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Le 06/12/2013 18:41, Mikaël Urankar a écrit :
> Logs are available at :
> http://mikael.urankar.free.fr/FreeBSD/REDWOOD/dmesg_hw.dri.debug.7
> http://mikael.urankar.free.fr/FreeBSD/REDWOOD/xrandr_displayport
> http://mikael.urankar.free.fr/FreeBSD/REDWOOD/Xorg.0.log_displayport

Hello Mikaël!

Could try the following patch, please?
http://people.freebsd.org/~dumbbell/radeonkms/drm-radeon-dp-i2c-aux_ch-dont-return-recv_bytes.patch

-- 
Jean-Sébastien Pédron