Re: Instant Reboots (was: Re: Postgresql locks up server - no response at all)

From: Geoff Speicher <geoff_at_speicher.org>
Date: Fri, 6 Aug 2004 13:50:05 -0400
On Fri, Aug 06, 2004 at 01:12:42PM -0400, John Baldwin wrote:
> On Thursday 05 August 2004 01:07 pm, Eric Anholt wrote:
> > On Thu, 2004-08-05 at 06:16, Geoff Speicher wrote:
> > > On Wed, Aug 04, 2004 at 03:26:13PM -0700, Eric Anholt wrote:
> > > > On Wed, 2004-08-04 at 15:07, Geoff Speicher wrote:
> > > > > On Wed, Aug 04, 2004 at 03:34:49PM -0600, Scott Long wrote:
> > > > > > Geoff Speicher wrote:
> > > > > > >FWIW, in mid-late July, my problems were not PREEMPTION-related. 
> > > > > > > I tried everything I could to get usable threaded apps under
> > > > > > > XFree86, but my Athlon XP rebooted every time I tried to run kdm,
> > > > > > > Firefox, etc.
> > > > > > >
> > > > > > >This included all four combinations of PREEMPTION and ULE/4BSD. 
> > > > > > > Rolling back to July 1 was the only thing that worked for me.
> > > > > >
> > > > > > Yeah, the instant reboots have hit me too.  Disabling PREEMPTION
> > > > > > did seem to help this for me, but then it might have been a
> > > > > > coincidence. Incidentally, what video drivers are you using?
> > > > >
> > > > > Snippets from /var/log/XFree86.0.log:
> > > > >
> > > > > (II) ATI: ATI driver (version 6.4.18) for chipsets: ati, ativga
> > > > > (--) RADEON(0): Chipset: "ATI Radeon VE/7000 QY (AGP)" (ChipID =
> > > > > 0x5159) (II) Loading /usr/X11R6/lib/modules/drivers/radeon_drv.o
> > > > > (II) Module radeon: vendor="The XFree86 Project"
> > > > >         compiled for 4.3.0, module version = 4.0.1
> > > > >         Module class: XFree86 Video Driver
> > > > >         ABI class: XFree86 Video Driver, version 0.6
> > > > >
> > > > > (II) RADEON(0): [drm] loaded kernel module for "radeon" driver
> > > > > (II) RADEON(0): Direct rendering enabled
> > > >
> > > > Does this happen without using threaded apps?  More specifically, does
> > > > it continue if you disable DRI in your X config?  If so, please send me
> > > > your dmesg.
> > >
> > > Hey, disabling DRI did the trick.  Aside from things being remarkably
> > > slow, it's remarkably stable. ;) Threaded X apps or no, I'm running
> > > a July 19 kernel with no instant reboots.  PREEMPTION disabled,
> > > WITNESS enabled (I misspoke in another message when I said WITNESS was
> > > disabled---apparently I fiddled more than I had remembered).  Toggling
> > > DRI back on and restarting X/kdm reboots immediately.
> >
> > While you didn't send your dmesg, I'm betting that you've got VIA 8377
> > AGP.  We're misconfiguring it, it seems.  I'm working on a patch, please
> > watch http://www.freebsd.org/cgi/query-pr.cgi?pr=ports/69953 for a fix.
> 
> The patch in that PR looks like a winner btw.

Yes.  Sorry; I replied to gnats but not to -current.  That patch seems
to have fixed it.

Geoff
Received on Fri Aug 06 2004 - 15:50:08 UTC

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