2014-05-20 12:56 GMT+02:00 Jonathan Gray <[email protected]>: > On Tue, May 20, 2014 at 10:05:07AM +0200, [email protected] wrote: >> >Synopsis: Intel HD Graphics 4000, only one monitor detected >> >Category: >> >Environment: >> System : OpenBSD 5.5 >> Details : OpenBSD 5.5-current (GENERIC.MP) #136: Mon May 19 >> 09:40:42 MDT 2014 >> >> [email protected]:/usr/src/sys/arch/amd64/compile/GENERIC.MP >> >> Architecture: OpenBSD.amd64 >> Machine : amd64 >> >Description: >> I have two identical monitors connected to my Intel HD Graphics 4000 >> on DisplayPort and HDMI respectively. Usually there was no problem >> detecting them both and split my desktop across both monitors. But >> somewhere between >> OpenBSD 5.5-beta (GENERIC.MP) #284: Mon Feb 3 07:57:32 MST 2014 >> and >> OpenBSD 5.5-beta (GENERIC.MP) #287: Fri Feb 7 11:45:09 MST 2014 >> something happened. The monitor on HDMI is mirroring the DisplayPort >> and it is not detected properly by xrand. >> >> After doing xrandr --auto the monitor on HDMI turns black and is not >> detected at all by xrand. > > That is around the timeframe of the xf86-video-intel update to > 2.99.909 from 2.20.19. Currently we have 2.99.910. > > I don't see any likely commits in the kernel around that timeframe. > > 2.99.911 has since been released > http://lists.freedesktop.org/archives/xorg/2014-March/056491.html > > When I get a chance I'll test it here and send you a patch to see > if that changes anything.
Thanks for taking your time. What I forgot to mention in the OP was that this bug has also been discussed on tech@ http://marc.info/?l=openbsd-tech&m=139236561529551&w=2
