From nobody@FreeBSD.ORG  Sat Nov 25 03:07:17 2000
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Date: Sat, 25 Nov 2000 03:07:17 -0800 (PST)
From: AVShutko@mail.khstu.ru
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To: freebsd-gnats-submit@FreeBSD.org
Subject: Kernel panic in network code
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>Number:         23089
>Category:       i386
>Synopsis:       Kernel panic in network code
>Confidential:   no
>Severity:       non-critical
>Priority:       low
>Responsible:    freebsd-bugs
>State:          closed
>Quarter:        
>Keywords:       
>Date-Required:  
>Class:          sw-bug
>Submitter-Id:   current-users
>Arrival-Date:   Sat Nov 25 03:10:01 PST 2000
>Closed-Date:    Mon Mar 12 17:08:07 PST 2001
>Last-Modified:  Mon Mar 12 17:09:09 PST 2001
>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:

From: David Greenman <dg@root.com>
To: AVShutko@mail.khstu.ru
Cc: freebsd-gnats-submit@FreeBSD.ORG
Subject: Re: i386/23089: Kernel panic in network code 
Date: Sat, 25 Nov 2000 13:08:19 -0800

 >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)
 
    This problem has already been fixed in -current and (4.2)-stable.
 
 -DG
 
 David Greenman
 Co-founder, The FreeBSD Project - http://www.freebsd.org
 President, TeraSolutions, Inc. - http://www.terasolutions.com
 Pave the road of life with opportunities.
 
State-Changed-From-To: open->feedback 
State-Changed-By: dougb 
State-Changed-When: Sat Nov 25 15:21:06 PST 2000 
State-Changed-Why:  

There have been numerous improvements in the code since 
4.0-Release. Can you try upgrading to 4.2-Release, or 
4.2-Stable and let us know how it goes? There is upgrading 
information on our web site. 

http://www.freebsd.org/cgi/query-pr.cgi?pr=23089 
State-Changed-From-To: feedback->closed 
State-Changed-By: des 
State-Changed-When: Mon Mar 12 17:08:07 PST 2001 
State-Changed-Why:  
Feedback timeout. Also, the problem has been fixed in newer versions. 

http://www.freebsd.org/cgi/query-pr.cgi?pr=23089 
>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
 
