reno registered [ 0.693206] UDP hash table entries: 512 (order: 3, 40960 bytes) [ 0.693572] UDP-Lite hash table entries: 512 (order: 3, 40960 bytes) [ 0.694976] NET: Registered protocol family 1 [ 0.696136] RPC: Registered named UNIX socket transport module. [ 0.696166] RPC: Registered udp transport module. [ 0.696166] RPC: Registered tcp transport module. [ 0.696166] RPC: Registered tcp NFSv4.1 backchannel transport module. [ 0.866149] bounce pool size: 64 pages [ 0.867156] VFS: Disk quotas dquot_6.5.2 [ 0.867401] Dquot-cache hash table entries: 1024 (order 0, 4096 bytes) [ 0.869689] NFS: Registering the id_resolver key type [ 0.870025] Key type id_resolver registered [ 0.870056] Key type id_legacy registered [ 0.870147] jffs2: version 2.2. (NAND) (SUMMARY) © 2001-2006 Red Hat, Inc. [ 0.870697] msgmni has been set to 1474 [ 0.873687] io scheduler noop registered [ 0.873718] io scheduler deadline registered [ 0.873870] io scheduler cfq registered (default) [ 0.879241] pinctrl-single 4a100040.pinmux: 203 pins at pa fc100040 size 406 [ 0.879730] pinctrl-single 4a31e040.pinmux: 28 pins at pa fc31e040 size 56 [ 0.883117] Serial: 8250/16550 driver, 4 ports, IRQ sharing enabled [ 0.888824] of_get_named_gpiod_flags: can't parse gpios property of node '/ocp/serial@4806a000[0]' [ 0.889831] 4806a000.serial: ttyO0 at MMIO 0x4806a000 (irq = 104, base_baud = 3000000) is a OMAP UART0 [ 0.891418] of_get_named_gpiod_flags: can't parse gpios property of node '/ocp/serial@4806c000[0]' [ 0.891845] 4806c000.serial: ttyO1 at MMIO 0x4806c000 (irq = 105, base_baud = 3000000) is a OMAP UART1 [ 0.892822] of_get_named_gpiod_flags: can't parse gpios property of node '/ocp/serial@48020000[0]' [ 0.893218] 48020000.serial: ttyO2 at MMIO 0x48020000 (irq = 106, base_baud = 3000000) is a OMAP UART2 [ 1.706787] console [ttyO2] enabled [ 1.711425] of_get_named_gpiod_flags: can't parse gpios property of node '/ocp/serial@4806e000[0]' [ 1.721252] 4806e000.serial: ttyO3 at MMIO 0x4806e000 (irq = 102, base_baud = 3000000) is a OMAP UART3 [ 1.755706] brd: module loaded [ 1.772735] loop: module loaded [ 1.778442] Skipping twl internal clock init and using bootloader value (unknown osc rate) [ 1.788757] twl 0-0048: PIH (irq 39) nested IRQs [ 1.796752] VAUX1_6030: 1000 <--> 3000 mV at 2800 mV [ 1.803985] VAUX2_6030: 1200 <--> 2800 mV at 1800 mV [ 1.811157] VAUX3_6030: 1000 <--> 3000 mV at 1200 mV [ 1.818450] VMMC: 1200 <--> 3000 mV at 3000 mV [ 1.825073] VPP: 1800 <--> 2500 mV at 1900 mV [ 1.831542] VUSIM: 1200 <--> 2900 mV [ 1.837036] VDAC: 1800 mV [ 1.841217] VANA: 2100 mV [ 1.845794] VCXIO: 1800 mV [ 1.850067] VUSB: 3300 mV [ 1.854888] V1V8: 1800 mV [ 1.859436] V2V1: 2100 mV [ 1.870117] mtdoops: mtd device (mtddev=name/number) must be supplied [ 1.880126] omap-dma-engine 4a056000.dma-controller: allocating channel for 36 [ 1.888000] omap-dma-engine 4a056000.dma-controller: allocating channel for 35 [ 1.901641] ks8851 spi1.0: message enable is 0 [ 1.912689] ks8851 spi1.0 eth0: revision 1, MAC 22:25:d1:7f:c8:f0, IRQ 331, no EEPROM [ 1.924621] usbcore: registered new interface driver asix [ 1.930633] usbcore: registered new interface driver ax88179_178a [ 1.937408] usbcore: registered new interface driver cdc_ether [ 1.943878] usbcore: registered new interface driver r815x [ 1.949981] usbcore: registered new interface driver smsc95xx [ 1.956329] usbcore: registered new interface driver net1080 [ 1.962585] usbcore: registered new interface driver cdc_subset [ 1.969146] usbcore: registered new interface driver zaurus [ 1.975433] usbcore: registered new interface driver cdc_ncm [ 1.982818] usbcore: registered new interface driver cdc_wdm [ 1.989166] usbcore: registered new interface driver usb-storage [ 1.995849] usbcore: registered new interface driver usbtest [ 2.003875] mousedev: PS/2 mouse device common for all mice [ 2.014160] twl_rtc rtc.5: Power up reset detected. [ 2.020233] twl_rtc rtc.5: Enabling TWL-RTC [ 2.029113] twl_rtc rtc.5: rtc core: registered rtc.5 as rtc0 [ 2.036010] i2c /dev entries driver [ 2.043151] Driver for 1-wire Dallas network protocol. [ 2.050018] ti-soc-thermal 4a002260.bandgap: failed to request fclock reference [ 2.057769] ti-soc-thermal: probe of 4a002260.bandgap failed with error -2 [ 2.068023] omap_wdt: OMAP Watchdog Timer Rev 0x01: initial timeout 60 sec [ 2.077545] of_get_named_gpiod_flags: can't parse gpios property of node '/ocp/mmc@4809c000[0]' [ 2.086761] of_get_named_gpiod_flags: can't parse gpios property of node '/ocp/mmc@4809c000[0]' [ 2.096221] omap-dma-engine 4a056000.dma-controller: allocating channel for 62 [ 2.103881] omap-dma-engine 4a056000.dma-controller: allocating channel for 61 [ 2.111968] omap_hsmmc 4809c000.mmc: dummy supplies not allowed [ 2.118255] omap_hsmmc 4809c000.mmc: pins are not configured from the driver [ 2.164093] of_get_named_gpiod_flags: can't parse gpios property of node '/ocp/mmc@480d5000[0]' [ 2.173217] of_get_named_gpiod_flags: can't parse gpios property of node '/ocp/mmc@480d5000[0]' [ 2.182586] omap-dma-engine 4a056000.dma-controller: allocating channel for 60 [ 2.190246] omap-dma-engine 4a056000.dma-controller: allocating channel for 59 [ 2.197906] omap_hsmmc 480d5000.mmc: dummy supplies not allowed [ 2.202087] mmc0: host does not support reading read-only switch. assuming write-enable. [ 2.204345] mmc0: new high speed SDHC card at address 0007 [ 2.218414] omap_hsmmc 480d5000.mmc: vmmc regulator missing [ 2.219970] isa bounce pool size: 16 pages [ 2.220489] mmcblk0: mmc0:0007 SD08G 7.42 GiB [ 2.233520] omap-dma-engine 4a056000.dma-controller: freeing channel for 59 [ 2.237976] mmcblk0: p1 p2 [ 2.243804] omap-dma-engine 4a056000.dma-controller: freeing channel for 60 [ 2.252410] ledtrig-cpu: registered to indicate activity on CPUs [ 2.259796] usbcore: registered new interface driver usbhid [ 2.265686] usbhid: USB HID core driver [ 2.271484] oprofile: no performance counters [ 2.277526] oprofile: using timer interrupt. [ 2.282592] TCP: cubic registered [ 2.286163] Initializing XFRM netlink socket [ 2.290771] NET: Registered protocol family 17 [ 2.295532] NET: Registered protocol family 15 [ 2.300476] Key type dns_resolver registered [ 2.306457] Power Management for TI OMAP4+ devices. [ 2.311645] Power Management for TI OMAP4. [ 2.315979] OMAP4 PM: u-boot >= v2012.07 is required for full PM support [ 2.323211] ThumbEE CPU extension supported. [ 2.331787] VUSB: disabling [ 2.335449] VANA: disabling [ 2.339202] VDAC: disabling [ 2.344879] VAUX1_6030: disabling [ 2.352935] twl_rtc rtc.5: setting system clock to 2000-01-01 00:00:00 UTC (946684800) [ 2.361816] omap_uart 48020000.serial: no wakeirq for uart2 [ 2.373596] EXT3-fs (mmcblk0p2): error: couldn't mount because of unsupported optional features (240) [ 2.386688] EXT2-fs (mmcblk0p2): error: couldn't mount because of unsupported optional features (244) [ 2.423858] EXT4-fs (mmcblk0p2): INFO: recovery required on readonly filesystem [ 2.435302] EXT4-fs (mmcblk0p2): write access will be enabled during recovery [ 5.033874] EXT4-fs (mmcblk0p2): recovery complete [ 5.346893] EXT4-fs (mmcblk0p2): mounted filesystem with ordered data mode. Opts: (null) [ 5.355804] VFS: Mounted root (ext4 filesystem) readonly on device 179:2. [ 5.373413] devtmpfs: mounted [ 5.373413] Freeing unused kernel memory: 384K (c0773000 - c07d3000) [ 5.927429] random: init urandom read with 76 bits of entropy available [ 5.957794] init: Failed to create pty - disabling logging for job [ 5.966949] init: Temporary process spawn error: No space left on device [ 6.039031] init: Failed to create pty - disabling logging for job [ 6.045898] init: Temporary process spawn error: No space left on device [ 6.090606] init: Failed to create pty - disabling logging for job [ 6.099822] init: Temporary process spawn error: No space left on device [ 6.114868] init: Failed to create pty - disabling logging for job [ 6.121429] init: Temporary process spawn error: No space left on device [ 6.285430] init: ureadahead main process (789) terminated with status 5 [ 6.338531] omap_uart 48020000.serial: no wakeirq for uart2 [ 6.718658] init: Failed to create pty - disabling logging for job [ 6.718658] init: Temporary process spawn error: No space left on device [ 6.766571] init: Failed to create pty - disabling logging for job [ 6.774536] init: Temporary process spawn error: No space left on device [ 6.894012] init: Failed to create pty - disabling logging for job [ 6.894439] init: Temporary process spawn error: No space left on device [ 7.249298] random: nonblocking pool is initialized [ 7.551086] udevd[846]: starting version 175 fsck from util-linux 2.20.1 /dev/mmcblk0p2: clean, 177199/963584 files, 2985815/7708672 blocks [ 10.718292] EXT4-fs (mmcblk0p2): re-mounted. Opts: errors=remount-ro [ 10.810180] init: udev-fallback-graphics main process (1532) terminated with status 1 [ 11.084197] init: plymouth-splash main process (1544) terminated with status 2 [ 11.105865] init: plymouth main process (790) killed by SEGV signal mountall: Plymouth command failed mountall: Plymouth command failed mountall: Plymouth command failed mountall: Plymouth command failed mountall: Plymouth command failed mountall: Plymouth command failed mountall: Plymouth command failed mountall: Disconnected from Plymouth [ 11.437622] init: plymouth-log main process (1591) terminated with status 1 [ 11.551116] init: failsafe main process (1593) killed by TERM signal [ 12.283935] Adding 524232k swap on /SWAP.swap. Priority:-1 extents:13 across:577528k SS [ 12.514373] init: plymouth-upstart-bridge main process (1644) terminated with status 1 [ 12.780120] omap_uart 48020000.serial: no wakeirq for uart2 speech-dispatcher disabled; edit /etc/default/speech-dispatcher saned disabled; edit /etc/default/saned [ 13.235504] init: bluetooth main process (1663) terminated with status 1 [ 13.265655] init: bluetooth main process ended, respawning [ 13.325073] init: alsa-restore main process (1688) terminated with status 19 [ 13.343902] init: hybrid-gfx main process (1702) terminated with status 1 FATAL: Could not load /lib/modules/3.13.0-rc1-36053-g5bb1b05/modules.dep: No such file or directory [ 14.438079] init: bluetooth main process (1778) terminated with status 1 [ 14.446502] init: bluetooth main process ended, respawning [ 14.646545] init: bluetooth main process (1802) terminated with status 1 [ 14.654510] init: bluetooth main process ended, respawning [ 14.858032] init: bluetooth main process (1836) terminated with status 1 [ 14.865753] init: bluetooth main process ended, respawning [ 15.082855] init: bluetooth main process (1861) terminated with status 1 [ 15.092773] init: bluetooth main process ended, respawning [ 15.271636] init: bluetooth main process (1887) terminated with status 1 [ 15.279724] init: bluetooth main process ended, respawning Ubuntu 12.04.1 LTS variscite-desktop ttyO2 variscite-desktop login: [ 15.440704] init: bluetooth main process (1911) terminated with status 1 [ 15.448486] init: bluetooth main process ended, respawning [ 15.611694] init: bluetooth main process (1934) terminated with status 1 [ 15.620574] init: bluetooth main process ended, respawning [ 15.826629] init: bluetooth main process (1960) terminated with status 1 [ 15.833892] init: bluetooth main process ended, respawning [ 16.037200] init: bluetooth main process (1983) terminated with status 1 [ 16.049102] 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 variscite-desktop login: [ 16.490173] init: bluetooth main process (2006) terminated with status 1 [ 16.497497] init: bluetooth respawning too fast, stopped root Last login: Sat Jan 1 02:00:16 IST 2000 on ttyO2 [ 18.056976] init: lightdm main process (1737) terminated with status 1 Welcome to Ubuntu 12.04.1 LTS (GNU/Linux 3.13.0-rc1-36053-g5bb1b05 armv7l) * Documentation: https://help.ubuntu.com/ %% Start PM consolidated quick test (retention only) %% Preparation root@variscite-desktop:~# root@variscite-desktop:~# 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 [ 25.560150] pwrdm state mismatch(cam_pwrdm) 3 != 0 [ 25.565216] pwrdm state mismatch(ivahd_pwrdm) 3 != 1 [ 25.570495] pwrdm state mismatch(tesla_pwrdm) 3 != 1 [ 25.575805] 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:8,INA:0,ON:8,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 [ 28.164001] PM: Syncing filesystems ... [ 34.000122] init: failsafe-x main process (2051) terminated with status 1 done. [ 37.396057] PM: Preparing system for mem sleep [ 37.417602] Freezing user space processes ... (elapsed 0.006 seconds) done. [ 37.433898] Freezing remaining freezable tasks ... (elapsed 0.007 seconds) done. [ 37.444824] PM: Entering mem sleep [ 37.448394] Suspending console(s) (use no_console_suspend to debug) [ 37.471160] PM: suspend of devices complete after 12.878 msecs [ 37.474670] PM: late suspend of devices complete after 3.021 msecs [ 37.478424] omap_hwmod: gpio6: _wait_target_disable failed [ 37.485290] PM: noirq suspend of devices complete after 10.620 msecs [ 37.485290] Disabling non-boot CPUs ... [ 37.498046] CPU1: shutdown [ 37.499786] Powerdomain (core_pwrdm) didn't enter target state 1 [ 37.499786] Powerdomain (abe_pwrdm) didn't enter target state 1 [ 37.499786] Powerdomain (mpu_pwrdm) didn't enter target state 1 [ 37.499786] Powerdomain (l4per_pwrdm) didn't enter target state 1 [ 37.499786] Powerdomain (core_pwrdm) didn't enter target state 1 [ 37.499786] Powerdomain (abe_pwrdm) didn't enter target state 1 [ 37.499786] Powerdomain (mpu_pwrdm) didn't enter target state 1 [ 37.499786] Powerdomain (l4per_pwrdm) didn't enter target state 1 [ 37.499786] Could not enter target state in pm_suspend [ 37.499786] A possible cause could be an old bootloader - try u-boot >= v2012.07 [ 37.499786] hw-breakpoint: Failed to enable monitor mode on CPU 0. [ 37.500122] Enabling non-boot CPUs ... [ 37.502563] CPU1: Booted secondary processor [ 37.505920] CPU1 is up [ 37.508300] PM: noirq resume of devices complete after 2.380 msecs [ 37.512054] PM: early resume of devices complete after 2.471 msecs [ 37.585174] PM: resume of devices complete after 73.089 msecs [ 37.722869] PM: Finishing wakeup. [ 37.722869] Restarting tasks ... done. root@variscite-desktop:~# root@variscite-desktop:~# a a: command not found root@variscite-desktop:~#