Public bug reported:
After upgrading to 12.04, the display become so garbled as to be
unusable. I have to append the boot parameter "nomodeset" which
apparently disables nouveau completely, so graphics are unaccelerated.
This also happened with a LiveCD, which means Ubuntu does not work "out
of box" with this old machine, an Acer Aspire 1705SMi.
After GRUB and without nomodeset, the screen goes blank (dpms mode 3)
for about 35 seconds before returning in unreadable-multi-colour-oil-
slick form. I'm not sure if the problem is with the xserver driver or
the kernel nouveau module, which seems incredibly outdated (I saw a 3
year old build date in a log?!) in the latest Ubuntu.
Attaching dmesg and Xorg.0 (without nomodeset).
uname etc:
Linux galbadia 3.2.0-25-generic #40-Ubuntu SMP Wed May 23 20:33:05 UTC 2012
i686 i686 i386 GNU/Linux
DISTRIB_ID=Ubuntu
DISTRIB_RELEASE=12.04
DISTRIB_CODENAME=precise
DISTRIB_DESCRIPTION="Ubuntu 12.04 LTS"
relevant lspci:
01:00.0 VGA compatible controller [0300]: NVIDIA Corporation NV31M
[GeForce FX Go5600] [10de:031a] (rev a1)
package version:
xserver-xorg-video-nouveau:
Installed: 1:0.0.16+git20111201+b5534a1-1build2
Candidate: 1:0.0.16+git20111201+b5534a1-1build2
linux-image-3.2.0-25-generic:
Installed: 3.2.0-25.40
Candidate: 3.2.0-25.40
** Affects: xserver-xorg-video-nouveau (Ubuntu)
Importance: Undecided
Status: New
** Tags: precise regression-release
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https://bugs.launchpad.net/bugs/1014775
Title:
Completely garbled video in X with nouveau with NV31M (Geforce FX
Go5600)
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