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)/4142(STX)/0(CAN) packets, 3 retries ## Total Size = 0x0040b91a = 4241690 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: 4241626 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-rc1-36049-g6ce4eac (paul@knihy) (gcc version 4.7.2 (Debian 4.7.2-5) ) #1 SMP Sun Dec 8 17:38:34 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 - 0xc0772f38 (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... 347.43MHz. [ 0.059875] Calibrating delay loop... 1384.44 BogoMIPS (lpj=6922240) [ 0.139343] pid_max: default: 32768 minimum: 301 [ 0.139892] Security Framework initialized [ 0.140075] Mount-cache hash table entries: 512 [ 0.152038] CPU: Testing write buffer coherency: ok [ 0.153533] CPU0: thread -1, cpu 0, socket 0, mpidr 80000000 [ 0.153594] Setting up static identity map for 0x8052fb50 - 0x8052fbc0 [ 0.153717] L310 cache controller enabled [ 0.153717] l2x0: 16 ways, CACHE_ID 0x410000c7, AUX_CTRL 0x7e470000, Cache size: 1024 kB [ 0.158752] CPU1: Booted secondary processor [ 0.188903] CPU1: thread -1, cpu 1, socket 0, mpidr 80000001 [ 0.189514] Brought up 2 CPUs [ 0.189544] SMP: Total of 2 processors activated. [ 0.189544] CPU: All CPU(s) started in SVC mode. [ 0.192291] devtmpfs: initialized [ 0.201202] VFP support v0.3: implementor 41 architecture 3 part 30 variant 9 rev 4 [ 0.282806] pinctrl core: initialized pinctrl subsystem [ 0.286010] regulator-dummy: no parameters [ 0.289276] NET: Registered protocol family 16 [ 0.296081] DMA: preallocated 256 KiB pool for atomic coherent allocations [ 0.369964] gpiochip_add: registered GPIOs 0 to 31 on device: gpio [ 0.371032] OMAP GPIO hardware version 0.1 [ 0.372772] gpiochip_add: registered GPIOs 32 to 63 on device: gpio [ 0.375183] gpiochip_add: registered GPIOs 64 to 95 on device: gpio [ 0.377685] gpiochip_add: registered GPIOs 96 to 127 on device: gpio [ 0.379821] gpiochip_add: registered GPIOs 128 to 159 on device: gpio [ 0.381988] gpiochip_add: registered GPIOs 160 to 191 on device: gpio [ 0.383666] omap-gpmc 50000000.gpmc: GPMC revision 6.0 [ 0.409301] platform 4b501000.aes: Cannot lookup hwmod 'aes' [ 0.409912] platform 480a5000.des: Cannot lookup hwmod 'des' [ 0.411224] No ATAGs? [ 0.411254] hw-breakpoint: found 5 (+1 reserved) breakpoint and 1 watchpoint registers. [ 0.411254] hw-breakpoint: maximum watchpoint size is 4 bytes. [ 0.414886] OMAP DMA hardware revision 0.0 [ 0.465148] bio: create slab at 0 [ 0.468139] edma-dma-engine edma-dma-engine.0: Can't allocate PaRAM dummy slot [ 0.468170] edma-dma-engine: probe of edma-dma-engine.0 failed with error -5 [ 0.525360] omap-dma-engine 4a056000.dma-controller: OMAP DMA engine driver [ 0.526336] of_get_named_gpiod_flags: can't parse gpios property of node '/fixedregulator@0[0]' [ 0.527069] VDD_ETH: 3300 mV [ 0.534057] SCSI subsystem initialized [ 0.535675] usbcore: registered new interface driver usbfs [ 0.536132] usbcore: registered new interface driver hub [ 0.537414] usbcore: registered new device driver usb [ 0.542572] omap_i2c 48070000.i2c: bus 0 rev0.11 at 400 kHz [ 0.543548] omap_i2c 48072000.i2c: bus 1 rev0.11 at 400 kHz [ 0.545227] omap_i2c 48060000.i2c: bus 2 rev0.11 at 400 kHz [ 0.546112] omap_i2c 48350000.i2c: bus 3 rev0.11 at 400 kHz [ 0.552429] Switched to clocksource 32k_counter [ 0.676361] NET: Registered protocol family 2 [ 0.678131] TCP established hash table entries: 8192 (order: 3, 32768 bytes) [ 0.678405] TCP bind hash table entries: 8192 (order: 6, 294912 bytes) [ 0.681060] TCP: Hash tables configured (established 8192 bind 8192) [ 0.681304] TCP: reno registered [ 0.681335] UDP hash table entries: 512 (order: 3, 40960 bytes) [ 0.681701] UDP-Lite hash table entries: 512 (order: 3, 40960 bytes) [ 0.683197] NET: Registered protocol family 1 [ 0.684448] RPC: Registered named UNIX socket transport module. [ 0.684448] RPC: Registered udp transport module. [ 0.684478] RPC: Registered tcp transport module. [ 0.684478] RPC: Registered tcp NFSv4.1 backchannel transport module. [ 0.855987] bounce pool size: 64 pages [ 0.857055] VFS: Disk quotas dquot_6.5.2 [ 0.857299] Dquot-cache hash table entries: 1024 (order 0, 4096 bytes) [ 0.859558] NFS: Registering the id_resolver key type [ 0.859924] Key type id_resolver registered [ 0.859924] Key type id_legacy registered [ 0.860046] jffs2: version 2.2. (NAND) (SUMMARY) © 2001-2006 Red Hat, Inc. [ 0.860565] msgmni has been set to 1474 [ 0.863922] io scheduler noop registered [ 0.863952] io scheduler deadline registered [ 0.864044] io scheduler cfq registered (default) [ 0.869354] pinctrl-single 4a100040.pinmux: 203 pins at pa fc100040 size 406 [ 0.869842] pinctrl-single 4a31e040.pinmux: 28 pins at pa fc31e040 size 56 [ 0.873260] Serial: 8250/16550 driver, 4 ports, IRQ sharing enabled [ 0.878875] of_get_named_gpiod_flags: can't parse gpios property of node '/ocp/serial@4806a000[0]' [ 0.879821] 4806a000.serial: ttyO0 at MMIO 0x4806a000 (irq = 104, base_baud = 3000000) is a OMAP UART0 [ 0.881622] of_get_named_gpiod_flags: can't parse gpios property of node '/ocp/serial@4806c000[0]' [ 0.881988] 4806c000.serial: ttyO1 at MMIO 0x4806c000 (irq = 105, base_baud = 3000000) is a OMAP UART1 [ 0.883056] of_get_named_gpiod_flags: can't parse gpios property of node '/ocp/serial@48020000[0]' [ 0.883422] 48020000.serial: ttyO2 at MMIO 0x48020000 (irq = 106, base_baud = 3000000) is a OMAP UART2 [ 1.696746] console [ttyO2] enabled [ 1.701629] of_get_named_gpiod_flags: can't parse gpios property of node '/ocp/serial@4806e000[0]' [ 1.711639] 4806e000.serial: ttyO3 at MMIO 0x4806e000 (irq = 102, base_baud = 3000000) is a OMAP UART3 [ 1.745300] brd: module loaded [ 1.762420] loop: module loaded [ 1.768157] Skipping twl internal clock init and using bootloader value (unknown osc rate) [ 1.778503] twl 0-0048: PIH (irq 39) nested IRQs [ 1.786315] VAUX1_6030: 1000 <--> 3000 mV at 2800 mV [ 1.793731] VAUX2_6030: 1200 <--> 2800 mV at 1800 mV [ 1.800903] VAUX3_6030: 1000 <--> 3000 mV at 1200 mV [ 1.808105] VMMC: 1200 <--> 3000 mV at 3000 mV [ 1.814880] VPP: 1800 <--> 2500 mV at 1900 mV [ 1.821380] VUSIM: 1200 <--> 2900 mV [ 1.826812] VDAC: 1800 mV [ 1.830932] VANA: 2100 mV [ 1.835479] VCXIO: 1800 mV [ 1.839752] VUSB: 3300 mV [ 1.844451] V1V8: 1800 mV [ 1.848968] V2V1: 2100 mV [ 1.859130] mtdoops: mtd device (mtddev=name/number) must be supplied [ 1.869323] omap-dma-engine 4a056000.dma-controller: allocating channel for 36 [ 1.877014] omap-dma-engine 4a056000.dma-controller: allocating channel for 35 [ 1.890655] ks8851 spi1.0: message enable is 0 [ 1.901672] ks8851 spi1.0 eth0: revision 1, MAC fa:30:f6:48:c9:fc, IRQ 331, no EEPROM [ 1.913604] usbcore: registered new interface driver asix [ 1.919586] usbcore: registered new interface driver ax88179_178a [ 1.926330] usbcore: registered new interface driver cdc_ether [ 1.932800] usbcore: registered new interface driver r815x [ 1.938873] usbcore: registered new interface driver smsc95xx [ 1.945251] usbcore: registered new interface driver net1080 [ 1.951507] usbcore: registered new interface driver cdc_subset [ 1.958068] usbcore: registered new interface driver zaurus [ 1.964294] usbcore: registered new interface driver cdc_ncm [ 1.971679] usbcore: registered new interface driver cdc_wdm [ 1.977996] usbcore: registered new interface driver usb-storage [ 1.984680] usbcore: registered new interface driver usbtest [ 1.992645] mousedev: PS/2 mouse device common for all mice [ 2.003295] twl_rtc rtc.5: Power up reset detected. [ 2.009368] twl_rtc rtc.5: Enabling TWL-RTC [ 2.018127] twl_rtc rtc.5: rtc core: registered rtc.5 as rtc0 [ 2.024719] i2c /dev entries driver [ 2.031860] Driver for 1-wire Dallas network protocol. [ 2.039001] ti-soc-thermal 4a002260.bandgap: failed to request fclock reference [ 2.046752] ti-soc-thermal: probe of 4a002260.bandgap failed with error -2 [ 2.057006] omap_wdt: OMAP Watchdog Timer Rev 0x01: initial timeout 60 sec [ 2.066528] of_get_named_gpiod_flags: can't parse gpios property of node '/ocp/mmc@4809c000[0]' [ 2.075714] of_get_named_gpiod_flags: can't parse gpios property of node '/ocp/mmc@4809c000[0]' [ 2.085174] omap-dma-engine 4a056000.dma-controller: allocating channel for 62 [ 2.092834] omap-dma-engine 4a056000.dma-controller: allocating channel for 61 [ 2.100982] omap_hsmmc 4809c000.mmc: dummy supplies not allowed [ 2.107238] omap_hsmmc 4809c000.mmc: pins are not configured from the driver [ 2.152526] of_get_named_gpiod_flags: can't parse gpios property of node '/ocp/mmc@480d5000[0]' [ 2.161682] of_get_named_gpiod_flags: can't parse gpios property of node '/ocp/mmc@480d5000[0]' [ 2.171020] omap-dma-engine 4a056000.dma-controller: allocating channel for 60 [ 2.178680] omap-dma-engine 4a056000.dma-controller: allocating channel for 59 [ 2.186340] omap_hsmmc 480d5000.mmc: dummy supplies not allowed [ 2.190521] mmc0: host does not support reading read-only switch. assuming write-enable. [ 2.192779] mmc0: new high speed SDHC card at address 0007 [ 2.206848] omap_hsmmc 480d5000.mmc: vmmc regulator missing [ 2.208374] isa bounce pool size: 16 pages [ 2.208892] mmcblk0: mmc0:0007 SD08G 7.42 GiB [ 2.214691] mmcblk0: p1 p2 [ 2.224792] omap-dma-engine 4a056000.dma-controller: freeing channel for 59 [ 2.232116] omap-dma-engine 4a056000.dma-controller: freeing channel for 60 [ 2.240692] ledtrig-cpu: registered to indicate activity on CPUs [ 2.248046] usbcore: registered new interface driver usbhid [ 2.253997] usbhid: USB HID core driver [ 2.259826] oprofile: no performance counters [ 2.265808] oprofile: using timer interrupt. [ 2.270904] TCP: cubic registered [ 2.274414] Initializing XFRM netlink socket [ 2.278991] NET: Registered protocol family 17 [ 2.283752] NET: Registered protocol family 15 [ 2.288696] Key type dns_resolver registered [ 2.294616] Power Management for TI OMAP4+ devices. [ 2.299804] Power Management for TI OMAP4. [ 2.304138] OMAP4 PM: u-boot >= v2012.07 is required for full PM support [ 2.311340] ThumbEE CPU extension supported. [ 2.319793] VUSB: disabling [ 2.323608] VANA: disabling [ 2.327209] VDAC: disabling [ 2.332946] VAUX1_6030: disabling [ 2.341125] twl_rtc rtc.5: setting system clock to 2000-01-01 00:00:00 UTC (946684800) [ 2.350006] omap_uart 48020000.serial: no wakeirq for uart2 [ 2.361602] EXT3-fs (mmcblk0p2): error: couldn't mount because of unsupported optional features (240) [ 2.374999] EXT2-fs (mmcblk0p2): error: couldn't mount because of unsupported optional features (244) [ 2.416351] EXT4-fs (mmcblk0p2): INFO: recovery required on readonly filesystem [ 2.416351] EXT4-fs (mmcblk0p2): write access will be enabled during recovery [ 5.522644] EXT4-fs (mmcblk0p2): recovery complete [ 5.839263] EXT4-fs (mmcblk0p2): mounted filesystem with ordered data mode. Opts: (null) [ 5.848114] VFS: Mounted root (ext4 filesystem) readonly on device 179:2. [ 5.865295] devtmpfs: mounted [ 5.865295] Freeing unused kernel memory: 384K (c0773000 - c07d3000) [ 6.418334] random: init urandom read with 82 bits of entropy available [ 6.446197] init: Failed to create pty - disabling logging for job [ 6.456634] init: Temporary process spawn error: No space left on device [ 6.524108] init: Failed to create pty - disabling logging for job [ 6.534423] init: Temporary process spawn error: No space left on device [ 6.575927] init: Failed to create pty - disabling logging for job [ 6.584289] init: Temporary process spawn error: No space left on device [ 6.599456] init: Failed to create pty - disabling logging for job [ 6.606018] init: Temporary process spawn error: No space left on device [ 6.814178] init: ureadahead main process (788) terminated with status 5 [ 6.828399] omap_uart 48020000.serial: no wakeirq for uart2 [ 7.207214] init: Failed to create pty - disabling logging for job [ 7.216003] init: Temporary process spawn error: No space left on device [ 7.256011] init: Failed to create pty - disabling logging for job [ 7.264892] init: Temporary process spawn error: No space left on device [ 7.383911] init: Failed to create pty - disabling logging for job [ 7.383911] init: Temporary process spawn error: No space left on device [ 7.628082] random: nonblocking pool is initialized [ 8.042388] udevd[846]: starting version 175 fsck from util-linux 2.20.1 /dev/mmcblk0p2: clean, 177196/963584 files, 2985370/7708672 blocks [ 11.228363] init: udev-fallback-graphics main process (1527) terminated with status 1 [ 11.254089] EXT4-fs (mmcblk0p2): re-mounted. Opts: errors=remount-ro [ 11.550048] init: plymouth main process (789) killed by SEGV signal [ 11.577972] init: plymouth-splash main process (1539) 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 [ 11.956909] init: plymouth-log main process (1602) terminated with status 1 [ 12.038116] init: failsafe main process (1605) killed by TERM signal [ 12.911468] 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 [ 12.933959] init: plymouth-upstart-bridge main process (1648) terminated with status 1 speech-dispatcher disabled; edit /etc/default/speech-dispatcher saned disabled; edit /etc/default/saned [ 13.963317] init: bluetooth main process (1673) terminated with status 1 [ 14.002685] init: bluetooth main process ended, respawning [ 14.072601] init: alsa-restore main process (1699) terminated with status 19 [ 14.099029] init: hybrid-gfx main process (1712) terminated with status 1 FATAL: Could not load /lib/modules/3.13.0-rc1-36049-g6ce4eac/modules.dep: No such file or directory [ 15.143127] init: bluetooth main process (1789) terminated with status 1 [ 15.150665] init: bluetooth main process ended, respawning [ 15.342651] init: bluetooth main process (1814) terminated with status 1 [ 15.342651] init: bluetooth main process ended, respawning [ 15.549926] init: bluetooth main process (1841) terminated with status 1 [ 15.557312] init: bluetooth main process ended, respawning [ 15.751586] init: bluetooth main process (1866) terminated with status 1 [ 15.758880] init: bluetooth main process ended, respawning [ 15.916839] init: bluetooth main process (1889) terminated with status 1 [ 15.925323] init: bluetooth main process ended, respawning [ 16.089874] init: bluetooth main process (1913) terminated with status 1 [ 16.098022] init: bluetooth main process ended, respawning Ubuntu 12.04.1 LTS variscite-desktop ttyO2 variscite-desktop login: [ 16.295166] init: bluetooth main process (1939) terminated with status 1 [ 16.302886] init: bluetooth main process ended, respawning [ 16.513732] init: bluetooth main process (1962) terminated with status 1 [ 16.528015] init: bluetooth main process ended, respawning [ 16.702392] init: bluetooth main process (1989) terminated with status 1 [ 16.712493] init: bluetooth main process ended, respawning [ 17.243957] init: bluetooth main process (2013) terminated with status 1 [ 17.250549] init: bluetooth respawning too fast, stopped Ubuntu 12.04.1 LTS variscite-desktop ttyO2 variscite-desktop login: Ubuntu 12.04.1 LTS variscite-desktop ttyO2 variscite-desktop login: root Last login: Sat Jan 1 02:00:17 IST 2000 on ttyO2 [ 18.690277] init: lightdm main process (1757) terminated with status 1 Welcome to Ubuntu 12.04.1 LTS (GNU/Linux 3.13.0-rc1-36049-g6ce4eac 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 [ 26.470550] pwrdm state mismatch(cam_pwrdm) 3 != 0 [ 26.475738] pwrdm state mismatch(ivahd_pwrdm) 3 != 1 [ 26.480957] pwrdm state mismatch(tesla_pwrdm) 3 != 1 [ 26.480957] 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:7,INA:0,ON:7,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 [ 28.941955] PM: Syncing filesystems ... [ 35.577941] init: failsafe-x main process (2069) terminated with status 1 done. [ 37.600067] PM: Preparing system for mem sleep [ 37.622436] Freezing user space processes ... (elapsed 0.009 seconds) done. [ 37.636230] Freezing remaining freezable tasks ... (elapsed 0.002 seconds) done. [ 37.646759] PM: Entering mem sleep [ 37.653533] Suspending console(s) (use no_console_suspend to debug) [ 37.676483] PM: suspend of devices complete after 13.885 msecs [ 37.676483] PM: late suspend of devices complete after 0.001 msecs [ 37.690277] omap_hwmod: gpio6: _wait_target_disable failed [ 37.690429] PM: noirq suspend of devices complete after 13.946 msecs [ 37.690429] Disabling non-boot CPUs ... [ 37.703887] CPU1: shutdown [ 37.707611] Powerdomain (core_pwrdm) didn't enter target state 1 [ 37.707611] Powerdomain (abe_pwrdm) didn't enter target state 1 [ 37.707611] Powerdomain (mpu_pwrdm) didn't enter target state 1 [ 37.707611] Powerdomain (l4per_pwrdm) didn't enter target state 1 [ 37.707611] Powerdomain (core_pwrdm) didn't enter target state 1 [ 37.707611] Powerdomain (abe_pwrdm) didn't enter target state 1 [ 37.707611] Powerdomain (mpu_pwrdm) didn't enter target state 1 [ 37.707611] Powerdomain (l4per_pwrdm) didn't enter target state 1 [ 37.707611] Could not enter target state in pm_suspend [ 37.707611] A possible cause could be an old bootloader - try u-boot >= v2012.07 [ 37.707611] hw-breakpoint: Failed to enable monitor mode on CPU 0. [ 37.708343] Enabling non-boot CPUs ... [ 37.710876] CPU1: Booted secondary processor [ 37.714263] CPU1 is up [ 37.716644] PM: noirq resume of devices complete after 1.007 msecs [ 37.720123] PM: early resume of devices complete after 3.479 msecs [ 37.795776] PM: resume of devices complete after 75.469 msecs [ 37.933441] PM: Finishing wakeup. [ 37.933441] 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:9,INA:0,ON:9,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 [ 39.959808] PM: Syncing filesystems ... done. [ 41.085449] PM: Preparing system for mem sleep [ 41.093170] Freezing user space processes ... (elapsed 0.004 seconds) done. [ 41.101959] Freezing remaining freezable tasks ... (elapsed 0.015 seconds) done. [ 41.120147] PM: Entering mem sleep [ 41.120147] Suspending console(s) (use no_console_suspend to debug) [ 41.143005] PM: suspend of devices complete after 11.840 msecs [ 41.143096] PM: late suspend of devices complete after 0.091 msecs [ 41.149932] omap_hwmod: gpio6: _wait_target_disable failed [ 41.156707] PM: noirq suspend of devices complete after 10.375 msecs [ 41.156707] Disabling non-boot CPUs ... [ 41.159210] CPU1: shutdown [ 41.160522] Powerdomain (core_pwrdm) didn't enter target state 1 [ 41.160522] Powerdomain (abe_pwrdm) didn't enter target state 1 [ 41.160522] Powerdomain (mpu_pwrdm) didn't enter target state 1 [ 41.160522] Powerdomain (l4per_pwrdm) didn't enter target state 1 [ 41.160522] Powerdomain (core_pwrdm) didn't enter target state 1 [ 41.160522] Powerdomain (abe_pwrdm) didn't enter target state 1 [ 41.160522] Powerdomain (mpu_pwrdm) didn't enter target state 1 [ 41.160522] Powerdomain (l4per_pwrdm) didn't enter target state 1 [ 41.160522] Could not enter target state in pm_suspend [ 41.160522] A possible cause could be an old bootloader - try u-boot >= v2012.07 [ 41.160522] hw-breakpoint: CPU 0 failed to disable vector catch [ 41.160552] Enabling non-boot CPUs ... [ 41.162628] CPU1: Booted secondary processor [ 41.163421] CPU1 is up [ 41.165679] PM: noirq resume of devices complete after 0.854 msecs [ 41.166534] PM: early resume of devices complete after 0.854 msecs [ 41.233947] PM: resume of devices complete after 65.002 msecs [ 41.370300] PM: Finishing wakeup. [ 41.373779] 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:11,INA:0,ON:11,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:13,INA:0,ON:13,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)