Date: Sat, 25 Nov 2000 03:07:17 -0800 (PST) From: AVShutko@mail.khstu.ru To: freebsd-gnats-submit@FreeBSD.org Subject: i386/23089: Kernel panic in network code Message-ID: <20001125110717.A507B37B4C5@hub.freebsd.org>
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>Number: 23089
>Category: i386
>Synopsis: Kernel panic in network code
>Confidential: no
>Severity: critical
>Priority: high
>Responsible: freebsd-bugs
>State: open
>Quarter:
>Keywords:
>Date-Required:
>Class: sw-bug
>Submitter-Id: current-users
>Arrival-Date: Sat Nov 25 03:10:01 PST 2000
>Closed-Date:
>Last-Modified:
>Originator: Alexandr
>Release: FreeBSD 4.0
>Organization:
KhSTU/Department of Informatization
>Environment:
FreeBSD service.khstu.ru 4.0-RELEASE FreeBSD 4.0-RELEASE #7: Fri Nov 10 19:20:27 VLAT 2000 regressor@service.khstu.ru:/usr/src/sys/compile/SERVICE i386
>Description:
Fatal trap 12: page fault while in kernel mode
Fault virtual address = 0x20
Fault code = supervisor read, page not present
Instruction pointer = 0x8:0xc01b027d
Stack pointer = 0x10:0xccd27f6c
Frame pointer = 0x10:0xccd27f78
Code segment = base 0x0, limit 0xffff, type 0x1b
= DP10, pres 1, def 32 1, gran 1
Processor flags = interrupt enabled, resume, IOPL=0
Current process = 328 (dnetc)
Interrupt mask
kernel: type 12 trap, code = 0
Stopped at tcp_timer_persist+0xad : movl 0x20(%ebx), %eax
>How-To-Repeat:
I can't said.. :(
We have socks5, squid, apache, inn, samba, postgres, icq-server, dnetc
on this machine - there are many open sockets (but number of mbufs is enought)
>Fix:
unknown
>Release-Note:
>Audit-Trail:
>Unformatted:
>>trace
1. tcp_timer_persist(cbc132e0, 400000000, 80d6634, 80a801f, 80d6058)
at tcp_timer_persist+0xad
2. soft_clock(0, 2f, 80d002f, ccd2002f, 80d6058) at soft_clock+0xd1
3. doreti_swi() at doreti_swi+0xf
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