Strangely changing the installed system to use the 'nouveau' Nvidia
driver does NOT fix the problem.
If it help I can try a fresh 24.04 install without initially installing
the propitiatory Nvidia driver.
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Bug occurs with released 24.04 where the kernel is 6.8.0-31-generic
Strangely the live version of 24.04 booted on same machine form the
released desktop ISO image does NOT have the problem with the same
kernel version.
The Precision 5520 had hybrid graphics with both integrated Intel (HD
P630)
alsa-info from a Dell Precision 5520
** Attachment added: "alsa-info.txt.1IMNEYShPL"
https://bugs.launchpad.net/ubuntu/+source/pipewire/+bug/2063150/+attachment/5770168/+files/alsa-info.txt.1IMNEYShPL
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Problem lies in the Intel kernel driver 'snd_soc_avs' which is becoming
active but fail to support the HDA sound hardware correctly.
Workaround is to blacklist 'snd_soc_avs'.
Problem is well know and seems to be already in Kernel 6.7. See for
example
Tested on Dell Precission 5520 with Ubuntu 18.04. This suffer from a
consistently high power usage in the Intel (Power saving) mode.
Proposed Packages install fine. After reboot switching Prime profile did
not seem applied with logout+login. Reboot was required. After a further
'apt upgrade'
One interesting data point is that if you go into the bluetooth menu
during the call and disconnect the device then the audio is correctly
routed. I suspect the fundamental problem is the same for blue headset
and speaker no be automatically routed when autoconnected.
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I think the non-existant firmware is not relevant for the older Intel
Chips such as GMA965. This firmware is only for the latest chips.
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As the problem report shows the system was upgraded, over many releases
originally from Ubuntu 12.04 LTS "Precise Pangolin" - Release amd64
The lastest 16.04 kernel did not have the problem. I guess that gives us two
bisection points.
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Attach Xorg.log for completeness although this does not show any
problems
** Attachment added: "Xorg.log"
https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1631719/+attachment/4757953/+files/Xorg.0.log
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Public bug reported:
Upgrades to Yakkety in feature freeze with kernel 4.8.0-21-generic.
System regularly hangs for 10 second intervals which is very noticeable in boot
process. Cause seems to be the Intel GMA965 DRM support causing regular kernel
warnings:
WARNING: CPU: 0 PID: 1183 at
Attached dmesg with complete kernel errors with stack traces
** Attachment added: "kernel dmesg"
https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1631719/+attachment/4757952/+files/dmesg.log
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