[Wayland-bugs] [Bug 60675] with fullscreen mode=driver killing client when on another VT and returning to weston segvs

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=60675

--- Comment #1 from Kristian Høgsberg <krh at bitplanet.net> ---
commit 2002f8888800f6a416fa873003a9098ff9de8468
Author: Ander Conselvan de Oliveira <ander.conselvan.de.oliveira at intel.com>
Date:   Tue Feb 26 13:44:58 2013 +0200

    compositor-drm: Fix a crash with a fullscreen surface with driver mode

    If there was a fullscreen surface using driver mode when a vt switch is
    triggered, but something caused it to be gone when switching back (such
    as the client being killed), a call to drm_output_switch_mode() is made
    to restore the old mode, and that sets the output's current drm_fb to
    NULL, so that the new mode is set drm_output_repaint(). This led to a
    crash in vt_func(), because it tried to access output->current for
    restoring the old mode.

    Fix this by not setting the mode if there's no current fb. Instead,
    schedule a repaint so that the mode is set in drm_output_repaint().

    https://bugs.freedesktop.org/show_bug.cgi?id=60675

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