Thanks Amadeusz, Now, who has to do what ? I assume many users will be affected ! Regards, Christian On Thu, 2020-12-31 at 12:20 +0100, Amadeusz Sławiński wrote: > On 12/31/2020 11:50 AM, Christian Labisch wrote: > > Hi Lars-Peter, > > > > Thank you, please find attached the requested information from both kernels. > > I freshly installed the fedora kernel 5.10.4 to give you the latest results. > > > > Regards, > > Christian > > > > Christian Labisch > > Red Hat Accelerator > > clnetbox.blogspot.com > > access.redhat.com/community > > access.redhat.com/accelerators > > > > > > On Thu, 2020-12-31 at 11:04 +0100, Lars-Peter Clausen wrote: > > > On 12/31/20 9:33 AM, Greg Kroah-Hartman wrote: > > > > On Wed, Dec 30, 2020 at 07:10:16PM +0100, Christian Labisch wrote: > > > > > Update : > > > > > > > > > > I've just tested the kernel 5.10.4 from ELRepo. > > > > > Unfortunately nothing changed - still no sound. > > > > Ah, sad. Can you run 'git bisect' between 5.9 and 5.10 to determine the > > > > commit that caused the problem? > > > > > > The problem is that one driver was replaced with another driver. git > > > bisect wont really help to narrow down why the new driver does not work. > > > > > > Christian can you run the alsa-info.sh[1] script on your system and send > > > back the result? > > > > > > You say sound is not working, can you clarify that a bit? Is no sound > > > card registered? Is it registered but output stays silent? > > > > > > - Lars > > > > > > [1] https://www.alsa-project.org/wiki/AlsaInfo > > > <https://www.alsa-project.org/wiki/AlsaInfo> > > > > > > > > Hi, > > from reading provided files it seems that you use snd_intel_hda driver, > it should be possible to git bisect it between 5.9 and 5.10 as it wasn't > replaced. > > Catpt driver is used on machines using DSP. > > Amadeusz