Update : I've just tested the kernel 5.10.4 from ELRepo. Unfortunately nothing changed - still no sound. Regards, Christian > Thank you Greg, > > I am running Fedora 33 with kernel 5.9.16, which works correctly. > All stable 5.10 versions up to 5.10.3 are having the sound issue. > Once 5.10.4 will be available on koji I'm gonna test if it works. > > Thanks again ! > > Regards, > Christian > > On Wed, 2020-12-30 at 16:36 +0100, Greg KH wrote: > > On Wed, Dec 30, 2020 at 04:26:00PM +0100, Christian Labisch wrote: > > > Hello ! > > > > > > I could need your help ... I have tested the new kernel 5.10.3 and sound doesn't work with > > > this > > > version. > > > Seems the new Intel audio drivers are the main reason. What can be done ? Do you have any > > > ideas > > > ? > > > > > > Intel Catpt driver support is new ... This deprecates the previous Haswell SoC audio driver > > > code > > > previously providing the audio capabilities. > > > And I am having a Haswell CPU -> Audio device: Intel Corporation Xeon E3-1200 v3/4th Gen Core > > > Processor HD Audio Controller (rev 06) > > > > Can you try 5.10.4? I think a fix for this is in there as was reported > > by another user yesterday. > > > > If not, can you run 'git bisect' on the kernels between the last good > > one that worked for you, and the one that doesn't? > > > > thanks, > > > > greg k-h >