Re: doadump () at pcpu.h:165

From: Kris Kennaway <kris_at_obsecurity.org>
Date: Tue, 14 Jun 2005 14:21:27 -0400
On Tue, Jun 14, 2005 at 01:31:48PM +0700, Dikshie wrote:
> Dear All,
> I got self reboot my 6.0-CURRENT and able to get 
> dumpfile:
> 
> 
> GNU gdb 6.1.1 [FreeBSD]
> Copyright 2004 Free Software Foundation, Inc.
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> Type "show copying" to see the conditions.
> There is absolutely no warranty for GDB.  Type "show warranty" for details.
> This GDB was configured as "i386-marcel-freebsd".
> #0  doadump () at pcpu.h:165
>         in pcpu.h
> (kgdb) bt
> #0  doadump () at pcpu.h:165
> #1  0xc0526110 in boot (howto=260) at /usr/src/sys/kern/kern_shutdown.c:397
> #2  0xc05263bb in panic (fmt=0xc06dc69f "cur != NULL")
>     at /usr/src/sys/kern/kern_shutdown.c:553
> #3  0xc05bd3ac in tcp_sack_option (tp=0xc2013000, th=0xd443eb14,
>     cp=0xc1af2056 "\005\nwF\212|wF\217<F4>\0017\0010\0012\0010\0010\0010\0011\0010\0013\0010\0010\0010\0010\0013\001d\0010\00
> 11\0010\0010\0012\003ip6\004arpa",
>     optlen=0) at /usr/src/sys/netinet/tcp_sack.c:478

Here is the real panic, not the frame #0 as in your subject.

I've seen this panic also and have reported it to ps and mohan.

Kris

> #4  0xc05bb327 in tcp_dooptions (tp=0xc2013000, to=0xd443ec78,
>     cp=0xc1af2056 "\005\nwF\212|wF\217<F4>\0017\0010\0012\0010\0010\0010\0011\0010\0013\0010\0010\0010\0010\0013\001d\0010\00
> 11\0010\0010\0012\003ip6\004arpa",
>     cnt=10, is_syn=0, th=0xc1af2034) at /usr/src/sys/netinet/tcp_input.c:2647
> #5  0xc05b8dfb in tcp_input (m=0xc1ad6600, off0=65800)
>     at /usr/src/sys/netinet/tcp_input.c:1085
> #6  0xc05adcd5 in ip_input (m=0xc1ad6600)
>     at /usr/src/sys/netinet/ip_input.c:776
> #7  0xc0597f42 in netisr_processqueue (ni=0xc0783318)
>     at /usr/src/sys/net/netisr.c:235
> #8  0xc059812a in swi_net (dummy=0x0) at /usr/src/sys/net/netisr.c:348
> #9  0xc0513940 in ithread_loop (arg=0xc19db180)
>     at /usr/src/sys/kern/kern_intr.c:546
> #10 0xc0512dd4 in fork_exit (callout=0xc0513820 <ithread_loop>,
>     arg=0xc19db180, frame=0xd443ed38) at /usr/src/sys/kern/kern_fork.c:789
> #11 0xc0685e3c in fork_trampoline () at /usr/src/sys/i386/i386/exception.s:208
> (kgdb) quit
> 
> 
> 
> 
> 
> 
> regards,
> 
> -dikshie-
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Received on Tue Jun 14 2005 - 16:21:29 UTC

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