Hello
I would like to join to this issue, because I am also experiencing pulse
sound problem since 4.4.0-128 kernel
4.4.0-128 + amd64-microcode:amd64 3.20180524.1 made my sound card disappeared
at all
I revert to previous amd64-microcode 2.20160316.1 and 4.4.0-127 and got my
sound card and sound back
Then I tried 4.4.0-130, 4.4.0-131 with amd64-microcode 2.20160316.1, the
result is sound does exist, card does exist, but I can not change the
volume via pavucontrol. It always the same level
I use Xubuntu 16.04
Lenovo Thinkpad T480
Intel processor i7
lspci:
00:1f.3 Audio device: Intel Corporation Device 9d71 (rev 21)
Subsystem: Lenovo Device 225d
...
Kernel driver in use: snd_hda_intel
Kernel modules: snd_hda_intel
I do not have any problem only with 4.4.0-127 + amd64-microcode 2.20160316.1
And do not have any ideas why amd64-microcode affects on my intel system
Thank you
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https://bugs.launchpad.net/bugs/1777345
Title:
Sound card not working in Ubuntu new kernel version except reinstall
some packages
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