[Bug 79320] New: [SNA G33/31] Segfault with "xrandr --output VGA1 --scale 2x2"

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=79320

          Priority: medium
            Bug ID: 79320
          Assignee: chris at chris-wilson.co.uk
           Summary: [SNA G33/31] Segfault with "xrandr --output VGA1
                    --scale 2x2"
        QA Contact: intel-gfx-bugs at lists.freedesktop.org
          Severity: normal
    Classification: Unclassified
                OS: Linux (All)
          Reporter: ccr at tnsp.org
          Hardware: x86 (IA32)
            Status: NEW
           Version: unspecified
         Component: Driver/intel
           Product: xorg

Created attachment 99959
  --> https://bugs.freedesktop.org/attachment.cgi?id=99959&action=edit
gdm/xorg log

Attempting to scale output via xrandr causes xorg segfault:

$ xrandr --output VGA1 --scale 2x2

Attaching gdm/xorg log, and following translated addresses from the trace:

$ addr2line -e /usr/lib/xorg/modules/drivers/intel_drv.so 0xa883d 0xf0aab
0xfb11f 0x896c4 0x91c26 0x71d51 0x94886
/misc/packages/xf86-video-intel/src/sna/sna_render.c:795
/misc/packages/xf86-video-intel/src/sna/gen3_render.c:3125
/misc/packages/xf86-video-intel/src/sna/gen3_render.c:3530
/misc/packages/xf86-video-intel/src/sna/sna_display.c:5311
/misc/packages/xf86-video-intel/src/sna/sna_display.c:5600
/misc/packages/xf86-video-intel/src/sna/sna_accel.c:16849
/misc/packages/xf86-video-intel/src/sna/sna_driver.c:661


-- Window manager: WindowMaker 0.95.5
-- chipset: 00:02.0 VGA compatible controller: Intel Corporation 82G33/G31
Express Integrated Graphics Controller (rev 10)
-- system architecture: i686 / 32bit
-- xf86-video-intel: GIT 605fcd9050efc816ac8163e8d626f466d98261c2
-- xserver: X.Org X Server 1.15.1-1 from latest Debian testing
-- mesa: 10.1.2-1 from Debian testing
-- libpixman: 0.32.4-1
-- libdrm version: 2.4.54-1
-- kernel version: 3.14.4 (vanilla+grsec)
-- Linux distribution: current Debian Testing
-- Machine or mobo model: Asus P5KPL-CM
-- Display connector: VGA

-- 
You are receiving this mail because:
You are the QA Contact for the bug.
-------------- next part --------------
An HTML attachment was scrubbed...
URL: <http://lists.freedesktop.org/archives/intel-gfx-bugs/attachments/20140527/08de6507/attachment.html>