nvidia 304 and fc23: black screens after updating today

[John Pilkington]

On 11/10/16 21:21, Nicolas Chauvet wrote:
> 2016-10-11 1:00 GMT+02:00 John Pilkington <J.Pilk at tesco.net>:
>> This is the same system that had nvidia problems during its fc22 > fc23
>> upgrade.  That was reported here and solved on 30 June.  Since then it has
>> been working well, but after installing the new packages today I get black
>> screens with kernels 4.7.3, 4.7.5 and 4.7.6
>>
>> 'dnf downgrade xorg-x11-drv-nvidia-304xx --allowerasing' apparently
>> completed but then akmods-shutdown errored.  After re-upgrading,
>> akmods-shutdown completed, and the nvidia flash screen flashes, but then all
>> goes black again, for all installed kernels.  I'm using tty2.
>
> We have seen such error and have moved the update back into
> updates-testing for now.
> Best is to debug using ssh remotly we'd like to have a full
> nvidia-bug-report.sh to send to nvidia support forum
>
> Hopefully there will be a new updated package from nvidia, we will
> need testers at that time..
>
> Thx for your report.
>
>
>
I have been trying to get nouveau working, so far without success.  But 
I've also looked at the builds from scrpms, in which dnf reports 
conflicts between the libvdpau_nvidia.so and .so.1 files from the 304 
and 340 lib packages, which are both required.  ISTR something similar 
in atrpms long ago.