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Date: Thu, 07 Dec 2000 14:42:38 -0800
From: Joseph Cheek <joseph@cheek.com>
Organization: LinuxCare, Inc.
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To: linux-kernel@vger.kernel.org
Subject: kernel BUG at buffer.c:827 in test12-pre6 and 7
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copying files off a loopback-mounted vfat filesystem exposes this bug.
test11 worked fine.

loop.o built as module.  this hard crashes the machine, every time
[PIII-450].  i don't know how to debug this, is there a FAQ?

[transcribed by hand]:

# mount -o loop /tmp/cdboot.288 /mnt/cd
# cd /mnt/cd
# cp menu.lst /tmp
kernel BUG at buffer.c:827!
invalid operand: 0000
CPU: 0
EIP: 0010:[<c013660c>]
EFLAGS: 00010082
eax: 0000001c ebx: c1d8fc60 ecx: 00000000 edx: 00000001
esi: c10658e4 edi: 00000002 ebp: c1d8fca8 esp: c1793dc0
ds: 0018 es: 0018 ss: 0018
Process cp (pid 762, stackpage=c1793000)
Stack: c01fe484 c01fe95a 0000033b c1d8fc60 c1cef420 00000001 00000001
c01610e1
       c1d8fc60 00000001 c1cef420 00000000 c1cef420 c02c8ed8 c88df91c
c1cef420
       00000001 c88e0986 00000007 00000000 00000001 c02c8ed8 c02c8ee8
c4f18800
Call Trace: [<c01fe484>] [<c01fe95a>] [<c0130703>] [<c8895de3>]
[<c88df91c>] [<c8894494>] [<c0160d2f>] [<c0160ead>]
       [<c0161011>] [<c0137a49>] [<c0130703>] [<c8895de3>] [<c8894494>]
[<c01284d3>] [<c012887b>] [c0128720>]
       [<c889448d>] [<c01349a7>] [c010b56b>]
Code: 0f 0b 83 c4 0c 8d 5e 28 8d 46 2c 39 46 2c 74 24 b9 01 00 00

as soon as i reboot i will look what's at buffer.c:827



--
thanks!

joe

--
Joseph Cheek, Sr Linux Consultant, Linuxcare | http://www.linuxcare.com/
Linuxcare.  Support for the Revolution.      | joseph@linuxcare.com
CTO / Acting PM, Redmond Linux Project       | joseph@redmondlinux.org
425 990-1072 vox [1074 fax] 206 679-6838 pcs | joseph@cheek.com



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