Bug#856355: nvidia-driver: no longer works

[Luca Boccassi]

Control: tags -1 moreinfo

On Tue, 2017-02-28 at 13:52 +0100, Vincent Lefevre wrote:
> On 2017-02-28 13:31:41 +0100, Vincent Lefevre wrote:
> > Package: nvidia-driver
> > Version: 375.39-1
> > Severity: grave
> > Justification: renders package unusable
> > 
> > X no longer works with the NVIDIA driver. I get in the X logs:
> > 
> >   NVIDIA: Failed to initialize the NVIDIA kernel module. Please see the
> >   NVIDIA:     system's kernel log for additional error messages and
> >   NVIDIA:     consult the NVIDIA README for details.
> 
> Actually the problem comes before, during the boot. There seems to be an
> issue with the latest kernel.

> > There wasn't any problem with the previous version.
> 
> Reverting to 375.26-2 solves the problem.

> Feb 28 13:13:14 zira kernel: nvidia: disagrees about version of symbol
module_layout

This usually means the out-of-tree module and the kernel have a
different idea regarding the ABI.
The latest kernel update didn't bump the ABI version, but I think there
were some changes, and this might be the cause

Please try to reinstall the latest version of the driver and report
back, and they should work.

Next time, use dkms to remove the module and rebuild it:

sudo dkms remove nvidia-current/3xx.xx -k x.y.z
sudo dkms install nvidia-currentx/3xx.xx -k x.y.z

Kind regards,
Luca Boccassi
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