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Nvidia 340 driver bug

Le 03/06/2018 à 20:47, floris a écrit :
> Pétùr schreef op 2018-06-02 17:46:
>>> This is a bug in the nvidia driver module. There is not much you can do
>>> until it is fixed upstream.
>> Thanks!
>> I would like to use the nouveau driver waiting for the fix.
>> However I an unable to boot X with the nouveau driver.
>> I did:
>> # apt-get purge nvidia.
>> # apt-get install --reinstall xserver-xorg xserver-xorg-video-nouveau
>> # reboot
>> I have no xorg.conf.
>> $ startx
>> says:
>> XF86EnableIOPorts: failed to set IOPL for I/O (Operation not permitted)
> Did you also removed the NVidia symlinks? I'm not sure if they are
> removed when you purge the NVidia packages.
> Try:
> sudo update-glx --config glx
> If there are any options choose mesa
> and rebuild initramfs with:
> sudo update-initramfs -u

Thanks for the idea.

In fact, there is a bug with xorg-server-1.20.0 and the "compositor" of

See this bug report and message:



For the ones affected, if X doesn't start, you have to downgrade
xserver-xorg-core and xserver-org-video-nouveau (apt install
xserver-xorg-core/testing xserver-xorg-video-nouveau/testing), then you
can start X and uncheck the compositor activation check in Xfce. After
that, you can upgrade back the package and reboot.


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