On Mon, 24 May 2010 11:14:16 +0100 Russell King - ARM Linux <linux@xxxxxxxxxxxxxxxx> wrote: > Right, I see what the problem is now - it's all to do with threads > created with kernel_thread() confusing lockdep. > > I'm of the opinion that all your changes in entry*.S are the wrong > way to fix this - not only does it add additional overhead where > none is really necessary, it adds additional complexity. > > So, here's a patch to solve the warning you quoted. No, your patch does not fix the issue, I still can see the lockdep warning after applying it against Linux 2.6.34-next-20100524. Follows the dmesg info: Texas Instruments X-Loader 1.4.4ss (Apr 13 2010 - 22:36:28) Beagle Rev C4 Reading boot sector Loading u-boot.bin from mmc U-Boot 2010.03 (May 04 2010 - 08:48:31) OMAP3530-GP ES3.1, CPU-OPP2, L3-165MHz, Max clock-720Mhz OMAP3 Beagle board + LPDDR/NAND I2C: ready DRAM: 256 MB NAND: 256 MiB In: serial Out: serial Err: serial Probing for expansion boards, if none are connected you'll see a harmless I2C error. timed out in wait_for_pin: I2C_STAT=0 I2C read: I/O error Unrecognized expansion board: 0 Beagle Rev C4 Die ID #16c00004000000000403730515017007 Hit any key to stop autoboot: 3 2 1 0 OMAP3 beagleboard.org # prit ntenv baudrate=115200 loadaddr=0x80200000 rdaddr=0x81600000 console=ttyS2,115200n8 optargs= mmcargs=setenv bootargs console=${console} ${optargs} root=/dev/mmcblk0p2 rw rootfstype=ext3 rootwait ramargs=setenv bootargs console=${console} ${optargs} root=/dev/ram0 rw ramdisk_size=32768 initrd=${rdaddr},32M ubifsargs=setenv bootargs console=${console} ${optargs} root=ubi0:beagleroot ubi.mtd=4 rw rootfstype=ubifs jffs2args=setenv bootargs console=${console} ${optargs} root=/dev/mtdblock4 rw rootfstype=jffs2 loadbootscript=fatload mmc 0 ${loadaddr} boot.scr bootscript=echo Running bootscript from mmc ...; autoscr ${loadaddr} loadramdisk=fatload mmc 0 ${rdaddr} ramdisk.gz ramboot=echo Booting from ramdisk.gz ...; run ramargs; bootm ${loadaddr} mmcboot=echo Booting from mmc ...; run mmcargs; bootm ${loadaddr} nandboot=echo Booting from nand ...; run jffs2args; nand read ${loadaddr} 280000 400000; bootm ${loadaddr} usbtty=cdc_acm stdout=serial,usbtty stdin=serial,usbtty stderr=serial,usbtty serial=16c00004000000000403730515017007 dieid#=16c00004000000000403730515017007 restore_c41=mmc init;fatload mmc 0 82000000 MLO;nand unlock;nandecc hw;nand erase 0 80000;nand write 82000000 0 20000;nand write 82000000 20000 20000;nand write 82000000 40000 20000;nand write 82000000 60000 20000 restore_c42=fatload mmc 0 0x80200000 u-boot.bin;nand unlock;nandecc sw;nand erase 80000 160000;nand write 0x80200000 80000 160000 mtdids=nand0=nand bootcmd=mmc init;run loaduimage;run mmcboot restore_fac=if mmc init; then if run loadbootscript; then run bootscript; else if run loaduimage; then if run loadramdisk;then run ramboot; else run mmcboot; fi; else run nandboot; fi; fi; else run nandboot; fi loaduimage=fatload mmc 0 ${loadaddr} uImage bootdelay=3 buddy=unknown mpurate=720 Environment size: 1771/131068 bytes OMAP3 beagleboard.org # setenv loaduimage 'fatload mmc 0 ${loadaddr} uImage-next' OMAP3 beagleboard.org # run bootcmd mmc1 is available reading uImage-next 2707936 bytes read Booting from mmc ... ## Booting kernel from Legacy Image at 80200000 ... Image Name: Linux-2.6.34-next-20100524+ Image Type: ARM Linux Kernel Image (uncompressed) Data Size: 2707872 Bytes = 2.6 MB Load Address: 80008000 Entry Point: 80008000 Verifying Checksum ... OK Loading Kernel Image ... OK OK Starting kernel ... Uncompressing Linux... done, booting the kernel. [ 0.000000] Linux version 2.6.34-next-20100524+ (tom@tom-lei) (gcc version 4.3.3 (Sourcery G++ Lite 2009q1-203) ) #56 PREEMPT Mon May 24 21:56:03 CST 2010 [ 0.000000] CPU: ARMv7 Processor [411fc083] revision 3 (ARMv7), cr=10c53c7f [ 0.000000] CPU: VIPT nonaliasing data cache, VIPT nonaliasing instruction cache [ 0.000000] Machine: OMAP3 Beagle Board [ 0.000000] Memory policy: ECC disabled, Data cache writeback [ 0.000000] OMAP3430/3530 ES3.1 (l2cache iva sgx neon isp ) [ 0.000000] SRAM: Mapped pa 0x40200000 to va 0xfe400000 size: 0x100000 [ 0.000000] Built 1 zonelists in Zone order, mobility grouping on. Total pages: 65024 [ 0.000000] Kernel command line: console=ttyS2,115200n8 root=/dev/mmcblk0p2 rw rootfstype=ext3 rootwait [ 0.000000] PID hash table entries: 1024 (order: 0, 4096 bytes) [ 0.000000] Dentry cache hash table entries: 32768 (order: 5, 131072 bytes) [ 0.000000] Inode-cache hash table entries: 16384 (order: 4, 65536 bytes) [ 0.000000] Memory: 128MB 128MB = 256MB total [ 0.000000] Memory: 245020k/245020k available, 17124k reserved, 0K highmem [ 0.000000] Virtual kernel memory layout: [ 0.000000] vector : 0xffff0000 - 0xffff1000 ( 4 kB) [ 0.000000] fixmap : 0xfff00000 - 0xfffe0000 ( 896 kB) [ 0.000000] DMA : 0xffc00000 - 0xffe00000 ( 2 MB) [ 0.000000] vmalloc : 0xd0800000 - 0xf8000000 ( 632 MB) [ 0.000000] lowmem : 0xc0000000 - 0xd0000000 ( 256 MB) [ 0.000000] modules : 0xbf000000 - 0xc0000000 ( 16 MB) [ 0.000000] .init : 0xc0008000 - 0xc0039000 ( 196 kB) [ 0.000000] .text : 0xc0039000 - 0xc050d000 (4944 kB) [ 0.000000] .data : 0xc0564000 - 0xc0717ab0 (1743 kB) [ 0.000000] Hierarchical RCU implementation. [ 0.000000] Verbose stalled-CPUs detection is disabled. [ 0.000000] NR_IRQS:402 [ 0.000000] Clocking rate (Crystal/Core/MPU): 26.0/332/500 MHz [ 0.000000] omap_hwmod: l3_hwmod: cannot be enabled (3) [ 0.000000] omap_hwmod: l4_core_hwmod: cannot be enabled (3) [ 0.000000] omap_hwmod: l4_per_hwmod: cannot be enabled (3) [ 0.000000] omap_hwmod: l4_wkup_hwmod: cannot be enabled (3) [ 0.000000] Reprogramming SDRC clock to 332000000 Hz [ 0.000000] GPMC revision 5.0 [ 0.000000] IRQ: Found an INTC at 0xfa200000 (revision 4.0) with 96 interrupts [ 0.000000] Total of 96 interrupts on 1 active controller [ 0.000000] OMAP GPIO hardware version 2.5 [ 0.000000] OMAP clockevent source: GPTIMER12 at 32768 Hz [ 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: 3951 kB [ 0.000000] per task-struct memory footprint: 2304 bytes [ 0.000000] ------------------------ [ 0.000000] | Locking API testsuite: [ 0.000000] ---------------------------------------------------------------------------- [ 0.000000] | spin |wlock |rlock |mutex | wsem | rsem | [ 0.000000] -------------------------------------------------------------------------- [ 0.000000] A-A deadlock: ok | ok | ok | ok | ok | ok | [ 0.000000] A-B-B-A deadlock: ok | ok | ok | ok | ok | ok | [ 0.000000] A-B-B-C-C-A deadlock: ok | ok | ok | ok | ok | ok | [ 0.000000] A-B-C-A-B-C deadlock: ok | ok | ok | ok | ok | ok | [ 0.000000] A-B-B-C-C-D-D-A deadlock: ok | ok | ok | ok | ok | ok | [ 0.000000] A-B-C-D-B-D-D-A deadlock: ok | ok | ok | ok | ok | ok | [ 0.000000] A-B-C-D-B-C-D-A deadlock: ok | ok | ok | ok | ok | ok | [ 0.000000] double unlock: ok | ok | ok | ok | ok | ok | [ 0.000000] initialize held: ok | ok | ok | ok | ok | ok | [ 0.000000] bad unlock order: ok | ok | ok | ok | ok | ok | [ 0.000000] -------------------------------------------------------------------------- [ 0.000000] recursive read-lock: | ok | | ok | [ 0.000000] recursive read-lock #2: | ok | | ok | [ 0.000000] mixed read-write-lock: | ok | | ok | [ 0.000000] mixed write-read-lock: | ok | | ok | [ 0.000000] -------------------------------------------------------------------------- [ 0.000000] hard-irqs-on + irq-safe-A/12: ok | ok | ok | [ 0.000000] soft-irqs-on + irq-safe-A/12: ok | ok | ok | [ 0.000000] hard-irqs-on + irq-safe-A/21: ok | ok | ok | [ 0.000000] soft-irqs-on + irq-safe-A/21: ok | ok | ok | [ 0.000000] sirq-safe-A => hirqs-on/12: ok | ok | ok | [ 0.000000] sirq-safe-A => hirqs-on/21: ok | ok | ok | [ 0.000000] hard-safe-A + irqs-on/12: ok | ok | ok | [ 0.000000] soft-safe-A + irqs-on/12: ok | ok | ok | [ 0.000000] hard-safe-A + irqs-on/21: ok | ok | ok | [ 0.000000] soft-safe-A + irqs-on/21: ok | ok | ok | [ 0.000000] hard-safe-A + unsafe-B #1/123: ok | ok | ok | [ 0.000000] soft-safe-A + unsafe-B #1/123: ok | ok | ok | [ 0.000000] hard-safe-A + unsafe-B #1/132: ok | ok | ok | [ 0.000000] soft-safe-A + unsafe-B #1/132: ok | ok | ok | [ 0.000000] hard-safe-A + unsafe-B #1/213: ok | ok | ok | [ 0.000000] soft-safe-A + unsafe-B #1/213: ok | ok | ok | [ 0.000000] hard-safe-A + unsafe-B #1/231: ok | ok | ok | [ 0.000000] soft-safe-A + unsafe-B #1/231: ok | ok | ok | [ 0.000000] hard-safe-A + unsafe-B #1/312: ok | ok | ok | [ 0.000000] soft-safe-A + unsafe-B #1/312: ok | ok | ok | [ 0.000000] hard-safe-A + unsafe-B #1/321: ok | ok | ok | [ 0.000000] soft-safe-A + unsafe-B #1/321: ok | ok | ok | [ 0.000000] hard-safe-A + unsafe-B #2/123: ok | ok | ok | [ 0.000000] soft-safe-A + unsafe-B #2/123: ok | ok | ok | [ 0.000000] hard-safe-A + unsafe-B #2/132: ok | ok | ok | [ 0.000000] soft-safe-A + unsafe-B #2/132: ok | ok | ok | [ 0.000000] hard-safe-A + unsafe-B #2/213: ok | ok | ok | [ 0.000000] soft-safe-A + unsafe-B #2/213: ok | ok | ok | [ 0.000000] hard-safe-A + unsafe-B #2/231: ok | ok | ok | [ 0.000000] soft-safe-A + unsafe-B #2/231: ok | ok | ok | [ 0.000000] hard-safe-A + unsafe-B #2/312: ok | ok | ok | [ 0.000000] soft-safe-A + unsafe-B #2/312: ok | ok | ok | [ 0.000000] hard-safe-A + unsafe-B #2/321: ok | ok | ok | [ 0.000000] soft-safe-A + unsafe-B #2/321: ok | ok | ok | [ 0.000000] hard-irq lock-inversion/123: ok | ok | ok | [ 0.000000] soft-irq lock-inversion/123: ok | ok | ok | [ 0.000000] hard-irq lock-inversion/132: ok | ok | ok | [ 0.000000] soft-irq lock-inversion/132: ok | ok | ok | [ 0.000000] hard-irq lock-inversion/213: ok | ok | ok | [ 0.000000] soft-irq lock-inversion/213: ok | ok | ok | [ 0.000000] hard-irq lock-inversion/231: ok | ok | ok | [ 0.000000] soft-irq lock-inversion/231: ok | ok | ok | [ 0.000000] hard-irq lock-inversion/312: ok | ok | ok | [ 0.000000] soft-irq lock-inversion/312: ok | ok | ok | [ 0.000000] hard-irq lock-inversion/321: ok | ok | ok | [ 0.000000] soft-irq lock-inversion/321: ok | ok | ok | [ 0.000000] hard-irq read-recursion/123: ok | [ 0.000000] soft-irq read-recursion/123: ok | [ 0.000000] hard-irq read-recursion/132: ok | [ 0.000000] soft-irq read-recursion/132: ok | [ 0.000000] hard-irq read-recursion/213: ok | [ 0.000000] soft-irq read-recursion/213: ok | [ 0.000000] hard-irq read-recursion/231: ok | [ 0.000000] soft-irq read-recursion/231: ok | [ 0.000000] hard-irq read-recursion/312: ok | [ 0.000000] soft-irq read-recursion/312: ok | [ 0.000000] hard-irq read-recursion/321: ok | [ 0.000000] soft-irq read-recursion/321: ok | [ 0.000000] ------------------------------------------------------- [ 0.000000] Good, all 218 testcases passed! | [ 0.000000] --------------------------------- [ 0.000000] Calibrating delay loop... 497.82 BogoMIPS (lpj=1941504) [ 0.000000] Mount-cache hash table entries: 512 [ 0.000000] CPU: Testing write buffer coherency: ok [ 0.000000] devtmpfs: initialized [ 0.000000] regulator: core version 0.5 [ 0.000000] NET: Registered protocol family 16 [ 0.000000] Found NAND on CS0 [ 0.000000] Registering NAND on CS0 [ 0.000000] Unable to get DVI reset GPIO [ 0.000000] hw perfevents: enabled with ARMv7 Cortex-A8 PMU driver, 5 counters available [ 0.000274] OMAP DMA hardware revision 4.0 [ 0.415679] bio: create slab <bio-0> at 0 [ 0.469024] SCSI subsystem initialized [ 0.482971] usbcore: registered new interface driver usbfs [ 0.490814] usbcore: registered new interface driver hub [ 0.495025] usbcore: registered new device driver usb [ 0.505828] i2c_omap i2c_omap.1: bus 1 rev3.12 at 2600 kHz [ 0.552673] twl4030: PIH (irq 7) chaining IRQs 368..375 [ 0.553161] twl4030: power (irq 373) chaining IRQs 376..383 [ 0.561676] twl4030: gpio (irq 368) chaining IRQs 384..401 [ 0.588470] regulator: VUSB1V5: 1500 mV normal standby [ 0.602264] regulator: VUSB1V8: 1800 mV normal standby [ 0.615051] regulator: VUSB3V1: 3100 mV normal standby [ 0.644683] twl4030_usb twl4030_usb: Initialized TWL4030 USB module [ 0.662658] regulator: VMMC1: 1850 <--> 3150 mV at 3000 mV normal standby [ 0.675537] regulator: VDAC: 1800 mV normal standby [ 0.689483] regulator: VDVI: 1800 mV normal standby [ 0.706085] regulator: VSIM: 1800 <--> 3000 mV at 1800 mV normal standby [ 0.709747] i2c_omap i2c_omap.3: bus 3 rev3.12 at 100 kHz [ 0.736755] Advanced Linux Sound Architecture Driver Version 1.0.23. [ 0.757629] Switching to clocksource 32k_counter [ 1.133636] musb_hdrc: version 6.0, musb-dma, otg (peripheral+host), debug=0 [ 1.139038] musb_hdrc musb_hdrc: USB OTG mode controller at fa0ab000 using DMA, IRQ 92 [ 1.147277] NET: Registered protocol family 2 [ 1.150573] IP route cache hash table entries: 2048 (order: 1, 8192 bytes) [ 1.159820] TCP established hash table entries: 8192 (order: 4, 65536 bytes) [ 1.160766] TCP bind hash table entries: 8192 (order: 6, 327680 bytes) [ 1.169006] TCP: Hash tables configured (established 8192 bind 8192) [ 1.169189] TCP reno registered [ 1.169311] UDP hash table entries: 128 (order: 1, 12288 bytes) [ 1.170135] UDP-Lite hash table entries: 128 (order: 1, 12288 bytes) [ 1.175537] NET: Registered protocol family 1 [ 1.183532] RPC: Registered udp transport module. [ 1.183563] RPC: Registered tcp transport module. [ 1.183624] RPC: Registered tcp NFSv4.1 backchannel transport module. [ 1.196899] PMU: registered new PMU device of type 0 [ 1.200012] NetWinder Floating Point Emulator V0.97 (double precision) [ 1.231811] VFS: Disk quotas dquot_6.5.2 [ 1.232421] Dquot-cache hash table entries: 1024 (order 0, 4096 bytes) [ 1.256347] JFFS2 version 2.2. (NAND) © 2001-2006 Red Hat, Inc. [ 1.261993] msgmni has been set to 478 [ 1.278167] alg: No test for stdrng (krng) [ 1.279144] io scheduler noop registered [ 1.279174] io scheduler deadline registered [ 1.280242] io scheduler cfq registered (default) [ 1.352478] OMAP DSS rev 2.0 [ 1.353668] OMAP DISPC rev 3.0 [ 1.354309] OMAP VENC rev 2 [ 1.954925] Serial: 8250/16550 driver, 4 ports, IRQ sharing enabled [ 2.023956] serial8250.0: ttyS0 at MMIO 0x4806a000 (irq = 72) is a ST16654 [ 2.058380] serial8250.1: ttyS1 at MMIO 0x4806c000 (irq = 73) is a ST16654 [ 2.093322] serial8250.2: ttyS2 at MMIO 0x49020000 (irq = 74) is a ST16654 [ 3.225219] console [ttyS2] enabled [ 3.494750] brd: module loaded [ 3.627441] loop: module loaded [ 3.684173] ehci_hcd: USB 2.0 'Enhanced' Host Controller (EHCI) Driver [ 3.692993] ehci-omap ehci-omap.0: OMAP-EHCI Host Controller [ 3.715576] ehci-omap ehci-omap.0: new USB bus registered, assigned bus number 1 [ 3.726104] ehci-omap ehci-omap.0: irq 77, io mem 0x48064800 [ 3.742553] ehci-omap ehci-omap.0: USB 2.0 started, EHCI 1.00 [ 3.753845] usb usb1: New USB device found, idVendor=1d6b, idProduct=0002 [ 3.760864] usb usb1: New USB device strings: Mfr=3, Product=2, SerialNumber=1 [ 3.768249] usb usb1: Product: OMAP-EHCI Host Controller [ 3.773742] usb usb1: Manufacturer: Linux 2.6.34-next-20100524+ ehci_hcd [ 3.780517] usb usb1: SerialNumber: ehci-omap.0 [ 3.811676] hub 1-0:1.0: USB hub found [ 3.817016] hub 1-0:1.0: 3 ports detected [ 3.870391] i2c /dev entries driver [ 3.901184] IR NEC protocol handler initialized [ 3.905792] IR RC5(x) protocol handler initialized [ 3.911102] IR RC6 protocol handler initialized [ 3.915832] IR JVC protocol handler initialized [ 3.920410] IR Sony protocol handler initialized [ 3.925659] Linux video capture interface: v2.00 [ 3.939971] cpuidle: using governor ladder [ 3.944122] cpuidle: using governor menu [ 4.089355] No device for DAI omap-mcbsp-dai-0 [ 4.094024] No device for DAI omap-mcbsp-dai-1 [ 4.098541] No device for DAI omap-mcbsp-dai-2 [ 4.103179] No device for DAI omap-mcbsp-dai-3 [ 4.107666] No device for DAI omap-mcbsp-dai-4 [ 4.112335] OMAP3 Beagle/Devkit8000 SoC init [ 4.133605] asoc: twl4030 <-> omap-mcbsp-dai-0 mapping ok [ 4.237731] ALSA device list: [ 4.240722] #0: omap3beagle (twl4030) [ 4.246368] TCP cubic registered [ 4.249664] NET: Registered protocol family 17 [ 4.256347] NET: Registered protocol family 15 [ 4.263702] Power Management for TI OMAP3. [ 4.518066] VFP support v0.3: implementor 41 architecture 3 part 30 variant c rev 1 [ 4.527282] mmc0: new SD card at address 0001 [ 4.546081] mmcblk0: mmc0:0001 064MB 118 MiB [ 4.559875] mmcblk0: [ 4.569396] p1 p2 [ 4.609100] kmemleak: Kernel memory leak detector initialized [ 4.616729] omapfb omapfb: no driver for display [ 4.621643] omapfb omapfb: failed to setup omapfb [ 4.628204] kmemleak: Automatic memory scanning thread started [ 4.654388] regulator_init_complete: incomplete constraints, leaving VDVI on [ 4.662261] regulator_init_complete: incomplete constraints, leaving VDAC on [ 4.670959] drivers/rtc/hctosys.c: unable to open rtc device (rtc0) [ 4.715393] EXT3-fs: barriers not enabled [ 4.932281] EXT3-fs (mmcblk0p2): warning: mounting unchecked fs, running e2fsck is recommended [ 4.941253] kjournald starting. Commit interval 5 seconds [ 4.956970] EXT3-fs (mmcblk0p2): using internal journal [ 4.962463] EXT3-fs (mmcblk0p2): recovery complete [ 4.978637] EXT3-fs (mmcblk0p2): mounted filesystem with writeback data mode [ 4.986999] VFS: Mounted root (ext3 filesystem) on device 179:2. [ 5.001312] devtmpfs: mounted [ 5.004943] Freeing init memory: 196K [ 5.093475] ------------[ cut here ]------------ [ 5.098205] WARNING: at kernel/lockdep.c:3163 check_flags+0xcc/0x1dc() [ 5.104766] Modules linked in: [ 5.107910] [<c0040130>] (unwind_backtrace+0x0/0xf8) from [<c03d29cc>] (dump_stack+0x20/0x24) [ 5.116546] [<c03d29cc>] (dump_stack+0x20/0x24) from [<c006fce0>] (warn_slowpath_common+0x5c/0x74) [ 5.125579] [<c006fce0>] (warn_slowpath_common+0x5c/0x74) from [<c006fd24>] (warn_slowpath_null+0x2c/0x34) [ 5.135314] [<c006fd24>] (warn_slowpath_null+0x2c/0x34) from [<c009e840>] (check_flags+0xcc/0x1dc) [ 5.144378] [<c009e840>] (check_flags+0xcc/0x1dc) from [<c00a0b80>] (lockdep_trace_alloc+0x3c/0xfc) [ 5.153503] [<c00a0b80>] (lockdep_trace_alloc+0x3c/0xfc) from [<c0103d98>] (__kmalloc+0x6c/0x1fc) [ 5.162475] [<c0103d98>] (__kmalloc+0x6c/0x1fc) from [<c014a8d8>] (load_elf_binary+0x8cc/0x125c) [ 5.171356] [<c014a8d8>] (load_elf_binary+0x8cc/0x125c) from [<c010e03c>] (search_binary_handler+0x168/0x35c) [ 5.181365] [<c010e03c>] (search_binary_handler+0x168/0x35c) from [<c010f654>] (do_execve+0x224/0x320) [ 5.190765] [<c010f654>] (do_execve+0x224/0x320) from [<c003d7d4>] (kernel_execve+0x48/0x90) [ 5.199279] [<c003d7d4>] (kernel_execve+0x48/0x90) from [<c0039588>] (run_init_process+0x24/0x2c) [ 5.208251] [<c0039588>] (run_init_process+0x24/0x2c) from [<c003962c>] (init_post+0x9c/0xe4) [ 5.216857] [<c003962c>] (init_post+0x9c/0xe4) from [<c0008684>] (kernel_init+0x128/0x168) [ 5.225189] [<c0008684>] (kernel_init+0x128/0x168) from [<c003b10c>] (kernel_thread_exit+0x0/0x8) [ 5.234130] ---[ end trace b9d526d4d7022271 ]--- [ 5.238800] possible reason: unannotated irqs-on. [ 5.243530] irq event stamp: 340905 [ 5.247070] hardirqs last enabled at (340904): [<c03d67b0>] _raw_spin_unlock_irqrestore+0x4c/0x78 [ 5.256134] hardirqs last disabled at (340905): [<c0039b24>] __dabt_svc+0x64/0x80 [ 5.263702] softirqs last enabled at (340499): [<c0076da8>] __do_softirq+0x218/0x234 [ 5.271606] softirqs last disabled at (340466): [<c0076e2c>] irq_exit+0x68/0xbc init started: BusyBox v1.9.0 (2008-02-26 15:40:22 IST) starting pid 429, tty '': '/etc/init.d/rcS' OMAP3EVM (v0.90) : System initialization... Kernel release : Linux 2.6.34-next-20100524+ Kernel version : #56 PREEMPT Mon May 24 21:56:03 CST 2010 Mounting /proc : [SUCCESS] Mounting /sys : [SUCCESS] Mounting /dev/pts : [SUCCESS] Enabling hot-plug : [SUCCESS] Populating /dev : mkdir: cannot create directory '/dev/snd': File exists [ 6.570556] hub 1-0:1.0: __pm_runtime_suspend() from workqueue! [ 6.576568] hub 1-0:1.0: __pm_runtime_suspend() returns 0! [ 6.593933] usb usb1: __pm_runtime_suspend()! [ 6.598907] usb usb1: __pm_runtime_suspend() returns 0! [SUCCESS] Mounting other filesystems : [SUCCESS] Starting syslogd : Jan 1 00:00:10 OMAP3EVM syslog.info syslogd started: BusyBox v1.9.0 [SUCCESS] Starting telnetd : [SUCCESS] System initialization complete. Please press Enter to activate this console. starting pid 452, tty '': '/bin/sh' Setting shell environment ... - Path - Aliases - Touchscreen Done! [root@OMAP3EVM /]# -- To unsubscribe from this list: send the line "unsubscribe linux-embedded" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html