On Tue, 07 Aug 2012 11:04:10 +0800 Peiyong Feng <peiyong.feng.ker...@gmail.com> wrote:
> 2012/8/6 Lukasz Majewski <l.majew...@samsung.com>: > > Hi, > > > >> Hi, > >> > >> On Mon, Aug 06, 2012 at 06:12:05PM +0800, Peiyong Feng wrote: > >> > I got a kernel panic when try hsotg of ok6410 which is based on > >> > s3c6410: > > As you said, you are using the ok6410. And it is "based" on the > > s3c6410 CPU. S3C6410 is a single core CPU. I assume that ok6410 is > > also single core? > yes > > > >> > > >> > > >> > cdc_acm: USB Abstract Control Model driver for USB modems and > >> > ISDN adapters Unable to handle kernel NULL pointer dereference at > >> > virtual address 00000100 > > > >> > pgd = c0004000 > >> > [00000100] *pgd=00000000 > >> > Internal error: Oops: 5 [#1] ARM > >> > Modules linked in: > >> > CPU: 0 Not tainted (3.5.0 #9) > >> > PC is at s3c_hsotg_handle_outdone+0x44/0x158 > >> > LR is at s3c_hsotg_irq+0x75c/0x804 > >> > pc : [<c023e7fc>] lr : [<c024061c>] psr: 60000193 > >> > sp : c782fd20 ip : 00000029 fp : c13a1460 > >> > r10: 00000000 r9 : 00000008 r8 : 000000d0 > >> > r7 : c13a1400 r6 : 00000002 r5 : 00000000 r4 : 00060002 > >> > r3 : 000000d0 r2 : 00000000 r1 : 00080200 r0 : c13a1400 > >> > Flags: nZCv IRQs off FIQs on Mode SVC_32 ISA ARM Segment > >> > kernel Control: 00c5387d Table: 50004008 DAC: 00000017 > >> > Process swapper (pid: 1, stack limit = 0xc782e268) > >> > Stack: (0xc782fd20 to 0xc7830000) > >> > fd20: c13a1460 c0200f64 00000000 00060002 00000000 00000002 > >> > c13a1400 00000010 fd40: 00000000 c024061c 00060002 00000000 > >> > 00000002 00000008 c782fda0 c139a5c0 fd60: c139a5c0 00000000 > >> > 00000000 0000005a c04cc52c c04cc594 c04ea5fe c00565c0 fd80: > >> > 00000000 00000000 00000000 c04cc52c c139a5c0 c04cc57c 00000000 > >> > c04eb328 fda0: c04cc55c c04eb324 c04c44c0 c0056768 c04cc52c > >> > c04cc57c 00000000 c0058d64 fdc0: 0000005a c04d7dd8 00000000 > >> > c005617c 0000005a c000efbc c04eb350 00000001 fde0: c782fe08 > >> > c000853c c036c540 60000013 ffffffff c782fe3c c04cc57c c04cc55c > >> > fe00: 60000013 c000dd80 c04cc57c c782c000 ffffffff 00000001 > >> > 60000013 c04cc52c fe20: c139a5c0 0000005a c04cc57c c04cc55c > >> > 60000013 c04c44c0 f6010000 c782fe50 fe40: c036c53c c036c540 > >> > 60000013 ffffffff c023fec0 c00574c8 00000000 c008b2dc fe60: > >> > c023fec0 00000000 00000000 c13a1400 0000005a c139a5c0 c04cc52c > >> > c0057960 fe80: 0000005a c13a1400 c04c44b8 00000000 c051d238 > >> > c049b0ec 00000000 c03688fc fea0: c7853e60 c13a1400 c7804f80 > >> > 00000000 c04c44f4 60000013 c7855a80 00000000 fec0: c04e1bb4 > >> > c04c44c0 c04c44c0 c04e1bb4 c04e1bb4 c051d238 c049b0ec 00000000 > >> > fee0: c04eb040 c020588c c04c44c0 c0204524 c04c44c0 c04c44f4 > >> > c04e1bb4 c02046ac ff00: c13a01e0 c0204738 00000000 c782ff18 > >> > c04e1bb4 c0202e30 c7803878 c7823700 ff20: c04dd1d0 c040b8d4 > >> > c04e1bb4 c04e1bb4 c04dd1d0 c0203600 c040b8d4 c01b8568 ff40: > >> > 00000000 00000000 c04e1bb4 00000007 c04eb040 c782e000 c04a65e0 > >> > c0204ce8 ff60: 00000000 c04a65d4 00000007 c04eb040 c782e000 > >> > c0008628 c04c7ea0 00000000 ff80: 0000009c 00000000 c0625cf9 > >> > c0037178 00000006 00000006 c0461b84 c042cee8 ffa0: c04c7ea0 > >> > c04abdd4 c04a65d4 00000007 c04eb040 0000009c c04841b0 c04a65e0 > >> > ffc0: 00000000 c048430c 00000006 00000006 c04841b0 00000000 > >> > 00000000 c048421c ffe0: c000f08c 00000013 00000000 00000000 > >> > 00000000 c000f08c 00000000 00000000 [<c023e7fc>] > >> > (s3c_hsotg_handle_outdone+0x44/0x158) from [<c024061c>] > >> > (s3c_hsotg_irq+0x75c/0x804) [<c024061c>] > >> > (s3c_hsotg_irq+0x75c/0x804) from [<c00565c0>] > >> > (handle_irq_event_percpu+0x50/0x1bc) [<c00565c0>] > >> > (handle_irq_event_percpu+0x50/0x1bc) from [<c0056768>] > >> > (handle_irq_event+0x3c/0x5c) [<c0056768>] > >> > (handle_irq_event+0x3c/0x5c) from [<c0058d64>] > >> > (handle_level_irq+0x8c/0x118) [<c0058d64>] > >> > (handle_level_irq+0x8c/0x118) from [<c005617c>] > >> > (generic_handle_irq+0x38/0x44) [<c005617c>] > >> > (generic_handle_irq+0x38/0x44) from [<c000efbc>] > >> > (handle_IRQ+0x30/0x84) [<c000efbc>] (handle_IRQ+0x30/0x84) from > >> > [<c000853c>] (vic_handle_irq+0x68/0xa8) [<c000853c>] > >> > (vic_handle_irq+0x68/0xa8) from [<c000dd80>] > >> > (__irq_svc+0x40/0x60) Exception stack(0xc782fe08 to 0xc782fe50) > >> > fe00: c04cc57c c782c000 ffffffff 00000001 60000013 c04cc52c fe20: > >> > c139a5c0 0000005a c04cc57c c04cc55c 60000013 c04c44c0 f6010000 > >> > c782fe50 fe40: c036c53c c036c540 60000013 ffffffff [<c000dd80>] > >> > (__irq_svc+0x40/0x60) from [<c036c540>] > >> > (_raw_spin_unlock_irqrestore+0x10/0x14) [<c036c540>] > >> > (_raw_spin_unlock_irqrestore+0x10/0x14) from [<c00574c8>] > >> > (__setup_irq+0x178/0x3f8) [<c00574c8>] (__setup_irq+0x178/0x3f8) > >> > from [<c0057960>] (request_threaded_irq+0xc4/0x12c) [<c0057960>] > >> > (request_threaded_irq+0xc4/0x12c) from [<c03688fc>] > >> > (s3c_hsotg_probe+0x14c/0x700) [<c03688fc>] > >> > (s3c_hsotg_probe+0x14c/0x700) from [<c020588c>] > >> > (platform_drv_probe+0x18/0x1c) [<c020588c>] > >> > (platform_drv_probe+0x18/0x1c) from [<c0204524>] > >> > (driver_probe_device+0x78/0x200) [<c0204524>] > >> > (driver_probe_device+0x78/0x200) from [<c0204738>] > >> > (__driver_attach+0x8c/0x90) [<c0204738>] > >> > (__driver_attach+0x8c/0x90) from [<c0202e30>] > >> > (bus_for_each_dev+0x60/0x8c) [<c0202e30>] > >> > (bus_for_each_dev+0x60/0x8c) from [<c0203600>] > >> > (bus_add_driver+0xac/0x250) [<c0203600>] > >> > (bus_add_driver+0xac/0x250) from [<c0204ce8>] > >> > (driver_register+0x58/0x130) [<c0204ce8>] > >> > (driver_register+0x58/0x130) from [<c0008628>] > >> > (do_one_initcall+0x34/0x17c) [<c0008628>] > >> > (do_one_initcall+0x34/0x17c) from [<c048430c>] > >> > (kernel_init+0xf0/0x1bc) [<c048430c>] (kernel_init+0xf0/0x1bc) > >> > from [<c000f08c>] (kernel_thread_exit+0x0/0x8) Code: e0433106 > >> > e0833006 e1a03183 e0828003 (e5984030) ---[ end trace > >> > 2ea4e574318ecf99 ]--- Kernel panic - not syncing: Fatal > >> > exception in interrupt > >> > ----------------------------------------------------------------------------------- > >> > > >> > > >> > When I try locate the source using arm-linux-gdb, I got this: > >> > ------------------------------------------------------------- > >> > GNU gdb (Sourcery G++ Lite 2008q3-72) 6.8.50.20080821-cvs > >> > Copyright (C) 2008 Free Software Foundation, Inc. > >> > License GPLv3+: GNU GPL version 3 or later > >> > <http://gnu.org/licenses/gpl.html> This is free software: you are > >> > free to change and redistribute it. There is NO WARRANTY, to the > >> > extent permitted by law. Type "show copying" and "show warranty" > >> > for details. This GDB was configured as "--host=i686-pc-linux-gnu > >> > --target=arm-none-linux-gnueabi". > >> > For bug reporting instructions, please see: > >> > <https://support.codesourcery.com/GNUToolchain/>... > >> > (gdb) l *(s3c_hsotg_handle_outdone+0x44) > >> > 0xc023e7fc is in s3c_hsotg_handle_outdone > >> > (drivers/usb/gadget/s3c-hsotg.c:1553). 1548 static void > >> > s3c_hsotg_handle_outdone(struct s3c_hsotg *hsotg, > >> > 1549 int epnum, bool > >> > was_setup) 1550 { 1551 u32 epsize = > >> > readl(hsotg->regs + DOEPTSIZ(epnum)); 1552 struct > >> > s3c_hsotg_ep *hs_ep = &hsotg->eps[epnum]; 1553 > >> > struct s3c_hsotg_req *hs_req = hs_ep->req; 1554 > >> > struct usb_request *req = &hs_req->req; 1555 > >> > unsigned size_left = DxEPTSIZ_XferSize_GET(epsize); > >> > 1556 int result = 0; 1557 > >> > (gdb) > >> > > >> > > >> > > >> > I also try the old linux like 2.6.36, I works fine. > >> > >> Lukasz, any ideas ? > >> > > > > I see, that you are using 3.5.0 kernel. > > During the 3.5 kernel development cycle, I've discovered very nasty > > SMP related bug. It is fixed at 3.6-rc1 code. > > > > Relevant commits are: > > 22258f4 usb: hsotg: samsung: Replace endpoint specific locks with a > > global lock > > 2b19a52 usb: hsotg: samsung: Protect the udc_stop routine with > > spinlock 5ad1d31 usb: hsotg: samsung: smp Provide *_lock functions > > abstraction layer for SMP SoCs > > > > Above commits are already available at 3.6-rc1. > > > > Would it be possible to cross compile 3.6-rc1 kernel for your > > platform and test the USB? > > > > > > > > I'd like to ask you for #define DEBUG above includes (to enable > > dev_dbg()) calls at ./drivers/usb/gadget/s3c-hsotg.c file. Please enable the debug at s3c-hsotg.c driver and then paste the dmesg/debug output. > > > > Afterwards please, paste the log (dmesg) from booting your target > > device. > Still canot work, log: > Starting kernel ... > > Uncompressing Linux... done, booting the kernel. > Booting Linux on physical CPU 0 > Linux version 3.6.0-rc1-00133-g42a579a-dirty (root@xxxx) (gcc version > 4.3.2 (Sourcery G++ Lite 2008q3-72) ) 2 > CPU: ARMv6-compatible processor [410fb766] revision 6 (ARMv7), > cr=00c5387d CPU: PIPT / VIPT nonaliasing data cache, VIPT nonaliasing > instruction cache Machine: SMDK6410 > Memory policy: ECC disabled, Data cache writeback > CPU S3C6410 (id 0x36410101) > S3C24XX Clocks, Copyright 2004 Simtec Electronics > camera: no parent clock specified > S3C64XX: PLL settings, A=532000000, M=532000000, E=24000000 > S3C64XX: HCLK2=266000000, HCLK=133000000, PCLK=66500000 > mout_apll: source is fout_apll (1), rate is 532000000 > mout_epll: source is epll (1), rate is 24000000 > mout_mpll: source is mpll (1), rate is 532000000 > usb-bus-host: source is clk_48m (0), rate is 48000000 > audio-bus: source is mout_epll (0), rate is 24000000 > audio-bus: source is mout_epll (0), rate is 24000000 > audio-bus: source is mout_epll (0), rate is 24000000 > irda-bus: source is mout_epll (0), rate is 24000000 > camera: no parent clock specified > CPU: found DTCM0 8k @ 00000000, not enabled > CPU: moved DTCM0 8k to fffe8000, enabled > CPU: found DTCM1 8k @ 00000000, not enabled > CPU: moved DTCM1 8k to fffea000, enabled > CPU: found ITCM0 8k @ 00000000, not enabled > CPU: moved ITCM0 8k to fffe0000, enabled > CPU: found ITCM1 8k @ 00000000, not enabled > CPU: moved ITCM1 8k to fffe2000, enabled > Built 1 zonelists in Zone order, mobility grouping on. Total pages: > 32512 Kernel command line: console=ttySAC0,115200 root=/dev/ram > init=/linuxrc initrd=0x51000000,6M ramdisk_size=6144 > PID hash table entries: 512 (order: -1, 2048 bytes) > Dentry cache hash table entries: 16384 (order: 4, 65536 bytes) > Inode-cache hash table entries: 8192 (order: 3, 32768 bytes) > Memory: 128MB = 128MB total > Memory: 120316k/120316k available, 10756k reserved, 0K highmem > Virtual kernel memory layout: > vector : 0xffff0000 - 0xffff1000 ( 4 kB) > DTCM : 0xfffe8000 - 0xfffec000 ( 16 kB) > ITCM : 0xfffe0000 - 0xfffe4000 ( 16 kB) > fixmap : 0xfff00000 - 0xfffe0000 ( 896 kB) > vmalloc : 0xc8800000 - 0xff000000 ( 872 MB) > lowmem : 0xc0000000 - 0xc8000000 ( 128 MB) > modules : 0xbf000000 - 0xc0000000 ( 16 MB) > .text : 0xc0008000 - 0xc02d7a64 (2879 kB) > .init : 0xc02d8000 - 0xc02f662c ( 122 kB) > .data : 0xc02f8000 - 0xc0326420 ( 186 kB) > .bss : 0xc0327024 - 0xc0358858 ( 199 kB) > SLUB: Genslabs=13, HWalign=32, Order=0-3, MinObjects=0, CPUs=1, > Nodes=1 NR_IRQS:246 > VIC @f6000000: id 0x00041192, vendor 0x41 > VIC @f6010000: id 0x00041192, vendor 0x41 > sched_clock: 32 bits at 100 Hz, resolution 10000000ns, wraps every > 4294967286ms Console: colour dummy device 80x30 > Calibrating delay loop... 353.89 BogoMIPS (lpj=1769472) > pid_max: default: 32768 minimum: 301 > Mount-cache hash table entries: 512 > CPU: Testing write buffer coherency: ok > Setting up static identity map for 0x5021c868 - 0x5021c8c4 > NET: Registered protocol family 16 > DMA: preallocated 256 KiB pool for atomic coherent allocations > s3c64xx_dma_init: Registering DMA channels > PL080: IRQ 73, at c8846000, channels 0..8 > PL080: IRQ 74, at c8848000, channels 8..16 > S3C6410: Initialising architecture > bio: create slab <bio-0> at 0 > usbcore: registered new interface driver usbfs > usbcore: registered new interface driver hub > usbcore: registered new device driver usb > s3c-i2c s3c2440-i2c.0: slave address 0x10 > s3c-i2c s3c2440-i2c.0: bus frequency set to 64 KHz > s3c-i2c s3c2440-i2c.0: i2c-0: S3C I2C adapter > s3c-i2c s3c2440-i2c.1: slave address 0x10 > s3c-i2c s3c2440-i2c.1: bus frequency set to 64 KHz > s3c-i2c s3c2440-i2c.1: i2c-1: S3C I2C adapter > Trying to unpack rootfs image as initramfs... > rootfs image is not initramfs (junk in compressed archive); looks > like an initrd Freeing initrd memory: 6144K > ROMFS MTD (C) 2007 Red Hat, Inc. > io scheduler noop registered > io scheduler deadline registered > io scheduler cfq registered (default) > start plist test > end plist test > s3c-fb s3c-fb: window 0: fb > Serial: 8250/16550 driver, 4 ports, IRQ sharing disabled > s3c6400-uart.0: ttySAC0 at MMIO 0x7f005000 (irq = 69) is a S3C6400/10 > console [ttySAC0] enabled > s3c6400-uart.1: ttySAC1 at MMIO 0x7f005400 (irq = 70) is a S3C6400/10 > s3c6400-uart.2: ttySAC2 at MMIO 0x7f005800 (irq = 71) is a S3C6400/10 > s3c6400-uart.3: ttySAC3 at MMIO 0x7f005c00 (irq = 72) is a S3C6400/10 > brd: module loaded > loop: module loaded > at24 0-0050: 1024 byte 24c08 EEPROM, writable, 1 bytes/write > at24 1-0057: 16384 byte 24c128 EEPROM, writable, 1 bytes/write > S3C24XX NAND Driver, (c) 2004 Simtec Electronics > ohci_hcd: USB 1.1 'Open' Host Controller (OHCI) Driver > s3c2410-ohci s3c2410-ohci: S3C24XX OHCI > s3c2410-ohci s3c2410-ohci: new USB bus registered, assigned bus > number 1 s3c2410-ohci s3c2410-ohci: irq 79, io mem 0x74300000 ^^^^^^^^^^^^^^^^^^^^^^^ Here one IRQ for USB is registered. Please check if this not clash with s3c-hsotg (UDC) IRQ >From your code I can tell, that you want to have the USB host and device interfaces. > usb usb1: New USB device found, idVendor=1d6b, idProduct=0001 > usb usb1: New USB device strings: Mfr=3, Product=2, SerialNumber=1 > usb usb1: Product: S3C24XX OHCI > usb usb1: Manufacturer: Linux 3.6.0-rc1-00133-g42a579a-dirty ohci_hcd > usb usb1: SerialNumber: s3c24xx > hub 1-0:1.0: USB hub found > hub 1-0:1.0: 2 ports detected > Unable to handle kernel NULL pointer dereference at virtual address > 000000e0 pgd = c0004000 > [000000e0] *pgd=00000000 > Internal error: Oops: 5 [#1] ARM > Modules linked in: > CPU: 0 Not tainted (3.6.0-rc1-00133-g42a579a-dirty #19) > PC is at s3c_hsotg_handle_outdone+0x40/0xdc > LR is at s3c_hsotg_irq+0x5a0/0x5fc It is strange that no previous information about s3c-hsotg is in dmesg. The only one which appears is the null pointer dereference. > pc : [<c01a3408>] lr : [<c01a4eb8>] psr: 80000193 > sp : c782fd18 ip : 00000000 fp : c139301c > r10: 00000000 r9 : 00000008 r8 : 00000000 > r7 : c1393010 r6 : 000000b0 r5 : 00000002 r4 : c1392300 > r3 : 000000b0 r2 : 00000000 r1 : 00080200 r0 : c1393010 > Flags: Nzcv IRQs off FIQs on Mode SVC_32 ISA ARM Segment kernel > Control: 00c5387d Table: 50004008 DAC: 00000017 > Process swapper (pid: 1, stack limit = 0xc782e268) > Stack: (0xc782fd18 to 0xc7830000) > fd00: c1392300 > c1392300 fd20: 00000000 c1393010 00000010 c01a4eb8 c782fd84 c1393078 > 000012d0 c1392300 fd40: c1392300 00000000 00000000 0000005a c0310aec > c0310b54 c03263c1 c0056e44 fd60: c0325c8c 00000000 22222222 c0310aec > c1392300 c0310b3c 00000000 c0327328 fd80: c0310b1c c0327324 c0327040 > c0056fe4 c0310aec c0310b3c 00000000 c00595e8 fda0: 0000005a c0318d68 > 00000000 c0056a00 0000005a c000efdc c0327350 00000001 fdc0: c782fde8 > c0008508 c021c7c0 60000013 ffffffff c782fe1c c0310b3c c0310b1c fde0: > 60000013 c000dd80 c0310b3c c782c000 ffffffff 00000001 60000013 > c0310aec fe00: c1392300 0000005a c0310b3c c0310b1c 60000013 c0327040 > f6010000 c782fe30 fe20: c021c7bc c021c7c0 60000013 ffffffff c01a4918 > c0057d48 c138bc90 c008c344 fe40: c01a4918 00000000 00000000 c1393010 > 0000005a c1392300 c0310aec c00581e4 fe60: c138bcd0 00000000 c01a4918 > 0000005a c1393010 c02ede10 c0308998 c0059e00 fe80: c784fe60 c1393010 > c784fe60 0000005a c1393010 c0308990 c03229e8 c0308998 fea0: c02f1818 > c0218c7c 00000000 c784fe60 c1393010 00000000 c03089cc 60000013 fec0: > c7851940 00000000 c03229e8 c0308998 c0308998 c03229e8 c03229e8 > c0357938 fee0: c02ede10 c02f1818 c0327040 c016ba7c c0308998 c016a6f0 > c0308998 c03089cc ff00: c03229e8 c016a880 c782e000 c016a90c 00000000 > c782ff20 c03229e8 c0168fe8 ff20: c7803878 c7823ac0 c031e0c8 c02875cc > c138c480 c03229e8 c031e0c8 c01697b8 ff40: c02875cc c03229e8 00000007 > 00000000 c03229e8 00000007 c0327040 c016aebc ff60: 00000000 c02f180c > 00000007 c0327040 c782e000 c00085f0 c030c378 00000000 ff80: 00000053 > 00000000 c0459cf9 c00377dc 00000006 00000006 c02c1380 c02a0130 ffa0: > c030c378 c02f6380 c02f180c 00000007 c0327040 00000053 c02d81b0 > c02f1818 ffc0: 00000000 c02d830c 00000006 00000006 c02d81b0 00000000 > 00000000 c02d821c ffe0: c000f0ac 00000013 00000000 00000000 00000000 > c000f0ac 0002fbf7 00007fff [<c01a3408>] > (s3c_hsotg_handle_outdone+0x40/0xdc) from [<c01a4eb8>] > (s3c_hsotg_irq+0x5a0/0x5fc) [<c01a4eb8>] (s3c_hsotg_irq+0x5a0/0x5fc) > from [<c0056e44>] (handle_irq_event_percpu+0x50/0x1b4) [<c0056e44>] > (handle_irq_event_percpu+0x50/0x1b4) from [<c0056fe4>] > (handle_irq_event+0x3c/0x5c) [<c0056fe4>] > (handle_irq_event+0x3c/0x5c) from [<c00595e8>] > (handle_level_irq+0x8c/0x118) [<c00595e8>] > (handle_level_irq+0x8c/0x118) from [<c0056a00>] > (generic_handle_irq+0x38/0x44) [<c0056a00>] > (generic_handle_irq+0x38/0x44) from [<c000efdc>] > (handle_IRQ+0x30/0x84) [<c000efdc>] (handle_IRQ+0x30/0x84) from > [<c0008508>] (vic_handle_irq+0x68/0xa8) [<c0008508>] > (vic_handle_irq+0x68/0xa8) from [<c000dd80>] (__irq_svc+0x40/0x54) > Exception stack(0xc782fde8 to 0xc782fe30) fde0: > c0310b3c c782c000 ffffffff 00000001 60000013 c0310aec fe00: c1392300 > 0000005a c0310b3c c0310b1c 60000013 c0327040 f6010000 c782fe30 fe20: > c021c7bc c021c7c0 60000013 ffffffff [<c000dd80>] > (__irq_svc+0x40/0x54) from [<c021c7c0>] > (_raw_spin_unlock_irqrestore+0x10/0x14) [<c021c7c0>] > (_raw_spin_unlock_irqrestore+0x10/0x14) from [<c0057d48>] > (__setup_irq+0x184/0x408) [<c0057d48>] (__setup_irq+0x184/0x408) from > [<c00581e4>] (request_threaded_irq+0xc4/0x12c) [<c00581e4>] > (request_threaded_irq+0xc4/0x12c) from [<c0059e00>] > (devm_request_threaded_irq+0x58/0x8c) [<c0059e00>] > (devm_request_threaded_irq+0x58/0x8c) from [<c0218c7c>] > (s3c_hsotg_probe+0xdc/0x5c0) [<c0218c7c>] > (s3c_hsotg_probe+0xdc/0x5c0) from [<c016ba7c>] > (platform_drv_probe+0x18/0x1c) [<c016ba7c>] > (platform_drv_probe+0x18/0x1c) from [<c016a6f0>] > (driver_probe_device+0x78/0x208) [<c016a6f0>] > (driver_probe_device+0x78/0x208) from [<c016a90c>] > (__driver_attach+0x8c/0x90) [<c016a90c>] (__driver_attach+0x8c/0x90) > from [<c0168fe8>] (bus_for_each_dev+0x60/0x8c) [<c0168fe8>] > (bus_for_each_dev+0x60/0x8c) from [<c01697b8>] > (bus_add_driver+0xac/0x248) [<c01697b8>] (bus_add_driver+0xac/0x248) > from [<c016aebc>] (driver_register+0x58/0x14c) > [<c016aebc>] (driver_register+0x58/0x14c) from [<c00085f0>] > (do_one_initcall+0x34/0x17c) > [<c00085f0>] (do_one_initcall+0x34/0x17c) from [<c02d830c>] > (kernel_init+0xf0/0x1bc) > [<c02d830c>] (kernel_init+0xf0/0x1bc) from [<c000f0ac>] > (kernel_thread_exit+0x0/0x8) > Code: e0433105 e0653003 e1a03183 e0826003 (e5964030) > ---[ end trace 91f15b573a676870 ]--- > Kernel panic - not syncing: Fatal exception in interrupt > -- Best regards, Lukasz Majewski Samsung Poland R&D Center | Linux Platform Group -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majord...@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/