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Date: Sat, 25 Nov 2000 03:07:17 -0800 (PST)
From: AVShutko@mail.khstu.ru
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Subject: i386/23089: Kernel panic in network code
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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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