Bug#420506: DRI fails

[Brice Goglin <Brice.Goglin@ens-lyon.org>]

Esteban Paz Freire wrote:
> libertade:~# LIBGL_DEBUG=verbose glxinfo 3>&1 > glxinfo.log
> libGL: XF86DRIGetClientDriverName: 1.8.0 i915 (screen 0)
> libGL: OpenDriver: trying /usr/lib/dri/i915_dri.so
> drmOpenDevice: node name is /dev/dri/card0
> drmOpenDevice: open result is 5, (OK)
> drmOpenByBusid: Searching for BusID pci:0000:00:02.0
> drmOpenDevice: node name is /dev/dri/card0
> drmOpenDevice: open result is 5, (OK)
> drmOpenByBusid: drmOpenMinor returns 5
> drmOpenByBusid: drmGetBusid reports pci:0000:00:02.0
> libGL error:
> Can't open configuration file /etc/drirc: No such file or directory.
> libGL error:
> Can't open configuration file /root/.drirc: No such file or directory.
> do_wait: drmWaitVBlank returned -1, IRQs don't seem to be working
> correctly.
> Try running with LIBGL_THROTTLE_REFRESH and LIBL_SYNC_REFRESH unset.
>   

Does the problem go away if you set the driconf setting vblank_mode
('Synchronization with vertical refresh (swap intervals)') to 0 ('Never
synchronize with vertical refresh, ignore application's choice')?

Brice