Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1751975Ab2HHFCo (ORCPT ); Wed, 8 Aug 2012 01:02:44 -0400 Received: from mail-wi0-f172.google.com ([209.85.212.172]:33356 "EHLO mail-wi0-f172.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751439Ab2HHFCj (ORCPT ); Wed, 8 Aug 2012 01:02:39 -0400 MIME-Version: 1.0 In-Reply-To: <20120807113416.57b03f4f@amdc308.digital.local> References: <20120806101200.GJ17551@arwen.pp.htv.fi> <20120806151436.4761cd4d@amdc308.digital.local> <20120807113416.57b03f4f@amdc308.digital.local> Date: Wed, 8 Aug 2012 13:02:37 +0800 Message-ID: Subject: Re: [BUG] Kernel panic when try s3c-hsotg.c with kernel 3.5 From: Peiyong Feng To: Lukasz Majewski Cc: balbi@ti.com, linux-usb@vger.kernel.org, linux-kernel@vger.kernel.org Content-Type: text/plain; charset=ISO-8859-1 Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 32479 Lines: 634 2012/8/7 Lukasz Majewski : > On Tue, 07 Aug 2012 11:04:10 +0800 > Peiyong Feng wrote: > >> 2012/8/6 Lukasz Majewski : >> > 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 : [] lr : [] 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 [] >> >> > (s3c_hsotg_handle_outdone+0x44/0x158) from [] >> >> > (s3c_hsotg_irq+0x75c/0x804) [] >> >> > (s3c_hsotg_irq+0x75c/0x804) from [] >> >> > (handle_irq_event_percpu+0x50/0x1bc) [] >> >> > (handle_irq_event_percpu+0x50/0x1bc) from [] >> >> > (handle_irq_event+0x3c/0x5c) [] >> >> > (handle_irq_event+0x3c/0x5c) from [] >> >> > (handle_level_irq+0x8c/0x118) [] >> >> > (handle_level_irq+0x8c/0x118) from [] >> >> > (generic_handle_irq+0x38/0x44) [] >> >> > (generic_handle_irq+0x38/0x44) from [] >> >> > (handle_IRQ+0x30/0x84) [] (handle_IRQ+0x30/0x84) from >> >> > [] (vic_handle_irq+0x68/0xa8) [] >> >> > (vic_handle_irq+0x68/0xa8) from [] >> >> > (__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 [] >> >> > (__irq_svc+0x40/0x60) from [] >> >> > (_raw_spin_unlock_irqrestore+0x10/0x14) [] >> >> > (_raw_spin_unlock_irqrestore+0x10/0x14) from [] >> >> > (__setup_irq+0x178/0x3f8) [] (__setup_irq+0x178/0x3f8) >> >> > from [] (request_threaded_irq+0xc4/0x12c) [] >> >> > (request_threaded_irq+0xc4/0x12c) from [] >> >> > (s3c_hsotg_probe+0x14c/0x700) [] >> >> > (s3c_hsotg_probe+0x14c/0x700) from [] >> >> > (platform_drv_probe+0x18/0x1c) [] >> >> > (platform_drv_probe+0x18/0x1c) from [] >> >> > (driver_probe_device+0x78/0x200) [] >> >> > (driver_probe_device+0x78/0x200) from [] >> >> > (__driver_attach+0x8c/0x90) [] >> >> > (__driver_attach+0x8c/0x90) from [] >> >> > (bus_for_each_dev+0x60/0x8c) [] >> >> > (bus_for_each_dev+0x60/0x8c) from [] >> >> > (bus_add_driver+0xac/0x250) [] >> >> > (bus_add_driver+0xac/0x250) from [] >> >> > (driver_register+0x58/0x130) [] >> >> > (driver_register+0x58/0x130) from [] >> >> > (do_one_initcall+0x34/0x17c) [] >> >> > (do_one_initcall+0x34/0x17c) from [] >> >> > (kernel_init+0xf0/0x1bc) [] (kernel_init+0xf0/0x1bc) >> >> > from [] (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 >> >> > 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: >> >> > ... >> >> > (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. I have defined DEGUG in s3c-hsotg.c > >> > >> > 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 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 Well, I also tested in linux-2.6.36, it works ok, here is the log: ================================================= Starting kernel ... Uncompressing Linux... done, booting the kernel. Linux version 2.6.36 (root@archermind) (gcc version 4.3.2 (Sourcery G++ Lite 2008q3-72) ) #21 Wed Aug 8 11:40:58 C2 CPU: ARMv6-compatible processor [410fb766] revision 6 (ARMv7), cr=00c5387f CPU: 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 mmc_bus: source is mout_epll (0), rate is 24000000 mmc_bus: source is mout_epll (0), rate is 24000000 mmc_bus: source is mout_epll (0), rate is 24000000 usb-bus-host: source is clk_48m (0), rate is 48000000 uclk1: source is dout_mpll (1), rate is 66500000 spi-bus: source is mout_epll (0), rate is 24000000 spi-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 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 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: 120932k/120932k available, 10140k reserved, 0K highmem Virtual kernel memory layout: vector : 0xffff0000 - 0xffff1000 ( 4 kB) fixmap : 0xfff00000 - 0xfffe0000 ( 896 kB) DMA : 0xff600000 - 0xffe00000 ( 8 MB) vmalloc : 0xc8800000 - 0xe0000000 ( 376 MB) lowmem : 0xc0000000 - 0xc8000000 ( 128 MB) modules : 0xbf000000 - 0xc0000000 ( 16 MB) .init : 0xc0008000 - 0xc0021000 ( 100 kB) .text : 0xc0021000 - 0xc025e000 (2292 kB) .data : 0xc0274000 - 0xc02944c0 ( 130 kB) SLUB: Genslabs=11, HWalign=32, Order=0-3, MinObjects=0, CPUs=1, Nodes=1 Hierarchical RCU implementation. RCU-based detection of stalled CPUs is disabled. Verbose stalled-CPUs detection is disabled. NR_IRQS:246 VIC @f4000000: id 0x00041192, vendor 0x41 VIC @f4010000: id 0x00041192, vendor 0x41 Console: colour dummy device 80x30 console [ttySAC0] enabled Calibrating delay loop... 530.84 BogoMIPS (lpj=2654208) pid_max: default: 32768 minimum: 301 Mount-cache hash table entries: 512 CPU: Testing write buffer coherency: ok NET: Registered protocol family 16 s3c64xx_dma_init: Registering DMA channels s3c64xx_dma_init1: registering DMA 0 (c8808100) s3c64xx_dma_init1: registering DMA 1 (c8808120) s3c64xx_dma_init1: registering DMA 2 (c8808140) s3c64xx_dma_init1: registering DMA 3 (c8808160) s3c64xx_dma_init1: registering DMA 4 (c8808180) s3c64xx_dma_init1: registering DMA 5 (c88081a0) s3c64xx_dma_init1: registering DMA 6 (c88081c0) s3c64xx_dma_init1: registering DMA 7 (c88081e0) PL080: IRQ 73, at c8808000 s3c64xx_dma_init1: registering DMA 8 (c880c100) s3c64xx_dma_init1: registering DMA 9 (c880c120) s3c64xx_dma_init1: registering DMA 10 (c880c140) s3c64xx_dma_init1: registering DMA 11 (c880c160) s3c64xx_dma_init1: registering DMA 12 (c880c180) s3c64xx_dma_init1: registering DMA 13 (c880c1a0) s3c64xx_dma_init1: registering DMA 14 (c880c1c0) s3c64xx_dma_init1: registering DMA 15 (c880c1e0) PL080: IRQ 74, at c880c000 S3C6410: Initialising architecture bio: create slab 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) s3c-fb s3c-fb: window 0: fb Serial: 8250/16550 driver, 4 ports, IRQ sharing disabled s3c6400-uart.0: s3c2410_serial0 at MMIO 0x7f005000 (irq = 16) is a S3C6400/10 s3c6400-uart.1: s3c2410_serial1 at MMIO 0x7f005400 (irq = 20) is a S3C6400/10 s3c6400-uart.2: s3c2410_serial2 at MMIO 0x7f005800 (irq = 24) is a S3C6400/10 s3c6400-uart.3: s3c2410_serial3 at MMIO 0x7f005c00 (irq = 28) is a S3C6400/10 brd: module loaded loop: module loaded at24 0-0050: 1024 byte 24c08 EEPROM (writable) at24 1-0057: 16384 byte 24c128 EEPROM (writable) 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 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 2.6.36 ohci_hcd usb usb1: SerialNumber: s3c24xx hub 1-0:1.0: USB hub found hub 1-0:1.0: 2 ports detected s3c-hsotg s3c-hsotg: regs c8840000, irq 90 s3c-hsotg s3c-hsotg: s3c_hsotg_corereset: reset failed, GRSTCTL=80000001 s3c-hsotg s3c-hsotg: GRXFSIZ=0x00001800, GNPTXFSIZ=0x18001800 s3c-hsotg s3c-hsotg: shared fifos s3c-hsotg s3c-hsotg: cannot create debug root s3c-hsotg s3c-hsotg: DCFG=0x00200000, DCTL=0x00000002, DIEPMSK=0000000f s3c-hsotg s3c-hsotg: GAHBCFG=0x00000000, 0x44=0x00000000 s3c-hsotg s3c-hsotg: GRXFSIZ=0x00000800, GNPTXFSIZ=0x04000800 s3c-hsotg s3c-hsotg: DPTx[1] FSize=768, StAddr=0x00000f00 s3c-hsotg s3c-hsotg: DPTx[2] FSize=768, StAddr=0x00001200 s3c-hsotg s3c-hsotg: DPTx[3] FSize=768, StAddr=0x00001500 s3c-hsotg s3c-hsotg: DPTx[4] FSize=768, StAddr=0x00001800 s3c-hsotg s3c-hsotg: DPTx[5] FSize=768, StAddr=0x00001b00 s3c-hsotg s3c-hsotg: DPTx[6] FSize=768, StAddr=0x00001e00 s3c-hsotg s3c-hsotg: DPTx[7] FSize=768, StAddr=0x00002100 s3c-hsotg s3c-hsotg: DPTx[8] FSize=768, StAddr=0x00002400 s3c-hsotg s3c-hsotg: DPTx[9] FSize=768, StAddr=0x00002700 s3c-hsotg s3c-hsotg: DPTx[10] FSize=768, StAddr=0x00002a00 s3c-hsotg s3c-hsotg: DPTx[11] FSize=768, StAddr=0x00002d00 s3c-hsotg s3c-hsotg: DPTx[12] FSize=768, StAddr=0x00003000 s3c-hsotg s3c-hsotg: DPTx[13] FSize=768, StAddr=0x00003300 s3c-hsotg s3c-hsotg: DPTx[14] FSize=768, StAddr=0x00003600 s3c-hsotg s3c-hsotg: DPTx[15] FSize=768, StAddr=0x00003900 s3c-hsotg s3c-hsotg: ep0-in: EPCTL=0x00008000, SIZ=0x00000000, DMA=0x00000000 s3c-hsotg s3c-hsotg: ep0-out: EPCTL=0x00008000, SIZ=0x00000000, DMA=0x00000000 s3c-hsotg s3c-hsotg: ep1-in: EPCTL=0x00000000, SIZ=0x00000000, DMA=0x00000000 s3c-hsotg s3c-hsotg: ep1-out: EPCTL=0x00000000, SIZ=0x00000000, DMA=0x00000000 s3c-hsotg s3c-hsotg: ep2-in: EPCTL=0x00000000, SIZ=0x00000000, DMA=0x00000000 s3c-hsotg s3c-hsotg: ep2-out: EPCTL=0x00000000, SIZ=0x00000000, DMA=0x00000000 s3c-hsotg s3c-hsotg: ep3-in: EPCTL=0x00000000, SIZ=0x00000000, DMA=0x00000000 s3c-hsotg s3c-hsotg: ep3-out: EPCTL=0x00000000, SIZ=0x00000000, DMA=0x00000000 s3c-hsotg s3c-hsotg: ep4-in: EPCTL=0x00000000, SIZ=0x00000000, DMA=0x00000000 s3c-hsotg s3c-hsotg: ep4-out: EPCTL=0x00000000, SIZ=0x00000000, DMA=0x00000000 s3c-hsotg s3c-hsotg: ep5-in: EPCTL=0x00000000, SIZ=0x00000000, DMA=0x00000000 s3c-hsotg s3c-hsotg: ep5-out: EPCTL=0x00000000, SIZ=0x00000000, DMA=0x00000000 s3c-hsotg s3c-hsotg: ep6-in: EPCTL=0x00000000, SIZ=0x00000000, DMA=0x00000000 s3c-hsotg s3c-hsotg: ep6-out: EPCTL=0x00000000, SIZ=0x00000000, DMA=0x00000000 s3c-hsotg s3c-hsotg: ep7-in: EPCTL=0x00000000, SIZ=0x00000000, DMA=0x00000000 s3c-hsotg s3c-hsotg: ep7-out: EPCTL=0x00000000, SIZ=0x00000000, DMA=0x00000000 s3c-hsotg s3c-hsotg: ep8-in: EPCTL=0x00000000, SIZ=0x00000000, DMA=0x00000000 s3c-hsotg s3c-hsotg: ep8-out: EPCTL=0x00000000, SIZ=0x00000000, DMA=0x00000000 s3c-hsotg s3c-hsotg: ep9-in: EPCTL=0x00000000, SIZ=0x00000000, DMA=0x00000000 s3c-hsotg s3c-hsotg: ep9-out: EPCTL=0x00000000, SIZ=0x00000000, DMA=0x00000000 s3c-hsotg s3c-hsotg: ep10-in: EPCTL=0x00000000, SIZ=0x00000000, DMA=0x00000000 s3c-hsotg s3c-hsotg: ep10-out: EPCTL=0x00000000, SIZ=0x00000000, DMA=0x00000000 s3c-hsotg s3c-hsotg: ep11-in: EPCTL=0x00000000, SIZ=0x00000000, DMA=0x00000000 s3c-hsotg s3c-hsotg: ep11-out: EPCTL=0x00000000, SIZ=0x00000000, DMA=0x00000000 s3c-hsotg s3c-hsotg: ep12-in: EPCTL=0x00000000, SIZ=0x00000000, DMA=0x00000000 s3c-hsotg s3c-hsotg: ep12-out: EPCTL=0x00000000, SIZ=0x00000000, DMA=0x00000000 s3c-hsotg s3c-hsotg: ep13-in: EPCTL=0x00000000, SIZ=0x00000000, DMA=0x00000000 s3c-hsotg s3c-hsotg: ep13-out: EPCTL=0x00000000, SIZ=0x00000000, DMA=0x00000000 s3c-hsotg s3c-hsotg: ep14-in: EPCTL=0x00000000, SIZ=0x00000000, DMA=0x00000000 s3c-hsotg s3c-hsotg: ep14-out: EPCTL=0x00000000, SIZ=0x00000000, DMA=0x00000000 s3c-hsotg s3c-hsotg: DVBUSDIS=0x000017d7, DVBUSPULSE=000005b8 g_ether gadget: using random self ethernet address g_ether gadget: using random host ethernet address usb0: MAC f2:17:0a:35:30:d1 usb0: HOST MAC b6:57:d6:a4:e9:f7 g_ether gadget: Ethernet Gadget, version: Memorial Day 2008 g_ether gadget: g_ether ready s3c-hsotg s3c-hsotg: EP0: DIEPCTL0=0x00008000, DOEPCTL0=0x00008000 s3c-hsotg s3c-hsotg: DCTL=0x00000002 s3c-hsotg s3c-hsotg: EP0: DIEPCTL0=0x00008000, DOEPCTL0=0x80008000 s3c-hsotg s3c-hsotg: S3C_GINTSTS_USBSusp s3c-hsotg s3c-hsotg: S3C_GINTSTS_USBSusp s3c-hsotg s3c-hsotg: bound driver g_ether mice: PS/2 mouse device common for all mice S3C24XX RTC, (c) 2004,2006 Simtec Electronics s3c-rtc s3c64xx-rtc: rtc disabled, re-enabling s3c-rtc s3c64xx-rtc: rtc core: registered s3c as rtc0 i2c /dev entries driver sdhci: Secure Digital Host Controller Interface driver sdhci: Copyright(c) Pierre Ossman s3c-sdhci s3c-sdhci.0: clock source 0: hsmmc (133000000 Hz) s3c-sdhci s3c-sdhci.0: clock source 1: hsmmc (133000000 Hz) s3c-sdhci s3c-sdhci.0: clock source 2: mmc_bus (24000000 Hz) mmc0: SDHCI controller on samsung-hsmmc [s3c-sdhci.0] using ADMA usbcore: registered new interface driver usbhid usbhid: USB HID core driver VFP support v0.3: implementor 41 architecture 1 part 20 variant b rev 5 s3c6400_setup_sdhci_cfg_card: CTRL 2=c0004120, 3=80808080 s3c-rtc s3c64xx-rtc: setting system clock to 2001-06-14 07:18:06 UTC (992503086) RAMDISK: Couldn't find valid RAM disk image starting at 0. s3c-hsotg s3c-hsotg: s3c_hsotg_irq: USBRst List of all partitions: No filesystem could mount root, tried: ext3 ext2 cramfs romfs Kernel panic - not syncing: VFS: Unable to mount root fs on unknown-block(1,0) [] (unwind_backtrace+0x0/0xec) from [] (panic+0x54/0x174) [] (panic+0x54/0x174) from [] (mount_block_root+0x25c/0x2ac) [] (mount_block_root+0x25c/0x2ac) from [] (prepare_namespace+0x164/0x1bc) [] (prepare_namespace+0x164/0x1bc) from [] (kernel_init+0x10c/0x14c) [] (kernel_init+0x10c/0x14c) from [] (kernel_thread_exit+0x0/0x8) s3c-hsotg s3c-hsotg: new device is high-speed s3c-hsotg s3c-hsotg: s3c_hsotg_irq: USBRst s3c-hsotg s3c-hsotg: new device is high-speed s3c-hsotg s3c-hsotg: new address 58 g_ether gadget: high speed config #1: CDC Ethernet (ECM) > 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 : [] lr : [] 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 [] >> (s3c_hsotg_handle_outdone+0x40/0xdc) from [] >> (s3c_hsotg_irq+0x5a0/0x5fc) [] (s3c_hsotg_irq+0x5a0/0x5fc) >> from [] (handle_irq_event_percpu+0x50/0x1b4) [] >> (handle_irq_event_percpu+0x50/0x1b4) from [] >> (handle_irq_event+0x3c/0x5c) [] >> (handle_irq_event+0x3c/0x5c) from [] >> (handle_level_irq+0x8c/0x118) [] >> (handle_level_irq+0x8c/0x118) from [] >> (generic_handle_irq+0x38/0x44) [] >> (generic_handle_irq+0x38/0x44) from [] >> (handle_IRQ+0x30/0x84) [] (handle_IRQ+0x30/0x84) from >> [] (vic_handle_irq+0x68/0xa8) [] >> (vic_handle_irq+0x68/0xa8) from [] (__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 [] >> (__irq_svc+0x40/0x54) from [] >> (_raw_spin_unlock_irqrestore+0x10/0x14) [] >> (_raw_spin_unlock_irqrestore+0x10/0x14) from [] >> (__setup_irq+0x184/0x408) [] (__setup_irq+0x184/0x408) from >> [] (request_threaded_irq+0xc4/0x12c) [] >> (request_threaded_irq+0xc4/0x12c) from [] >> (devm_request_threaded_irq+0x58/0x8c) [] >> (devm_request_threaded_irq+0x58/0x8c) from [] >> (s3c_hsotg_probe+0xdc/0x5c0) [] >> (s3c_hsotg_probe+0xdc/0x5c0) from [] >> (platform_drv_probe+0x18/0x1c) [] >> (platform_drv_probe+0x18/0x1c) from [] >> (driver_probe_device+0x78/0x208) [] >> (driver_probe_device+0x78/0x208) from [] >> (__driver_attach+0x8c/0x90) [] (__driver_attach+0x8c/0x90) >> from [] (bus_for_each_dev+0x60/0x8c) [] >> (bus_for_each_dev+0x60/0x8c) from [] >> (bus_add_driver+0xac/0x248) [] (bus_add_driver+0xac/0x248) >> from [] (driver_register+0x58/0x14c) >> [] (driver_register+0x58/0x14c) from [] >> (do_one_initcall+0x34/0x17c) >> [] (do_one_initcall+0x34/0x17c) from [] >> (kernel_init+0xf0/0x1bc) >> [] (kernel_init+0xf0/0x1bc) from [] >> (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/ -- 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/