Return-Path: <linux-kernel-owner@vger.kernel.org>
Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand
	id S1753810Ab2HGJe0 (ORCPT <rfc822;w@1wt.eu>);
	Tue, 7 Aug 2012 05:34:26 -0400
Received: from mailout4.samsung.com ([203.254.224.34]:15857 "EHLO
	mailout4.samsung.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org
	with ESMTP id S1752843Ab2HGJeW convert rfc822-to-8bit (ORCPT
	<rfc822;linux-kernel@vger.kernel.org>);
	Tue, 7 Aug 2012 05:34:22 -0400
X-AuditID: cbfee61a-b7f616d000004b7e-f7-5020e11ca211
Date: Tue, 07 Aug 2012 11:34:15 +0200
From: Lukasz Majewski <l.majewski@samsung.com>
To: Peiyong Feng <peiyong.feng.kernel@gmail.com>
Cc: balbi@ti.com, linux-usb@vger.kernel.org, linux-kernel@vger.kernel.org
Subject: Re: [BUG] Kernel panic when try s3c-hsotg.c with kernel 3.5
Message-id: <20120807113416.57b03f4f@amdc308.digital.local>
In-reply-to: <CAN_1RdsFh5-xZ7ijL-Cwf4cDzWYthFfMOM7dPdRUub2rQ_RMDw@mail.gmail.com>
References: <CAN_1RdsTX5ZGSx7T6X0t70Q6k5_M1zgizL-KzPYrnHOnZ_nfSg@mail.gmail.com>
 <20120806101200.GJ17551@arwen.pp.htv.fi>
 <20120806151436.4761cd4d@amdc308.digital.local>
 <CAN_1RdsFh5-xZ7ijL-Cwf4cDzWYthFfMOM7dPdRUub2rQ_RMDw@mail.gmail.com>
Organization: SPRC Poland
X-Mailer: Claws Mail 3.7.6 (GTK+ 2.20.1; x86_64-pc-linux-gnu)
MIME-version: 1.0
Content-type: text/plain; charset=US-ASCII
Content-transfer-encoding: 8BIT
X-Brightmail-Tracker: H4sIAAAAAAAAA+NgFtrLLMWRmVeSWpSXmKPExsVy+t9jQV3ZhwoBBncOMllc3jWHzWLRslZm
	ByaPz5vkAhijuGxSUnMyy1KL9O0SuDIaZl1nKrgyl7Hi4pzoBsY1TYxdjJwcEgImEsdmrIay
	xSQu3FvP1sXIxSEkMJ1RounUFFYIp51JYsqnV2wgVSwCqhJHvl4A62AT0JP4fPcpE4gtImAg
	sf7rUnYQm1nAU+Ly7sNgNcICLhLblhwD6+UVsJZo2bIcLM4pECwx7dFRJogF3xgl+na8AxvE
	LyAp0f7vBzPESbYSc3+9YYFoFpT4MfkeC8QCLYnN25pYIWxtiSfvLrBOYBSchaRsFpKyWUjK
	FjAyr2IUTS1ILihOSs811CtOzC0uzUvXS87P3cQIDtRnUjsYVzZYHGIU4GBU4uGdIKsQIMSa
	WFZcmXuIUYKDWUmE9/BOoBBvSmJlVWpRfnxRaU5q8SFGaQ4WJXFeY++v/kIC6YklqdmpqQWp
	RTBZJg5OqQZGjhI38bjmwjbLa0+v+wqtKbp6T4XPc8sp4Z3nDVdGyH0+o1zRszH89tVYcafu
	4qeTxF/KZpyY4Hf07TWrI0du7Jvp+XntjTcTLn5J+7O6o0O5PYWXU2y1ivDB/Pw7u6dv1WwM
	m7bqoc4J96URnnwR7kXZAaI7vIIjzFyNFlkZdMq5/dkx18xdiaU4I9FQi7moOBEA4XKgzlAC	AAA=
X-TM-AS-MML: No
Sender: linux-kernel-owner@vger.kernel.org
List-ID: <linux-kernel.vger.kernel.org>
X-Mailing-List: linux-kernel@vger.kernel.org
Content-Length: 19928
Lines: 402

On Tue, 07 Aug 2012 11:04:10 +0800
Peiyong Feng <peiyong.feng.kernel@gmail.com> wrote:

> 2012/8/6 Lukasz Majewski <l.majewski@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 majordomo@vger.kernel.org
More majordomo info at  http://vger.kernel.org/majordomo-info.html
Please read the FAQ at  http://www.tux.org/lkml/