hdc: MATSHITADVD-ROM SR-8171, ATAPI CD/DVD-ROM drive
ide1 at 0x170-0x177,0x376 on irq 15
ide-floppy driver 0.97.sv
ide-floppy driver 0.97.sv
hdc: ATAPI 20X DVD-ROM DVD-RAM drive, 512kB Cache, DMA
Uniform CD-ROM driver Revision: 3.12
ISO 9660 Extensions: Microsoft Joliet Level 1
Unable to handle kernel NULL pointer dereference at virtual address 00000000
 printing eip:
c019758c
*pde = 00000000
Oops: 0002
CPU:    0
EIP:    0010:[<c019758c>]    Not tainted
EFLAGS: 00010246
eax: 00000000   ebx: c0f830e0   ecx: 00000006   edx: 00000000
esi: 00000000   edi: 00000000   ebp: 00000000   esp: c6effbdc
ds: 0018   es: 0018   ss: 0018
Process mount (pid: 4533, stackpage=c6eff000)
Stack: 00000000 00000000 00000000 c034f964 c17f08c0 00000000 c0197722 c034f964 
       c17f08c0 c013c9d5 c17f08c0 00000000 c034f964 00000000 c034f9a4 00000000 
       c0197d21 c034f9a4 00000000 00000001 00000008 0034f9a4 00000001 c62c4400 
Call Trace: [<c0197722>] ide_build_dmatable [kernel] 0x32 
[<c013c9d5>] ioctl_by_bdev [kernel] 0x95 
[<c0197d21>] ide_dmaproc [kernel] 0x131 
[<d0a6a823>] __insmod_ide-cd_S.text_L14880 [ide-cd] 0x7c3 
[<d0a6b2f7>] __insmod_ide-cd_S.text_L14880 [ide-cd] 0x1297 
[<d0a6aef0>] __insmod_ide-cd_S.text_L14880 [ide-cd] 0xe90 
[<d0a6bab9>] __insmod_ide-cd_S.text_L14880 [ide-cd] 0x1a59 
[<c018e500>] start_request [kernel] 0x1a0 
[<c018e863>] ide_do_request [kernel] 0x293 
[<c018e8ff>] do_ide_request [kernel] 0xf 
[<c018119e>] generic_unplug_device [kernel] 0x1e 
[<c011b8d9>] __run_task_queue [kernel] 0x49 
[<c01372a6>] __wait_on_buffer [kernel] 0x56 
[<c016da63>] batch_entropy_process [kernel] 0xb3 
[<c0138566>] bread [kernel] 0x46 
[<c011f0b7>] run_all_timers [kernel] 0x17 
[<c015fe48>] isofs_read_inode [kernel] 0x48 
[<c01497fa>] get_new_inode [kernel] 0xca 
[<c0161dbe>] find_nls [kernel] 0x3e 
[<c0149a72>] iget4 [kernel] 0xd2 
[<c022eb5e>] .rodata.str1.1 [kernel] 0x32f9 
[<c015f6da>] isofs_read_super [kernel] 0x52a 
[<d0a6c9fa>] __insmod_ide-cd_S.text_L14880 [ide-cd] 0x299a 
[<d0a6756e>] cdrom_get_next_writable_R3dbfcfc5 [cdrom] 0x18ae 
[<d0a62d00>] cdrom_select_disc_Rc5afb6d4 [cdrom] 0x100 
[<c013b533>] get_sb_bdev [kernel] 0x203 
[<c013bac4>] do_kern_mount [kernel] 0xe4 
[<c014bd43>] do_add_mount [kernel] 0x23 
[<c014bfcb>] do_mount [kernel] 0x13b 
[<c013013f>] __alloc_pages [kernel] 0xf 
[<c014be3c>] copy_mount_options [kernel] 0x4c 
[<c014c06c>] sys_mount [kernel] 0x7c 
[<c0106f3b>] system_call [kernel] 0x33 


Code: f3 ab 8b 43 38 85 c0 89 46 04 74 0d 8b 43 34 25 ff 0f 00 00 
 hda: timeout waiting for DMA
ide_dmaproc: chipset supported ide_dma_timeout func only: 14
blk: queue c034f660, I/O limit 4095Mb (mask 0xffffffff)
hda: status error: status=0x58 { DriveReady SeekComplete DataRequest }
hda: drive not ready for command
blk: queue c034f660, I/O limit 4095Mb (mask 0xffffffff)
hda: timeout waiting for DMA
ide_dmaproc: chipset supported ide_dma_timeout func only: 14
blk: queue c034f660, I/O limit 4095Mb (mask 0xffffffff)
hda: status error: status=0x58 { DriveReady SeekComplete DataRequest }
hda: drive not ready for command
blk: queue c034f660, I/O limit 4095Mb (mask 0xffffffff)
hda: timeout waiting for DMA
ide_dmaproc: chipset supported ide_dma_timeout func only: 14
blk: queue c034f660, I/O limit 4095Mb (mask 0xffffffff)
hda: status error: status=0x58 { DriveReady SeekComplete DataRequest }
hda: drive not ready for command
blk: queue c034f660, I/O limit 4095Mb (mask 0xffffffff)
hda: timeout waiting for DMA
ide_dmaproc: chipset supported ide_dma_timeout func only: 14
blk: queue c034f660, I/O limit 4095Mb (mask 0xffffffff)
hda: status error: status=0x58 { DriveReady SeekComplete DataRequest }
hda: drive not ready for command