Nouveau - May 2015 - [Bug 90390] New: [NV98] Modesetting causes blank screen because of INVALID_STATE [UNK0B] chid 1 mthd 0x0080 data 0x00000000

https://bugs.freedesktop.org/show_bug.cgi?id=90390

            Bug ID: 90390
           Summary: [NV98] Modesetting causes blank screen because of
                    INVALID_STATE [UNK0B] chid 1 mthd 0x0080 data
                    0x00000000
           Product: xorg
           Version: unspecified
          Hardware: x86-64 (AMD64)
                OS: Linux (All)
            Status: NEW
          Severity: normal
          Priority: medium
         Component: Driver/nouveau
          Assignee: nouveau at lists.freedesktop.org
          Reporter: analizer at yandex.ru
        QA Contact: xorg-team at lists.x.org

Environment:
Video card: GeForce 9300M GS (laptop)
Kernel: 4.0.2-gentoo

Steps to reproduce:
1. Boot
2. modprobe drm_kms_heloper
3. modprobe nouveau

Expected result:
Framebuffer initialization
Actually after dozen attempts I had framebuffer initialized once, background
was red, foreground was black and I never was able to achieve this again.

Actual result:
Blank screen. Still able to process keyboard input, so kernel log can be
gathered and system can be safely rebooted.

Results with various parameters:
With `nouveau.noaccel=1` I'm getting black screen instead of blank screen
and
system is not responsive to keyboard input.
With `nouveau.modeset=0` nothing happens after `modprobe nouveau`, this makes
me think this is a modesetting issue.

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--- Comment #1 from Dmitry Potapov <analizer at yandex.ru> ---
Created attachment 115668
  --> https://bugs.freedesktop.org/attachment.cgi?id=115668&action=edit
kernel lop

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--- Comment #2 from Dmitry Potapov <analizer at yandex.ru> ---
Created attachment 115669
  --> https://bugs.freedesktop.org/attachment.cgi?id=115669&action=edit
vbios.rom gathered using nvagetbios

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--- Comment #3 from Dmitry Potapov <analizer at yandex.ru> ---
Created attachment 115670
  --> https://bugs.freedesktop.org/attachment.cgi?id=115670&action=edit
kernel config

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Dmitry Potapov <analizer at yandex.ru> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
 Attachment #115668|kernel lop                  |kernel log
        description|                            |

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--- Comment #4 from Ilia Mirkin <imirkin at alum.mit.edu> ---
FYI, modeset=0 == disable nouveau entirely, so it makes sense that you don't
get any issues.

Looks like PDISP hangs almost immediately on initialization. Another user was
able to bisect to a specific commit that came into 3.16, but on fairly
different hardware (bug 90276). Is this a new issue, if so what was the last
known working kernel?

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--- Comment #5 from Dmitry Potapov <analizer at yandex.ru> ---
Unfortunately nouveau never worked for me.
I've tried to migrate to nouveau from nvidia proprietary drivers earlier on
3.16 and 3.18 kernels and probably on older kernels, and the result was the
same: blank screen (not sure, probably is was a black screen)

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--- Comment #6 from Dmitry Potapov <analizer at yandex.ru> ---
Created attachment 115671
  --> https://bugs.freedesktop.org/attachment.cgi?id=115671&action=edit
kernel log for 3.14.41-gentoo

Checked against kernel 3.14.41
Symptoms are same, but the error message is a bit different although I used the
same drm.debug=15

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

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

--- Comment #7 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/187.

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