My machine is a Dell XPS 9700, happy to provide hardware info or any
other details you may be interested in. With -20 kernel audio and 4k
support is both broken. Audio behaves exactly like with unpatched -16 or
-17 kernels, only "dummy output" is present no onboard input/outputs are
visible.
I went ahead and tested 5.11.0-19 and 5.11.0.20, neither of them works.
5.11.0-19 does not boot to GUI at all, 5.11.0-20 has no audio and
touchpad broken.
I'm currently on a self-built 5.11.0-17 where the only change is the two
soundwire configs and this works amazing. What has happened to -19
~mesouug I've tested my XPS 9700 on the self-compiled ubuntu kernel, and
it works great with a 4-pin plug, even the microphone input of the
headset is fully functional. There may be hardware differences within
the XPS 9700 line as well, but the driver must be fully functional for
at least some of
Haven't try the headset microphone input, but I believe it may be a
separate bug cause i've seen error reports for that on 20.04/20.10
versions with DKMS drivees. I'll try the headset input as soon as I get
my hands on a 4-wire headset and check the status on my machine.
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You received this bug
I believe that this bug for 21.04 is the same as
https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1924685 and the
root cause is the misconfiguration of kernel flags.
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You received this bug notification because you are a member of Kernel
Packages, which is subscribed to linux in Ubuntu.
I'm affected by this bug, and I can confirm that the root cause is a
misconfiguration of kernel flags as described in this mailing list:
https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=976791#35
I've used the ubuntu wiki Build Your Own kernel guide
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