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Old 11-16-2010, 12:00 PM   #1
mlh122
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"nouveau" error after latest Ubuntu upgrade


I foolishly let the Ubuntu update program do an upgrade to the latest version on my system, now I get the following error:

nouveau Error allocating scanout buffer: -12
Fatal server error: AddScreen/ScreenInit failed for driver0

and it lets me boot into low graphics mode. I did some searching and one suggestion was to rename xorg.conf and let it be rebuilt but I do not have an xorg.conf. I have an xorg.conf.failsafe in /etc, and an xorg.conf.d directory under /usr/lib/X11 but that's it.

any ideas? also here is an lspci as I've seen a lot of threads where that is asked for:

00:00.0 Host bridge: Intel Corporation 82845 845 [Brookdale] Chipset Host Bridge (rev 03)
00:01.0 PCI bridge: Intel Corporation 82845 845 [Brookdale] Chipset AGP Bridge (rev 03)
00:1e.0 PCI bridge: Intel Corporation 82801 PCI Bridge (rev 12)
00:1f.0 ISA bridge: Intel Corporation 82801BA ISA Bridge (LPC) (rev 12)
00:1f.1 IDE interface: Intel Corporation 82801BA IDE U100 Controller (rev 12)
00:1f.2 USB Controller: Intel Corporation 82801BA/BAM USB Controller #1 (rev 12)
00:1f.5 Multimedia audio controller: Intel Corporation 82801BA/BAM AC'97 Audio Controller (rev 12)
01:00.0 VGA compatible controller: nVidia Corporation NV6 [Vanta/Vanta LT] (rev 15)
02:08.0 Ethernet controller: Intel Corporation 82801BA/BAM/CA/CAM Ethernet Controller (rev 03)
 
Old 11-17-2010, 03:09 PM   #2
Drakeo
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so boot into maintenance mode and run the display or xorg what ever ubuntu does. This will install the nvidia proprietary driver and place a new line on your /etc/modprobe.d/blacklist file blacklist nouveau
 
Old 11-18-2010, 11:29 AM   #3
mlh122
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That sounds like it could work, how do I boot into maintenance mode and run the Xorg?
 
Old 11-18-2010, 11:42 AM   #4
linus72
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alright, check this out

at your grub boot menu, hit "e" to edit your ubuntu entry, remove "vga= quiet splash --"
insert "text", then hit cntrl-x to boot
login as user, then do sudo su + password

then edit /etc/modprobe.d/blacklist-framebuffer.conf
and add "blacklist nouveau"
now update the initrd so it adds the new .conf to the initrd

update-initramfs -u -v -k all

reboot, then you should be able to get to X and install nvidia driver
or use the boot option "xforcevesa" to load the vesa module if all else fails
 
Old 11-18-2010, 01:08 PM   #5
Drakeo
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at the boot press Esc button now use your arrow down key to select maintenance now boot.
 
Old 11-19-2010, 11:53 AM   #6
mlh122
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Quote:
Originally Posted by linus72 View Post
alright, check this out

at your grub boot menu, hit "e" to edit your ubuntu entry, remove "vga= quiet splash --"
insert "text", then hit cntrl-x to boot
login as user, then do sudo su + password

then edit /etc/modprobe.d/blacklist-framebuffer.conf
and add "blacklist nouveau"
now update the initrd so it adds the new .conf to the initrd

update-initramfs -u -v -k all

reboot, then you should be able to get to X and install nvidia driver
or use the boot option "xforcevesa" to load the vesa module if all else fails
This made it just get stuck in command line mode, the error log said GDM failed to start too many times. I removed the blacklist command and re-ran the initramfs command and I was able to get back into X in low-graphics mode? any other ideas?
 
Old 11-19-2010, 09:22 PM   #7
Drakeo
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I will let you know UBUNTU when you install the proprietary nvida driver during recovery mode start up the post install script handles the blacklist and the grub2. at boot you go to grub push the Esc key then toggle down to recovery mode then go to display set up and install the proprietary driver.

Last edited by Drakeo; 11-19-2010 at 09:30 PM.
 
  


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