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.
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