[Nouveau] [Bug 28524] Debian Testing Kernel Upgrade Enables KMS, Disables External Monitor

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=28524

GilbertSullivan <whirlygig at comcast.net> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
           Severity|normal                      |major

--- Comment #2 from GilbertSullivan <whirlygig at comcast.net> 2010-06-14 17:15:06 PDT ---
Following upgrade of xserver-common and xserver-xorg-core from 2:1.7.7-1 to
2:1.7-2 on 06/14/2010 the ensuing reboot saw the external DVI-connected LCD on
the port replicator cease to function on both kernels, whether or not nouveau
was blacklisted. It was failing at loading gdm on the new kernel, and I got
dumped at tty2 with the text-graphics dialog asking whether or not I wanted to
see the xorg log. (I could not choose yes or no, and tty2 was sluggish and
non-responsive to keyboard input.) Switching to tty1 enabled me to log on and
make configuration changes.

Removed the "blacklist nouveau" entry from /etc/modprobe.d/blacklist.conf since
the port replicator and external monitor are useless for now.

Drivers now being shown by query:

$ grep -B2 'Module class: X.Org Video Driver' /var/log/Xorg.0.log

(II) Module nouveau: vendor="X.Org Foundation"
    compiled for 1.7.7, module version = 0.0.15
    Module class: X.Org Video Driver
--
(II) Module nv: vendor="X.Org Foundation"
    compiled for 1.7.7, module version = 2.1.17
    Module class: X.Org Video Driver
--
(II) Module vesa: vendor="X.Org Foundation"
    compiled for 1.7.7, module version = 2.3.0
    Module class: X.Org Video Driver

Video behavior of the system (sans port replicator and external monitor, of
course) is very much improved, with workspace switching and log off prompt
happening instantly -- even with Xfce desktop compositing enabled. (Those
switches in that configuration used to require several seconds.)

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