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Message #55683
[Bug 544986] Re: ACPI: Error: Unable to find the DOS
** Description changed:
Curently using Ubuntu Karmic amd64, but preparing to upgrade to Lucid
shortly.
When connecting an external monitor to the analogue VGA port on the
laptop (Sony Vaio VGN-FE41Z) or the replicated port on the docking
station, the Nvidia driver adds a warning to the Xorg log:
(WW) NVIDIA(0): ACPI: Error: Unable to find the DOS (Enable/Disable output
(WW) NVIDIA(0): switching) file path under /proc/acpi/video. The NVIDIA X
(WW) NVIDIA(0): driver will not be able to respond to ACPI display change
(WW) NVIDIA(0): hotkey events.
I noticed bug #339558 reported the same for the 180 driver but the
original reporter never followed up.
lspci -nn | grep VGA
01:00.0 VGA compatible controller [0300]: nVidia Corporation G73 [GeForce Go 7600] [10de:0398] (rev a1)
+
+ apt-cache policy nvidia-glx-185
+ nvidia-glx-185:
+ Installed: 185.18.36-0ubuntu9
+ Candidate: 185.18.36-0ubuntu9
+ Version table:
+ *** 185.18.36-0ubuntu9 0
+ 500 http://gb.archive.ubuntu.com karmic/restricted Packages
+ 100 /var/lib/dpkg/status
--
ACPI: Error: Unable to find the DOS
https://bugs.launchpad.net/bugs/544986
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which is subscribed to nvidia-graphics-drivers-180 in ubuntu.
References