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/mmcblk1p2 ro rootwait 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)/4694(STX)/0(CAN) packets, 3 retries ## Total Size = 0x00495929 = 4806953 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: 4806889 Bytes = 4.6 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] Initializing cgroup subsys cpuset [ 0.000000] Initializing cgroup subsys cpu [ 0.000000] Initializing cgroup subsys cpuacct [ 0.000000] Linux version 3.18.0-rc2-00467-gcac7f24 (paul@nozomi) (gcc version 4.7.2 (Debian 4.7.2-5) ) #1 SMP Mon Oct 27 00:26:25 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: Reserved 16 MiB at be800000 [ 0.000000] Memory policy: Data cache writealloc [ 0.000000] On node 0 totalpages: 261888 [ 0.000000] free_area_init_node: node 0, pgdat c0976000, node_mem_map eeff9000 [ 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: 526 pages used for memmap [ 0.000000] HighMem zone: 67328 pages, LIFO batch:15 [ 0.000000] OMAP4460 ES1.1 [ 0.000000] L2C: platform modifies aux control register: 0x0e070000 -> 0x3e470000 [ 0.000000] PL310 OF: cache setting yield illegal associativity [ 0.000000] PL310 OF: 1610613203 calculated, only 8 and 16 legal [ 0.000000] L2C: DT/platform modifies aux control register: 0x0e070000 -> 0x3e470000 [ 0.000000] L2C-310 enabling early BRESP for Cortex-A9 [ 0.000000] L2C-310 ID prefetch enabled, offset 1 lines [ 0.000000] OMAP L2C310: ROM does not support power control setting [ 0.000000] L2C-310 dynamic clock gating disabled, standby mode disabled [ 0.000000] L2C-310 cache controller enabled, 16 ways, 1024 kB [ 0.000000] L2C-310: CACHE_ID 0x410000c7, AUX_CTRL 0x7e470000 [ 0.000000] PERCPU: Embedded 11 pages/cpu @eefa2000 s14976 r8192 d21888 u45056 [ 0.000000] pcpu-alloc: s14976 r8192 d21888 u45056 alloc=11*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/mmcblk1p2 ro rootwait 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] allocated 2095104 bytes of page_cgroup [ 0.000000] please try 'cgroup_disable=memory' option if you don't want memory cgroups [ 0.000000] Memory: 1001760K/1047552K available (6259K kernel code, 678K rwdata, 2324K rodata, 416K init, 8264K bss, 45792K reserved, 252928K highmem) [ 0.000000] Virtual kernel memory layout: [ 0.000000] vector : 0xffff0000 - 0xffff1000 ( 4 kB) [ 0.000000] fixmap : 0xffc00000 - 0xffe00000 (2048 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 - 0xc0869fb0 (8584 kB) [ 0.000000] .init : 0xc086a000 - 0xc08d2000 ( 416 kB) [ 0.000000] .data : 0xc08d2000 - 0xc097bbd8 ( 679 kB) [ 0.000000] .bss : 0xc097bbd8 - 0xc118dc28 (8265 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 [ 0.000000] sched_clock: 32 bits at 32kHz, resolution 30517ns, wraps every 65536000000000ns [ 0.000030] OMAP clocksource: 32k_counter at 32768 Hz [ 0.000122] smp_twd: clock not found -2 [ 0.001922] Console: colour dummy device 80x30 [ 0.001953] Lock dependency validator: Copyright (c) 2006 Red Hat, Inc., Ingo Molnar [ 0.001983] ... MAX_LOCKDEP_SUBCLASSES: 8 [ 0.001983] ... MAX_LOCK_DEPTH: 48 [ 0.001983] ... MAX_LOCKDEP_KEYS: 8191 [ 0.002014] ... CLASSHASH_SIZE: 4096 [ 0.002014] ... MAX_LOCKDEP_ENTRIES: 32768 [ 0.002014] ... MAX_LOCKDEP_CHAINS: 65536 [ 0.002014] ... CHAINHASH_SIZE: 32768 [ 0.002044] memory used by lock dependency info: 5167 kB [ 0.002044] per task-struct memory footprint: 1152 bytes [ 0.002075] Calibrating local timer... 347.66MHz. [ 0.059020] Calibrating delay loop... 1384.44 BogoMIPS (lpj=6922240) [ 0.148437] pid_max: default: 32768 minimum: 301 [ 0.148834] Security Framework initialized [ 0.148986] Mount-cache hash table entries: 2048 (order: 1, 8192 bytes) [ 0.149017] Mountpoint-cache hash table entries: 2048 (order: 1, 8192 bytes) [ 0.151672] Initializing cgroup subsys memory [ 0.151733] Initializing cgroup subsys devices [ 0.151824] Initializing cgroup subsys freezer [ 0.151916] Initializing cgroup subsys blkio [ 0.151977] Initializing cgroup subsys perf_event [ 0.152038] CPU: Testing write buffer coherency: ok [ 0.153198] CPU0: thread -1, cpu 0, socket 0, mpidr 80000000 [ 0.153289] Setting up static identity map for 0x805ee9c0 - 0x805eea30 [ 0.158996] CPU1: Booted secondary processor [ 0.198059] CPU1: thread -1, cpu 1, socket 0, mpidr 80000001 [ 0.198699] Brought up 2 CPUs [ 0.198730] SMP: Total of 2 processors activated. [ 0.198730] CPU: All CPU(s) started in SVC mode. [ 0.201507] devtmpfs: initialized [ 0.211395] VFP support v0.3: implementor 41 architecture 3 part 30 variant 9 rev 4 [ 0.215423] omap_hwmod: l3_main_3 using broken dt data from ocp [ 0.219146] omap_hwmod: l3_main_2 using broken dt data from ocp [ 0.268310] ------------[ cut here ]------------ [ 0.268341] WARNING: CPU: 0 PID: 1 at arch/arm/mach-omap2/omap_hwmod.c:2542 _init+0x3a0/0x3f0() [ 0.268341] omap_hwmod: mailbox: doesn't have mpu register target base [ 0.268341] Modules linked in: [ 0.268371] CPU: 0 PID: 1 Comm: swapper/0 Not tainted 3.18.0-rc2-00467-gcac7f24 #1 [ 0.268402] [] (unwind_backtrace) from [] (show_stack+0x10/0x14) [ 0.268432] [] (show_stack) from [] (dump_stack+0x80/0x9c) [ 0.268463] [] (dump_stack) from [] (warn_slowpath_common+0x68/0x8c) [ 0.268493] [] (warn_slowpath_common) from [] (warn_slowpath_fmt+0x30/0x40) [ 0.268493] [] (warn_slowpath_fmt) from [] (_init+0x3a0/0x3f0) [ 0.268524] [] (_init) from [] (omap_hwmod_for_each+0x30/0x5c) [ 0.268554] [] (omap_hwmod_for_each) from [] (__omap_hwmod_setup_all+0x24/0x40) [ 0.268554] [] (__omap_hwmod_setup_all) from [] (do_one_initcall+0x80/0x1c0) [ 0.268585] [] (do_one_initcall) from [] (kernel_init_freeable+0x1b4/0x288) [ 0.268615] [] (kernel_init_freeable) from [] (kernel_init+0x8/0xe4) [ 0.268646] [] (kernel_init) from [] (ret_from_fork+0x14/0x2c) [ 0.268707] ---[ end trace 2c53d3178dc13597 ]--- [ 0.378967] pinctrl core: initialized pinctrl subsystem [ 0.381347] regulator-dummy: no parameters [ 0.424591] NET: Registered protocol family 16 [ 0.429443] DMA: preallocated 256 KiB pool for atomic coherent allocations [ 0.456512] cpuidle: using governor ladder [ 0.486206] cpuidle: using governor menu [ 0.495605] gpiochip_add: registered GPIOs 0 to 31 on device: gpio [ 0.496490] OMAP GPIO hardware version 0.1 [ 0.497589] gpiochip_add: registered GPIOs 32 to 63 on device: gpio [ 0.499328] gpiochip_add: registered GPIOs 64 to 95 on device: gpio [ 0.501037] gpiochip_add: registered GPIOs 96 to 127 on device: gpio [ 0.502685] gpiochip_add: registered GPIOs 128 to 159 on device: gpio [ 0.504302] gpiochip_add: registered GPIOs 160 to 191 on device: gpio [ 0.505676] omap-gpmc 50000000.gpmc: GPMC revision 6.0 [ 0.524017] platform 4b501000.aes: Cannot lookup hwmod 'aes' [ 0.524475] platform 480a5000.des: Cannot lookup hwmod 'des' [ 0.526550] No ATAGs? [ 0.526702] hw-breakpoint: found 5 (+1 reserved) breakpoint and 1 watchpoint registers. [ 0.526702] hw-breakpoint: maximum watchpoint size is 4 bytes. [ 0.529022] OMAP DMA hardware revision 0.0 [ 0.571136] edma-dma-engine edma-dma-engine.0: Can't allocate PaRAM dummy slot [ 0.571197] edma-dma-engine: probe of edma-dma-engine.0 failed with error -22 [ 0.603057] omap-dma-engine 4a056000.dma-controller: OMAP DMA engine driver [ 0.603759] of_get_named_gpiod_flags: can't parse 'gpio' property of node '/fixedregulator@0[0]' [ 0.604278] VDD_ETH: 3300 mV [ 0.608123] SCSI subsystem initialized [ 0.608795] usbcore: registered new interface driver usbfs [ 0.608947] usbcore: registered new interface driver hub [ 0.609100] usbcore: registered new device driver usb [ 0.613189] omap_i2c 48070000.i2c: bus 0 rev0.11 at 400 kHz [ 0.614166] omap_i2c 48072000.i2c: bus 1 rev0.11 at 400 kHz [ 0.615692] omap_i2c 48060000.i2c: bus 2 rev0.11 at 400 kHz [ 0.616455] omap_i2c 48350000.i2c: bus 3 rev0.11 at 400 kHz [ 0.620452] Switched to clocksource 32k_counter [ 0.750274] NET: Registered protocol family 2 [ 0.752075] TCP established hash table entries: 8192 (order: 3, 32768 bytes) [ 0.752319] TCP bind hash table entries: 8192 (order: 6, 294912 bytes) [ 0.754943] TCP: Hash tables configured (established 8192 bind 8192) [ 0.755157] TCP: reno registered [ 0.755187] UDP hash table entries: 512 (order: 3, 40960 bytes) [ 0.755554] UDP-Lite hash table entries: 512 (order: 3, 40960 bytes) [ 0.756835] NET: Registered protocol family 1 [ 0.758178] RPC: Registered named UNIX socket transport module. [ 0.758209] RPC: Registered udp transport module. [ 0.758209] RPC: Registered tcp transport module. [ 0.758239] RPC: Registered tcp NFSv4.1 backchannel transport module. [ 0.764343] futex hash table entries: 512 (order: 3, 32768 bytes) [ 0.764617] audit: initializing netlink subsys (disabled) [ 0.764801] audit: type=2000 audit(0.750:1): initialized [ 0.768249] VFS: Disk quotas dquot_6.5.2 [ 0.768554] Dquot-cache hash table entries: 1024 (order 0, 4096 bytes) [ 0.770660] NFS: Registering the id_resolver key type [ 0.770965] Key type id_resolver registered [ 0.770996] Key type id_legacy registered [ 0.771148] jffs2: version 2.2. (NAND) (SUMMARY) © 2001-2006 Red Hat, Inc. [ 0.772613] msgmni has been set to 1462 [ 0.775939] bounce: pool size: 64 pages [ 0.776031] io scheduler noop registered [ 0.776062] io scheduler deadline registered [ 0.776153] io scheduler cfq registered (default) [ 0.778472] omap-usb2 4a0ad080.usb2phy: unable to get wkupclk, trying old name [ 0.778503] omap-usb2 4a0ad080.usb2phy: found usb_phy_cm_clk32k, please fix DTS [ 0.780456] pinctrl-single 4a100040.pinmux: 203 pins at pa fc100040 size 406 [ 0.780944] pinctrl-single 4a31e040.pinmux: 28 pins at pa fc31e040 size 56 [ 0.783813] pbias_mmc_omap4: 1800 <--> 3000 mV at 3000 mV [ 0.785186] abb_mpu: 1025 <--> 1389 mV [ 0.786437] Serial: 8250/16550 driver, 4 ports, IRQ sharing enabled [ 0.791564] omap_uart 4806a000.serial: no wakeirq for uart0 [ 0.791595] of_get_named_gpiod_flags: can't parse 'rts-gpio' property of node '/ocp/serial@4806a000[0]' [ 0.792022] omap_uart 4806a000.serial: ttyO0 at MMIO 0x4806a000 (irq = 104, base_baud = 3000000) is a OMAP UART0 [ 0.793487] omap_uart 4806c000.serial: no wakeirq for uart0 [ 0.793518] of_get_named_gpiod_flags: can't parse 'rts-gpio' property of node '/ocp/serial@4806c000[0]' [ 0.793731] omap_uart 4806c000.serial: ttyO1 at MMIO 0x4806c000 (irq = 105, base_baud = 3000000) is a OMAP UART1 [ 0.794738] omap_uart 48020000.serial: no wakeirq for uart0 [ 0.794769] of_get_named_gpiod_flags: can't parse 'rts-gpio' property of node '/ocp/serial@48020000[0]' [ 0.794982] omap_uart 48020000.serial: ttyO2 at MMIO 0x48020000 (irq = 106, base_baud = 3000000) is a OMAP UART2 [ 1.937377] console [ttyO2] enabled [ 1.942138] omap_uart 4806e000.serial: no wakeirq for uart0 [ 1.947967] of_get_named_gpiod_flags: can't parse 'rts-gpio' property of node '/ocp/serial@4806e000[0]' [ 1.958068] omap_uart 4806e000.serial: ttyO3 at MMIO 0x4806e000 (irq = 102, base_baud = 3000000) is a OMAP UART3 [ 1.989166] brd: module loaded [ 2.003509] loop: module loaded [ 2.008605] Skipping twl internal clock init and using bootloader value (unknown osc rate) [ 2.018798] twl 0-0048: PIH (irq 39) nested IRQs [ 2.026031] VAUX1_6030: 1000 <--> 3000 mV at 2800 mV [ 2.033111] VAUX2_6030: 1200 <--> 2800 mV at 1800 mV [ 2.040069] VAUX3_6030: 1000 <--> 3000 mV at 1200 mV [ 2.047088] VMMC: 1200 <--> 3000 mV at 3000 mV [ 2.053619] VPP: 1800 <--> 2500 mV at 1900 mV [ 2.059967] VUSIM: 1200 <--> 2900 mV [ 2.065277] VDAC: 1800 mV [ 2.069244] VANA: 2100 mV [ 2.073699] VCXIO: 1800 mV [ 2.077758] VUSB: 3300 mV [ 2.082183] V1V8: 1800 mV [ 2.086608] V2V1: 2100 mV [ 2.095794] mtdoops: mtd device (mtddev=name/number) must be supplied [ 2.109313] of_get_named_gpiod_flags: can't parse 'reset-gpios' property of node '/ocp/spi@48098000/eth@0[0]' [ 2.119720] spi1.0 supply vdd-io not found, using dummy regulator [ 2.126770] ks8851 spi1.0: message enable is 0 [ 2.137054] ks8851 spi1.0 eth0: revision 1, MAC aa:43:66:79:da:7e, IRQ 331, no EEPROM [ 2.147308] usbcore: registered new interface driver asix [ 2.153106] usbcore: registered new interface driver ax88179_178a [ 2.159576] usbcore: registered new interface driver cdc_ether [ 2.165863] usbcore: registered new interface driver smsc95xx [ 2.171997] usbcore: registered new interface driver net1080 [ 2.178009] usbcore: registered new interface driver cdc_subset [ 2.184326] usbcore: registered new interface driver zaurus [ 2.190368] usbcore: registered new interface driver cdc_ncm [ 2.197204] usbcore: registered new interface driver cdc_wdm [ 2.203338] usbcore: registered new interface driver usb-storage [ 2.209777] usbcore: registered new interface driver usbtest [ 2.217620] mousedev: PS/2 mouse device common for all mice [ 2.226287] twl_rtc 48070000.i2c:twl@48:rtc: Power up reset detected. [ 2.233978] twl_rtc 48070000.i2c:twl@48:rtc: Enabling TWL-RTC [ 2.244201] twl_rtc 48070000.i2c:twl@48:rtc: rtc core: registered 48070000.i2c:twl@48 as rtc0 [ 2.253387] i2c /dev entries driver [ 2.259521] Driver for 1-wire Dallas network protocol. [ 2.268463] omap_wdt: OMAP Watchdog Timer Rev 0x01: initial timeout 60 sec [ 2.277313] of_get_named_gpiod_flags: can't parse 'cd-gpios' property of node '/ocp/mmc@4809c000[0]' [ 2.286895] of_get_named_gpiod_flags: can't parse 'wp-gpios' property of node '/ocp/mmc@4809c000[0]' [ 2.330535] of_get_named_gpiod_flags: can't parse 'cd-gpios' property of node '/ocp/mmc@480d5000[0]' [ 2.340087] of_get_named_gpiod_flags: can't parse 'wp-gpios' property of node '/ocp/mmc@480d5000[0]' [ 2.350006] 480d5000.mmc supply vmmc not found, using dummy regulator [ 2.356994] omap_hsmmc 480d5000.mmc: could not set regulator OCR (-22) [ 2.364166] omap_hsmmc 480d5000.mmc: could not set regulator OCR (-22) [ 2.378509] mmc0: host does not support reading read-only switch, assuming write-enable [ 2.389221] mmc0: new high speed SDHC card at address 0007 [ 2.396881] mmcblk0: mmc0:0007 SD08G 7.42 GiB [ 2.406311] mmcblk0: p1 p2 [ 2.411682] ledtrig-cpu: registered to indicate activity on CPUs [ 2.418457] usbcore: registered new interface driver usbhid [ 2.419311] omap_hsmmc 480d5000.mmc: exceeding card's volts [ 2.430114] usbhid: USB HID core driver [ 2.435607] oprofile: no performance counters [ 2.441528] oprofile: using timer interrupt. [ 2.446594] TCP: cubic registered [ 2.450103] Initializing XFRM netlink socket [ 2.454986] NET: Registered protocol family 10 [ 2.462554] sit: IPv6 over IPv4 tunneling driver [ 2.469299] NET: Registered protocol family 17 [ 2.474060] NET: Registered protocol family 15 [ 2.479034] Key type dns_resolver registered [ 2.484497] omap2_set_init_voltage: unable to find boot up OPP for vdd_mpu [ 2.491699] omap2_set_init_voltage: unable to set vdd_mpu [ 2.497344] omap2_set_init_voltage: unable to find boot up OPP for vdd_core [ 2.504638] omap2_set_init_voltage: unable to set vdd_core [ 2.510406] omap2_set_init_voltage: unable to find boot up OPP for vdd_iva [ 2.517578] omap2_set_init_voltage: unable to set vdd_iva [ 2.525146] Power Management for TI OMAP4+ devices. [ 2.530334] Power Management for TI OMAP4. [ 2.534606] OMAP4 PM: u-boot >= v2012.07 is required for full PM support [ 2.541931] ThumbEE CPU extension supported. [ 2.541931] Registering SWP/SWPB emulation handler [ 2.552520] SmartReflex Class3 initialized [ 2.563842] hw-breakpoint: Failed to enable monitor mode on CPU 0. [ 2.570800] hw-breakpoint: CPU 1 failed to disable vector catch [ 2.578399] twl_rtc 48070000.i2c:twl@48:rtc: setting system clock to 2000-01-01 00:00:00 UTC (946684800) [ 2.588378] sr_init: No PMIC hook to init smartreflex [ 2.594024] smartreflex smartreflex.0: omap_sr_probe: SmartReflex driver initialized [ 2.602630] smartreflex smartreflex.1: omap_sr_probe: SmartReflex driver initialized [ 2.611419] smartreflex smartreflex.2: omap_sr_probe: SmartReflex driver initialized [ 2.662200] VUSB: disabling [ 2.665985] VANA: disabling [ 2.669677] VDAC: disabling [ 2.675933] VAUX1_6030: disabling [ 2.682098] Waiting for root device /dev/mmcblk1p2... [ 2.688232] mmc1: host does not support reading read-only switch, assuming write-enable [ 2.698516] mmc1: new high speed SDHC card at address b368 [ 2.705505] mmcblk1: mmc1:b368 USD 3.75 GiB [ 2.712860] mmcblk1: p1 p2 [ 2.793304] EXT3-fs (mmcblk1p2): error: couldn't mount because of unsupported optional features (240) [ 2.805541] EXT2-fs (mmcblk1p2): error: couldn't mount because of unsupported optional features (244) [ 2.819763] EXT4-fs (mmcblk1p2): INFO: recovery required on readonly filesystem [ 2.827819] EXT4-fs (mmcblk1p2): write access will be enabled during recovery [ 5.186462] EXT4-fs (mmcblk1p2): recovery complete [ 5.651733] EXT4-fs (mmcblk1p2): mounted filesystem with ordered data mode. Opts: (null) [ 5.651733] VFS: Mounted root (ext4 filesystem) readonly on device 179:10. [ 5.670318] devtmpfs: mounted [ 5.670318] Freeing unused kernel memory: 416K (c086a000 - c08d2000) modprobe: FATAL: Could not load /lib/modules/3.18.0-rc2-00467-gcac7f24/modules.dep: No such file or directory INIT: version 2.88 booting Using makefile-style concurrent boot in runlevel S. Starting the hotplug events dispatcher: udevd[ 6.881805] udevd[111]: starting version 172 . Synthesizing the initial hotplug events...done. Waiting for /dev to be fully populated...done. Activating swap...done. [ 8.973175] EXT4-fs (mmcblk1p2): warning: mounting fs with errors, running e2fsck is recommended [ 9.337860] EXT4-fs (mmcblk1p2): re-mounted. Opts: (null) Cleaning up ifupdown.... Setting up networking.... Loading kernel modules...done. Activating lvm and md swap...done. Checking file systems...fsck from util-linux 2.19.1 done. Mounting local filesystems...done. Activating swapfile swap...done. Cleaning up temporary files.... Configuring network interfaces...done. Cleaning up temporary files.... Setting kernel variables ...done. [ 13.061798] random: dd urandom read with 83 bits of entropy available INIT: Entering runlevel: 2 Using makefile-style concurrent boot in runlevel 2. Debian GNU/Linux wheezy/sid armel ttyO2 armel login: Debian GNU/Linux wheezy/sid armel ttyO2 armel login: Debian GNU/Linux wheezy/sid armel ttyO2 armel login: root Last login: Sat Jan 1 00:00:13 UTC 2000 on ttyO2 Linux armel 3.18.0-rc2-00467-gcac7f24 #1 SMP Mon Oct 27 00:26:25 MDT 2014 armv7l The programs included with the Debian GNU/Linux system are free software; the exact distribution terms for each program are described in the individual files in /usr/share/doc/*/copyright. Debian GNU/Linux comes with ABSOLUTELY NO WARRANTY, to the extent permitted by applicable law. root@armel:~# root@armel:~# %% Start PM consolidated quick test (retention only) %% Preparation root@armel:~# root@armel:~# mkdir -p /sys; mount -t sysfs none /sys mount: none already mounted or /sys busy mount: according to mtab, sysfs is already mounted on /sys root@armel:~# root@armel:~# mkdir -p /debug; mount -t debugfs none /debug mount: none already mounted or /debug busy mount: according to mtab, /debug is already mounted on /debug root@armel:~# root@armel:~# root@armel:~# root@armel:~# for u in `ls -1d /sys/bus/platform/drivers/omap_uart/*.serial | pa ste -s -d' '`; do echo -1 > $u/power/autosuspend_delay_ms; done root@armel:~# root@armel:~# for u in `ls -1d /sys/bus/platform/drivers/omap_uart/*.serial | pa ste -s -d' '`; do ls -l $u/power/autosuspend_delay_ms; cat $u/power/autosuspend _delay_ms; done -rw-r--r-- 1 root root 4096 Jan 1 00:00 /sys/bus/platform/drivers/omap_uart/48020000.serial/power/autosuspend_delay_ms -1 -rw-r--r-- 1 root root 4096 Jan 1 00:00 /sys/bus/platform/drivers/omap_uart/4806a000.serial/power/autosuspend_delay_ms -1 -rw-r--r-- 1 root root 4096 Jan 1 00:00 /sys/bus/platform/drivers/omap_uart/4806c000.serial/power/autosuspend_delay_ms -1 -rw-r--r-- 1 root root 4096 Jan 1 00:00 /sys/bus/platform/drivers/omap_uart/4806e000.serial/power/autosuspend_delay_ms -1 root@armel:~# root@armel:~# echo 0 > /debug/pm_debug/enable_off_mode root@armel:~# root@armel:~# %% Baseline pm_debug count dump 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:271,RET:0,INA:0,ON:272,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:2,INA:0,ON:2,RET-LOGIC-OFF:0,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:244,INA:0,ON:245,RET-LOGIC-OFF:224,RET-MEMBANK1-OFF:244,RET-MEMBANK2-OFF:0,RET-MEMBANK3-OFF:0 cpu1_pwrdm (ON),OFF:268,RET:0,INA:0,ON:269,RET-LOGIC-OFF:0,RET-MEMBANK1-OFF:0 cpu0_pwrdm (ON),OFF:244,RET:0,INA:0,ON:245,RET-LOGIC-OFF:0,RET-MEMBANK1-OFF:0 tesla_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 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 (5) 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@armel:~# root@armel:~# [ 22.950927] random: nonblocking pool is initialized for u in `ls -1d /sys/class/tty/ttyO* | paste -s -d' '`; do echo e nabled > $u/power/wakeup; done for u in `ls -1d /sys/class/tty/ttyO* | paste -s -d' '`; do echo auto > $u/power/control; done for u in `ls -1d /sys/class/tty/ttyO* | paste -s -d' '`; do ls -l $u/power/wakeup; cat $u/power/wakeup; done for u in `ls -1d /sys/class/tty/ttyO* | paste -s -d' '`; do ls -l $u/power/control; cat $u/power/control; done root@armel:~# %% Start retention double suspend/resume UART wakeup test root@armel:~# for u in `ls -1d /sys/class/tty/ttyO* | paste -s -d' '`; do echo a uto > $u/power/control; done root@armel:~# root@armel:~# for u in `ls -1d /sys/class/tty/ttyO* | paste -s -d' '`; do ls -l $u/power/wakeup; cat $u/power/wakeup; done -rw-r--r-- 1 root root 4096 Jan 1 00:00 /sys/class/tty/ttyO0/power/wakeup enabled -rw-r--r-- 1 root root 4096 Jan 1 00:00 /sys/class/tty/ttyO1/power/wakeup enabled echo mem > /sys/power/state -rw-r--r-- 1 root root 4096 Jan 1 00:00 /sys/class/tty/ttyO2/power/wakeup enabled -rw-r--r-- 1 root root 4096 Jan 1 00:00 /sys/class/tty/ttyO3/power/wakeup enabled root@armel:~# root@armel:~# for u in `ls -1d /sys/class/tty/ttyO* | paste -s -d' '`; do ls -l $u/power/control; cat $u/power/control; done -rw-r--r-- 1 root root 4096 Jan 1 00:00 /sys/class/tty/ttyO0/power/control auto -rw-r--r-- 1 root root 4096 Jan 1 00:00 /sys/class/tty/ttyO1/power/control auto -rw-r--r-- 1 root root 4096 Jan 1 00:00 /sys/class/tty/ttyO2/power/control auto -rw-r--r-- 1 root root 4096 Jan 1 00:00 /sys/class/tty/ttyO3/power/control auto root@armel:~# root@armel:~# echo mem > /sys/power/state [ 24.780426] PM: Syncing filesystems ... done. [ 28.438781] PM: Preparing system for mem sleep [ 28.453338] Freezing user space processes ... (elapsed 0.009 seconds) done. [ 28.463165] Freezing remaining freezable tasks ... (elapsed 0.009 seconds) done. [ 28.472717] PM: Entering mem sleep [ 28.477386] Suspending console(s) (use no_console_suspend to debug) [ 28.502044] PM: suspend of devices complete after 18.798 msecs [ 28.502075] PM: late suspend of devices complete after 0.001 msecs [ 28.513702] PM: noirq suspend of devices complete after 11.627 msecs [ 28.513702] Disabling non-boot CPUs ... [ 28.513824] [ 28.514312] ====================================================== [ 28.514312] [ INFO: possible circular locking dependency detected ] [ 28.514312] 3.18.0-rc2-00467-gcac7f24 #1 Tainted: G W [ 28.514312] ------------------------------------------------------- [ 28.514312] bash/637 is trying to acquire lock: [ 28.514343] (cpuidle_lock){+.+.+.}, at: [] cpuidle_coupled_cpu_notify+0x24/0x10c [ 28.514343] [ 28.514343] but task is already holding lock: [ 28.514404] (cpu_hotplug.lock#2){+.+.+.}, at: [] cpu_hotplug_begin+0x58/0x90 [ 28.514404] [ 28.514404] which lock already depends on the new lock. [ 28.514404] [ 28.514404] [ 28.514404] the existing dependency chain (in reverse order) is: [ 28.514434] [ 28.514434] -> #1 (cpu_hotplug.lock#2){+.+.+.}: [ 28.514434] [] cpuidle_pause+0x14/0x28 [ 28.514465] [] dpm_suspend_noirq+0x44/0x2f8 [ 28.514465] [] suspend_devices_and_enter+0x2dc/0x5f0 [ 28.514495] [] pm_suspend+0x3fc/0x470 [ 28.514495] [] state_store+0x68/0xb8 [ 28.514526] [] kobj_attr_store+0x14/0x20 [ 28.514526] [] sysfs_kf_write+0x4c/0x50 [ 28.514556] [] kernfs_fop_write+0xd4/0x188 [ 28.514556] [] vfs_write+0xa4/0x1ac [ 28.514587] [] SyS_write+0x40/0x8c [ 28.514587] [] ret_fast_syscall+0x0/0x48 [ 28.514617] [ 28.514617] -> #0 (cpuidle_lock){+.+.+.}: [ 28.514617] [] mutex_lock_nested+0x38/0x394 [ 28.514648] [] cpuidle_coupled_cpu_notify+0x24/0x10c [ 28.514678] [] notifier_call_chain+0x44/0x84 [ 28.514678] [] __cpu_notify+0x2c/0x48 [ 28.514709] [] _cpu_down+0x7c/0x24c [ 28.514709] [] disable_nonboot_cpus+0x88/0x198 [ 28.514709] [] suspend_devices_and_enter+0x36c/0x5f0 [ 28.514739] [] pm_suspend+0x3fc/0x470 [ 28.514739] [] state_store+0x68/0xb8 [ 28.514770] [] kobj_attr_store+0x14/0x20 [ 28.514770] [] sysfs_kf_write+0x4c/0x50 [ 28.514770] [] kernfs_fop_write+0xd4/0x188 [ 28.514801] [] vfs_write+0xa4/0x1ac [ 28.514801] [] SyS_write+0x40/0x8c [ 28.514831] [] ret_fast_syscall+0x0/0x48 [ 28.514831] [ 28.514831] other info that might help us debug this: [ 28.514831] [ 28.514831] Possible unsafe locking scenario: [ 28.514831] [ 28.514831] CPU0 CPU1 [ 28.514831] ---- ---- [ 28.514862] lock(cpu_hotplug.lock#2); [ 28.514862] lock(cpuidle_lock); [ 28.514862] lock(cpu_hotplug.lock#2); [ 28.514892] lock(cpuidle_lock); [ 28.514892] [ 28.514892] *** DEADLOCK *** [ 28.514892] [ 28.514892] 7 locks held by bash/637: [ 28.514923] #0: (sb_writers#6){.+.+.+}, at: [] vfs_write+0x184/0x1ac [ 28.514953] #1: (&of->mutex){+.+.+.}, at: [] kernfs_fop_write+0x98/0x188 [ 28.514953] #2: (s_active#26){.+.+.+}, at: [] kernfs_fop_write+0xa0/0x188 [ 28.514984] #3: (pm_mutex){+.+.+.}, at: [] pm_suspend+0x218/0x470 [ 28.515014] #4: (cpu_add_remove_lock){+.+.+.}, at: [] disable_nonboot_cpus+0x8/0x198 [ 28.515014] #5: (cpu_hotplug.lock){++++++}, at: [] cpu_hotplug_begin+0x0/0x90 [ 28.515045] #6: (cpu_hotplug.lock#2){+.+.+.}, at: [] cpu_hotplug_begin+0x58/0x90 [ 28.515045] [ 28.515045] stack backtrace: [ 28.515075] CPU: 1 PID: 637 Comm: bash Tainted: G W 3.18.0-rc2-00467-gcac7f24 #1 [ 28.515075] [] (unwind_backtrace) from [] (show_stack+0x10/0x14) [ 28.515075] [] (show_stack) from [] (dump_stack+0x80/0x9c) [ 28.515136] [] (dump_stack) from [] (print_circular_bug+0x284/0x2dc) [ 28.515136] [] (print_circular_bug) from [] (__lock_acquire+0x19bc/0x1bb4) [ 28.515167] [] (__lock_acquire) from [] (lock_acquire+0xa0/0x10c) [ 28.515167] [] (lock_acquire) from [] (mutex_lock_nested+0x38/0x394) [ 28.515197] [] (mutex_lock_nested) from [] (cpuidle_coupled_cpu_notify+0x24/0x10c) [ 28.515197] [] (cpuidle_coupled_cpu_notify) from [] (notifier_call_chain+0x44/0x84) [ 28.515228] [] (notifier_call_chain) from [] (__cpu_notify+0x2c/0x48) [ 28.515228] [] (__cpu_notify) from [] (_cpu_down+0x7c/0x24c) [ 28.515258] [] (_cpu_down) from [] (disable_nonboot_cpus+0x88/0x198) [ 28.515258] [] (disable_nonboot_cpus) from [] (suspend_devices_and_enter+0x36c/0x5f0) [ 28.515289] [] (suspend_devices_and_enter) from [] (pm_suspend+0x3fc/0x470) [ 28.515289] [] (pm_suspend) from [] (state_store+0x68/0xb8) [ 28.515319] [] (state_store) from [] (kobj_attr_store+0x14/0x20) [ 28.515319] [] (kobj_attr_store) from [] (sysfs_kf_write+0x4c/0x50) [ 28.515350] [] (sysfs_kf_write) from [] (kernfs_fop_write+0xd4/0x188) [ 28.515350] [] (kernfs_fop_write) from [] (vfs_write+0xa4/0x1ac) [ 28.515380] [] (vfs_write) from [] (SyS_write+0x40/0x8c) [ 28.515380] [] (SyS_write) from [] (ret_fast_syscall+0x0/0x48) [ 28.516418] CPU1: shutdown [ 28.517181] Powerdomain (abe_pwrdm) didn't enter target state 1 [ 28.517181] Powerdomain (abe_pwrdm) didn't enter target state 1 [ 28.517181] Could not enter target state in pm_suspend [ 28.517181] A possible cause could be an old bootloader - try u-boot >= v2012.07 [ 28.517211] Enabling non-boot CPUs ... [ 28.517608] CPU1: Booted secondary processor [ 28.518127] CPU1 is up [ 28.519470] PM: noirq resume of devices complete after 0.518 msecs [ 28.521118] PM: early resume of devices complete after 0.823 msecs [ 28.604400] omap_hsmmc 480d5000.mmc: could not set regulator OCR (-22) [ 28.724548] PM: resume of devices complete after 203.430 msecs [ 29.342315] PM: Finishing wakeup. [ 29.345794] Restarting tasks ... done. root@armel:~# root@armel:~# root@armel:~# root@armel:~# 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:391,RET:0,INA:0,ON:392,RET-LOGIC-OFF:0 l4per_pwrdm (ON),OFF:0,RET:1,INA:0,ON:2,RET-LOGIC-OFF:1,RET-MEMBANK1-OFF:0,RET-MEMBANK2-OFF:0 l3init_pwrdm (RET),OFF:0,RET:4,INA:0,ON:4,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:349,INA:0,ON:350,RET-LOGIC-OFF:315,RET-MEMBANK1-OFF:349,RET-MEMBANK2-OFF:0,RET-MEMBANK3-OFF:0 cpu1_pwrdm (ON),OFF:387,RET:0,INA:0,ON:388,RET-LOGIC-OFF:0,RET-MEMBANK1-OFF:0 cpu0_pwrdm (ON),OFF:349,RET:0,INA:0,ON:350,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:1,INA:0,ON:2,RET-LOGIC-OFF:1,RET-MEMBANK1-OFF:0,RET-MEMBANK2-OFF:0,RET-MEMBANK3-OFF:0,RET-MEMBANK4-OFF:0,RET-MEMBANK5-OFF:1 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@armel:~# root@armel:~# root@armel:~# root@armel:~# echo mem > /sys/power/state [ 31.750518] PM: Syncing filesystems ... done. [ 31.808380] PM: Preparing system for mem sleep [ 31.813842] Freezing user space processes ... (elapsed 0.005 seconds) done. [ 31.822875] Freezing remaining freezable tasks ... (elapsed 0.001 seconds) done. [ 31.829040] PM: Entering mem sleep [ 31.835510] Suspending console(s) (use no_console_suspend to debug) [ 31.848937] PM: suspend of devices complete after 13.366 msecs [ 31.850769] PM: late suspend of devices complete after 0.001 msecs [ 31.853057] PM: noirq suspend of devices complete after 2.288 msecs [ 31.853118] Disabling non-boot CPUs ... [ 31.854187] CPU1: shutdown [ 31.854858] Powerdomain (abe_pwrdm) didn't enter target state 1 [ 31.854858] Powerdomain (abe_pwrdm) didn't enter target state 1 [ 31.854858] Could not enter target state in pm_suspend [ 31.854858] A possible cause could be an old bootloader - try u-boot >= v2012.07 [ 31.854888] Enabling non-boot CPUs ... [ 31.855499] CPU1: Booted secondary processor [ 31.855804] CPU1 is up [ 31.856323] PM: noirq resume of devices complete after 0.518 msecs [ 31.857086] PM: early resume of devices complete after 0.001 msecs [ 31.955352] omap_hsmmc 480d5000.mmc: could not set regulator OCR (-22) [ 32.014099] PM: resume of devices complete after 157.012 msecs [ 32.090728] PM: Finishing wakeup. [ 32.103729] Restarting tasks ... done. root@armel:~# root@armel:~# root@armel:~# root@armel:~# 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:510,RET:0,INA:0,ON:511,RET-LOGIC-OFF:0 l4per_pwrdm (ON),OFF:0,RET:2,INA:0,ON:3,RET-LOGIC-OFF:2,RET-MEMBANK1-OFF:0,RET-MEMBANK2-OFF:0 l3init_pwrdm (RET),OFF:0,RET:6,INA:0,ON:6,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:458,INA:0,ON:459,RET-LOGIC-OFF:416,RET-MEMBANK1-OFF:458,RET-MEMBANK2-OFF:0,RET-MEMBANK3-OFF:0 cpu1_pwrdm (ON),OFF:506,RET:0,INA:0,ON:507,RET-LOGIC-OFF:0,RET-MEMBANK1-OFF:0 cpu0_pwrdm (ON),OFF:458,RET:0,INA:0,ON:459,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:2,INA:0,ON:3,RET-LOGIC-OFF:2,RET-MEMBANK1-OFF:0,RET-MEMBANK2-OFF:0,RET-MEMBANK3-OFF:0,RET-MEMBANK4-OFF:0,RET-MEMBANK5-OFF:2 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@armel:~# root@armel:~# root@armel:~# root@armel:~# ./test_rootfs_access_nonexistent_file__ret_susp -bash: ./test_rootfs_access_nonexistent_file__ret_susp: No such file or directory root@armel:~# root@armel:~# %% 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 | pa ste -s -d' '`; do echo 3000 > $u/power/autosuspend_delay_ms; done root@armel:~# root@armel:~# for u in `ls -1d /sys/bus/platform/drivers/omap_uart/*.serial | pa ste -s -d' '`; do ls -l $u/power/autosuspend_delay_ms; cat $u/power/autosuspend _delay_ms; done -rw-r--r-- 1 root root 4096 Jan 1 00:00 /sys/bus/platform/drivers/omap_uart/48020000.serial/power/autosuspend_delay_ms 3000 -rw-r--r-- 1 root root 4096 Jan 1 00:00 /sys/bus/platform/drivers/omap_uart/4806a000.serial/power/autosuspend_delay_ms 3000 -rw-r--r-- 1 root root 4096 Jan 1 00:00 /sys/bus/platform/drivers/omap_uart/4806c000.serial/power/autosuspend_delay_ms 3000 -rw-r--r-- 1 root root 4096 Jan 1 00:00 /sys/bus/platform/drivers/omap_uart/4806e000.serial/power/autosuspend_delay_ms 3000 root@armel:~# root@armel:~#  root@armel:~# root@armel:~# 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:688,RET:0,INA:0,ON:689,RET-LOGIC-OFF:0 l4per_pwrdm (ON),OFF:0,RET:4,INA:0,ON:5,RET-LOGIC-OFF:2,RET-MEMBANK1-OFF:0,RET-MEMBANK2-OFF:0 l3init_pwrdm (RET),OFF:0,RET:6,INA:0,ON:6,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:618,INA:0,ON:619,RET-LOGIC-OFF:568,RET-MEMBANK1-OFF:618,RET-MEMBANK2-OFF:0,RET-MEMBANK3-OFF:0 cpu1_pwrdm (ON),OFF:684,RET:0,INA:0,ON:685,RET-LOGIC-OFF:0,RET-MEMBANK1-OFF:0 cpu0_pwrdm (ON),OFF:618,RET:0,INA:0,ON:619,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:2,INA:0,ON:3,RET-LOGIC-OFF:2,RET-MEMBANK1-OFF:0,RET-MEMBANK2-OFF:0,RET-MEMBANK3-OFF:0,RET-MEMBANK4-OFF:0,RET-MEMBANK5-OFF:2 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 (3) 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@armel:~# root@armel:~# root@armel:~# root@armel:~# ./test_rootfs_access_nonexistent_file__ret_dyn -bash: ./test_rootfs_access_nonexistent_file__ret_dyn: No such file or directory root@armel:~# root@armel:~# for u in `ls -1d /sys/bus/platform/drivers/omap_uart/*.serial | pa ste -s -d' '`; do echo -1 > $u/power/autosuspend_delay_ms; done root@armel:~# root@armel:~# for u in `ls -1d /sys/bus/platform/drivers/omap_uart/*.serial | pa ste -s -d' '`; do ls -l $u/power/autosuspend_delay_ms; cat $u/power/autosuspend _delay_ms; done -rw-r--r-- 1 root root 4096 Jan 1 00:00 /sys/bus/platform/drivers/omap_uart/48020000.serial/power/autosuspend_delay_ms -1 -rw-r--r-- 1 root root 4096 Jan 1 00:00 /sys/bus/platform/drivers/omap_uart/4806a000.serial/power/autosuspend_delay_ms -1 -rw-r--r-- 1 root root 4096 Jan 1 00:00 /sys/bus/platform/drivers/omap_uart/4806c000.serial/power/autosuspend_delay_ms -1 -rw-r--r-- 1 root root 4096 Jan 1 00:00 /sys/bus/platform/drivers/omap_uart/4806e000.serial/power/autosuspend_delay_ms -1 root@armel:~# root@armel:~# %% End retention dynamic idle UART wakeup test %% End PM consolidated quick test (retention only)