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* [Bug 27706] New: Blank screen and "Error referencing VRAM ctxdma: -12" on NV44A with ubuntu lucid beta 2 (worked in alpha 3)
@ 2010-04-16 20:04 bugzilla-daemon-CC+yJ3UmIYqDUpFQwHEjaQ
       [not found] ` <bug-27706-8800-V0hAGp6uBxMKqLRl/0Ahz6D7qz1kEfGD2LY78lusg7I@public.gmane.org/>
  0 siblings, 1 reply; 23+ messages in thread
From: bugzilla-daemon-CC+yJ3UmIYqDUpFQwHEjaQ @ 2010-04-16 20:04 UTC (permalink / raw)
  To: nouveau-PD4FTy7X32lNgt0PjOBp9y5qC8QIuHrW

https://bugs.freedesktop.org/show_bug.cgi?id=27706

           Summary: Blank screen and "Error referencing VRAM ctxdma: -12"
                    on NV44A with ubuntu lucid beta 2 (worked in alpha 3)
           Product: xorg
           Version: 7.5
          Platform: x86 (IA32)
        OS/Version: Linux (All)
            Status: NEW
          Severity: critical
          Priority: medium
         Component: Driver/nouveau
        AssignedTo: nouveau-PD4FTy7X32lNgt0PjOBp9y5qC8QIuHrW@public.gmane.org
        ReportedBy: mossroy.mossroy-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org
         QAContact: xorg-team-go0+a7rfsptAfugRpC6u6w@public.gmane.org


Created an attachment (id=35110)
 --> (https://bugs.freedesktop.org/attachment.cgi?id=35110)
Dmesg on ubuntu lucid beta 2 installed (does not work)

I can't start the ubuntu lucid beta 2 liveCD on a computer with a Nvidia
GeForce 6200 (NV44A rev A1) : the screen stays blank after booting.
It works properly with a ubuntu lucid alpha 3 liveCD (which probably uses a
previous version of nouveau) and ubuntu karmic liveCD (which uses nv driver)

I managed to install the beta 2 on this computer through the alternate CD : the
behavior is the same when booting on the hard drive.
I installed all the updates (as of 16th april 2040) : same behavior

I experience the precise same behavior with Fedora live : Fedora 12 live boots
correctly (but relies on "nv" driver), Fedora 13 beta live gives the same blank
screen (and also uses "nouveau" driver).

I think this is a regression in the "nouveau" graphic driver : the version
bundled with lucid alpha 3 works, the one with lucid beta 2 (or fedora 13 beta)
does not.
Here is an excerpt of the dmesg on beta 2 :
  nouveau 0000:03:00.0: RAMHT space exhausted. ch=0
  nouveau 0000:03:00.0: Error referencing VRAM ctxdma: -12
  nouveau 0000:03:00.0: gpuobj -12

This error message does not appear when using lucid alpha 3.

I found that adding "nouveau.noaccel=1" as a boot parameter is a workaround,
both on ubuntu lucid beta 2 and on fedora 13 beta

My motherboard is a Asus A7N8X-E deluxe, on which a GeForce 6200 video card
(branded MSI) is in the AGP port.

You will find attached the dmesg of :
- ubuntu lucid beta 2 installed (does not work)
- ubuntu lucid alpha 3 liveCD (works)
- ubuntu lucid beta 2 installed, with nouveau.noaccel=1 (works)

lspci gives :
03:00.0 VGA compatible controller: nVidia Corporation NV44A [Geforce 6200] (rev
a1)

I first opened this bug on ubuntu launchpad :
https://bugs.launchpad.net/ubuntu/+source/xserver-xorg-video-nouveau/+bug/564617

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^ permalink raw reply	[flat|nested] 23+ messages in thread
end of thread, other threads:[~2010-04-17 16:44 UTC | newest]

Thread overview: 23+ messages (download: mbox.gz follow: Atom feed
-- links below jump to the message on this page --
2010-04-16 20:04 [Bug 27706] New: Blank screen and "Error referencing VRAM ctxdma: -12" on NV44A with ubuntu lucid beta 2 (worked in alpha 3) bugzilla-daemon-CC+yJ3UmIYqDUpFQwHEjaQ
     [not found] ` <bug-27706-8800-V0hAGp6uBxMKqLRl/0Ahz6D7qz1kEfGD2LY78lusg7I@public.gmane.org/>
2010-04-16 20:05   ` [Bug 27706] " bugzilla-daemon-CC+yJ3UmIYqDUpFQwHEjaQ
2010-04-16 20:06   ` bugzilla-daemon-CC+yJ3UmIYqDUpFQwHEjaQ
2010-04-16 20:07   ` bugzilla-daemon-CC+yJ3UmIYqDUpFQwHEjaQ
2010-04-16 20:08   ` bugzilla-daemon-CC+yJ3UmIYqDUpFQwHEjaQ
2010-04-16 20:08   ` bugzilla-daemon-CC+yJ3UmIYqDUpFQwHEjaQ
2010-04-16 20:09   ` bugzilla-daemon-CC+yJ3UmIYqDUpFQwHEjaQ
2010-04-16 20:35   ` bugzilla-daemon-CC+yJ3UmIYqDUpFQwHEjaQ
2010-04-16 21:42   ` bugzilla-daemon-CC+yJ3UmIYqDUpFQwHEjaQ
2010-04-16 21:48   ` bugzilla-daemon-CC+yJ3UmIYqDUpFQwHEjaQ
2010-04-16 22:10   ` bugzilla-daemon-CC+yJ3UmIYqDUpFQwHEjaQ
2010-04-16 22:15   ` bugzilla-daemon-CC+yJ3UmIYqDUpFQwHEjaQ
2010-04-16 22:16   ` bugzilla-daemon-CC+yJ3UmIYqDUpFQwHEjaQ
2010-04-16 22:17   ` bugzilla-daemon-CC+yJ3UmIYqDUpFQwHEjaQ
2010-04-16 22:21   ` bugzilla-daemon-CC+yJ3UmIYqDUpFQwHEjaQ
2010-04-16 22:31   ` bugzilla-daemon-CC+yJ3UmIYqDUpFQwHEjaQ
2010-04-16 22:41   ` bugzilla-daemon-CC+yJ3UmIYqDUpFQwHEjaQ
2010-04-17  6:45   ` bugzilla-daemon-CC+yJ3UmIYqDUpFQwHEjaQ
2010-04-17  9:48   ` bugzilla-daemon-CC+yJ3UmIYqDUpFQwHEjaQ
2010-04-17 11:06   ` bugzilla-daemon-CC+yJ3UmIYqDUpFQwHEjaQ
2010-04-17 11:58   ` bugzilla-daemon-CC+yJ3UmIYqDUpFQwHEjaQ
2010-04-17 16:33   ` bugzilla-daemon-CC+yJ3UmIYqDUpFQwHEjaQ
2010-04-17 16:44   ` bugzilla-daemon-CC+yJ3UmIYqDUpFQwHEjaQ

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