Re: Crash when we wakeup from a sleep on IBM T43

From: Randall Stewart <rrs_at_cisco.com>
Date: Mon, 27 Aug 2007 01:29:33 -0400
Ok all.. Kip and I just figured it out :-D

If you have WITNESS on this crash shows up.. if WITNESS
is off.. it does not..

This mtx needs to be made recursive at least in the short
term...

R

Randall Stewart wrote:
> Hi all:
> 
> Ok I can easily reproduce this.. and I have pinpointed at least
> one of the culprits..
> 
> witness says its:
> 
> recursed on non-recursive lock in OsdSync.c line 377 acpi subsystem...
> 
> You can find here (thanks to fellow sctp-interop participants) jpegs
> of the crash and a picture of a ddb> trace
> 
> The crash:
> http://www.sctp.org/sleep_crash1.jpg
> 
> The trace:
> 
> http://www.sctp.org/sleep_crash2.jpg
> 
> Would someone who owns the acpi subsystem take a look
> at this.. and if you need more info, it would be good to
> hear from you.. I can do DDB commands if you want more info
> and at the interop until tommorrow I have access to a D200
> to actually take photos of it... or of course there
> is the manual transcribe :-0
> 
> R


-- 
Randall Stewart
NSSTG - Cisco Systems Inc.
803-345-0369 <or> 803-317-4952 (cell)
Received on Mon Aug 27 2007 - 03:29:24 UTC

This archive was generated by hypermail 2.4.0 : Wed May 19 2021 - 11:39:16 UTC