[Nouveau] [Bug 47790] sys-kernel/gentoo-sources-3.3.0 - black screen on second nouveau display

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=47790

--- Comment #5 from Emil Velikov <emil.l.velikov at gmail.com> 2012-03-25 04:48:04 UTC ---
A quick look indicates

* VGA switcheroo: detected Optimus DSM method \ handle
The above should not be relevant to your issue

* 0xE4DC: Parsing digital output script table
Most likely causing the problem


Would you mind attaching your vbios [1] and providing more information
regarding your display/setup
eg.
* Primary - connected via the VGA (card), DVI to VGA converter used - xxx
monitor
* Secondary ...

Have you tried booting with the secondary monitor only (unplug the primary) ?

Cheers
Emil

[1]
cat /sys/kernel/debug/dri/0/vbios.rom > vbios.rom 
Note: assuming that you have debugfs mounted on "/sys/kernel/debug"

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