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From: Robert Noland <rnoland@FreeBSD.org>
To: "Carlos A. M. dos Santos" <unixmania@gmail.com>
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Date: Sun, 27 Dec 2009 13:41:38 -0600
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Cc: freebsd-x11@freebsd.org
Subject: Re: x11perf -all leads to Xorg crash on 8-STABLE
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On Sun, 2009-12-27 at 15:41 -0200, Carlos A. M. dos Santos wrote:
> On Sun, Dec 27, 2009 at 3:22 PM, Robert Noland <rnoland@freebsd.org> wrote:
> > On Sun, 2009-12-27 at 15:17 -0200, Carlos A. M. dos Santos wrote:
> [...]
> >> I figured out that "x11perf -shmputxy10" triggers the crash. Mys first
> >> guess was that something related to shared memory was causing the
> >> problem. However, running the X server with
> >>
> >>      truss /usr/local/bin/Xorg >& Xorg.truss.log
> >>
> >> shows that all shm* calls succeed. Anyway, I attempted to increase the
> >> available shared memory, using the values recommended by the Xine
> >> port:
> >>
> >>      sysctl kern.ipc.shmmax=67108864
> >>      sysclt kern.ipc.shmall=32768
> >>
> >> But it keeps crashing.
> >
> > Attaching gdb to X and getting a backtrace and/or enabling drm debugging
> > is more likely to point to the issue.
> 
> How do I enable drm debugging?

sysctl hw.dri.0.debug=1

robert.

-- 
Robert Noland <rnoland@FreeBSD.org>
FreeBSD