[Bug 89745] SEGFAULT in Firefox when layers.acceleration.force enabled

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=89745

            Bug ID: 89745
           Summary: SEGFAULT in Firefox when layers.acceleration.force
                    enabled
           Product: DRI
           Version: XOrg git
          Hardware: Other
                OS: All
            Status: NEW
          Severity: normal
          Priority: medium
         Component: DRM/Radeon
          Assignee: dri-devel at lists.freedesktop.org
          Reporter: kami911 at gmail.com

When I enable layers.acceleration.force enabled on a laptop that utilize Radeon
HD 6470M (HP Probook 6560b) the Firefox becomes crashy.

Firefox crash stats:

https://crash-stats.mozilla.com/report/index/9f758b7f-a9b9-45db-907a-432de2150320
https://crash-stats.mozilla.com/report/index/f55b9a9c-cd3c-48c8-802a-da5822150321
https://crash-stats.mozilla.com/report/index/443715bc-90a6-4f9e-9cdc-ce36a2150321

More details about the system:

lspci
01:00.0 VGA compatible controller: Advanced Micro Devices, Inc. [AMD/ATI]
Seymour [Radeon HD 6400M/7400M Series]

lshv -C video
  *-display               
       description: VGA compatible controller
       product: Seymour [Radeon HD 6400M/7400M Series]
       vendor: Advanced Micro Devices, Inc. [AMD/ATI]
       physical id: 0
       bus info: pci at 0000:01:00.0
       version: 00
       width: 64 bits
       clock: 33MHz
       capabilities: pm pciexpress msi vga_controller bus_master cap_list rom
       configuration: driver=radeon latency=0
       resources: irq:46 memory:c0000000-cfffffff memory:d4300000-d431ffff
ioport:4000(size=256) memory:d4340000-d435ffff

xserver-xorg-video-radeon                   1:7.3.0-1ubuntu3.1
libdrm-radeon1:amd64                        2.4.56-1~ubuntu2

Linux Godzilla 3.16.0-31-generic #43~14.04.1-Ubuntu SMP Tue Mar 10 20:13:38 UTC
2015 x86_64 x86_64 x86_64 GNU/Linux

Related Firefox Bugzilla entry:
https://bugzilla.mozilla.org/show_bug.cgi?id=1144529

If you need more information, do not hesitate to ask.

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