Instant Reboots (was: Re: Postgresql locks up server - no
response at all)
eta at lclark.edu
Thu Aug 5 10:07:11 PDT 2004
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.
Eric Anholt eta at lclark.edu
http://people.freebsd.org/~anholt/ anholt at FreeBSD.org
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