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 - CRC mode, 5(SOH)/4097(STX)/0(CAN) packets, 3 retries ## Total Size = 0x00400532 = 4195634 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: 4195570 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-rc3-36727-g736e812 (paul@knihy) (gcc version 4.7.2 (Debian 4.7.2-5) ) #1 SMP Tue Dec 10 02:58:42 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 c084af80, node_mem_map c0dbb000 [ 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 @c15d4000 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: 1007916K/1047552K available (5466K kernel code, 592K rwdata, 2092K rodata, 325K init, 5526K bss, 39636K 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 - 0xc0769b70 (7559 kB) [ 0.000000] .init : 0xc076a000 - 0xc07bb680 ( 326 kB) [ 0.000000] .data : 0xc07bc000 - 0xc08503c0 ( 593 kB) [ 0.000000] .bss : 0xc08503c0 - 0xc0db5fb0 (5527 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... 347.47MHz. [ 0.059814] Calibrating delay loop... 1384.44 BogoMIPS (lpj=6922240) [ 0.149169] pid_max: default: 32768 minimum: 301 [ 0.149719] Security Framework initialized [ 0.149902] Mount-cache hash table entries: 512 [ 0.161132] CPU: Testing write buffer coherency: ok [ 0.162628] CPU0: thread -1, cpu 0, socket 0, mpidr 80000000 [ 0.162689] Setting up static identity map for 0x8052ee20 - 0x8052ee90 [ 0.162780] L310 cache controller enabled [ 0.162811] l2x0: 16 ways, CACHE_ID 0x410000c7, AUX_CTRL 0x7e470000, Cache size: 1024 kB [ 0.167846] CPU1: Booted secondary processor [ 0.198791] CPU1: thread -1, cpu 1, socket 0, mpidr 80000001 [ 0.199432] Brought up 2 CPUs [ 0.199432] SMP: Total of 2 processors activated. [ 0.199462] CPU: All CPU(s) started in SVC mode. [ 0.202178] devtmpfs: initialized [ 0.210937] VFP support v0.3: implementor 41 architecture 3 part 30 variant 9 rev 4 [ 0.212310] omap_hwmod: l3_main_3 using broken dt data from ocp [ 0.213531] omap_hwmod: l3_main_2 using broken dt data from ocp [ 0.300140] pinctrl core: initialized pinctrl subsystem [ 0.303375] regulator-dummy: no parameters [ 0.306182] NET: Registered protocol family 16 [ 0.312835] DMA: preallocated 256 KiB pool for atomic coherent allocations [ 0.386413] gpiochip_add: registered GPIOs 0 to 31 on device: gpio [ 0.387542] OMAP GPIO hardware version 0.1 [ 0.389282] gpiochip_add: registered GPIOs 32 to 63 on device: gpio [ 0.391601] gpiochip_add: registered GPIOs 64 to 95 on device: gpio [ 0.393676] gpiochip_add: registered GPIOs 96 to 127 on device: gpio [ 0.395874] gpiochip_add: registered GPIOs 128 to 159 on device: gpio [ 0.398040] gpiochip_add: registered GPIOs 160 to 191 on device: gpio [ 0.399719] omap-gpmc 50000000.gpmc: GPMC revision 6.0 [ 0.424438] platform 4b501000.aes: Cannot lookup hwmod 'aes' [ 0.425018] platform 480a5000.des: Cannot lookup hwmod 'des' [ 0.426361] No ATAGs? [ 0.426391] hw-breakpoint: found 5 (+1 reserved) breakpoint and 1 watchpoint registers. [ 0.426422] hw-breakpoint: maximum watchpoint size is 4 bytes. [ 0.429870] OMAP DMA hardware revision 0.0 [ 0.475250] bio: create slab at 0 [ 0.478118] edma-dma-engine edma-dma-engine.0: Can't allocate PaRAM dummy slot [ 0.478179] edma-dma-engine: probe of edma-dma-engine.0 failed with error -5 [ 0.532104] omap-dma-engine 4a056000.dma-controller: OMAP DMA engine driver [ 0.533050] of_get_named_gpiod_flags: can't parse gpios property of node '/fixedregulator@0[0]' [ 0.533782] VDD_ETH: 3300 mV [ 0.540466] SCSI subsystem initialized [ 0.541992] usbcore: registered new interface driver usbfs [ 0.542327] usbcore: registered new interface driver hub [ 0.542755] usbcore: registered new device driver usb [ 0.547637] omap_i2c 48070000.i2c: bus 0 rev0.11 at 400 kHz [ 0.548645] omap_i2c 48072000.i2c: bus 1 rev0.11 at 400 kHz [ 0.550262] omap_i2c 48060000.i2c: bus 2 rev0.11 at 400 kHz [ 0.551086] omap_i2c 48350000.i2c: bus 3 rev0.11 at 400 kHz [ 0.557403] Switched to clocksource 32k_counter [ 0.682128] NET: Registered protocol family 2 [ 0.683959] TCP established hash table entries: 8192 (order: 3, 32768 bytes) [ 0.684204] TCP bind hash table entries: 8192 (order: 6, 294912 bytes) [ 0.686889] TCP: Hash tables configured (established 8192 bind 8192) [ 0.687103] TCP: reno registered [ 0.687164] UDP hash table entries: 512 (order: 3, 40960 bytes) [ 0.687591] UDP-Lite hash table entries: 512 (order: 3, 40960 bytes) [ 0.688934] NET: Registered protocol family 1 [ 0.690155] RPC: Registered named UNIX socket transport module. [ 0.690185] RPC: Registered udp transport module. [ 0.690185] RPC: Registered tcp transport module. [ 0.690185] RPC: Registered tcp NFSv4.1 backchannel transport module. [ 0.860015] bounce pool size: 64 pages [ 0.861083] VFS: Disk quotas dquot_6.5.2 [ 0.861328] Dquot-cache hash table entries: 1024 (order 0, 4096 bytes) [ 0.863525] NFS: Registering the id_resolver key type [ 0.863891] Key type id_resolver registered [ 0.863891] Key type id_legacy registered [ 0.864013] jffs2: version 2.2. (NAND) (SUMMARY) © 2001-2006 Red Hat, Inc. [ 0.864562] msgmni has been set to 1474 [ 0.867858] io scheduler noop registered [ 0.867889] io scheduler deadline registered [ 0.867980] io scheduler cfq registered (default) [ 0.873138] pinctrl-single 4a100040.pinmux: 203 pins at pa fc100040 size 406 [ 0.873626] pinctrl-single 4a31e040.pinmux: 28 pins at pa fc31e040 size 56 [ 0.876800] Serial: 8250/16550 driver, 4 ports, IRQ sharing enabled [ 0.882507] of_get_named_gpiod_flags: can't parse gpios property of node '/ocp/serial@4806a000[0]' [ 0.883483] 4806a000.serial: ttyO0 at MMIO 0x4806a000 (irq = 104, base_baud = 3000000) is a OMAP UART0 [ 0.884948] of_get_named_gpiod_flags: can't parse gpios property of node '/ocp/serial@4806c000[0]' [ 0.885345] 4806c000.serial: ttyO1 at MMIO 0x4806c000 (irq = 105, base_baud = 3000000) is a OMAP UART1 [ 0.886413] of_get_named_gpiod_flags: can't parse gpios property of node '/ocp/serial@48020000[0]' [ 0.886779] 48020000.serial: ttyO2 at MMIO 0x48020000 (irq = 106, base_baud = 3000000) is a OMAP UART2 [ 1.712310] console [ttyO2] enabled [ 1.716918] of_get_named_gpiod_flags: can't parse gpios property of node '/ocp/serial@4806e000[0]' [ 1.726776] 4806e000.serial: ttyO3 at MMIO 0x4806e000 (irq = 102, base_baud = 3000000) is a OMAP UART3 [ 1.760406] brd: module loaded [ 1.777313] loop: module loaded [ 1.782989] Skipping twl internal clock init and using bootloader value (unknown osc rate) [ 1.793151] twl 0-0048: PIH (irq 39) nested IRQs [ 1.801635] VAUX1_6030: 1000 <--> 3000 mV at 2800 mV [ 1.809082] VAUX2_6030: 1200 <--> 2800 mV at 1800 mV [ 1.816162] VAUX3_6030: 1000 <--> 3000 mV at 1200 mV [ 1.823333] VMMC: 1200 <--> 3000 mV at 3000 mV [ 1.829895] VPP: 1800 <--> 2500 mV at 1900 mV [ 1.836334] VUSIM: 1200 <--> 2900 mV [ 1.841827] VDAC: 1800 mV [ 1.845916] VANA: 2100 mV [ 1.850616] VCXIO: 1800 mV [ 1.854827] VUSB: 3300 mV [ 1.859619] V1V8: 1800 mV [ 1.864166] V2V1: 2100 mV [ 1.874237] mtdoops: mtd device (mtddev=name/number) must be supplied [ 1.884582] omap-dma-engine 4a056000.dma-controller: allocating channel for 36 [ 1.892272] omap-dma-engine 4a056000.dma-controller: allocating channel for 35 [ 1.905853] ks8851 spi1.0: message enable is 0 [ 1.916931] ks8851 spi1.0 eth0: revision 1, MAC 2e:c7:a8:6a:4d:b0, IRQ 331, no EEPROM [ 1.928588] usbcore: registered new interface driver asix [ 1.934539] usbcore: registered new interface driver ax88179_178a [ 1.941284] usbcore: registered new interface driver cdc_ether [ 1.947723] usbcore: registered new interface driver r815x [ 1.953826] usbcore: registered new interface driver smsc95xx [ 1.960205] usbcore: registered new interface driver net1080 [ 1.966430] usbcore: registered new interface driver cdc_subset [ 1.972991] usbcore: registered new interface driver zaurus [ 1.979217] usbcore: registered new interface driver cdc_ncm [ 1.986602] usbcore: registered new interface driver cdc_wdm [ 1.992919] usbcore: registered new interface driver usb-storage [ 1.999603] usbcore: registered new interface driver usbtest [ 2.007690] mousedev: PS/2 mouse device common for all mice [ 2.017730] twl_rtc rtc.5: Power up reset detected. [ 2.023773] twl_rtc rtc.5: Enabling TWL-RTC [ 2.032562] twl_rtc rtc.5: rtc core: registered rtc.5 as rtc0 [ 2.039733] i2c /dev entries driver [ 2.046874] Driver for 1-wire Dallas network protocol. [ 2.053680] ti-soc-thermal 4a002260.bandgap: failed to request fclock reference [ 2.061431] ti-soc-thermal: probe of 4a002260.bandgap failed with error -2 [ 2.071594] omap_wdt: OMAP Watchdog Timer Rev 0x01: initial timeout 60 sec [ 2.081237] of_get_named_gpiod_flags: can't parse gpios property of node '/ocp/mmc@4809c000[0]' [ 2.090423] of_get_named_gpiod_flags: can't parse gpios property of node '/ocp/mmc@4809c000[0]' [ 2.099914] omap-dma-engine 4a056000.dma-controller: allocating channel for 62 [ 2.107543] omap-dma-engine 4a056000.dma-controller: allocating channel for 61 [ 2.115631] omap_hsmmc 4809c000.mmc: dummy supplies not allowed [ 2.121887] omap_hsmmc 4809c000.mmc: pins are not configured from the driver [ 2.167449] of_get_named_gpiod_flags: can't parse gpios property of node '/ocp/mmc@480d5000[0]' [ 2.176574] of_get_named_gpiod_flags: can't parse gpios property of node '/ocp/mmc@480d5000[0]' [ 2.185913] omap-dma-engine 4a056000.dma-controller: allocating channel for 60 [ 2.193572] omap-dma-engine 4a056000.dma-controller: allocating channel for 59 [ 2.201232] omap_hsmmc 480d5000.mmc: dummy supplies not allowed [ 2.205444] mmc0: host does not support reading read-only switch. assuming write-enable. [ 2.207702] mmc0: new high speed SDHC card at address 0007 [ 2.209991] isa bounce pool size: 16 pages [ 2.210479] mmcblk0: mmc0:0007 SD08G 7.42 GiB [ 2.230682] omap_hsmmc 480d5000.mmc: vmmc regulator missing [ 2.235321] mmcblk0: p1 p2 [ 2.239654] omap-dma-engine 4a056000.dma-controller: freeing channel for 59 [ 2.246978] omap-dma-engine 4a056000.dma-controller: freeing channel for 60 [ 2.255584] ledtrig-cpu: registered to indicate activity on CPUs [ 2.262939] usbcore: registered new interface driver usbhid [ 2.268829] usbhid: USB HID core driver [ 2.274597] oprofile: no performance counters [ 2.280609] oprofile: using timer interrupt. [ 2.285675] TCP: cubic registered [ 2.289245] Initializing XFRM netlink socket [ 2.293823] NET: Registered protocol family 17 [ 2.298553] NET: Registered protocol family 15 [ 2.303497] Key type dns_resolver registered [ 2.309356] Power Management for TI OMAP4+ devices. [ 2.314544] Power Management for TI OMAP4. [ 2.318878] OMAP4 PM: u-boot >= v2012.07 is required for full PM support [ 2.326080] ThumbEE CPU extension supported. [ 2.334625] VUSB: disabling [ 2.338348] VANA: disabling [ 2.341979] VDAC: disabling [ 2.347656] VAUX1_6030: disabling [ 2.355865] twl_rtc rtc.5: setting system clock to 2000-01-01 00:00:00 UTC (946684800) [ 2.366119] omap_uart 48020000.serial: no wakeirq for uart2 [ 2.376464] EXT3-fs (mmcblk0p2): error: couldn't mount because of unsupported optional features (240) [ 2.389526] EXT2-fs (mmcblk0p2): error: couldn't mount because of unsupported optional features (244) [ 2.427246] EXT4-fs (mmcblk0p2): INFO: recovery required on readonly filesystem [ 2.438232] EXT4-fs (mmcblk0p2): write access will be enabled during recovery [ 5.361999] EXT4-fs (mmcblk0p2): recovery complete [ 5.381988] EXT4-fs (mmcblk0p2): mounted filesystem with ordered data mode. Opts: (null) [ 5.381988] VFS: Mounted root (ext4 filesystem) readonly on device 179:2. [ 5.407470] devtmpfs: mounted [ 5.407470] Freeing unused kernel memory: 324K (c076a000 - c07bb000) [ 5.964935] random: init urandom read with 72 bits of entropy available [ 5.993957] init: Failed to create pty - disabling logging for job [ 6.004547] init: Temporary process spawn error: No space left on device [ 6.074615] init: Failed to create pty - disabling logging for job [ 6.081359] init: Temporary process spawn error: No space left on device [ 6.109741] init: Failed to create pty - disabling logging for job [ 6.109863] init: Temporary process spawn error: No space left on device [ 6.127349] init: Failed to create pty - disabling logging for job [ 6.130767] init: Temporary process spawn error: No space left on device [ 6.420257] init: ureadahead main process (789) terminated with status 5 [ 6.430664] omap_uart 48020000.serial: no wakeirq for uart2 [ 6.794189] init: Failed to create pty - disabling logging for job [ 6.802886] init: Temporary process spawn error: No space left on device [ 6.851501] init: Failed to create pty - disabling logging for job [ 6.858306] init: Temporary process spawn error: No space left on device [ 6.977355] init: Failed to create pty - disabling logging for job [ 6.984893] init: Temporary process spawn error: No space left on device [ 7.480804] random: nonblocking pool is initialized [ 7.846527] udevd[847]: starting version 175 fsck from util-linux 2.20.1 /dev/mmcblk0p2: clean, 177208/963584 files, 2986733/7708672 blocks [ 10.889282] init: udev-fallback-graphics main process (1523) terminated with status 1 [ 11.014099] EXT4-fs (mmcblk0p2): re-mounted. Opts: errors=remount-ro [ 11.209442] init: plymouth main process (790) killed by SEGV signal [ 11.221557] init: plymouth-splash main process (1535) 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 [ 11.691741] init: plymouth-log main process (1594) terminated with status 1 [ 11.726165] init: failsafe main process (1595) killed by TERM signal [ 12.671112] 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 [ 13.344940] init: plymouth-upstart-bridge main process (1646) terminated with status 1 [ 13.512695] omap_uart 48020000.serial: no wakeirq for uart2 speech-dispatcher disabled; edit /etc/default/speech-dispatcher [ 14.162750] init: alsa-restore main process (1677) terminated with status 19 saned disabled; edit /etc/default/saned [ 14.230773] init: hybrid-gfx main process (1689) terminated with status 1 [ 14.879638] init: bluetooth main process (1666) terminated with status 1 [ 14.886810] init: bluetooth main process ended, respawning [ 15.174652] init: bluetooth main process (1778) terminated with status 1 [ 15.183227] init: bluetooth main process ended, respawning [ 15.361358] init: bluetooth main process (1801) terminated with status 1 [ 15.369720] init: bluetooth main process ended, respawning [ 15.555480] init: bluetooth main process (1826) terminated with status 1 [ 15.563385] init: bluetooth main process ended, respawning FATAL: Could not load /lib/modules/3.13.0-rc3-36727-g736e812/modules.dep: No such file or directory [ 15.960266] init: bluetooth main process (1852) terminated with status 1 [ 15.967681] init: bluetooth main process ended, respawning [ 16.130096] init: bluetooth main process (1888) terminated with status 1 [ 16.138366] init: bluetooth main process ended, respawning [ 16.295410] init: bluetooth main process (1911) terminated with status 1 [ 16.302856] init: bluetooth main process ended, respawning Ubuntu 12.04.1 LTS variscite-desktop ttyO2 variscite-desktop login: [ 16.502716] init: bluetooth main process (1934) terminated with status 1 [ 16.510009] init: bluetooth main process ended, respawning [ 17.128143] init: bluetooth main process (1964) terminated with status 1 [ 17.138305] init: bluetooth main process ended, respawning [ 17.342071] init: bluetooth main process (1987) terminated with status 1 Ubuntu 12.04.1 LTS variscite-desktop ttyO2 [ 17.352478] init: bluetooth main process ended, respawning variscite-desktop login: Ubuntu 12.04.1 LTS variscite-desktop ttyO2 variscite-desktop login: [ 17.564086] init: bluetooth main process (2010) terminated with status 1 root [ 17.573730] init: bluetooth respawning too fast, stopped Last login: Sat Jan 1 02:00:16 IST 2000 on ttyO2 [ 18.934906] init: lightdm main process (1717) terminated with status 1 Welcome to Ubuntu 12.04.1 LTS (GNU/Linux 3.13.0-rc3-36727-g736e812 armv7l) * Documentation: https://help.ubuntu.com/ root@variscite-desktop:~# root@variscite-desktop:~# %% 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 [ 26.395385] pwrdm state mismatch(cam_pwrdm) 3 != 0 [ 26.400451] pwrdm state mismatch(ivahd_pwrdm) 3 != 1 [ 26.405822] pwrdm state mismatch(tesla_pwrdm) 3 != 1 [ 26.411102] 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 [ 28.637268] PM: Syncing filesystems ... [ 35.837860] init: failsafe-x main process (2076) terminated with status 1 done. [ 38.260375] PM: Preparing system for mem sleep [ 38.287322] Freezing user space processes ... (elapsed 0.007 seconds) done. [ 38.299865] Freezing remaining freezable tasks ... (elapsed 0.003 seconds) done. [ 38.311157] PM: Entering mem sleep [ 38.317932] Suspending console(s) (use no_console_suspend to debug) [ 38.340667] PM: suspend of devices complete after 17.272 msecs [ 38.340667] PM: late suspend of devices complete after 0.001 msecs [ 38.348083] omap_hwmod: gpio6: _wait_target_disable failed [ 38.354949] PM: noirq suspend of devices complete after 14.282 msecs [ 38.355041] Disabling non-boot CPUs ... [ 38.366180] CPU1: shutdown [ 38.368072] Powerdomain (core_pwrdm) didn't enter target state 1 [ 38.368072] Powerdomain (abe_pwrdm) didn't enter target state 1 [ 38.368072] Powerdomain (mpu_pwrdm) didn't enter target state 1 [ 38.368072] Powerdomain (l4per_pwrdm) didn't enter target state 1 [ 38.368072] Powerdomain (core_pwrdm) didn't enter target state 1 [ 38.368072] Powerdomain (abe_pwrdm) didn't enter target state 1 [ 38.368072] Powerdomain (mpu_pwrdm) didn't enter target state 1 [ 38.368072] Powerdomain (l4per_pwrdm) didn't enter target state 1 [ 38.368072] Could not enter target state in pm_suspend [ 38.368072] A possible cause could be an old bootloader - try u-boot >= v2012.07 [ 38.368072] hw-breakpoint: Failed to enable monitor mode on CPU 0. [ 38.368133] Enabling non-boot CPUs ... [ 38.370361] CPU1: Booted secondary processor [ 38.373535] CPU1 is up [ 38.375854] PM: noirq resume of devices complete after 2.319 msecs [ 38.379455] PM: early resume of devices complete after 3.601 msecs [ 38.458648] PM: resume of devices complete after 79.010 msecs [ 38.596160] PM: Finishing wakeup. [ 38.596160] Restarting tasks ... done. root@variscite-desktop:~# root@variscite-desktop:~# root@variscite-desktop:~# root@variscite-desktop:~# cat /debug/pm_debug/count cefuse_pwrdm (OFF),OFF:2,RET:0,INA:0,ON:1,RET-LOGIC-OFF:0 always_on_core_pwrdm (ON),OFF:1,RET:0,INA:0,ON:2,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:13,INA:0,ON:13,RET-LOGIC-OFF:1,RET-MEMBANK1-OFF:0 cam_pwrdm (OFF),OFF:1,RET:0,INA:0,ON:1,RET-LOGIC-OFF:0,RET-MEMBANK1-OFF:0 ivahd_pwrdm (RET),OFF:1,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 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:1,RET:0,INA:0,ON:2,RET-LOGIC-OFF:0,RET-MEMBANK1-OFF:0 cpu0_pwrdm (ON),OFF:1,RET:0,INA:0,ON:2,RET-LOGIC-OFF:0,RET-MEMBANK1-OFF:0 tesla_pwrdm (RET),OFF:1,RET:1,INA:0,ON:1,RET-LOGIC-OFF:1,RET-MEMBANK1-OFF:0,RET-MEMBANK2-OFF:0,RET-MEMBANK3-OFF:0 dss_pwrdm (RET),OFF:0,RET:1,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 (10) 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:~# root@variscite-desktop:~# root@variscite-desktop:~# echo mem > /sys/power/state [ 40.622619] PM: Syncing filesystems ... done. [ 41.286102] PM: Preparing system for mem sleep [ 41.293701] Freezing user space processes ... (elapsed 0.002 seconds) done. [ 41.304199] Freezing remaining freezable tasks ... (elapsed 0.006 seconds) done. [ 41.313171] PM: Entering mem sleep [ 41.314056] Suspending console(s) (use no_console_suspend to debug) [ 41.336517] PM: suspend of devices complete after 12.390 msecs [ 41.339874] PM: late suspend of devices complete after 0.001 msecs [ 41.344970] omap_hwmod: gpio6: _wait_target_disable failed [ 41.350250] PM: noirq suspend of devices complete after 10.375 msecs [ 41.350280] Disabling non-boot CPUs ... [ 41.353942] CPU1: shutdown [ 41.354034] Powerdomain (core_pwrdm) didn't enter target state 1 [ 41.354034] Powerdomain (abe_pwrdm) didn't enter target state 1 [ 41.354034] Powerdomain (mpu_pwrdm) didn't enter target state 1 [ 41.354034] Powerdomain (l4per_pwrdm) didn't enter target state 1 [ 41.354034] Powerdomain (core_pwrdm) didn't enter target state 1 [ 41.354034] Powerdomain (abe_pwrdm) didn't enter target state 1 [ 41.354034] Powerdomain (mpu_pwrdm) didn't enter target state 1 [ 41.354034] Powerdomain (l4per_pwrdm) didn't enter target state 1 [ 41.354034] Could not enter target state in pm_suspend [ 41.354034] A possible cause could be an old bootloader - try u-boot >= v2012.07 [ 41.354034] hw-breakpoint: CPU 0 failed to disable vector catch [ 41.354095] Enabling non-boot CPUs ... [ 41.356170] CPU1: Booted secondary processor [ 41.356964] CPU1 is up [ 41.359191] PM: noirq resume of devices complete after 0.885 msecs [ 41.361206] PM: early resume of devices complete after 2.014 msecs [ 41.455566] PM: resume of devices complete after 92.864 msecs [ 41.591888] PM: Finishing wakeup. [ 41.595367] Restarting tasks ... done. root@variscite-desktop:~# root@variscite-desktop:~# root@variscite-desktop:~# root@variscite-desktop:~# cat /debug/pm_debug/count cefuse_pwrdm (OFF),OFF:2,RET:0,INA:0,ON:1,RET-LOGIC-OFF:0 always_on_core_pwrdm (ON),OFF:2,RET:0,INA:0,ON:3,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:15,INA:0,ON:15,RET-LOGIC-OFF:2,RET-MEMBANK1-OFF:0 cam_pwrdm (OFF),OFF:1,RET:0,INA:0,ON:1,RET-LOGIC-OFF:0,RET-MEMBANK1-OFF:0 ivahd_pwrdm (RET),OFF:1,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 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:2,RET:0,INA:0,ON:3,RET-LOGIC-OFF:0,RET-MEMBANK1-OFF:0 cpu0_pwrdm (ON),OFF:2,RET:0,INA:0,ON:3,RET-LOGIC-OFF:0,RET-MEMBANK1-OFF:0 tesla_pwrdm (RET),OFF:1,RET:1,INA:0,ON:1,RET-LOGIC-OFF:2,RET-MEMBANK1-OFF:0,RET-MEMBANK2-OFF:0,RET-MEMBANK3-OFF:0 dss_pwrdm (RET),OFF:0,RET:1,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 (10) 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:~# root@variscite-desktop:~# root@variscite-desktop:~# ./test_rootfs_access_nonexistent_file__ret_susp -bash: ./test_rootfs_access_nonexistent_file__ret_susp: No such file or directory root@variscite-desktop:~# root@variscite-desktop:~# %% 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/* .serial | paste -s -d' '`; do echo 3000 > $u/power/autosuspend_delay_ms; done root@variscite-desktop:~# root@variscite-desktop:~# root@variscite-desktop:~# root@variscite-desktop:~# cat /debug/pm_debug/count cefuse_pwrdm (OFF),OFF:2,RET:0,INA:0,ON:1,RET-LOGIC-OFF:0 always_on_core_pwrdm (ON),OFF:2,RET:0,INA:0,ON:3,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:17,INA:0,ON:17,RET-LOGIC-OFF:2,RET-MEMBANK1-OFF:0 cam_pwrdm (OFF),OFF:1,RET:0,INA:0,ON:1,RET-LOGIC-OFF:0,RET-MEMBANK1-OFF:0 ivahd_pwrdm (RET),OFF:1,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 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:2,RET:0,INA:0,ON:3,RET-LOGIC-OFF:0,RET-MEMBANK1-OFF:0 cpu0_pwrdm (ON),OFF:2,RET:0,INA:0,ON:3,RET-LOGIC-OFF:0,RET-MEMBANK1-OFF:0 tesla_pwrdm (RET),OFF:1,RET:1,INA:0,ON:1,RET-LOGIC-OFF:2,RET-MEMBANK1-OFF:0,RET-MEMBANK2-OFF:0,RET-MEMBANK3-OFF:0 dss_pwrdm (RET),OFF:0,RET:1,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 (2) 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:~# root@variscite-desktop:~# root@variscite-desktop:~# ./test_rootfs_access_nonexistent_file__ret_dyn -bash: ./test_rootfs_access_nonexistent_file__ret_dyn: No such file or directory 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:~# %% End retention dynamic idle UART wakeup test %% End PM consolidated quick test (retention only)