On Montag, 13. August 2007, Florian Philipp wrote:
> Am Montag 13 August 2007 16:06:50 schrieb Volker Armin Hemmann:
> > On Montag, 13. August 2007, Florian Philipp wrote:
> > > Am Montag 13 August 2007 15:14:18 schrieb Volker Armin Hemmann:
> > > > On Montag, 13. August 2007, Florian Philipp wrote:
> > > > > Hi!
> > > > >
> > > > > I'm experiencing some strange problems on one of my machines.
> > > > > Everytime I open the KDE Control Center and on random occasions in
> > > > > Firefox (sometimes after doing nothing for several minutes, just
> > > > > having it open in the background and switching back to it or when
> > > > > starting certain java scripts) the X-Server does no longer react. I
> > > > > can move the cursor but that's it.
> > > > >
> > > > > All I can do is open a remote shell. Top shows me that X is at
> > > > > 97-99% cpu usage and the only way to kill it is with "kill -kill"
> > > > >
> > > > > I've noticed the following in dmesg:
> > > > >
> > > > > "NVRM: Xid: 13, 0000 02005600 00000056 00000c28 00230291 00000080
> > > > > agpgart: Found an AGP 3.0 compliant device at 0000:00:00.0.
> > > > > agpgart: BIOS bug. AGP bridge claims to only support x4 rateFixing
> > > > > up support for x2 & x1
> > > > > agpgart: Device is in legacy mode, falling back to 2.x
> > > > > agpgart: Putting AGP V2 device at 0000:00:00.0 into 4x mode
> > > > > agpgart: Putting AGP V2 device at 0000:01:00.0 into 4x mode
> > > > > agpgart: Found an AGP 3.0 compliant device at 0000:00:00.0.
> > > > > agpgart: BIOS bug. AGP bridge claims to only support x4 rateFixing
> > > > > up support for x2 & x1
> > > > > agpgart: Device is in legacy mode, falling back to 2.x
> > > > > agpgart: Putting AGP V2 device at 0000:00:00.0 into 4x mode
> > > > > agpgart: Putting AGP V2 device at 0000:01:00.0 into 4x mode
> > > > > NVRM: Xid: 13, 0000 02005600 00000056 00000c28 00230291 00000080
> > > > > agpgart: Found an AGP 3.0 compliant device at 0000:00:00.0.
> > > > > agpgart: BIOS bug. AGP bridge claims to only support x4 rateFixing
> > > > > up support for x2 & x1
> > > > > agpgart: Device is in legacy mode, falling back to 2.x
> > > > > agpgart: Putting AGP V2 device at 0000:00:00.0 into 4x mode
> > > > > agpgart: Putting AGP V2 device at 0000:01:00.0 into 4x mode
> > > > > agpgart: Found an AGP 3.0 compliant device at 0000:00:00.0.
> > > > > agpgart: BIOS bug. AGP bridge claims to only support x4 rateFixing
> > > > > up support for x2 & x1
> > > > > agpgart: Device is in legacy mode, falling back to 2.x
> > > > > agpgart: Putting AGP V2 device at 0000:00:00.0 into 4x mode
> > > > > agpgart: Putting AGP V2 device at 0000:01:00.0 into 4x mode"
> > > > >
> > > > > That's the situation after two crashes within a few minutes (I
> > > > > tried to open the Control Center).
> > > > >
> > > > > I'm using an NVidia Geforce2 MX with nvidia-drivers-1.0.7185.
> > > > >
> > > > > I'll attach the whole dmesg and lshw output as well as my
> > > > > xorg.conf.
> > > > >
> > > > > Thanks in advance!
> > > > >
> > > > > Florian Philipp
> > > > >
> > > > > By the way: Should I compress attachments? KMail offers automatic
> > > > > zip-compression.
> > > >
> > > > first, update you bios. Pull out the card, dust the case, put the
> > > > card back, retry.
> > >
> > > Bios is updated to the last stable release. The latest beta (for almost
> > > 2 years now) crashes badly.
> > >
> > > The system was build less than two months ago and should not contain
> > > much dust. Anyway, it's got no fan at all but I've taken care of
> > > possible heat problems.
> > >
> > > I'll check the bios settings, maybe permanently limiting it to AGP2x
> > > helps.
> > >
> > > I've forgotten to mention that the card works flawlessly with the nv
> > > driver.
> >
> > yeah, because nv does not really stress the card and bus. Such signaling
> > or power problems are masked away.
>
> I still suspect a driver issue because I never had any problems on Windows.
> Anyway, if it makes you happy, I'll check it for connection problems as
> soon as possible (maybe tomorrow).
>
> But hardware problems can't explain why I can use it for office, watching
> DVDs, GoogleEarth and such like for hours while starting KDE's Control
> Panel crashes it immediately every time I try it.

because of the Xid. From the part in your mail it looks like you get your 
first one as soon as X starts. And after a Xid the gpu is in a highly 
unstable condition. You can post your problem in the nvnews-forum. Maybe 
you'll find some help there.
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