Public bug reported:
Binary package hint: xorg
I've just recently upgraded my Hardy box to Intrepid. Previously, this
box had a working setup with 2 graphics cards in it - an AGP NVidia
Geforce 2 MX 400, and an older PCI Nvidia TNT 64 card. The former drove
my main desktop, the latter a projector for watching films etc.
Since the upgrade, X crashes when started and locks up with a blank
screen (both screens go into 'standby') and CPU usage of the X process
at 100% - the virtual terminals aren't accessible, and I have to 'kill
-9' the X process via a remote ssh connection to recover.
There's nothing showing as an error in the X logs (even with -verbose
and -logverbose set to 6 or above), X just seems to stop. There's
nothing significant in syslog either.
I get the same problem (with different but equivalent X log messages) if
I explicitly set both cards to use the vesa driver, or if I change any
of the cards around (using an ATI Rage 128 on the AGP slot, and/or an S3
Vision 968 on the PCI slot).
However, with any two cards installed, and configured in xorg.conf, a
single card will work if it is the only one referred to in the
ServerLayout section (even if the other card has a Device, Screen and
Monitor section).
My X config is as generated by dpkg-reconfigure -phigh, but with BusID
options and a ServerLayout section.
I've tried standard things like removing all the compiz packages,
reinstalling all the xserver packages and checking I'm fully up to date,
but with no success.
** Affects: xorg (Ubuntu)
Importance: Undecided
Status: New
** Tags: graphics intrepid xorg
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Using 2 graphics cards causes X to lock up and use 100% CPU.
https://bugs.launchpad.net/bugs/299444
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