U-Boot SPL 2013.01-rc1-00207-gfbeb8fc-dirty (Nov 29 2012 - 03:05:13) OMAP4460 ES1.1 OMAP SD/MMC: 0 reading u-boot.img reading u-boot.img U-Boot 2013.01-rc1-00207-gfbeb8fc-dirty (Nov 29 2012 - 03:05:13) CPU : OMAP4460 ES1.1 Board: OMAP4 Panda I2C: ready DRAM: 1 GiB MMC: OMAP SD/MMC: 0 Using default environment In: serial Out: serial Err: serial Net: No ethernet found. Hit any key to stop autoboot: 3  0 Panda # Panda # setenv bootargs 'console=ttyO2,230400n8 root=/dev/mmcblk0p2 rootwait vram=32M earlyprintk ignore_loglevel init=/bin/sh' Panda # loady 0x81000000 ## Ready for binary (ymodem) download to 0x81000000 at 230400 bps... CSending: uImage-dtb.omap4-panda-es Sending: Transfer complete yzModem - CRC mode, 4(SOH)/4217(STX)/0(CAN) packets, 3 retries ## Total Size = 0x0041e4f1 = 4318449 Bytes Panda # bootm 0x81000000 ## Booting kernel from Legacy Image at 81000000 ... Image Name: Linux- Image Type: ARM Linux Kernel Image (uncompressed) Data Size: 4318385 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 3.14.0-rc3-50109-g6d0abec (paul@knihy) (gcc version 4.7.2 (Debian 4.7.2-5) ) #1 SMP Mon Feb 17 21:54:15 MST 2014 [ 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: TI OMAP4 PandaBoard [ 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 c088c3c0, 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 @edfb7000 s14016 r8192 d14656 u36864 [ 0.000000] pcpu-alloc: s14016 r8192 d14656 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=ttyO2,230400n8 root=/dev/mmcblk0p2 rootwait vram=32M earlyprintk ignore_loglevel init=/bin/sh [ 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: 1007572K/1047552K available (5565K kernel code, 654K rwdata, 2128K rodata, 385K init, 5518K bss, 39980K 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 - 0xc078b9bc (7695 kB) [ 0.000000] .init : 0xc078c000 - 0xc07ec6c0 ( 386 kB) [ 0.000000] .data : 0xc07ee000 - 0xc0891998 ( 655 kB) [ 0.000000] .bss : 0xc0891998 - 0xc0df5538 (5519 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 bandgap_fclk [ 0.000000] OMAP clockevent source: timer1 at 32768 Hz [ 203.895904] sched_clock: 32 bits at 32kHz, resolution 30517ns, wraps every 65536000000000ns [ 0.000000] OMAP clocksource: 32k_counter at 32768 Hz [ 0.000152] smp_twd: clock not found -2 [ 0.002258] Console: colour dummy device 80x30 [ 0.002319] Lock dependency validator: Copyright (c) 2006 Red Hat, Inc., Ingo Molnar [ 0.002349] ... MAX_LOCKDEP_SUBCLASSES: 8 [ 0.002349] ... MAX_LOCK_DEPTH: 48 [ 0.002349] ... MAX_LOCKDEP_KEYS: 8191 [ 0.002380] ... CLASSHASH_SIZE: 4096 [ 0.002380] ... MAX_LOCKDEP_ENTRIES: 16384 [ 0.002380] ... MAX_LOCKDEP_CHAINS: 32768 [ 0.002410] ... CHAINHASH_SIZE: 16384 [ 0.002410] memory used by lock dependency info: 3695 kB [ 0.002410] per task-struct memory footprint: 1152 bytes [ 0.002471] Calibrating local timer... 347.52MHz. [ 0.058593] Calibrating delay loop... 1384.44 BogoMIPS (lpj=6922240) [ 0.147949] pid_max: default: 32768 minimum: 301 [ 0.148498] Security Framework initialized [ 0.148681] Mount-cache hash table entries: 512 [ 0.181884] CPU: Testing write buffer coherency: ok [ 0.183410] CPU0: thread -1, cpu 0, socket 0, mpidr 80000000 [ 0.183471] Setting up static identity map for 0x80546e20 - 0x80546e90 [ 0.183593] L310 cache controller enabled [ 0.183624] l2x0: 16 ways, CACHE_ID 0x410000c7, AUX_CTRL 0x7e470000, Cache size: 1024 kB [ 0.188568] CPU1: Booted secondary processor [ 0.227386] CPU1: thread -1, cpu 1, socket 0, mpidr 80000001 [ 0.227996] Brought up 2 CPUs [ 0.227996] SMP: Total of 2 processors activated. [ 0.228027] CPU: All CPU(s) started in SVC mode. [ 0.230712] devtmpfs: initialized [ 0.239746] VFP support v0.3: implementor 41 architecture 3 part 30 variant 9 rev 4 [ 0.243774] omap_hwmod: l3_main_3 using broken dt data from ocp [ 0.247589] omap_hwmod: l3_main_2 using broken dt data from ocp [ 0.411987] pinctrl core: initialized pinctrl subsystem [ 0.415344] regulator-dummy: no parameters [ 0.418304] NET: Registered protocol family 16 [ 0.424987] DMA: preallocated 256 KiB pool for atomic coherent allocations [ 0.503692] gpiochip_add: registered GPIOs 0 to 31 on device: gpio [ 0.504791] OMAP GPIO hardware version 0.1 [ 0.506805] gpiochip_add: registered GPIOs 32 to 63 on device: gpio [ 0.509490] gpiochip_add: registered GPIOs 64 to 95 on device: gpio [ 0.511749] gpiochip_add: registered GPIOs 96 to 127 on device: gpio [ 0.513946] gpiochip_add: registered GPIOs 128 to 159 on device: gpio [ 0.516265] gpiochip_add: registered GPIOs 160 to 191 on device: gpio [ 0.518157] omap-gpmc 50000000.gpmc: GPMC revision 6.0 [ 0.543029] platform 4b501000.aes: Cannot lookup hwmod 'aes' [ 0.543670] platform 480a5000.des: Cannot lookup hwmod 'des' [ 0.554199] No ATAGs? [ 0.554260] hw-breakpoint: found 5 (+1 reserved) breakpoint and 1 watchpoint registers. [ 0.554260] hw-breakpoint: maximum watchpoint size is 4 bytes. [ 0.558105] OMAP DMA hardware revision 0.0 [ 0.608093] bio: create slab at 0 [ 0.611022] edma-dma-engine edma-dma-engine.0: Can't allocate PaRAM dummy slot [ 0.611053] edma-dma-engine: probe of edma-dma-engine.0 failed with error -5 [ 0.673126] omap-dma-engine 4a056000.dma-controller: OMAP DMA engine driver [ 0.674346] of_get_named_gpiod_flags exited with status 0 [ 0.675415] hsusb1_vbus: 3300 mV [ 0.675872] reg-fixed-voltage wl12xx_vmmc.10: could not find pctldev for node /ocp/pinmux@4a100040/pinmux_wl12xx_gpio, deferring probe [ 0.675903] platform wl12xx_vmmc.10: Driver reg-fixed-voltage requests probe deferral [ 0.683349] SCSI subsystem initialized [ 0.685333] usbcore: registered new interface driver usbfs [ 0.685699] usbcore: registered new interface driver hub [ 0.686187] usbcore: registered new device driver usb [ 0.686584] of_get_named_gpiod_flags exited with status 0 [ 0.689849] omap_i2c 48070000.i2c: could not find pctldev for node /ocp/pinmux@4a100040/pinmux_i2c1_pins, deferring probe [ 0.689880] platform 48070000.i2c: Driver omap_i2c requests probe deferral [ 0.689971] omap_i2c 48072000.i2c: could not find pctldev for node /ocp/pinmux@4a100040/pinmux_i2c2_pins, deferring probe [ 0.690002] platform 48072000.i2c: Driver omap_i2c requests probe deferral [ 0.690063] omap_i2c 48060000.i2c: could not find pctldev for node /ocp/pinmux@4a100040/pinmux_i2c3_pins, deferring probe [ 0.690093] platform 48060000.i2c: Driver omap_i2c requests probe deferral [ 0.690155] omap_i2c 48350000.i2c: could not find pctldev for node /ocp/pinmux@4a100040/pinmux_i2c4_pins, deferring probe [ 0.690185] platform 48350000.i2c: Driver omap_i2c requests probe deferral [ 0.696868] Switched to clocksource 32k_counter [ 0.841674] NET: Registered protocol family 2 [ 0.843383] TCP established hash table entries: 8192 (order: 3, 32768 bytes) [ 0.843627] TCP bind hash table entries: 8192 (order: 6, 294912 bytes) [ 0.846313] TCP: Hash tables configured (established 8192 bind 8192) [ 0.846557] TCP: reno registered [ 0.846588] UDP hash table entries: 512 (order: 3, 40960 bytes) [ 0.847045] UDP-Lite hash table entries: 512 (order: 3, 40960 bytes) [ 0.848358] NET: Registered protocol family 1 [ 0.849487] RPC: Registered named UNIX socket transport module. [ 0.849487] RPC: Registered udp transport module. [ 0.849517] RPC: Registered tcp transport module. [ 0.849517] RPC: Registered tcp NFSv4.1 backchannel transport module. [ 0.851135] hw perfevents: enabled with ARMv7 Cortex-A9 PMU driver, 7 counters available [ 0.858795] futex hash table entries: 512 (order: 3, 32768 bytes) [ 1.019927] bounce pool size: 64 pages [ 1.020965] VFS: Disk quotas dquot_6.5.2 [ 1.021209] Dquot-cache hash table entries: 1024 (order 0, 4096 bytes) [ 1.023315] NFS: Registering the id_resolver key type [ 1.023681] Key type id_resolver registered [ 1.023681] Key type id_legacy registered [ 1.023803] jffs2: version 2.2. (NAND) (SUMMARY) © 2001-2006 Red Hat, Inc. [ 1.024322] msgmni has been set to 1473 [ 1.027465] io scheduler noop registered [ 1.027496] io scheduler deadline registered [ 1.027587] io scheduler cfq registered (default) [ 1.033843] pinctrl-single 4a100040.pinmux: 203 pins at pa fc100040 size 406 [ 1.034301] pinctrl-single 4a31e040.pinmux: 28 pins at pa fc31e040 size 56 [ 1.038024] Serial: 8250/16550 driver, 4 ports, IRQ sharing enabled [ 1.044677] omap_uart 4806a000.serial: no wakeirq for uart0 [ 1.044708] of_get_named_gpiod_flags: can't parse gpios property of node '/ocp/serial@4806a000[0]' [ 1.045776] 4806a000.serial: ttyO0 at MMIO 0x4806a000 (irq = 104, base_baud = 3000000) is a OMAP UART0 [ 1.047698] omap_uart 4806c000.serial: no wakeirq for uart0 [ 1.047729] of_get_named_gpiod_flags: can't parse gpios property of node '/ocp/serial@4806c000[0]' [ 1.048126] 4806c000.serial: ttyO1 at MMIO 0x4806c000 (irq = 105, base_baud = 3000000) is a OMAP UART1 [ 1.049316] omap_uart 48020000.serial: no wakeirq for uart0 [ 1.049346] of_get_named_gpiod_flags: can't parse gpios property of node '/ocp/serial@48020000[0]' [ 1.049743] 48020000.serial: ttyO2 at MMIO 0x48020000 (irq = 106, base_baud = 3000000) is a OMAP UART2 [ 1.540466] console [ttyO2] enabled [ 1.543792] omap_uart 4806e000.serial: no wakeirq for uart0 [ 1.546905] of_get_named_gpiod_flags: can't parse gpios property of node '/ocp/serial@4806e000[0]' [ 1.552215] 4806e000.serial: ttyO3 at MMIO 0x4806e000 (irq = 102, base_baud = 3000000) is a OMAP UART3 [ 1.585510] brd: module loaded [ 1.603118] loop: module loaded [ 1.610443] mtdoops: mtd device (mtddev=name/number) must be supplied [ 1.625274] usbcore: registered new interface driver asix [ 1.628631] usbcore: registered new interface driver ax88179_178a [ 1.632293] usbcore: registered new interface driver cdc_ether [ 1.635833] usbcore: registered new interface driver r815x [ 1.639251] usbcore: registered new interface driver CoreChips [ 1.642822] usbcore: registered new interface driver smsc95xx [ 1.646301] usbcore: registered new interface driver net1080 [ 1.649780] usbcore: registered new interface driver cdc_subset [ 1.653350] usbcore: registered new interface driver zaurus [ 1.656921] usbcore: registered new interface driver cdc_ncm [ 1.661529] usbcore: registered new interface driver cdc_wdm [ 1.665008] usbcore: registered new interface driver usb-storage [ 1.668701] usbcore: registered new interface driver usbtest [ 1.675140] mousedev: PS/2 mouse device common for all mice [ 1.682556] i2c /dev entries driver [ 1.684753] Driver for 1-wire Dallas network protocol. [ 1.689178] of_get_named_gpiod_flags exited with status 0 [ 1.696228] omap_wdt: OMAP Watchdog Timer Rev 0x01: initial timeout 60 sec [ 1.702606] of_get_named_gpiod_flags: can't parse gpios property of node '/ocp/mmc@4809c000[0]' [ 1.707427] of_get_named_gpiod_flags: can't parse gpios property of node '/ocp/mmc@4809c000[0]' [ 1.712738] omap_hsmmc 4809c000.mmc: vmmc regulator missing [ 1.716094] platform 4809c000.mmc: Driver omap_hsmmc requests probe deferral [ 1.720184] of_get_named_gpiod_flags: can't parse gpios property of node '/ocp/mmc@480d5000[0]' [ 1.724945] of_get_named_gpiod_flags: can't parse gpios property of node '/ocp/mmc@480d5000[0]' [ 1.730041] omap_hsmmc 480d5000.mmc: vmmc regulator missing [ 1.733245] platform 480d5000.mmc: Driver omap_hsmmc requests probe deferral [ 1.738708] usbcore: registered new interface driver usbhid [ 1.741760] usbhid: USB HID core driver [ 1.745788] oprofile: using arm/armv7-ca9 [ 1.748626] TCP: cubic registered [ 1.750457] Initializing XFRM netlink socket [ 1.752868] NET: Registered protocol family 17 [ 1.755371] NET: Registered protocol family 15 [ 1.758148] Key type dns_resolver registered [ 1.761993] Power Management for TI OMAP4+ devices. [ 1.764709] Power Management for TI OMAP4. [ 1.766998] OMAP4 PM: u-boot >= v2012.07 is required for full PM support [ 1.770812] ThumbEE CPU extension supported. [ 1.777160] of_get_named_gpiod_flags exited with status 0 [ 1.781402] vwl1271: 1800 mV [ 1.791229] Skipping twl internal clock init and using bootloader value (unknown osc rate) [ 1.797729] twl 0-0048: PIH (irq 39) nested IRQs [ 1.802185] twl_rtc rtc.11: Power up reset detected. [ 1.805938] twl_rtc rtc.11: Enabling TWL-RTC [ 1.813232] twl_rtc rtc.11: rtc core: registered rtc.11 as rtc0 [ 1.819152] VAUX1_6030: 1000 <--> 3000 mV at 2800 mV [ 1.824310] VAUX2_6030: 1200 <--> 2800 mV at 1800 mV [ 1.829345] VAUX3_6030: 1000 <--> 3000 mV at 1200 mV [ 1.834289] VMMC: 1200 <--> 3000 mV at 3000 mV [ 1.839141] VPP: 1800 <--> 2500 mV at 1900 mV [ 1.843749] VUSIM: 1200 <--> 2900 mV at 1800 mV [ 1.848358] VDAC: 1800 mV [ 1.851470] VANA: 2100 mV [ 1.855072] VCXIO: 1800 mV [ 1.858520] VUSB: 3300 mV [ 1.862152] V1V8: 1800 mV [ 1.865692] V2V1: 2100 mV [ 1.875091] of_get_named_gpiod_flags exited with status 0 [ 1.881896] omap_i2c 48070000.i2c: bus 0 rev0.11 at 400 kHz [ 1.887451] omap_i2c 48072000.i2c: bus 1 rev0.11 at 400 kHz [ 1.893310] omap_i2c 48060000.i2c: bus 2 rev0.11 at 100 kHz [ 1.898315] omap_i2c 48350000.i2c: bus 3 rev0.11 at 400 kHz [ 1.898406] of_get_named_gpiod_flags: can't parse gpios property of node '/ocp/mmc@4809c000[0]' [ 1.898406] of_get_named_gpiod_flags: can't parse gpios property of node '/ocp/mmc@4809c000[0]' [ 1.911621] 4809c000.mmc supply vmmc_aux not found, using dummy regulator [ 1.918579] omap_hsmmc 4809c000.mmc: pins are not configured from the driver [ 1.966949] of_get_named_gpiod_flags: can't parse gpios property of node '/ocp/mmc@480d5000[0]' [ 1.972015] of_get_named_gpiod_flags: can't parse gpios property of node '/ocp/mmc@480d5000[0]' [ 1.977416] 480d5000.mmc supply vmmc_aux not found, using dummy regulator [ 2.045928] mmc0: host does not support reading read-only switch. assuming write-enable. [ 2.053131] mmc0: new high speed SD card at address 1234 [ 2.057495] isa bounce pool size: 16 pages [ 2.061065] mmcblk0: mmc0:1234 SA02G 1.83 GiB [ 2.069885] mmcblk0: p1 p2 [ 2.192749] omap_hsmmc 480d5000.mmc: card claims to support voltages below defined range [ 2.197418] twl_rtc rtc.11: setting system clock to 2000-01-01 00:00:00 UTC (946684800) [ 2.241394] mmc1: queuing unknown CIS tuple 0x91 (3 bytes) [ 2.248443] mmc1: new SDIO card at address 0001 [ 2.255340] kjournald starting. Commit interval 5 seconds [ 2.258819] EXT3-fs (mmcblk0p2): mounted filesystem with ordered data mode [ 2.258819] VFS: Mounted root (ext3 filesystem) readonly on device 179:2. [ 2.270507] devtmpfs: mounted [ 2.273040] Freeing unused kernel memory: 384K (c078c000 - c07ec000) /bin/sh: can't access tty; job control turned off / # / # / # / # / # %% Start PM consolidated quick test (retention only) %% Preparation / # / # mount -t sysfs none /sys / # / # mount -t debugfs none /debug / # / # / # / # for u in `ls -1d /sys/bus/platform/drivers/omap_uart/*.serial | paste -s -d'  '`; do echo -1 > $u/power/autosuspend_delay_ms; done / # / # echo 0 > /debug/pm_debug/enable_off_mode / # / # %% Baseline pm_debug count dump cat /debug/pm_debug/count [ 9.385467] pwrdm state mismatch(ivahd_pwrdm) 3 != 1 [ 9.388305] pwrdm state mismatch(tesla_pwrdm) 3 != 1 [ 9.391052] 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:3,INA:0,ON:3,RET-LOGIC-OFF:0,RET-MEMBANK1-OFF:0 cam_pwrdm (OFF),OFF:2,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:1,RET:0,INA:0,ON:1,RET-LOGIC-OFF:0,RET-MEMBANK1-OFF:0 abe_pwrdm (RET),OFF:1,RET:1,INA:0,ON:1,RET-LOGIC-OFF:0,RET-MEMBANK1-OFF:0,RET-MEMBANK2-OFF:0 gfx_pwrdm (OFF),OFF:2,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 (3) 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 (7) 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) / # / # echo enabled > /sys/devices/44000000.ocp/48020000.serial/tty/ttyO2/power/wak eup / # %% Start retention double suspend/resume UART wakeup test echo mem > /sys/power/state [ 11.586975] PM: Syncing filesystems ... done. [ 11.591766] PM: Preparing system for mem sleep [ 11.600372] Freezing user space processes ... (elapsed 0.002 seconds) done. [ 11.602874] Freezing remaining freezable tasks ... (elapsed 0.002 seconds) done. [ 11.610534] PM: Entering mem sleep [ 11.610595] Suspending console(s) (use no_console_suspend to debug) [ 11.631103] PM: suspend of devices complete after 11.840 msecs [ 11.631134] PM: late suspend of devices complete after 0.001 msecs [ 11.638885] PM: noirq suspend of devices complete after 7.659 msecs [ 11.638885] Disabling non-boot CPUs ... [ 11.643920] CPU1: shutdown [ 11.644927] Powerdomain (core_pwrdm) didn't enter target state 1 [ 11.644927] Powerdomain (mpu_pwrdm) didn't enter target state 1 [ 11.644927] Powerdomain (core_pwrdm) didn't enter target state 1 [ 11.644927] Powerdomain (mpu_pwrdm) didn't enter target state 1 [ 11.644927] Could not enter target state in pm_suspend [ 11.644927] A possible cause could be an old bootloader - try u-boot >= v2012.07 [ 11.644927] hw-breakpoint: Failed to enable monitor mode on CPU 0. [ 11.644958] Enabling non-boot CPUs ... [ 11.647369] CPU1: Booted secondary processor [ 11.648803] CPU1 is up [ 11.651245] PM: noirq resume of devices complete after 2.441 msecs [ 11.654846] PM: early resume of devices complete after 3.601 msecs [ 11.890594] PM: resume of devices complete after 235.687 msecs [ 11.948486] PM: Finishing wakeup. [ 11.948486] Restarting tasks ... done. / # / # a /bin/sh: a: not found / #