[Bug 85144] i965 vaapi / opengl stops working or hangs gpu at least since git commit after git1406031225.081488

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=85144

--- Comment #10 from Paulo Dias <paulo.miguel.dias at gmail.com> ---
When USING HEAD:

google-chrome cant use the gpu:

groo at kerberos ~ ->
 13:41 Ter Out 21$ google-chrome
ATTENTION: default value of option force_s3tc_enable overridden by environment.
ATTENTION: option value of option force_s3tc_enable ignored.
[3957:3957:1021/134232:ERROR:CONSOLE(0)] "Error in event handler for (unknown):
Cannot read property 'length' of undefined
Stack trace: TypeError: Cannot read property 'length' of undefined
    at refresh_event
(chrome-extension://ehhkfhegcenpfoanmgfpfhnmdmflkbgk/js/main.js:469:14)
    at disconnectListener (extensions::messaging:335:9)
    at EventImpl.dispatchToListener (extensions::event_bindings:397:22)
    at Event.publicClass.(anonymous function) [as dispatchToListener]
(extensions::utils:93:26)
    at EventImpl.dispatch_ (extensions::event_bindings:379:35)
    at EventImpl.dispatch (extensions::event_bindings:403:17)
    at Event.publicClass.(anonymous function) [as dispatch]
(extensions::utils:93:26)
    at dispatchOnDisconnect (extensions::messaging:290:27)", source:
chrome-extension://ehhkfhegcenpfoanmgfpfhnmdmflkbgk/index.html (0)
[3,364554496:15:42:32.587568] Native Client module will be loaded at base
address 0x00006c1300000000
[3957:4071:1021/134233:ERROR:get_updates_processor.cc(240)]
PostClientToServerMessage() failed during GetUpdates
[3957:3957:1021/134238:ERROR:extension_downloader.cc(700)] Invalid URL: '' for
extension oenpjldbckebacipkfbcoppmiflglnib
[3957:3957:1021/134238:ERROR:extension_downloader.cc(700)] Invalid URL: '' for
extension hehilldlghfkbmmojagnecggemfkfpcc
[3957:3957:1021/134238:ERROR:extension_downloader.cc(700)] Invalid URL: '' for
extension ajeeigigjapddbkkekjgpgolgodcpblc
[3957:3957:1021/134238:ERROR:extension_downloader.cc(700)] Invalid URL: '' for
extension fkmopoamfjnmppabeaphohombnjcjgla
[3999:4007:1021/154244:ERROR:gpu_watchdog_thread.cc(253)] The GPU process hung.
Terminating after 10000 ms.
ATTENTION: default value of option force_s3tc_enable overridden by environment.
ATTENTION: option value of option force_s3tc_enable ignored.
[WARNING:flash/platform/pepper/pep_module.cpp(63)] SANDBOXED
[4406:4411:1021/154257:ERROR:gpu_watchdog_thread.cc(253)] The GPU process hung.
Terminating after 10000 ms.
ATTENTION: default value of option force_s3tc_enable overridden by environment.
ATTENTION: option value of option force_s3tc_enable ignored.
[3957:3992:1021/134301:ERROR:connection_factory_impl.cc(344)] Failed to connect
to MCS endpoint with error -7
[4469:4474:1021/154309:ERROR:gpu_watchdog_thread.cc(253)] The GPU process hung.
Terminating after 10000 ms.

dmesg:

[   46.960033] Watchdog[3133]: segfault at 0 ip 00007f1f7ac8a2db sp
00007f1f6a46a7d0 error 6 in chrome[7f1f76ef0000+4ffd000]
[   71.492683] Watchdog[3573]: segfault at 0 ip 00007fc6af6cc2db sp
00007fc69eeac7d0 error 6 in chrome[7fc6ab932000+4ffd000]
[   89.967681] Watchdog[3647]: segfault at 0 ip 00007f132d6ce2db sp
00007f131ceae7d0 error 6 in chrome[7f1329934000+4ffd000]
[  179.021128] Watchdog[4007]: segfault at 0 ip 00007f7dde7a12db sp
00007f7dcdf817d0 error 6 in chrome[7f7ddaa07000+4ffd000]
[  191.434554] Watchdog[4411]: segfault at 0 ip 00007f24aacd02db sp
00007f249a4b07d0 error 6 in chrome[7f24a6f36000+4ffd000]
[  203.654600] Watchdog[4474]: segfault at 0 ip 00007fefb6f482db sp
00007fefa67287d0 error 6 in chrome[7fefb31ae000+4ffd000]

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