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Message-ID: <20100524222033.12b25f2a@tom-lei>
Date: Mon, 24 May 2010 22:20:33 +0800
From: Ming Lei <tom.leiming@...il.com>
To: Russell King - ARM Linux <linux@....linux.org.uk>
Cc: linux-kernel@...r.kernel.org, linux-embedded@...r.kernel.org,
linux-arm-kernel@...ts.infradead.org, a.p.zijlstra@...llo.nl
Subject: Re: [RESEND PATCH] ARM: fix 'unannotated irqs-on' lockdep warning
On Mon, 24 May 2010 11:14:16 +0100
Russell King - ARM Linux <linux@....linux.org.uk> 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@...-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@...P3EVM /]#
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