Messages in this thread | | | Date | Wed, 21 Aug 2002 19:50:16 +0100 | From | Peter Hicks <> | Subject | PROBLEM: kernel BUG in buffer.c |
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Hi everyone
I've come across a BUG() in buffer.c, line 2497. I'm running 2.4.19 on a Pentium III, with no other problems. I'd finished making a backup of an IRIX installation CD, was mounting the freshly burnt CD, and was greeted with a hung 'mount' and the following in dmesg:
EFS: 1.0a - http://aeschi.ch.eu.org/efs/ kernel BUG at buffer.c:2497! invalid operand: 0000 CPU: 0 EIP: 0010:[<c0135e12>] Not tainted EFLAGS: 00010206 eax: 000007ff ebx: 0000000b ecx: 00000800 edx: d3cb58c0 esi: 00000000 edi: 00000b00 ebp: 00000000 esp: d7c9fe44 ds: 0018 es: 0018 ss: 0018 Process mount (pid: 1244, stackpage=d7c9f000) Stack: 00000b00 00000200 00000000 00000000 00004000 c01340a7 00000b00 00000000 00000200 c02349b4 c1bf2e00 c1bf2ecc c0134294 00000b00 00000000 00000200 00000000 e089b219 00000b00 00000000 00000200 c02349b4 c1bf2e00 c15c71e0 Call Trace: [<c01340a7>] [<c0134294>] [<e089b219>] [<c0136fe0>] [<e089c900>] [<e089c900>] [<c01457b6>] [<c013719b>] [<e089c900>] [<c0146699>] [<c0146962>] [<c01467b4>] [<c0146ce4>] [<c010856f>]
Code: 0f 0b c1 09 20 21 20 c0 8b 44 24 20 05 00 fe ff ff 3d 00 0e
Line 2497 of buffer.c is in grow_buffers, and the code is as follows:
2495: /* Size must be multiple of hard sectorsize */ 2496: if (size & (get_hardsect_size(dev)-1)) 2497: BUG();
This is the first time its happened. Can anybody confirm that this is, as I suspect, a problem with the CD-ROM and not with the kernel? Do I need to provide any more information to help somebody with troubleshooting?
Best wishes,
Peter (not currently subscribed to the list, please cc: in to replies!)
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