Date: Tue, 13 Oct 1998 18:51:37 -0700 (PDT) From: eric@lame.net To: freebsd-gnats-submit@FreeBSD.ORG Subject: kern/8311: kernel panic on de0 Message-ID: <199810140151.SAA14207@hub.freebsd.org>
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>Number: 8311
>Category: kern
>Synopsis: kernel panic on de0
>Confidential: no
>Severity: non-critical
>Priority: medium
>Responsible: freebsd-bugs
>State: open
>Quarter:
>Keywords:
>Date-Required:
>Class: sw-bug
>Submitter-Id: current-users
>Arrival-Date: Tue Oct 13 19:00:01 PDT 1998
>Last-Modified:
>Originator: Eric
>Organization:
>Release: 3.0-BETA Circa Oct-11
>Environment:
FreeBSD very 3.0-BETA FreeBSD 3.0-BETA #8: Sun Oct 11 06:19:24 PDT 1998 root
@:/usr/src/sys/compile/ANTIX.NET i386
>Description:
kernel panics for unknown reason while tcpdumping
Fatal trap 12: page fault while in kernel mode
fault virtual address = 0xefcf5cd8
fault code = Supervisor read, page not present
intstruction pointer = 0x8:0xf01c135d
stack pointer = 0x10:0xf0223df4
frame pointer = 0x10:0xf0223e28
= DPL 0, pres 1, def321, gran 1
processor eflags = interrupt enabled, resume, IOPL = 0
current process = Idle
interrupt mask = net tty
kernel: type 12 trap, code = 0
Stopped at _tulip_txput+0x165: movl _PTmap(,%eax,4),%edx
db> trace
_tulip_txput(f06c0800,f052d980,c0020000,f0223e70,f016a0bc) at _tulip_txput+0x165
_tulip_ifstart_one(f06c0818) at _tulip_ifstart_one+0x4d
_ether_output(f06c0818,f052c900,f2cf4030,f06cf500,ca1ff18a) at _ether_output+0x2
e0
_ip_output(f052c900,0,f2cf402c,0,0) at _ip_output+0x4f0
_tcp_output(f2cf4060,f2cf4060,0,f0223f80,f0187f63) at _tcp_output+0xab2
_tcp_timers(f2cf4060,0,f022bf48,f022c0e8,c0000000)
_tcp_slowtimo(0,f0143370,f0223fb4,f0133463,0) at _tcp_slowtimo+0x63
_pfslowtimo(0,c0000000,0,f2d54fc0,0) at _pfslowtimo+0x23
_softclock(80000000,10,10,0,f2d54fc0) at _softclock+0xc3
doreti_swi() at doreti_swi+0xf
>How-To-Repeat:
I haven't been able to reproduce it
>Fix:
>Audit-Trail:
>Unformatted:
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