[Nouveau] [Bug 27455] dualhead not working, second display always black

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=27455

--- Comment #1 from Francisco Jerez <currojerez at riseup.net> 2010-04-05 05:38:51 PDT ---
It would be useful if you grabbed a couple of register dumps (using this
program:[1]. Note that it depends on libpciaccess). The best would be if you
got me one from nouveau and another one from the blob, both using the same
outputs and same resolutions.

After turning the VGA output on (using xrandr with nouveau or
nvidia-settings+twinview with the blob), you just need to type:
# ./tvdump > dump.txt

Thanks.

[1] http://cgit.freedesktop.org/~currojerez/tvdump

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