[Bug 70219] New: [radeon] Cannot restore video mode after vt switch or GPU lockup

[Bug 70219] New: [radeon] Cannot restore video mode after vt switch or GPU lockup

[bugzilla-daemon]

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https://bugs.freedesktop.org/show_bug.cgi?id=70219

          Priority: medium
            Bug ID: 70219
          Assignee: dri-devel@lists.freedesktop.org
           Summary: [radeon] Cannot restore video mode after vt switch or
                    GPU lockup
          Severity: minor
    Classification: Unclassified
                OS: Linux (All)
          Reporter: pupykin.s@gmail.com
          Hardware: x86-64 (AMD64)
            Status: NEW
           Version: XOrg CVS
         Component: DRM/Radeon
           Product: DRI

Steps to reproduce:
- boot using "radeon.modeset=1 video=DIN-1:1024x768-24@60e"
- switch off S-Video: "xrandr --output DIN --off"
- Ctrl+Alt+F1 - vt1 console appears
- Ctrl+Alt+F7 - monitor shows no video input

Workaround:
- Ctrl+Alt+F1 again
- login and export proper DISPLAY
- xrandr --output DIN --auto
- Ctrl+Alt+F7 - Xorg works

Booting with forced S-Video and switching it off from Xorg makes problem. Also
video mode cannot be restored in this case after GPU lockup. Restarting Xorg
from vt1 helps too.

Environment:
Arch Linux x86_64
linux 3.11.3-1
xorg-server 1.14.3-1
libdrm 2.4.46-2
xf86-video-ati 1:7.2.0-1

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[Bug 70219] [radeon] Cannot restore video mode after vt switch or GPU lockup

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https://bugs.freedesktop.org/show_bug.cgi?id=70219

--- Comment #1 from Alex Deucher <agd5f@yahoo.com> ---
Please attach your xorg log and dmesg output.

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[Bug 70219] [radeon] Cannot restore video mode after vt switch or GPU lockup

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https://bugs.freedesktop.org/show_bug.cgi?id=70219

--- Comment #2 from Sergej Pupykin <pupykin.s@gmail.com> ---
Created attachment 87272
  --> https://bugs.freedesktop.org/attachment.cgi?id=87272&action=edit
dmesg

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[Bug 70219] [radeon] Cannot restore video mode after vt switch or GPU lockup

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https://bugs.freedesktop.org/show_bug.cgi?id=70219

--- Comment #3 from Sergej Pupykin <pupykin.s@gmail.com> ---
Created attachment 87273
  --> https://bugs.freedesktop.org/attachment.cgi?id=87273&action=edit
Xorg.log

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[Bug 70219] [radeon] Cannot restore video mode after vt switch or GPU lockup

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https://bugs.freedesktop.org/show_bug.cgi?id=70219

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

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

--- Comment #4 from Martin Peres <martin.peres@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/drm/amd/issues/393.

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