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, 5(SOH)/4234(STX)/0(CAN) packets, 3 retries ## Total Size = 0x00422909 = 4335881 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: 4335817 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 3.15.0-rc1-64222-gc9eaa44 (paul@knihy) (gcc version 4.7.2 (Debian 4.7.2-5) ) #1 SMP Mon Apr 21 11:38:09 MDT 2014 [ 0.000000] CPU: ARMv7 Processor [412fc09a] revision 10 (ARMv7), cr=10c5387d [ 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 c08946c0, node_mem_map edff2000 [ 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 @edf9f000 s14080 r8192 d14592 u36864 [ 0.000000] pcpu-alloc: s14080 r8192 d14592 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: 1007440K/1047552K available (5572K kernel code, 663K rwdata, 2144K rodata, 389K init, 5522K bss, 40112K 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 - 0xc079134c (7717 kB) [ 0.000000] .init : 0xc0792000 - 0xc07f3700 ( 390 kB) [ 0.000000] .data : 0xc07f4000 - 0xc0899ec0 ( 664 kB) [ 0.000000] .bss : 0xc0899ec0 - 0xc0dfea90 (5523 kB) [ 0.000000] Hierarchical RCU implementation. [ 0.000000] NR_IRQS:16 nr_irqs:16 16 [ 0.000000] ti_dt_clocks_register: failed to lookup clock node div_ts_ck [ 0.000000] ti_dt_clocks_register: failed to lookup clock node bandgap_ts_fclk [ 0.000000] OMAP clockevent source: timer1 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 [ 0.000183] smp_twd: clock not found -2 [ 0.002105] Console: colour dummy device 80x30 [ 0.002166] Lock dependency validator: Copyright (c) 2006 Red Hat, Inc., Ingo Molnar [ 0.002197] ... MAX_LOCKDEP_SUBCLASSES: 8 [ 0.002197] ... MAX_LOCK_DEPTH: 48 [ 0.002197] ... MAX_LOCKDEP_KEYS: 8191 [ 0.002197] ... CLASSHASH_SIZE: 4096 [ 0.002227] ... MAX_LOCKDEP_ENTRIES: 16384 [ 0.002227] ... MAX_LOCKDEP_CHAINS: 32768 [ 0.002227] ... CHAINHASH_SIZE: 16384 [ 0.002258] memory used by lock dependency info: 3695 kB [ 0.002258] per task-struct memory footprint: 1152 bytes [ 0.002319] Calibrating local timer... 347.60MHz. [ 0.058685] Calibrating delay loop... 1384.44 BogoMIPS (lpj=6922240) [ 0.148040] pid_max: default: 32768 minimum: 301 [ 0.148651] Security Framework initialized [ 0.148834] Mount-cache hash table entries: 2048 (order: 1, 8192 bytes) [ 0.148864] Mountpoint-cache hash table entries: 2048 (order: 1, 8192 bytes) [ 0.151885] CPU: Testing write buffer coherency: ok [ 0.153381] CPU0: thread -1, cpu 0, socket 0, mpidr 80000000 [ 0.153442] Setting up static identity map for 0x80548050 - 0x805480c0 [ 0.153564] L310 cache controller enabled [ 0.153594] l2x0: 16 ways, CACHE_ID 0x410000c7, AUX_CTRL 0x7e470000, Cache size: 1024 kB [ 0.158782] CPU1: Booted secondary processor [ 0.197723] CPU1: thread -1, cpu 1, socket 0, mpidr 80000001 [ 0.198333] Brought up 2 CPUs [ 0.198333] SMP: Total of 2 processors activated. [ 0.198364] CPU: All CPU(s) started in SVC mode. [ 0.201080] devtmpfs: initialized [ 0.210327] VFP support v0.3: implementor 41 architecture 3 part 30 variant 9 rev 4 [ 0.214294] omap_hwmod: l3_main_3 using broken dt data from ocp [ 0.218017] omap_hwmod: l3_main_2 using broken dt data from ocp [ 0.376831] pinctrl core: initialized pinctrl subsystem [ 0.379394] regulator-dummy: no parameters [ 0.422576] NET: Registered protocol family 16 [ 0.429504] DMA: preallocated 256 KiB pool for atomic coherent allocations [ 0.501190] gpiochip_add: registered GPIOs 0 to 31 on device: gpio [ 0.502014] OMAP GPIO hardware version 0.1 [ 0.503082] gpiochip_add: registered GPIOs 32 to 63 on device: gpio [ 0.504730] gpiochip_add: registered GPIOs 64 to 95 on device: gpio [ 0.506317] gpiochip_add: registered GPIOs 96 to 127 on device: gpio [ 0.507934] gpiochip_add: registered GPIOs 128 to 159 on device: gpio [ 0.509521] gpiochip_add: registered GPIOs 160 to 191 on device: gpio [ 0.510833] omap-gpmc 50000000.gpmc: GPMC revision 6.0 [ 0.528381] platform 4b501000.aes: Cannot lookup hwmod 'aes' [ 0.528808] platform 480a5000.des: Cannot lookup hwmod 'des' [ 0.530792] No ATAGs? [ 0.530883] hw-breakpoint: found 5 (+1 reserved) breakpoint and 1 watchpoint registers. [ 0.530883] hw-breakpoint: maximum watchpoint size is 4 bytes. [ 0.533447] OMAP DMA hardware revision 0.0 [ 0.555847] edma-dma-engine edma-dma-engine.0: Can't allocate PaRAM dummy slot [ 0.555908] edma-dma-engine: probe of edma-dma-engine.0 failed with error -5 [ 0.589813] omap-dma-engine 4a056000.dma-controller: OMAP DMA engine driver [ 0.590576] of_get_named_gpiod_flags: can't parse gpios property of node '/fixedregulator@0[0]' [ 0.591186] VDD_ETH: 3300 mV [ 0.595397] SCSI subsystem initialized [ 0.596160] usbcore: registered new interface driver usbfs [ 0.596343] usbcore: registered new interface driver hub [ 0.596649] usbcore: registered new device driver usb [ 0.605987] omap_i2c 48070000.i2c: bus 0 rev0.11 at 400 kHz [ 0.607086] omap_i2c 48072000.i2c: bus 1 rev0.11 at 400 kHz [ 0.608734] omap_i2c 48060000.i2c: bus 2 rev0.11 at 400 kHz [ 0.609588] omap_i2c 48350000.i2c: bus 3 rev0.11 at 400 kHz [ 0.613677] Switched to clocksource 32k_counter [ 0.745849] NET: Registered protocol family 2 [ 0.747650] TCP established hash table entries: 8192 (order: 3, 32768 bytes) [ 0.747924] TCP bind hash table entries: 8192 (order: 6, 294912 bytes) [ 0.750549] TCP: Hash tables configured (established 8192 bind 8192) [ 0.750793] TCP: reno registered [ 0.750823] UDP hash table entries: 512 (order: 3, 40960 bytes) [ 0.751159] UDP-Lite hash table entries: 512 (order: 3, 40960 bytes) [ 0.752380] NET: Registered protocol family 1 [ 0.753570] RPC: Registered named UNIX socket transport module. [ 0.753601] RPC: Registered udp transport module. [ 0.753601] RPC: Registered tcp transport module. [ 0.753631] RPC: Registered tcp NFSv4.1 backchannel transport module. [ 0.759429] futex hash table entries: 512 (order: 3, 32768 bytes) [ 0.917968] bounce pool size: 64 pages [ 0.918914] VFS: Disk quotas dquot_6.5.2 [ 0.919067] Dquot-cache hash table entries: 1024 (order 0, 4096 bytes) [ 0.921081] NFS: Registering the id_resolver key type [ 0.921447] Key type id_resolver registered [ 0.921447] Key type id_legacy registered [ 0.921569] jffs2: version 2.2. (NAND) (SUMMARY) © 2001-2006 Red Hat, Inc. [ 0.922119] msgmni has been set to 1473 [ 0.924957] io scheduler noop registered [ 0.924957] io scheduler deadline registered [ 0.925048] io scheduler cfq registered (default) [ 0.929168] pinctrl-single 4a100040.pinmux: 203 pins at pa fc100040 size 406 [ 0.929626] pinctrl-single 4a31e040.pinmux: 28 pins at pa fc31e040 size 56 [ 0.931793] pbias_mmc_omap4: 1800 <--> 3000 mV at 3000 mV [ 0.932952] Serial: 8250/16550 driver, 4 ports, IRQ sharing enabled [ 0.939178] omap_uart 4806a000.serial: no wakeirq for uart0 [ 0.939208] of_get_named_gpiod_flags: can't parse gpios property of node '/ocp/serial@4806a000[0]' [ 0.939971] 4806a000.serial: ttyO0 at MMIO 0x4806a000 (irq = 104, base_baud = 3000000) is a OMAP UART0 [ 0.941864] omap_uart 4806c000.serial: no wakeirq for uart0 [ 0.941864] of_get_named_gpiod_flags: can't parse gpios property of node '/ocp/serial@4806c000[0]' [ 0.942321] 4806c000.serial: ttyO1 at MMIO 0x4806c000 (irq = 105, base_baud = 3000000) is a OMAP UART1 [ 0.943603] omap_uart 48020000.serial: no wakeirq for uart0 [ 0.943603] of_get_named_gpiod_flags: can't parse gpios property of node '/ocp/serial@48020000[0]' [ 0.944732] 48020000.serial: ttyO2 at MMIO 0x48020000 (irq = 106, base_baud = 3000000) is a OMAP UART2 [ 1.819427] console [ttyO2] enabled [ 1.824310] omap_uart 4806e000.serial: no wakeirq for uart0 [ 1.830169] of_get_named_gpiod_flags: can't parse gpios property of node '/ocp/serial@4806e000[0]' [ 1.840209] 4806e000.serial: ttyO3 at MMIO 0x4806e000 (irq = 102, base_baud = 3000000) is a OMAP UART3 [ 1.871398] brd: module loaded [ 1.887084] loop: module loaded [ 1.892120] Skipping twl internal clock init and using bootloader value (unknown osc rate) [ 1.902404] twl 0-0048: PIH (irq 39) nested IRQs [ 1.910125] VAUX1_6030: 1000 <--> 3000 mV at 2800 mV [ 1.917449] VAUX2_6030: 1200 <--> 2800 mV at 1800 mV [ 1.924438] VAUX3_6030: 1000 <--> 3000 mV at 1200 mV [ 1.931274] VMMC: 1200 <--> 3000 mV at 3000 mV [ 1.937713] VPP: 1800 <--> 2500 mV at 1900 mV [ 1.944000] VUSIM: 1200 <--> 2900 mV [ 1.949188] VDAC: 1800 mV [ 1.953124] VANA: 2100 mV [ 1.957611] VCXIO: 1800 mV [ 1.961639] VUSB: 3300 mV [ 1.965972] V1V8: 1800 mV [ 1.970306] V2V1: 2100 mV [ 1.977874] mtdoops: mtd device (mtddev=name/number) must be supplied [ 1.991912] ks8851 spi1.0: message enable is 0 [ 2.002349] ks8851 spi1.0 eth0: revision 1, MAC 32:e5:9e:5a:1c:22, IRQ 331, no EEPROM [ 2.012603] usbcore: registered new interface driver asix [ 2.018951] usbcore: registered new interface driver ax88179_178a [ 2.025482] usbcore: registered new interface driver cdc_ether [ 2.031768] usbcore: registered new interface driver smsc95xx [ 2.037963] usbcore: registered new interface driver net1080 [ 2.044036] usbcore: registered new interface driver cdc_subset [ 2.050354] usbcore: registered new interface driver zaurus [ 2.056427] usbcore: registered new interface driver cdc_ncm [ 2.063262] usbcore: registered new interface driver cdc_wdm [ 2.069458] usbcore: registered new interface driver usb-storage [ 2.075988] usbcore: registered new interface driver usbtest [ 2.084411] mousedev: PS/2 mouse device common for all mice [ 2.093109] twl_rtc rtc.5: Power up reset detected. [ 2.099212] twl_rtc rtc.5: Enabling TWL-RTC [ 2.107666] twl_rtc rtc.5: rtc core: registered rtc.5 as rtc0 [ 2.114044] i2c /dev entries driver [ 2.120788] Driver for 1-wire Dallas network protocol. [ 2.129791] omap_wdt: OMAP Watchdog Timer Rev 0x01: initial timeout 60 sec [ 2.138488] of_get_named_gpiod_flags: can't parse gpios property of node '/ocp/mmc@4809c000[0]' [ 2.147644] of_get_named_gpiod_flags: can't parse gpios property of node '/ocp/mmc@4809c000[0]' [ 2.157745] omap_hsmmc 4809c000.mmc: pins are not configured from the driver [ 2.203765] of_get_named_gpiod_flags: can't parse gpios property of node '/ocp/mmc@480d5000[0]' [ 2.213134] of_get_named_gpiod_flags: can't parse gpios property of node '/ocp/mmc@480d5000[0]' [ 2.222717] 480d5000.mmc supply vmmc not found, using dummy regulator [ 2.229705] omap_hsmmc 480d5000.mmc: could not set regulator OCR (-22) [ 2.236602] omap_hsmmc 480d5000.mmc: pins are not configured from the driver [ 2.244476] omap_hsmmc 480d5000.mmc: could not set regulator OCR (-22) [ 2.281402] mmc0: host does not support reading read-only switch. assuming write-enable. [ 2.290832] usbcore: registered new interface driver usbhid [ 2.296752] usbhid: USB HID core driver [ 2.301910] oprofile: no performance counters [ 2.307495] oprofile: using timer interrupt. [ 2.307800] mmc0: new high speed SDHC card at address 0007 [ 2.310058] mmcblk0: mmc0:0007 SD08G 7.42 GiB [ 2.322906] TCP: cubic registered [ 2.326416] Initializing XFRM netlink socket [ 2.331268] NET: Registered protocol family 17 [ 2.331359] mmcblk0: p1 p2 [ 2.338989] NET: Registered protocol family 15 [ 2.343994] Key type dns_resolver registered [ 2.349609] Power Management for TI OMAP4+ devices. [ 2.354858] Power Management for TI OMAP4. [ 2.359191] OMAP4 PM: u-boot >= v2012.07 is required for full PM support [ 2.366455] ThumbEE CPU extension supported. [ 2.371002] Registering SWP/SWPB emulation handler [ 2.379943] VUSB: disabling [ 2.383514] VANA: disabling [ 2.387145] VDAC: disabling [ 2.392608] VAUX1_6030: disabling [ 2.400360] twl_rtc rtc.5: setting system clock to 2000-01-01 00:00:00 UTC (946684800) [ 2.451660] EXT3-fs (mmcblk0p2): error: couldn't mount because of unsupported optional features (240) [ 2.465179] EXT2-fs (mmcblk0p2): error: couldn't mount because of unsupported optional features (244) [ 2.503509] EXT4-fs (mmcblk0p2): INFO: recovery required on readonly filesystem [ 2.512359] EXT4-fs (mmcblk0p2): write access will be enabled during recovery [ 4.671539] EXT4-fs (mmcblk0p2): recovery complete [ 4.982971] EXT4-fs (mmcblk0p2): mounted filesystem with ordered data mode. Opts: (null) [ 4.982971] VFS: Mounted root (ext4 filesystem) readonly on device 179:2. [ 5.008666] devtmpfs: mounted [ 5.008666] Freeing unused kernel memory: 388K (c0792000 - c07f3000) [ 5.555664] random: init urandom read with 62 bits of entropy available [ 5.583709] init: Failed to create pty - disabling logging for job [ 5.583709] init: Temporary process spawn error: No space left on device [ 5.661712] init: Failed to create pty - disabling logging for job [ 5.668518] init: Temporary process spawn error: No space left on device [ 5.700531] init: Failed to create pty - disabling logging for job [ 5.708953] init: Temporary process spawn error: No space left on device [ 5.721343] init: Failed to create pty - disabling logging for job [ 5.728271] init: Temporary process spawn error: No space left on device [ 5.895629] init: ureadahead main process (796) terminated with status 5 [ 6.314086] init: Failed to create pty - disabling logging for job [ 6.314086] init: Temporary process spawn error: No space left on device [ 6.363525] init: Failed to create pty - disabling logging for job [ 6.370330] init: Temporary process spawn error: No space left on device [ 6.493896] init: Failed to create pty - disabling logging for job [ 6.493896] init: Temporary process spawn error: No space left on device [ 7.464538] udevd[853]: starting version 175 [ 8.233489] random: nonblocking pool is initialized fsck from util-linux 2.20.1 [ 10.424499] init: udev-fallback-graphics main process (1531) terminated with status 1 /dev/mmcblk0p2: clean, 177322/963584 files, 2986357/7708672 blocks [ 10.588867] EXT4-fs (mmcblk0p2): re-mounted. Opts: errors=remount-ro [ 10.811920] init: plymouth main process (797) killed by SEGV signal [ 10.824584] init: plymouth-splash main process (1543) 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 [ 11.245635] init: plymouth-log main process (1603) terminated with status 1 [ 11.281463] init: failsafe main process (1605) killed by TERM signal [ 12.073516] 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 [ 12.772705] init: plymouth-upstart-bridge main process (1647) terminated with status 1 speech-dispatcher disabled; edit /etc/default/speech-dispatcher saned disabled; edit /etc/default/saned [ 13.886230] init: bluetooth main process (1668) terminated with status 1 [ 13.901580] init: bluetooth main process ended, respawning [ 13.994049] init: alsa-restore main process (1702) terminated with status 19 [ 14.019439] init: hybrid-gfx main process (1715) terminated with status 1 FATAL: Could not load /lib/modules/3.15.0-rc1-64222-gc9eaa44/modules.dep: No such file or directory [ 15.304321] init: bluetooth main process (1794) terminated with status 1 [ 15.304321] init: bluetooth main process ended, respawning [ 15.532287] init: bluetooth main process (1827) terminated with status 1 [ 15.543945] init: bluetooth main process ended, respawning [ 15.714355] init: bluetooth main process (1855) terminated with status 1 [ 15.722076] init: bluetooth main process ended, respawning [ 15.878967] init: bluetooth main process (1879) terminated with status 1 [ 15.887145] init: bluetooth main process ended, respawning Ubuntu 12.04.1 LTS variscite-desktop ttyO2 variscite-desktop login: [ 16.041076] init: bluetooth main process (1902) terminated with status 1 [ 16.049224] init: bluetooth main process ended, respawning [ 16.235656] init: bluetooth main process (1927) terminated with status 1 [ 16.245056] 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 [ 16.423461] init: bluetooth main process (1951) terminated with status 1 variscite-desktop[ 16.431304] init: bluetooth main process ended, respawning login: root [ 16.601745] init: bluetooth main process (1974) terminated with status 1 [ 16.610473] init: bluetooth main process ended, respawning [ 17.182434] init: bluetooth main process (1998) terminated with status 1 [ 17.191253] init: bluetooth main process ended, respawning [ 17.425048] init: bluetooth main process (2021) terminated with status 1 [ 17.444396] init: bluetooth respawning too fast, stopped Last login: Sat Jan 1 02:00:16 IST 2000 on ttyO2 [ 18.511444] init: lightdm main process (1758) terminated with status 1 Welcome to Ubuntu 12.04.1 LTS (GNU/Linux 3.15.0-rc1-64222-gc9eaa44 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 [ 25.472381] pwrdm state mismatch(cam_pwrdm) 3 != 0 [ 25.477478] pwrdm state mismatch(ivahd_pwrdm) 3 != 1 [ 25.482788] pwrdm state mismatch(tesla_pwrdm) 3 != 1 [ 25.488037] 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 [ 27.725982] PM: Syncing filesystems ... [ 34.859924] init: failsafe-x main process (2098) terminated with status 1 [ 37.099761] done. [ 37.101806] PM: Preparing system for mem sleep [ 37.120422] Freezing user space processes ... (elapsed 0.006 seconds) done. [ 37.133941] Freezing remaining freezable tasks ... (elapsed 0.002 seconds) done. [ 37.142181] PM: Entering mem sleep [ 37.148956] Suspending console(s) (use no_console_suspend to debug) [ 37.172882] PM: suspend of devices complete after 14.404 msecs [ 37.177429] PM: late suspend of devices complete after 4.516 msecs [ 37.189544] omap_hwmod: gpio6: _wait_target_disable failed [ 37.190185] PM: noirq suspend of devices complete after 12.725 msecs [ 37.190307] Disabling non-boot CPUs ... [ 37.199462] CPU1: shutdown [ 37.208160] Powerdomain (core_pwrdm) didn't enter target state 1 [ 37.208160] Powerdomain (abe_pwrdm) didn't enter target state 1 [ 37.208160] Powerdomain (mpu_pwrdm) didn't enter target state 1 [ 37.208160] Powerdomain (l4per_pwrdm) didn't enter target state 1 [ 37.208160] Powerdomain (core_pwrdm) didn't enter target state 1 [ 37.208160] Powerdomain (abe_pwrdm) didn't enter target state 1 [ 37.208160] Powerdomain (mpu_pwrdm) didn't enter target state 1 [ 37.208160] Powerdomain (l4per_pwrdm) didn't enter target state 1 [ 37.208160] Could not enter target state in pm_suspend [ 37.208160] A possible cause could be an old bootloader - try u-boot >= v2012.07 [ 37.208160] hw-breakpoint: Failed to enable monitor mode on CPU 0. [ 37.208190] Enabling non-boot CPUs ... [ 37.210357] CPU1: Booted secondary processor [ 37.213165] CPU1 is up [ 37.214294] PM: noirq resume of devices complete after 1.098 msecs [ 37.220275] PM: early resume of devices complete after 5.981 msecs [ 37.297485] PM: resume of devices complete after 77.056 msecs [ 37.434082] PM: Finishing wakeup. [ 37.437591] Restarting tasks ... done. [ 37.449401] omap_hsmmc 480d5000.mmc: could not set regulator OCR (-22) 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 [ 39.452636] PM: Syncing filesystems ... done. [ 40.118804] PM: Preparing system for mem sleep [ 40.125579] Freezing user space processes ... (elapsed 0.002 seconds) done. [ 40.136230] Freezing remaining freezable tasks ... (elapsed 0.006 seconds) done. [ 40.145629] PM: Entering mem sleep [ 40.145629] Suspending console(s) (use no_console_suspend to debug) [ 40.167602] PM: suspend of devices complete after 21.850 msecs [ 40.167602] PM: late suspend of devices complete after 0.001 msecs [ 40.183074] omap_hwmod: gpio6: _wait_target_disable failed [ 40.183654] PM: noirq suspend of devices complete after 16.052 msecs [ 40.183685] Disabling non-boot CPUs ... [ 40.187286] CPU1: shutdown [ 40.188262] Powerdomain (core_pwrdm) didn't enter target state 1 [ 40.188262] Powerdomain (abe_pwrdm) didn't enter target state 1 [ 40.188262] Powerdomain (mpu_pwrdm) didn't enter target state 1 [ 40.188262] Powerdomain (l4per_pwrdm) didn't enter target state 1 [ 40.188262] Powerdomain (core_pwrdm) didn't enter target state 1 [ 40.188262] Powerdomain (abe_pwrdm) didn't enter target state 1 [ 40.188262] Powerdomain (mpu_pwrdm) didn't enter target state 1 [ 40.188262] Powerdomain (l4per_pwrdm) didn't enter target state 1 [ 40.188262] Could not enter target state in pm_suspend [ 40.188262] A possible cause could be an old bootloader - try u-boot >= v2012.07 [ 40.188262] hw-breakpoint: CPU 0 failed to disable vector catch [ 40.188262] Enabling non-boot CPUs ... [ 40.190246] CPU1: Booted secondary processor [ 40.191070] CPU1 is up [ 40.193939] PM: noirq resume of devices complete after 1.007 msecs [ 40.197601] PM: early resume of devices complete after 3.662 msecs [ 40.291778] PM: resume of devices complete after 94.024 msecs [ 40.421112] PM: Finishing wakeup. [ 40.430664] Restarting tasks ... done. [ 40.439575] omap_hsmmc 480d5000.mmc: could not set regulator OCR (-22) 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)