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@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.
We need symbols for the r600_dri.so entries in the crash dumps, see bug 81680.
locate r600_dri.so /usr/lib/i386-linux-gnu/dri/r600_dri.so /usr/lib/x86_64-linux-gnu/dri/r600_dri.so Installed: sudo apt-get install libgl1-mesa-dri-dbg addr2line 0x168a2f -e /usr/lib/x86_64-linux-gnu/dri/r600_dri.so /build/buildd/mesa-10.1.3/build/dri/src/mesa/../../../../src/gallium/auxiliary/util/u_inlines.h:151 addr2line 0x168a34 -e /usr/lib/x86_64-linux-gnu/dri/r600_dri.so /build/buildd/mesa-10.1.3/build/dri/src/mesa/../../../../src/gallium/auxiliary/util/u_inlines.h:151
Looks like the same bug, which has been fixed upstream. *** This bug has been marked as a duplicate of bug 81680 ***
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