Re: ppp triggers GPF panic

From: Stefan Bethke <stb_at_lassitu.de>
Date: Sun, 12 Jul 2009 01:51:40 +0200
Am 11.07.2009 um 20:44 schrieb Lawrence Stewart:

> Stefan Bethke wrote:
>> Yesterday's -current, amd64, C2D, 4 GB RAM. Full dmesg below.
>> Fatal trap 9: general protection fault while in kernel mode
>> cpuid = 0; apic id = 00
>> instruction pointer    = 0x20:0xffffffff802fc2ce
>> stack pointer            = 0x28:0xffffff8000037b10
>> frame pointer            = 0x28:0xffffff8000037b30
>> code segment        = base 0x0, limit 0xfffff, type 0x1b
>>            = DPL 0, pres 1, long 1, def32 0, gran 1
>> processor eflags    = interrupt enabled, resume, IOPL = 0
>> current process        = 12 (swi1: netisr 0)
>> [thread pid 12 tid 100007 ]
>> Stopped at      _mtx_lock_sleep+0x4e:   movl    0x288(%rcx),%esi
>> Didn't capture anything else there.  This happened when my ADSL  
>> link was forced down (24h connection reset).
>> After fixing the file system (UFS2 + softupdates on /), I got  
>> another "panic: spin lock held too long" on rebooting.
>> Then, the GPF panic happened again as ppp was trying to establish  
>> the connection:
>
> 1. Do you have a crash dump?

Unfortunatly not.

> 2. Can you try find a sequence of events to deterministically  
> reproduce this?

Not if I can help it, this is my main gateway at home.  Sorry.  But  
I'll try collect as much info as possible if and when it happens again.


Stefan

-- 
Stefan Bethke <stb_at_lassitu.de>   Fon +49 151 14070811
Received on Sat Jul 11 2009 - 21:51:43 UTC

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