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From: erb@insu1.etec.uni-karlsruhe.de (Olaf Erb)
Subject: tcpdump seg fault?
Date: Wed, 19 Oct 1994 00:19:57 +0100 (MET)
Just wondering.. I'm still getting this since early 1.1 (I think)..:
# > tcpdump
Unable to handle kernel NULL pointer dereference at virtual address c0000000
current->tss.cr3 = 00f24000, %cr3 = 00f24000
*pde = 00102027
*pte = 00000027
Oops: 0000
EIP: 0010:00000000
EFLAGS: 00010246
eax: 00000000 ebx: 000000d1 ecx: 0038df44 edx: 001901d1
esi: bffffac8 edi: 0038df64 ebp: 0019eb3c esp: 0038df20
ds: 0018 es: 0018 fs: 002b gs: 002b ss: 0018
Process tcpdump (pid: 9993, process nr: 31, stackpage=0038d000)
Stack: 00132deb 0019eb3c ffffffff 00000000 bffffaa8
Code: 01 00 00 00 df e9 00 f0 c3 e2 00 f0 df e9 00 f0 df e9 00 f0
Segmentation fault
# > tcpdump
tcpdump: listening on sl0
Stack values give me
00132998 t _dev_ifsioc
0019eb3c d _slip0_dev
I've sl0 and sl1, both were up. It happens the first time I'm running
tcpdump (vers. 3.0), after the first fault it works.
Olaf
-- ----------------------------------------------------------- ! erb@insu1.etec.uni-karlsruhe.de dc1ik@db0sao.ampr.org ! -----------------------------------------------------------
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