[Wayland-bugs] [Bug 66530] New: SIGSEGV in Weston when hot-unplugging HDMI during idle/blank

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=66530

          Priority: medium
            Bug ID: 66530
          Assignee: wayland-bugs at lists.freedesktop.org
           Summary: SIGSEGV in Weston when hot-unplugging HDMI during
                    idle/blank
          Severity: critical
    Classification: Unclassified
                OS: All
          Reporter: ullysses.a.eoff at intel.com
          Hardware: Other
            Status: NEW
           Version: unspecified
         Component: weston
           Product: Wayland

Created attachment 81923
  --> https://bugs.freedesktop.org/attachment.cgi?id=81923&action=edit
Weston output log

Weston segfaults when hot-unplugging an external HDMI display during Weston
idle/blank state.  See attached gdb backtrace and Weston output log.

Steps
------
1. Plug HDMI display into laptop with LVDS
2. Launch weston --backend=drm-backend.so -i10
3. Allow Weston to go into idle/blank screen state.
4. Hot-unplug HDMI display cable
5. Observe Weston segfault

Software
--------
wayland (master) heads/master-0-g2e07587
fontconfig (master) heads/master-0-gcbf06d7
drm (master) libdrm-2.4.46-0-gc6d73cf
mesa (master) heads/master-0-g84f367e
libxkbcommon (master) heads/master-0-g6f06eb5
pixman (master) heads/master-0-g279bdcd
cairo (master) heads/master-0-g7b8fc77
weston (master) heads/master-0-gb08b329

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