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Subjectpppd GP fault
I was connected to our school's PPP dialup when I hit the end of my login
time, when the server (also a Linux box) automatically logs me off. When
it disconnected, instead of the usual messages, I got this:

general protection: 0000
CPU: 0
EIP: 0010:[<0189d5e8>]
EFLAGS: 00010282
eax: 00000000 ebx: 0057941c ecx: 0000001d edx: f00000fd
esi: 0000001e edi: 0805a490 ebp: 000005e0 esp: 00535f58
ds: 0018 es: 0018 fs: 002b gs: 002b ss: 0018
Process pppd-2.2 (pid: 828, process nr: 23, stackpage=00535000)
Stack: 00c81000 0008f4c0 00eda7e0 000005e0 0000001d 00c9f51e 00161f61
00c81000
0008f4c0 0805a48e 000005e0 0008f4c0 00000000 000005e0 00eda7e0
00122012
00eda7e0 0008f4c0 0805a48e 000005e0 00e14810 08058d1c bffff90c
bffff890
Call Trace: [<00161f61>] [<00122012>] [<0010a605>]
Code: 8a 52 20 88 54 24 14 ff 40 0c 8b 43 6c 8b 08 21 48 0c 0f b6
Trace: 161f61 <tty_read+9d/bc>
Trace: 122012 <sys_read+8a/b0>
Trace: 10a605 <system_call+55/80>

Code: movb 0x20(%edx),%dl
Code: movb %dl,0x14(%esp,1)
Code: incl 0xc(%eax)
Code: movl 0x6c(%ebx),%eax
Code: movl (%eax),%ecx
Code: andl %ecx,0xc(%eax)
Code: movzbl (%eax),%eax
Code: nop
Code: nop
Code: nop


This has been run through ksymoops, as you can see. This is on 2.0.29 with
the pre-2.0.30 patch and the pentium memcpy patch. It has NEVER done this
before, and the system continued on just fine. If you need more info, let
me know.

Derrik Pates
dpates@wind.mes.umn.edu


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