Nouveau - Jul 2012 - [Bug 52398] New: nouveau: DPMS permanently turns off display when starting X.org, text console works fine

https://bugs.freedesktop.org/show_bug.cgi?id=52398

             Bug #: 52398
           Summary: nouveau: DPMS permanently turns off display when
                    starting X.org, text console works fine
    Classification: Unclassified
           Product: xorg
           Version: 7.7 (2011)
          Platform: PowerPC
        OS/Version: Linux (All)
            Status: NEW
          Severity: normal
          Priority: medium
         Component: Driver/nouveau
        AssignedTo: nouveau at lists.freedesktop.org
        ReportedBy: glaubitz at physik.fu-berlin.de
         QAContact: xorg-team at lists.x.org


Created attachment 64544
  --> https://bugs.freedesktop.org/attachment.cgi?id=64544
Kernel log (dmesg)

Hi,

I have been running Debian Linux on a Apple PowerMac G4 "Quicksilver"
(Model:
M8493) with the following main hardware specifications:

- PowerPC G4 7450, 867 MHz
- 1GB main memory
- nVidia GeForce GeForce2 MX/MX 400 (NV11) AGP video adapter

Software environment:

- Debian Linux PowerPC unstable
- Kernel 3.4.4 (from Debian experimental)
- nouveau X.org driver 1.0.1
- libdrm: 2.4.33
- mesa: 8.0.3

Problem description:

When using nouveau, the video adapter permanently turns off the attached
display through DPMS. This cannot be reversed and I do not get back video until
I reboot the machine by logging in through SSH. I can neither switch to a
virtual text console using <Ctrl>+<Alt>+<F1..Fn>.

The video output is fine when preventing X from starting and using just a
virtual text console (KMS works fine as well).

xrandr does not any displays attached, see attached logfiles and xrandr output.

I'm attaching the following files:

- kernel log (dmesg)
- Xorg.0.log
- lspci output
- xrandr --verbose output
- vbios.rom (cp "/proc/device-tree/pci at f0000000/NVDA,Parent at
10/NVDA,BMP"
~/vbios.rom)

If you need any further input, please let me know. The machine is a sole test
machine, so I'm happy to try any code from git or run any quirky code.

Cheers,

Adrian

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--- Comment #1 from John Paul Adrian Glaubitz <glaubitz at
physik.fu-berlin.de> 2012-07-23 14:26:07 PDT ---
Created attachment 64545
  --> https://bugs.freedesktop.org/attachment.cgi?id=64545
Output of lspci of the affected machine

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--- Comment #2 from John Paul Adrian Glaubitz <glaubitz at
physik.fu-berlin.de> 2012-07-23 14:26:48 PDT ---
Created attachment 64546
  --> https://bugs.freedesktop.org/attachment.cgi?id=64546
VBIOS image of the affected machine (see bug report on how BIOS was dumped)

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--- Comment #3 from John Paul Adrian Glaubitz <glaubitz at
physik.fu-berlin.de> 2012-07-23 14:27:12 PDT ---
Created attachment 64547
  --> https://bugs.freedesktop.org/attachment.cgi?id=64547
Xorg.0.log of affected machine

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--- Comment #4 from John Paul Adrian Glaubitz <glaubitz at
physik.fu-berlin.de> 2012-07-23 14:27:32 PDT ---
Created attachment 64548
  --> https://bugs.freedesktop.org/attachment.cgi?id=64548
Output of xrandr --verbose

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--- Comment #5 from John Paul Adrian Glaubitz <glaubitz at
physik.fu-berlin.de> 2012-07-23 19:36:57 PDT ---
Just an additional remark, I can actually set the DPMS state in
/sys/class/drm/.../dpms back to "On" with (through SSH):

XAUTHORITY=/var/lib/xdm/authdir/authfiles/A\:0-4LXCpv DISPLAY=:0.0 xrandr
--newmode 1280x1024 108 1280 1328 1440 1688 1024 1025 1028 1066 +HSync +VSync
XAUTHORITY=/var/lib/xdm/authdir/authfiles/A\:0-4LXCpv DISPLAY=:0.0 xrandr
--addmode VGA-1 1280x1024
XAUTHORITY=/var/lib/xdm/authdir/authfiles/A\:0-4LXCpv DISPLAY=:0.0 xrandr
--output VGA-1 --mode 1280x1024
XAUTHORITY=/var/lib/xdm/authdir/authfiles/A\:0-4LXCpv DISPLAY=:0.0 xset dpms
force on

However, the display will stay remain turned OFF.

Adrian

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--- Comment #6 from Danny <moondrake at gmail.com> ---
What I posted here may be useful for this bug:

https://bugs.freedesktop.org/show_bug.cgi?id=31122#c4

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--- Comment #7 from Ilia Mirkin <imirkin at alum.mit.edu> ---
Could you test out https://bugs.freedesktop.org/attachment.cgi?id=84946 and see
if it helps?

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--- Comment #8 from John Paul Adrian Glaubitz <glaubitz at
physik.fu-berlin.de> ---
I have unfortunately sold the Mac in question already. However, I might be
lucky to borrow an identical one to test the patch tomorrow.

I will report back in any case. There are also some more PPC Macs which I can
borrow for testing.

Cheers,

Adrian

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Martin Peres <martin.peres at free.fr> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
         Resolution|---                         |MOVED
             Status|NEW                         |RESOLVED

--- Comment #9 from Martin Peres <martin.peres at free.fr> ---
-- GitLab Migration Automatic Message --

This bug has been migrated to freedesktop.org's GitLab instance and has been
closed from further activity.

You can subscribe and participate further through the new bug through this link
to our GitLab instance:
https://gitlab.freedesktop.org/xorg/driver/xf86-video-nouveau/issues/25.

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