[Bug 51983] [ivb DVI fdi link train fail] Multiple Displays not working on Core i7 3770S
bugzilla-daemon at freedesktop.org
bugzilla-daemon at freedesktop.org
Sat Jun 21 19:08:07 PDT 2014
https://bugs.freedesktop.org/show_bug.cgi?id=51983
--- Comment #33 from Rodney Dawes <dobey.pwns at gmail.com> ---
This is still an issue as of 2014-06-20 on 3.13.0-29-generic in Ubuntu 14.04,
however I have now upgraded to a single 4K monitor and a Haswell CPU, so I
won't be able to test any further possible fixes for this issue.
One thing of note though, is that when X came up on 3.13.0-29, the second
monitor did display the correct content for a few hundred milliseconds. The
image would flash in and then away very quickly, as the screen turned to a
giant solid colored area.
Running "xrandr --output HDMI1 --crtc 0 --output HDMI3 --crtc 2 --right-of
HDMI1" on log-in did make the second screen usable again.
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