Bug#756848: xserver-xorg-video-radeon: Random segfaults with glamor enabled on Southern Islands card

Michel Dänzer michel at daenzer.net
Wed Aug 6 00:02:52 PDT 2014

On 06.08.2014 11:55, Jeff Bradberry wrote:
> On Tue, Aug 5, 2014 at 10:26 PM, Michel Dänzer <michel at daenzer.net> wrote:
>> Does setting the environment variable EGL_DRIVER=egl_dri2 work around
>> this problem?
> It has no effect on the behavior.  The Xorg.0.log is the same, and the
> debug output looks like (with non-EGL lines redacted):
> libEGL debug: Native platform type: drm (autodetected)
> libEGL debug: ignore EGL_DRIVERS_PATH for setuid/setgid binaries
> libEGL debug: EGL search path is /usr/lib/x86_64-linux-gnu/egl
> libEGL debug: added egl_dri2 to module array
> libEGL debug: EGL user error 0x3001 (EGL_NOT_INITIALIZED) in eglInitialize

Hmm, my best guess is that dri2_initialize_drm() fails, but I'm not sure

Did installing the *-dbg packages cause any other packages to be removed
/ upgraded / installed?

Earthling Michel Dänzer            |                  http://www.amd.com
Libre software enthusiast          |                Mesa and X developer

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