I am also having this problem ("failed to copy vbios to system memory"),
and I tried all four kernel options recommended above. It is worth
mention that I have a hybrid graphics system on my Sony Vaio Z series.
[code]
$ lspci|grep -i vga
00:02.0 VGA compatible controller: Intel Corporation Mobile 4 Series Chipset
Integrated Graphics Controller (rev 07)
01:00.0 VGA compatible controller: nVidia Corporation Unknown device 06e5 (rev
a1)
[/code]
Note, in my xorg.conf, when I want to test the nvidia, I switch identifiers.
The intel card seems to work fine.
[code]
Section "Device"
#Identifier "Mobile Intel Graphics Media Accelerator 4500M HD"
Identifier "Configured Video Device"
Driver "intel"
BusID "PCI:0:2:0"
#Option "XAANoOffscreenPixmaps"
EndSection
Section "Device"
Identifier "NVIDIA GeForce 9300M GS"
#Identifier "Configured Video Device"
Driver "nvidia"
BusID "PCI:1:0:0"
EndSection
[/code]
--
X fails to start with proprietary nvidia driver
https://bugs.launchpad.net/bugs/284715
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