See the dmesg from my 3.2 kernel: [ 0.000000] Booting Linux on physical CPU 0[ 0.000000] Initializing cgroup subsys cpuset[ 0.000000] Initializing cgroup subsys cpu[ 0.000000] Linux version 3.2.0-omap4 (eranian@panda) (gcc version 4.6.1 (Ubuntu/Linaro 4.6.1-9ubuntu3) ) #9 SMP PR[ 0.000000] CPU: ARMv7 Processor [411fc092] revision 2 (ARMv7), cr=10c5387d[ 0.000000] CPU: PIPT / VIPT nonaliasing data cache, VIPT aliasing instruction cache[ 0.000000] Machine: OMAP4 Panda board[ 0.000000] Reserving 33554432 bytes SDRAM for VRAM[ 0.000000] Memory policy: ECC disabled, Data cache writealloc[ 0.000000] On node 0 totalpages: 239616[ 0.000000] free_area_init_node: node 0, pgdat c077c180, node_mem_map c07f4000[ 0.000000] Normal zone: 1536 pages used for memmap[ 0.000000] Normal zone: 0 pages reserved[ 0.000000] Normal zone: 180736 pages, LIFO batch:31[ 0.000000] HighMem zone: 512 pages used for memmap[ 0.000000] HighMem zone: 56832 pages, LIFO batch:15[ 0.000000] OMAP4430 ES2.2[ 0.000000] PERCPU: Embedded 8 pages/cpu @c0ffc000 s10240 r8192 d14336 u32768[ 0.000000] pcpu-alloc: s10240 r8192 d14336 u32768 alloc=8*4096[ 0.000000] pcpu-alloc: [0] 0 [0] 1[ 0.000000] Built 1 zonelists in Zone order, mobility grouping on. Total pages: 237568[ 0.000000] Kernel command line: ro elevator=noop vram=32M mem=456M@0x80000000 mem=512M@0xA0000000 root=UUID=ec3f7a[ 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 4194304 bytes of page_cgroup[ 0.000000] please try 'cgroup_disable=memory' option if you don't want memory cgroups[ 0.000000] Memory: 456MB 480MB = 936MB total[ 0.000000] Memory: 934980k/934980k available, 56252k reserved, 229376K highmem[ 0.000000] Virtual kernel memory layout:[ 0.000000] vector : 0xffff0000 - 0xffff1000 ( 4 kB)[ 0.000000] fixmap : 0xfff00000 - 0xfffe0000 ( 896 kB)[ 0.000000] vmalloc : 0xf0800000 - 0xf8000000 ( 120 MB)[ 0.000000] lowmem : 0xc0000000 - 0xf0000000 ( 768 MB)[ 0.000000] pkmap : 0xbfe00000 - 0xc0000000 ( 2 MB)[ 0.000000] modules : 0xbf000000 - 0xbfe00000 ( 14 MB)[ 0.000000] .text : 0xc0008000 - 0xc06e1134 (7013 kB)[ 0.000000] .init : 0xc06e2000 - 0xc071e800 ( 242 kB)[ 0.000000] .data : 0xc0720000 - 0xc077ecf0 ( 380 kB)[ 0.000000] .bss : 0xc077ed14 - 0xc07f32ec ( 466 kB)[ 0.000000] SLUB: Genslabs=13, HWalign=32, Order=0-3, MinObjects=0, CPUs=2, Nodes=1[ 0.000000] Preemptible hierarchical RCU implementation.[ 0.000000] NR_IRQS:410[ 0.000000] omap_hwmod: dpll_mpu_m2_ck: missing clockdomain for dpll_mpu_m2_ck.[ 0.000000] OMAP clockevent source: GPTIMER1 at 32768 Hz[ 0.000000] sched_clock: 32 bits at 32kHz, resolution 30517ns, wraps every 131071999ms[ 0.000000] Console: colour dummy device 80x30[ 0.000000] console [tty0] enabled[ 0.000213] Calibrating delay loop... 1576.53 BogoMIPS (lpj=6156288)[ 0.070373] pid_max: default: 32768 minimum: 301[ 0.070617] Security Framework initialized[ 0.070678] Smack: Initializing.[ 0.070770] Mount-cache hash table entries: 512[ 0.071807] Initializing cgroup subsys cpuacct[ 0.071868] Initializing cgroup subsys memory[ 0.071929] Initializing cgroup subsys devices[ 0.071929] Initializing cgroup subsys freezer[ 0.071960] Initializing cgroup subsys blkio[ 0.071990] Initializing cgroup subsys perf_event[ 0.072143] CPU: Testing write buffer coherency: ok[ 0.072448] CPU0: thread -1, cpu 0, socket 0, mpidr 80000000[ 0.072509] Calibrating local timer... 386.32MHz.[ 0.117462] hw perfevents: enabled with ARMv7 Cortex-A9 PMU driver, 7 counters available[ 0.117523] L310 cache controller enabled[ 0.117523] l2x0: 16 ways, CACHE_ID 0x410000c4, AUX_CTRL 0x7e470000, Cache size: 1048576 B[ 0.194000] CPU1: Booted secondary processor[ 0.224121] CPU1: thread -1, cpu 1, socket 0, mpidr 80000001[ 0.224151] CPU1: Unknown IPI message 0x1[ 0.224182] Brought up 2 CPUs[ 0.224212] SMP: Total of 2 processors activated (3115.31 BogoMIPS).[ 0.225097] devtmpfs: initialized[ 0.228820] omap_hwmod: l3_div_ck: missing clockdomain for l3_div_ck.[ 0.231903] omap_hwmod: dmm: _wait_target_disable failed[ 0.234497] omap_hwmod: emif_fw: _wait_target_disable failed[ 0.237091] omap_hwmod: l3_main_1: _wait_target_disable failed[ 0.239715] omap_hwmod: l3_main_2: _wait_target_disable failed[ 0.242309] omap_hwmod: l4_abe: _wait_target_disable failed[ 0.244903] omap_hwmod: l4_cfg: _wait_target_disable failed[ 0.247528] omap_hwmod: l4_per: _wait_target_disable failed[ 0.250610] omap_hwmod: l4_wkup: _wait_target_disable failed[ 0.253234] omap_hwmod: dma_system: _wait_target_disable failed[ 0.255889] omap_hwmod: dss_core: _wait_target_disable failed[ 0.258514] omap_hwmod: dss_dispc: _wait_target_disable failed[ 0.261108] omap_hwmod: dss_dsi1: _wait_target_disable failed[ 0.263732] omap_hwmod: dss_dsi2: _wait_target_disable failed[ 0.266326] omap_hwmod: dss_hdmi: _wait_target_disable failed[ 0.268920] omap_hwmod: dss_rfbi: _wait_target_disable failed[ 0.271545] omap_hwmod: dss_venc: _wait_target_disable failed[ 0.275054] omap_hwmod: mailbox: _wait_target_disable failed[ 0.277709] omap_hwmod: mcpdm: cannot be enabled (3)[ 0.280487] omap_hwmod: spinlock: _wait_target_disable failed[ 0.282348] print_constraints: dummy:[ 0.282592] NET: Registered protocol family 16[ 0.282775] GPMC revision 6.0[ 0.284332] OMAP GPIO hardware version 0.1 [ 0.285552] omap_mux_init: Add partition: #1: core, flags: 2 [ 0.286468] omap_mux_init: Add partition: #2: wkup, flags: 2 [ 0.291015] hw-breakpoint: found 5 (+1 reserved) breakpoint and 1 watchpoint registers. [ 0.291015] hw-breakpoint: maximum watchpoint size is 4 bytes. [ 0.291595] RES:0 IRQ:33 [ 0.291595] RES:1 IRQ:34 [ 0.294219] OMAP DMA hardware revision 0.0 [ 0.299591] bio: create slab <bio-0> at 0 [ 0.300109] print_constraints: vwl1271: 1800 mV [ 0.300994] SCSI subsystem initialized [ 0.301239] usbcore: registered new interface driver usbfs [ 0.301300] usbcore: registered new interface driver hub [ 0.301391] usbcore: registered new device driver usb [ 0.315643] omap_i2c omap_i2c.1: bus 1 rev2.4.0 at 400 kHz [ 0.316131] Skipping twl internal clock init and using bootloader value (unknown osc rate) [ 0.316619] twl6030: PIH (irq 39) chaining IRQs 368..387 [ 0.316986] print_constraints: VUSB: 3300 mV normal standby [ 0.514312] twl6030_usb twl6030_usb: Initialized TWL6030 USB module [ 0.514648] print_constraints: VMMC: 1200 <--> 3000 mV at 3000 mV normal standby [ 0.515075] print_constraints: VPP: 1800 <--> 2500 mV at 1900 mV normal standby [ 0.515563] print_constraints: VCXIO: 1800 mV normal standby [ 0.515808] print_constraints: VDAC: 1800 mV normal standby [ 0.516174] print_constraints: VAUX2_6030: 1200 <--> 2800 mV at 1800 mV normal standby [ 0.516601] print_constraints: VAUX3_6030: 1000 <--> 3000 mV at 1200 mV normal standby [ 0.516845] print_constraints: CLK32KG: [ 0.517059] print_constraints: VANA: 2100 mV normal standby [ 0.529052] omap_i2c omap_i2c.2: bus 2 rev2.4.0 at 400 kHz [ 0.544281] omap_i2c omap_i2c.3: bus 3 rev2.4.0 at 100 kHz [ 0.559539] omap_i2c omap_i2c.4: bus 4 rev2.4.0 at 400 kHz [ 0.559997] Advanced Linux Sound Architecture Driver Version 1.0.24. [ 0.560516] Bluetooth: Core ver 2.16 [ 0.560577] NET: Registered protocol family 31 [ 0.560577] Bluetooth: HCI device and connection manager initialized [ 0.560607] Bluetooth: HCI socket layer initialized [ 0.560821] cfg80211: Calling CRDA to update world regulatory domain [ 0.561523] NetLabel: Initializing [ 0.561523] NetLabel: domain hash size = 128 [ 0.561553] NetLabel: protocols = UNLABELED CIPSOv4 [ 0.561584] NetLabel: unlabeled traffic allowed by default [ 0.561614] Switching to clocksource 32k_counter [ 0.592681] musb-hdrc: version 6.0, ?dma?, otg (peripheral+host) [ 0.592864] musb-hdrc: ConfigData=0xde (UTMI-8, dyn FIFOs, bulk combine, bulk split, HB-ISO Rx, HB-ISO Tx, SoftConn [ 0.592926] musb-hdrc: MHDRC RTL version 2.0 [ 0.592926] musb-hdrc: setup fifo_mode 4 [ 0.592956] musb-hdrc: 28/31 max ep, 16384/16384 memory [ 0.593231] musb-hdrc musb-hdrc: USB OTG mode controller at fc0ab000 using DMA, IRQ 124 [ 0.593627] NET: Registered protocol family 2 [ 0.593933] IP route cache hash table entries: 32768 (order: 5, 131072 bytes) [ 0.595001] TCP established hash table entries: 131072 (order: 8, 1048576 bytes) [ 0.596923] TCP bind hash table entries: 65536 (order: 7, 786432 bytes) [ 0.598022] TCP: Hash tables configured (established 131072 bind 65536) [ 0.598022] TCP reno registered [ 0.598052] UDP hash table entries: 512 (order: 2, 16384 bytes) [ 0.598083] UDP-Lite hash table entries: 512 (order: 2, 16384 bytes) [ 0.598449] NET: Registered protocol family 1 [ 0.598846] RPC: Registered named UNIX socket transport module. [ 0.598846] RPC: Registered udp transport module. [ 0.598846] RPC: Registered tcp transport module. [ 0.598876] RPC: Registered tcp NFSv4.1 backchannel transport module. [ 0.599121] Trying to unpack rootfs image as initramfs... [ 0.793060] Freeing initrd memory: 2612K [ 0.914703] audit: initializing netlink socket (disabled) [ 0.914764] type=2000 audit(0.921:1): initialized [ 1.053497] highmem bounce pool size: 64 pages [ 1.060485] VFS: Disk quotas dquot_6.5.2 [ 1.060913] Dquot-cache hash table entries: 1024 (order 0, 4096 bytes) [ 1.063934] msgmni has been set to 1383 [ 1.065399] Block layer SCSI generic (bsg) driver version 0.4 loaded (major 252) [ 1.065429] io scheduler noop registered (default) [ 1.065429] io scheduler deadline registered [ 1.065460] io scheduler cfq registered [ 1.066253] OMAP DSS rev 4.0 [ 1.068847] omap_hwmod: dss_core: _wait_target_disable failed [ 1.071716] omap_hwmod: dss_core: _wait_target_disable failed [ 1.074340] omap_hwmod: dss_dispc: _wait_target_disable failed [ 1.077209] omap_hwmod: dss_dispc: _wait_target_disable failed [ 1.079864] omap_hwmod: dss_core: _wait_target_disable failed [ 1.082489] omap_hwmod: dss_dsi1: _wait_target_disable failed [ 1.085266] omap_hwmod: dss_dispc: _wait_target_disable failed [ 1.087890] omap_hwmod: dss_dsi2: _wait_target_disable failed [ 1.091247] omap_hwmod: dss_dispc: _wait_target_disable failed [ 1.093841] omap_hwmod: dss_core: _wait_target_disable failed [ 1.098175] omap_uart.0: ttyO0 at MMIO 0x4806a000 (irq = 104) is a OMAP UART0 [ 1.116394] omap_uart.1: ttyO1 at MMIO 0x4806c000 (irq = 105) is a OMAP UART1 [ 1.139831] omap_uart.2: ttyO2 at MMIO 0x48020000 (irq = 106) is a OMAP UART2 [ 1.257019] omap_uart.3: ttyO3 at MMIO 0x4806e000 (irq = 102) is a OMAP UART3 [ 1.382202] [drm] Initialized drm 1.1.0 20060810 [ 1.382781] brd: module loaded [ 1.386749] loop: module loaded [ 1.386932] (stk) :sysfs entries created [ 1.386962] (stk) : debugfs entries created [ 1.387573] usbcore: registered new interface driver smsc95xx [ 1.387603] cdc_ncm: 04-Aug-2011 [ 1.387695] usbcore: registered new interface driver cdc_ncm [ 1.387786] ehci_hcd: USB 2.0 'Enhanced' Host Controller (EHCI) Driver [ 1.387817] ehci_hcd: block sizes: qh 64 qtd 96 itd 160 sitd 96 [ 1.387908] _regulator_get: ehci-omap.0 supply hsusb0 not found, using dummy regulator [ 1.388031] ehci-omap ehci-omap.0: reset hcs_params 0x1313 dbg=0 cc=1 pcc=3 ordered ports=3 [ 1.388061] ehci-omap ehci-omap.0: reset hcc_params 20016 thresh 1 uframes 256/512/1024 park LPM [ 1.388061] ehci-omap ehci-omap.0: reset hcc_params 20016 thresh 1 uframes 256/512/1024 park LPM [ 1.388061] ehci-omap ehci-omap.0: OMAP-EHCI Host Controller [ 1.388092] ehci-omap ehci-omap.0: new USB bus registered, assigned bus number 1 [ 1.388214] ehci-omap ehci-omap.0: park 0 [ 1.388214] ehci-omap ehci-omap.0: support lpm [ 1.388244] ehci-omap ehci-omap.0: irq 109, io mem 0x4a064c00 [ 1.388275] ehci-omap ehci-omap.0: reset command 0080b02 park=3 ithresh=8 period=1024 Reset HALT [ 1.388305] ehci-omap ehci-omap.0: init command 0010005 (park)=0 ithresh=1 period=512 RUN [ 1.397613] ehci-omap ehci-omap.0: USB 2.0 started, EHCI 1.00 [ 1.397735] usb usb1: default language 0x0409 [ 1.397766] usb usb1: udev 1, busnum 1, minor = 0 [ 1.397796] usb usb1: New USB device found, idVendor=1d6b, idProduct=0002 [ 1.397796] usb usb1: New USB device strings: Mfr=3, Product=2, SerialNumber=1 [ 1.397796] usb usb1: Product: OMAP-EHCI Host Controller [ 1.397827] usb usb1: Manufacturer: Linux 3.2.0-omap4 ehci_hcd [ 1.397827] usb usb1: SerialNumber: ehci-omap.0 [ 1.398223] usb usb1: usb_probe_device [ 1.398254] usb usb1: configuration #1 chosen from 1 choice [ 1.398284] usb usb1: adding 1-0:1.0 (config #1, interface 0) [ 1.398406] hub 1-0:1.0: usb_probe_interface [ 1.398406] hub 1-0:1.0: usb_probe_interface - got id [ 1.398437] hub 1-0:1.0: USB hub found [ 1.398437] hub 1-0:1.0: 3 ports detected [ 1.398468] hub 1-0:1.0: standalone hub [ 1.398468] hub 1-0:1.0: individual port power switching [ 1.398468] hub 1-0:1.0: individual port over-current protection [ 1.398498] hub 1-0:1.0: power on to power good time: 20ms [ 1.398498] hub 1-0:1.0: local power source is good [ 1.398529] hub 1-0:1.0: enabling power on all ports [ 1.398712] ehci-omap ehci-omap.0: ...powerup ports... [ 1.428924] ohci_hcd: USB 1.1 'Open' Host Controller (OHCI) Driver [ 1.428924] ohci_hcd: block sizes: ed 64 td 64 [ 1.429046] ohci-omap3 ohci-omap3.0: OMAP3 OHCI Host Controller [ 1.429077] ohci-omap3 ohci-omap3.0: new USB bus registered, assigned bus number 2 [ 1.429077] ohci-omap3 ohci-omap3.0: starting OHCI controller [ 1.429168] ohci-omap3 ohci-omap3.0: created debug files [ 1.429199] ohci-omap3 ohci-omap3.0: irq 108, io mem 0x4a064800 [ 1.499206] ehci-omap ehci-omap.0: GetStatus port:1 status 001803 0 ACK POWER sig=j CSC CONNECT [ 1.499237] hub 1-0:1.0: port 1: status 0501 change 0001 [ 1.510986] ohci-omap3 ohci-omap3.0: OHCI controller state [ 1.510986] ohci-omap3 ohci-omap3.0: OHCI 1.0, NO legacy support registers [ 1.511016] ohci-omap3 ohci-omap3.0: control 0x283 RWC HCFS=operational CBSR=3 [ 1.511016] ohci-omap3 ohci-omap3.0: cmdstatus 0x00000 SOC=0 [ 1.511047] ohci-omap3 ohci-omap3.0: intrstatus 0x00000004 SF [ 1.511047] ohci-omap3 ohci-omap3.0: intrenable 0x8000005a MIE RHSC UE RD WDH [ 1.511077] ohci-omap3 ohci-omap3.0: hcca frame #0014 [ 1.511077] ohci-omap3 ohci-omap3.0: roothub.a 0a000203 POTPGT=10 NPS NDP=3(3) [ 1.511108] ohci-omap3 ohci-omap3.0: roothub.b 00000000 PPCM=0000 DR=0000 [ 1.511108] ohci-omap3 ohci-omap3.0: roothub.status 00008000 DRWE [ 1.511108] ohci-omap3 ohci-omap3.0: roothub.portstatus [0] 0x00000100 PPS [ 1.511138] ohci-omap3 ohci-omap3.0: roothub.portstatus [1] 0x00000100 PPS [ 1.511138] ohci-omap3 ohci-omap3.0: roothub.portstatus [2] 0x00000100 PPS [ 1.511199] usb usb2: default language 0x0409 [ 1.511230] usb usb2: udev 1, busnum 2, minor = 128 [ 1.511230] usb usb2: New USB device found, idVendor=1d6b, idProduct=0001 [ 1.511260] usb usb2: New USB device strings: Mfr=3, Product=2, SerialNumber=1 [ 1.511260] usb usb2: Product: OMAP3 OHCI Host Controller [ 1.511291] usb usb2: Manufacturer: Linux 3.2.0-omap4 ohci_hcd [ 1.511291] usb usb2: SerialNumber: ohci-omap3.0 [ 1.511627] usb usb2: usb_probe_device [ 1.511627] usb usb2: configuration #1 chosen from 1 choice [ 1.511657] usb usb2: adding 2-0:1.0 (config #1, interface 0) [ 1.511779] hub 2-0:1.0: usb_probe_interface [ 1.511779] hub 2-0:1.0: usb_probe_interface - got id [ 1.511779] hub 2-0:1.0: USB hub found [ 1.511810] hub 2-0:1.0: 3 ports detected [ 1.511810] hub 2-0:1.0: standalone hub [ 1.511840] hub 2-0:1.0: no power switching (usb 1.0) [ 1.511840] hub 2-0:1.0: global over-current protection [ 1.511871] hub 2-0:1.0: power on to power good time: 20ms [ 1.511871] hub 2-0:1.0: local power source is good [ 1.511901] hub 2-0:1.0: no over-current condition exists [ 1.511901] hub 2-0:1.0: trying to enable port power on non-switchable hub [ 1.512176] Initializing USB Mass Storage driver... [ 1.512329] usbcore: registered new interface driver usb-storage [ 1.512359] USB Mass Storage support registered. [ 1.512664] mousedev: PS/2 mouse device common for all mice [ 1.515930] twl_rtc twl_rtc: rtc core: registered twl_rtc as rtc0 [ 1.516174] i2c /dev entries driver [ 1.516815] Linux video capture interface: v2.00 [ 1.516845] Driver for 1-wire Dallas network protocol. [ 1.516967] 1-Wire driver for the DS2760 battery monitor chip - (c) 2004-2005, Szabolcs Gyurko [ 1.517669] OMAP Watchdog Timer Rev 0x00: initial timeout 60 sec [ 1.517822] Bluetooth: Bluetooth Driver for TI WiLink - Version 1.0 [ 1.517913] cpuidle: using governor ladder [ 1.517944] cpuidle: using governor menu [ 1.519592] _regulator_get: omap_hsmmc.0 supply vmmc_aux not found, using dummy regulator [ 1.522094] _regulator_get: omap_hsmmc.4 supply vmmc_aux not found, using dummy regulator [ 1.592010] Registered led device: pandaboard::status1 [ 1.592102] Registered led device: pandaboard::status2 [ 1.592712] omap-iommu omap-iommu.0: ducati registered [ 1.593780] ALSA device list: [ 1.593780] No soundcards found. [ 1.594940] TCP cubic registered [ 1.595581] NET: Registered protocol family 10 [ 1.598114] NET: Registered protocol family 17 [ 1.598266] lib80211: common routines for IEEE802.11 drivers [ 1.598297] lib80211_crypt: registered algorithm 'NULL' [ 1.598297] Registering the dns_resolver key type [ 1.598327] VFP support v0.3: implementor 41 architecture 3 part 30 variant 9 rev 1 [ 1.598358] ThumbEE CPU extension supported. [ 1.598388] Registering SWP/SWPB emulation handler [ 1.600585] omap_vc_i2c_init: I2C config for all channels must match. [ 1.600616] omap_vc_i2c_init: I2C config for all channels must match. [ 1.600799] hub 1-0:1.0: state 7 ports 3 chg 0002 evt 0000 [ 1.600830] hub 1-0:1.0: port 1, status 0501, change 0000, 480 Mb/s [ 1.602111] Power Management for TI OMAP4. [ 1.602142] sr_init: No PMIC hook to init smartreflex [ 1.602294] smartreflex smartreflex.0: omap_sr_probe: SmartReflex driver initialized [ 1.602416] smartreflex smartreflex.1: omap_sr_probe: SmartReflex driver initialized [ 1.602539] smartreflex smartreflex.2: omap_sr_probe: SmartReflex driver initialized [ 1.602691] SmartReflex Class3 initialized [ 1.610168] registered taskstats version 1 [ 1.610321] omapfb omapfb: no driver for display: dvi [ 1.623474] omapdss error: timeout reading edid [ 1.629852] omap_hwmod: dss_hdmi: _wait_target_disable failed [ 1.632507] omap_hwmod: dss_dispc: _wait_target_disable failed [ 1.635131] omap_hwmod: dss_core: _wait_target_disable failed [ 1.653015] Console: switching to colour frame buffer device 80x30 [ 1.658050] omap_hwmod: dss_dispc: _wait_target_disable failed [ 1.660644] omap_hwmod: dss_core: _wait_target_disable failed [ 1.663421] ehci-omap ehci-omap.0: port 1 high speed [ 1.663452] ehci-omap ehci-omap.0: GetStatus port:1 status 001005 0 ACK POWER sig=se0 PE CONNECT [ 1.665924] omap_hwmod: dss_dispc: _wait_target_disable failed [ 1.668548] omap_hwmod: dss_core: _wait_target_disable failed [ 1.686309] regulator_init_complete: VANA: incomplete constraints, leaving on [ 1.687469] regulator_init_complete: VDAC: incomplete constraints, leaving on [ 1.688049] regulator_init_complete: VUSB: incomplete constraints, leaving on [ 1.688873] twl_rtc twl_rtc: setting system clock to 2012-01-06 11:35:33 UTC (1325849733) [ 1.689300] Freeing init memory: 240K [ 1.725799] usb 1-1: new high-speed USB device number 2 using ehci-omap [ 1.771179] udevd[68]: starting version 173 [ 1.788543] ehci-omap ehci-omap.0: port 1 high speed [ 1.788574] ehci-omap ehci-omap.0: GetStatus port:1 status 001005 0 ACK POWER sig=se0 PE CONNECT [ 1.882476] usb 1-1: udev 2, busnum 1, minor = 1 [ 1.882507] usb 1-1: New USB device found, idVendor=0424, idProduct=9514 [ 1.882507] usb 1-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0 [ 1.882934] usb 1-1: usb_probe_device [ 1.882934] usb 1-1: configuration #1 chosen from 1 choice [ 1.883117] usb 1-1: adding 1-1:1.0 (config #1, interface 0) [ 1.883239] hub 1-1:1.0: usb_probe_interface [ 1.883270] hub 1-1:1.0: usb_probe_interface - got id [ 1.883270] hub 1-1:1.0: USB hub found [ 1.883453] hub 1-1:1.0: 5 ports detected [ 1.883453] hub 1-1:1.0: compound device; port removable status: FRRRR [ 1.883483] hub 1-1:1.0: individual port power switching [ 1.883483] hub 1-1:1.0: individual port over-current protection [ 1.883636] hub 1-1:1.0: TT per port [ 1.883666] hub 1-1:1.0: TT requires at most 8 FS bit times (666 ns) [ 1.883666] hub 1-1:1.0: power on to power good time: 100ms [ 1.883941] hub 1-1:1.0: local power source is good [ 1.883972] hub 1-1:1.0: enabling power on all ports [ 1.884674] hub 2-0:1.0: state 7 ports 3 chg 0000 evt 0000 [ 1.984588] hub 1-1:1.0: port 1: status 0101 change 0001 [ 2.085235] usb 1-1: link qh256-0001/ef2b23c0 start 1 [1/0 us] [ 2.085296] hub 1-1:1.0: state 7 ports 5 chg 0002 evt 0000 [ 2.085449] hub 1-1:1.0: port 1, status 0101, change 0000, 12 Mb/s [ 2.104522] mmc0: host does not support reading read-only switch. assuming write-enable. [ 2.106475] mmc0: new high speed SDHC card at address 0007 [ 2.107696] mmcblk0: mmc0:0007 SD08G 7.42 GiB [ 2.111999] mmcblk0: p1 p2 [ 2.171325] usb 1-1.1: new high-speed USB device number 3 using ehci-omap [ 2.291595] usb 1-1.1: udev 3, busnum 1, minor = 2 [ 2.291595] usb 1-1.1: New USB device found, idVendor=0424, idProduct=ec00 [ 2.291625] usb 1-1.1: New USB device strings: Mfr=0, Product=0, SerialNumber=0 [ 2.291961] usb 1-1.1: usb_probe_device [ 2.291992] usb 1-1.1: configuration #1 chosen from 1 choice [ 2.294281] usb 1-1.1: adding 1-1.1:1.0 (config #1, interface 0) [ 2.294433] smsc95xx 1-1.1:1.0: usb_probe_interface [ 2.294464] smsc95xx 1-1.1:1.0: usb_probe_interface - got id [ 2.294525] smsc95xx v1.0.4 [ 2.422302] smsc95xx 1-1.1:1.0: eth0: register 'smsc95xx' at usb-ehci-omap.0-1.1, smsc95xx USB 2.0 Ethernet, 1a:8b: [ 2.422424] hub 1-1:1.0: state 7 ports 5 chg 0000 evt 0002 [ 2.823638] EXT4-fs (mmcblk0p2): mounted filesystem with ordered data mode. Opts: (null) [ 5.319183] udevd[223]: starting version 173 [ 6.641143] usb 1-1.1: link qh8-0001/eecde0c0 start 2 [1/0 us] [ 8.164916] smsc95xx 1-1.1:1.0: eth0: link up, 100Mbps, full-duplex, lpa 0x45E1 [ 8.581451] EXT4-fs (mmcblk0p2): re-mounted. Opts: errors=remount-ro [ 9.204528] init: failsafe main process (513) killed by TERM signal [ 10.159149] init: apport pre-start process (590) terminated with status 1 [ 10.171966] init: alsa-restore main process (601) terminated with status 19 [ 10.310028] init: apport post-stop process (630) terminated with status 1 [ 16.678833] eth0: no IPv6 routers present [ 18.239624] Adding 524240k swap on /SWAP.swap. Priority:-1 extents:11 across:571384k SS [ 616.003448] omap_hwmod: dss_hdmi: _wait_target_disable failed [ 616.006103] omap_hwmod: dss_dispc: _wait_target_disable failed [ 616.008728] omap_hwmod: dss_core: _wait_target_disable failed On Tue, Jan 10, 2012 at 12:30 AM, Ming Lei <ming.lei@xxxxxxxxxxxxx> wrote: > Hi, > > On Tue, Jan 10, 2012 at 6:49 AM, Will Deacon <will.deacon@xxxxxxx> wrote: >> On Mon, Jan 09, 2012 at 04:39:09PM +0000, Maynard Johnson wrote: >>> On 01/08/2012 8:58 PM, Lik Lik wrote: >>> > Hi all, >> >> Hi guys [adding a bunch of people to CC because this issue is really >> annoying me now], >> >>> > I am an oprofile user and I need to profile one of my applications on a TI OMAP4 >>> > platform (pandaboard, to be specific). I have ubuntu 11.10 installed. My problem >>> > is that oprofile always use the timer interrupt mode but doesn't recognize the >>> > hardware counters, which I am sure my platform has. >> >> First and foremost, we can't currently generate PMU interrupts on OMAP4 in >> mainline. There are some additional patches required for these to work: >> >> http://marc.info/?l=linux-arm-kernel&m=131946761428296&w=2 >> >> However, as Stephane has pointed out here: >> >> http://marc.info/?l=linux-omap&m=132585784125352&w=2 >> >> the interrupts still don't seem to work, even with the patches above >> applied. >> >> Ming Lei doesn't seem to be replying to email anymore, so maybe somebody > > Sorry, I am on a trip now and no pandboard at my hand, so I may have > time to verify > the latest mainline next week after I return home. > > I remembered that last time I verified these patches on 3.2-rc2 and > 3.2-rc2 next tree, > and perf did work well on my pandaboard. > > Also seems there were reports that omap4 perf may not work on some specific > uboot version even with these patches. > >> else on linux-omap could please help us? I'm hoping that we're just missing >> some patches from somewhere, but it would be great if somebody could verify >> this (and indeed, verify that the interrupts we're registering in the thread >> above look sane). >> >>> OProfile userspace support for ARM Cortex-A9 was added by Will Deacon in June >>> 2010. This support is available in OProfile 0.9.7. According to Will's >>> posting, the kernel support was due to be added to Ubuntu Maverick, so I would >>> expect your version should support CA9 out of the box. If not already using >>> oprofile 0.9.7, please upgrade to that version and retry. If it still doesn't >>> work, please re-post with complete information (kernel version, oprofile command >>> output, and contents of /dev/oprofile/cpu_type). >> >> If with the latest OProfile, `timer mode' is still reported then you should >> check that you have CONFIG_HW_PERF_EVENTS enabled in your kernel. It still >> won't work though, because of the problems I mentioned above. > > If debug message from 'dmesg' can be provided, maybe we can find clue > about the problem. > > thanks, > -- > Ming Lei -- To unsubscribe from this list: send the line "unsubscribe linux-omap" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
