[Bug 95463] New: [SNA HSW] QuakeForge (SDL 1.2) changing resolution crashes Xorg

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=95463

            Bug ID: 95463
           Summary: [SNA HSW] QuakeForge (SDL 1.2) changing resolution
                    crashes Xorg
           Product: xorg
           Version: unspecified
          Hardware: x86-64 (AMD64)
                OS: Linux (All)
            Status: NEW
          Severity: normal
          Priority: medium
         Component: Driver/intel
          Assignee: chris at chris-wilson.co.uk
          Reporter: ccr at tnsp.org
        QA Contact: intel-gfx-bugs at lists.freedesktop.org

Created attachment 123842
  --> https://bugs.freedesktop.org/attachment.cgi?id=123842&action=edit
Xorg log for the crash

Running "nq-sdl -mem 128 +set vid_width 1024 +set vid_height 768" crashes Xorg.
If resolution is unchanged (e.g. native 1280x1024 for example), no crash.
Using latest git DDX.

Attaching gdb backtrace and Xorg.log

-- Window manager: WindowMaker 0.95.6+b1
-- chipset: Intel Corporation Xeon E3-1200 v3/4th Gen Core Processor Integrated
Graphics Controller (rev 06)
-- system architecture: x86-64 / 64bit
-- xf86-video-intel: GIT head/master a508b11bde9f3119b49b3e0f652587efb9e037af
-- xserver: X.Org X Server 1.18.3-1
-- mesa: 11.2.2-1
-- libpixman: 0.33.6-1
-- libdrm version: 2.4.68-1
-- kernel version: 4.5.4-grsec
-- Linux distribution: current Debian Testing
-- Machine or mobo model: Asus H97M-PLUS, core i7-4770
-- Display connector: VGA

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