[Nouveau] [Bug 17699] New: Xorg crashes when trying to share a VT

[bugzilla-daemon at freedesktop.org]

http://bugs.freedesktop.org/show_bug.cgi?id=17699

           Summary: Xorg crashes when trying to share a VT
           Product: xorg
           Version: 7.3
          Platform: x86 (IA32)
        OS/Version: Linux (All)
            Status: NEW
          Severity: normal
          Priority: medium
         Component: Driver/nouveau
        AssignedTo: nouveau at lists.freedesktop.org
        ReportedBy: me at nikosapi.org
         QAContact: xorg-team at lists.x.org


I'm using Kubuntu 8.04.1 (with all the latest updates) and the nouveau driver
from https://launchpad.net/~raof/+archive

I have two video cards, a PCIEx16 nvidia 6600GT (pci:0000:01:00.0) and a PCI
ATI Radeon Mobility M7 LW (pci:0000:07:02.0). The nvidia card is connected to
two monitors (used in a dualhead configuration) and the ati card is connected
to a television via it's s-video output.

Using the proprietary nvidia driver I was able to start a second X server for
the ati card on a shared VT (using the -novtswitch and -sharevts options). Now
when I try that with the nouveau driver the X server of the nvidia card
crashes, here's an excerpt from the Xorg.0.log:

(II) NOUVEAU(0): Fifo dump (lockup 0x3fffffff,0x02d2):
(II) NOUVEAU(0): End of fifo dump

Fatal server error:
DMA queue hang: dmaPut=2d2, current=3fffffff, status=ffffffff

(II) NOUVEAU(0): NVLeaveVT is called.


What does work is if I start the second X server without the -novtswitch and
-sharevts options on it's own VT, but then I can't use both outputs at the same
time.

Here are some various files that might be of use:

nvidia card's Xorg.0.log: http://slexy.org/raw/s23sDw5Xzq
nvidia card's xorg.conf: http://slexy.org/raw/s21cWkoQiK
ati card's Xorg.1.log: http://slexy.org/raw/s2ld9etfR1
ati card's xorg.conf: http://slexy.org/raw/s2dCF4Rf0B


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