Re: kernel 2.3.13 and [kernel BUG at filemap.c:1408!]

Jens Axboe (axboe@image.dk)
Wed, 18 Aug 1999 21:32:48 +0200

On Mon, Aug 16 1999, Catalin Muresan wrote:
> Hi,
>
> I've tried to read a file from a bad CD but after a few attempts
> from the driver, the kernel cought a bug. Below you have syslog output and
> the oops decoded by syslog: (the newlines are inserted by me)

[snip]
> Aug 13 12:31:22 Cnn kernel: ATAPI device hdb:
> Aug 13 12:31:22 Cnn kernel: Error: Illegal request -- (Sense key=0x05)
> Aug 13 12:31:22 Cnn kernel: Illegal mode for this track or incompatible medium -- (asc=0x64, ascq=0x00)
> Aug 13 12:31:22 Cnn kernel: hdb: command error: status=0x51 { DriveReady SeekComplete Error }
> Aug 13 12:31:22 Cnn kernel: hdb: command error: error=0x54
> Aug 13 12:31:22 Cnn kernel: end_request: I/O error, dev 03:40 (hdb), sector 1322224
>
> Aug 13 12:31:22 Cnn kernel: kernel BUG at filemap.c:1408!
> Aug 13 12:31:22 Cnn kernel: invalid operand: 0000
> Aug 13 12:31:22 Cnn kernel: CPU: 0
> Aug 13 12:31:23 Cnn kernel: EIP: 0010:[filemap_nopage+745/896]
> Aug 13 12:31:23 Cnn kernel: EFLAGS: 00010282
> Aug 13 12:31:23 Cnn kernel: eax: 0000001e ebx: 00000000 ecx: 00000020 edx: 0000001a
> Aug 13 12:31:23 Cnn kernel: esi: c2bcc000 edi: c02208e8 ebp: 00000000 esp: c2bcdf04
> Aug 13 12:31:23 Cnn kernel: ds: 0018 es: 0018 ss: 0018
> Aug 13 12:31:23 Cnn kernel: Process mc (pid: 1830, stackpage=c2bcd000)
> Aug 13 12:31:23 Cnn kernel: Stack: 00000580 c0721760 c2bcc000 00000000 c0ab0054 c02208e8 c02d9544 00000000
> Aug 13 12:31:23 Cnn kernel: c0c19240 c3339c80 c011b35d c0721760 40015000 00000000 c2bcc000 40015000
> Aug 13 12:31:23 Cnn kernel: c0721760 00000000 c011b4a6 c2bcc000 c0721760 40015000 00000000 c0ab0054
> Aug 13 12:31:23 Cnn kernel: Call Trace: [do_no_page+89/212] [handle_mm_fault+206/324] [do_page_fault+352/1176] [error_code+45/52]
> Aug 13 12:31:23 Cnn kernel: Code: 0f 0b 83 c4 0c 8d b6 00 00 00 00 b8 01 00 00 00 8b 7c 24 10

Does anyone have a good idea what is going on here? I have a
hard time imagining what on earth could provoke this bug?! It
doesn't appear to be CD-ROM related, other than the fact that
the two appeared about the same time.

-- 
*  Jens Axboe <axboe@image.dk>
*  Linux CD-ROM Maintainer
*  http://www.kernel.dk


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