[Bug 29255] DisplayPort output distorted

bugzilla-daemon at freedesktop.org bugzilla-daemon at freedesktop.org
Mon Jul 26 22:57:35 PDT 2010


https://bugs.freedesktop.org/show_bug.cgi?id=29255

--- Comment #5 from Andreas Demmer <mail at andreas-demmer.de> 2010-07-26 22:57:35 PDT ---
I attached both dmesg output and Xorg logfile. Since my system comes with
hybrid graphics, I have blacklisted the radeon driver in order to see the
console (and hot have radeon and i915 conflicting each other). Then I booted
this way:

1. plug external monitor (to make sure it's not a hotplug issue)
2. turn system on, boot to runlevel 3
3. load radeon module
4. use vga_switcheroo to switch to ATI card
5. turn Intel card off
6. switch to runlevel 5 and start X

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