Re: [panic] intr_event_execute_handlers() - Corrupted DWARF expression

From: John Baldwin <jhb_at_freebsd.org>
Date: Thu, 19 Jan 2012 10:50:45 -0500
On Wednesday, January 18, 2012 5:01:37 pm Glen Barber wrote:
> Hi,
> 
> I'm running -CURRENT from about 5 days ago:
> 
> nucleus# uname -a
> FreeBSD nucleus 10.0-CURRENT FreeBSD 10.0-CURRENT #3 r230037M: Fri Jan
> 13 17:48:14 EST 2012     gjb_at_nucleus:/usr/obj/usr/src/sys/NUCLEUS  amd64
> 
> (The 'M' is kib's DRM patches for Intel GPU.)
> 
> So far, I haven't had much problem with this laptop, but just had the
> machine panic.
> 
> I have kgdb output attached, and I'll be happy to provide whatever
> additional information that may be needed.
> 
> I have core.txt.N available here:
> 
>   http://people.freebsd.org/~gjb/core.txt

In kgdb, can you go to frame 6 and 'p td->td_lock'.  If that is non-null, can 
you do 'p *td->td_lock'?

-- 
John Baldwin
Received on Thu Jan 19 2012 - 14:50:49 UTC

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