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libvdpau_nouveau.so missing re: Fedora 28

asked 2018-10-29 13:07:57 -0500

SpaceInvaders gravatar image

I just installed Fedora 28. I have not installed the nVidia proprietary drivers. I'm running the nouveau drivers.

I have also installed vlc and I am trying to get hw acceleration to work. Currently I get the message:

Failed to open VDPAU backend libvdpau_nouveau.so: cannot open shared object file: No such file or directory

I verified. It's not there or, at the very least, I can't find it. I tried /usr/lib64 and find.

The more I research this the move confused I become. Am I experiencing this problem because this lib is only provided with the nVidia proprietary drivers (which, again, I am not using). If proprietary drivers are required for hw accel I will install them.

I found a reference stating libvdpau_nouveau.so used to be provided in mesa-vdpau (but it seems to have been removed, recently).

Any pointers would sincerely be appreciated. Thanks!

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/usr/lib64/vdpau/libvdpau_nouveau.so.1 is provided by mesa-vdpau-drivers, so perhaps

ln -s libvdpau_nouveau.so.1 /usr/lib64/vdpau/libvdpau_nouveau.so

might work. If it does, file a bug report.

villykruse gravatar imagevillykruse ( 2018-10-30 04:17:24 -0500 )edit

There is a related bug report: https://bugzilla.redhat.com/show_bug....

genodeftest gravatar imagegenodeftest ( 2018-11-04 06:32:24 -0500 )edit

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answered 2018-10-30 11:45:59 -0500

SpaceInvaders gravatar image

That moved me forward, significantly. FYI and FWIW I am using:

01:00.0 VGA compatible controller [0300]: NVIDIA Corporation GP107 [GeForce GTX 1050 Ti] [10de:1c82] (rev a1)

which is on the nouveau TODO list. Your answer got me past the spot where I was stuck. I am leery of bug-reporting it given it falls under the TODO list. I've run this out as far as I can given support just doesn't exist atm. I'm switching to the proprietary drivers where things will work.

Thank you very much, villykruse!

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If you don't report a bug, it may never be fixed. Even if it is already being fixed , it shows the developers that someone cares.

villykruse gravatar imagevillykruse ( 2018-10-30 13:55:37 -0500 )edit

I'm not sure where you are going with this other than a general marketing statement with which I agree. I was not receiving an error. I went to #nouveau on IRC to ask about reporting a bug. I was told VA is a known issue (which I referred to somewhat tongue-in-cheek as the "TODO list", above) and use the proprietary drivers. In the past when I've run up against "TODO list" items like this (e.g. bluetooth) and took the time to bug-report it was either a duplicate or part of another known issue.

SpaceInvaders gravatar imageSpaceInvaders ( 2018-10-31 11:02:56 -0500 )edit

If

ln -s libvdpau_nouveau.so.1 /usr/lib64/vdpau/libvdpau_nouveau.so

solves a problem, then it is a bug to be reported against the fedora package mesa-vdpau-drivers.

villykruse gravatar imagevillykruse ( 2018-10-31 11:30:40 -0500 )edit

OK, got it! It did eliminate the error. It definitely didn't solve the problem.

SpaceInvaders gravatar imageSpaceInvaders ( 2018-10-31 18:19:07 -0500 )edit

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Asked: 2018-10-29 13:07:57 -0500

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Last updated: Oct 30 '18