[Bug 92873] New: Video regression with mpv + compton, crash from debug

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=92873

            Bug ID: 92873
           Summary: Video regression with mpv + compton, crash from debug
           Product: xorg
           Version: git
          Hardware: x86-64 (AMD64)
                OS: All
            Status: NEW
          Severity: normal
          Priority: medium
         Component: Driver/intel
          Assignee: chris at chris-wilson.co.uk
          Reporter: andreas.reis at gmail.com
        QA Contact: intel-gfx-bugs at lists.freedesktop.org

Created attachment 119520
  --> https://bugs.freedesktop.org/attachment.cgi?id=119520&action=edit
Xorg.0.log crash with --enable-debug=full, build + compton options

Since "sna/dri2: Protect against a new possible recursion during TearFree" (
b1015d4 ) I can't play videos with mpv anymore. Xorg.0.log (for some reason the
server runs as root again, but dunno since when) shows two lines recurring
almost at a 1:1 pattern:

[  3618.247] (--) intel(0): HDMI max TMDS frequency 250000KHz
[  3619.715] (EE) intel(0): [DRI2] DRI2SwapComplete: bad drawable

Without compton (and before said commit) they play as intended, but the "max
TMDS" line still shows on every mpv start. Also, with compton sometimes videos
briefly do play (their video also starts playing when I resize the window) but
after some seconds or fast forwarding the display freezes again without mpv
printing an error.

That and the server crashes almost instantly (the 1080p manages to show the
deskotp) only if started with --enable-debug, attached is a log with =full.

Haswell 4770, 2x HDMI (1440p+1080p), drm-intel-nightly

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