Date: Fri, 6 Aug 2004 13:12:42 -0400 From: John Baldwin <jhb@FreeBSD.org> To: freebsd-current@FreeBSD.org Cc: current@FreeBSD.org Subject: Re: Instant Reboots (was: Re: Postgresql locks up server - no response at all) Message-ID: <200408061312.42650.jhb@FreeBSD.org> In-Reply-To: <1091725623.911.10.camel@leguin> References: <1091649533.29481.42.camel@lanshark.dmv.com> <20040805131628.GA47734@sirius.speicher.org> <1091725623.911.10.camel@leguin>
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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. -- John Baldwin <jhb@FreeBSD.org> <>< http://www.FreeBSD.org/~jhb/ "Power Users Use the Power to Serve" = http://www.FreeBSD.org
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