Public bug reported:
On Ubuntu 20.04, running kernel 5.4.0-40-generic, the internal speakers,
headphone jack, and mic do not work at all. No audio devices appear in
the Sound settings or in pavucontrol. By appending options snd_hda_intel
dmic_detect=0 to /etc/modprobe.d/alsa-base.conf, I can get a
** Description changed:
On Ubuntu 20.04, running kernel 5.4.0-40-generic, the internal speakers,
headphone jack, and mic do not work at all. No audio devices appear in
the Sound settings or in pavucontrol. By appending options snd_hda_intel
dmic_detect=0 to /etc/modprobe.d/alsa-base.conf,
** Summary changed:
- Kernel Regression causes laptop internal audio devices to fail to load w/o
unacceptable workaround
+ Kernel Regression between 5.4.0-26 and 5.4.0-40 causes laptop internal audio
devices to fail to load w/o unacceptable workaround
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Title:
[Ubuntu 20.04] LPAR crashes in block layer under high stress. Mig
apport information
** Attachment added: "CRDA.txt"
https://bugs.launchpad.net/bugs/1886341/+attachment/5390880/+files/CRDA.txt
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Ti
apport information
** Description changed:
On Ubuntu 20.04, running kernel 5.4.0-40-generic, the internal speakers,
headphone jack, and mic do not work at all. No audio devices appear in
the Sound settings or in pavucontrol. By appending options snd_hda_intel
dmic_detect=0 to /etc/modprob
apport information
** Attachment added: "ProcCpuinfoMinimal.txt"
https://bugs.launchpad.net/bugs/1886341/+attachment/5390889/+files/ProcCpuinfoMinimal.txt
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apport information
** Attachment added: "Lspci.txt"
https://bugs.launchpad.net/bugs/1886341/+attachment/5390883/+files/Lspci.txt
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apport information
** Attachment added: "Lsusb-v.txt"
https://bugs.launchpad.net/bugs/1886341/+attachment/5390887/+files/Lsusb-v.txt
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apport information
** Attachment added: "Lsusb-t.txt"
https://bugs.launchpad.net/bugs/1886341/+attachment/5390886/+files/Lsusb-t.txt
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apport information
** Attachment added: "IwConfig.txt"
https://bugs.launchpad.net/bugs/1886341/+attachment/5390882/+files/IwConfig.txt
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apport information
** Attachment added: "ProcCpuinfo.txt"
https://bugs.launchpad.net/bugs/1886341/+attachment/5390888/+files/ProcCpuinfo.txt
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apport information
** Attachment added: "ProcInterrupts.txt"
https://bugs.launchpad.net/bugs/1886341/+attachment/5390890/+files/ProcInterrupts.txt
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apport information
** Attachment added: "Lspci-vt.txt"
https://bugs.launchpad.net/bugs/1886341/+attachment/5390884/+files/Lspci-vt.txt
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apport information
** Attachment added: "ProcModules.txt"
https://bugs.launchpad.net/bugs/1886341/+attachment/5390891/+files/ProcModules.txt
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apport information
** Attachment added: "PulseList.txt"
https://bugs.launchpad.net/bugs/1886341/+attachment/5390892/+files/PulseList.txt
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apport information
** Attachment added: "CurrentDmesg.txt"
https://bugs.launchpad.net/bugs/1886341/+attachment/5390881/+files/CurrentDmesg.txt
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apport information
** Attachment added: "Lsusb.txt"
https://bugs.launchpad.net/bugs/1886341/+attachment/5390885/+files/Lsusb.txt
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apport information
** Attachment added: "RfKill.txt"
https://bugs.launchpad.net/bugs/1886341/+attachment/5390893/+files/RfKill.txt
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apport information
** Attachment added: "WifiSyslog.txt"
https://bugs.launchpad.net/bugs/1886341/+attachment/5390895/+files/WifiSyslog.txt
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Here are the logs w/o workaround. Please let me know if you need
anything else.
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Title:
Kernel Regression between 5.4.0-26 and 5.4.0
apport information
** Attachment added: "UdevDb.txt"
https://bugs.launchpad.net/bugs/1886341/+attachment/5390894/+files/UdevDb.txt
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I will do the same as well
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Title:
Kernel Regression between 5.4.0-26 and 5.4.0-40 causes laptop internal
audio devices to fail to
@gogolink
try turning off secure boot
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Title:
Kernel Regression between 5.4.0-26 and 5.4.0-40 causes laptop internal
audio devices
The 5.6-0 OEM was the earliest version of the kernel I could get working
as well.
Interestingly enough,this kernel seems to exhibit a seperate bug, but I
will file that one seperatly.
Here are the apport logs.
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apport information
** Attachment added: "AlsaInfo.txt"
https://bugs.launchpad.net/bugs/1886341/+attachment/5391441/+files/AlsaInfo.txt
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Also the bug in question doesn't actually exist
** Description changed:
On Ubuntu 20.04, running kernel 5.4.0-40-generic, the internal speakers,
headphone jack, and mic do not work at all. No audio devices appear in
the Sound settings or in pavucontrol. By appending options snd_hda_intel
apport information
** Attachment added: "IwConfig.txt"
https://bugs.launchpad.net/bugs/1886341/+attachment/5391444/+files/IwConfig.txt
** Description changed:
On Ubuntu 20.04, running kernel 5.4.0-40-generic, the internal speakers,
headphone jack, and mic do not work at all. No audio dev
apport information
** Attachment added: "CurrentDmesg.txt"
https://bugs.launchpad.net/bugs/1886341/+attachment/5391443/+files/CurrentDmesg.txt
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apport information
** Attachment added: "AlsaInfo.txt"
https://bugs.launchpad.net/bugs/1886341/+attachment/5391446/+files/AlsaInfo.txt
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apport information
** Attachment added: "CRDA.txt"
https://bugs.launchpad.net/bugs/1886341/+attachment/5391442/+files/CRDA.txt
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Ti
apport information
** Attachment added: "Lsusb-t.txt"
https://bugs.launchpad.net/bugs/1886341/+attachment/5391453/+files/Lsusb-t.txt
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apport information
** Attachment added: "IwConfig.txt"
https://bugs.launchpad.net/bugs/1886341/+attachment/5391449/+files/IwConfig.txt
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apport information
** Attachment added: "ProcModules.txt"
https://bugs.launchpad.net/bugs/1886341/+attachment/5391458/+files/ProcModules.txt
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apport information
** Attachment added: "Lspci-vt.txt"
https://bugs.launchpad.net/bugs/1886341/+attachment/5391451/+files/Lspci-vt.txt
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apport information
** Attachment added: "CurrentDmesg.txt"
https://bugs.launchpad.net/bugs/1886341/+attachment/5391448/+files/CurrentDmesg.txt
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apport information
** Attachment added: "ProcCpuinfo.txt"
https://bugs.launchpad.net/bugs/1886341/+attachment/5391455/+files/ProcCpuinfo.txt
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apport information
** Attachment added: "Lspci.txt"
https://bugs.launchpad.net/bugs/1886341/+attachment/5391450/+files/Lspci.txt
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apport information
** Attachment added: "UdevDb.txt"
https://bugs.launchpad.net/bugs/1886341/+attachment/5391461/+files/UdevDb.txt
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apport information
** Attachment added: "CRDA.txt"
https://bugs.launchpad.net/bugs/1886341/+attachment/5391447/+files/CRDA.txt
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apport information
** Attachment added: "WifiSyslog.txt"
https://bugs.launchpad.net/bugs/1886341/+attachment/5391462/+files/WifiSyslog.txt
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apport information
** Attachment added: "PulseList.txt"
https://bugs.launchpad.net/bugs/1886341/+attachment/5391459/+files/PulseList.txt
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apport information
** Attachment added: "Lsusb.txt"
https://bugs.launchpad.net/bugs/1886341/+attachment/5391452/+files/Lsusb.txt
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apport information
** Attachment added: "ProcCpuinfoMinimal.txt"
https://bugs.launchpad.net/bugs/1886341/+attachment/5391456/+files/ProcCpuinfoMinimal.txt
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apport information
** Attachment added: "ProcInterrupts.txt"
https://bugs.launchpad.net/bugs/1886341/+attachment/5391457/+files/ProcInterrupts.txt
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apport information
** Attachment added: "RfKill.txt"
https://bugs.launchpad.net/bugs/1886341/+attachment/5391460/+files/RfKill.txt
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apport information
** Attachment added: "Lsusb-v.txt"
https://bugs.launchpad.net/bugs/1886341/+attachment/5391454/+files/Lsusb-v.txt
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Well, previously on mint as well as the Ubuntu liveimage, fans would run
at medium to high speed constantly despite running in gpu rendering mode
and no visible cpu strain. The air coming out of the vents would be cold
as well.
When i booted 5.6.0, the fans ran fast for a minute or so after boot,
I will investigate when I have some time, hopefully later today.
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Title:
Kernel Regression between 5.4.0-26 and 5.4.0-40 causes lapt
It actually didn't work for me, but that is likely because i did not
load linux-modules-extra. THe download link for the deb keeps failing,
but I'll try again tomorrow. So please disregard until then.
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I am pleased to report your patched kernel works for me as well.
Excellent work!
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Title:
Kernel Regression between 5.4.0-26 and 5.4
Where can I check to see when this fix has been pushed out as part of an
Ubuntu update?
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Title:
Kernel Regression between 5.4.0-26 a
I am not certain the kernel is the cause, I just noticed the bug
manifested when I updated. I will upload apport logs. I don't actually
believe it is a kernel bug, because PA works properly on the login
screen and only fails after login.
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After updating again, the bug is gone. I will be closing the bug report
** Changed in: linux (Ubuntu)
Status: Incomplete => Invalid
** Changed in: alsa-driver (Ubuntu)
Status: Incomplete => Invalid
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** Tags removed: verification-needed-focal
** Tags added: verification-done-focal
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Title:
Kernel Regression between 5.4.0-26 and 5.4
. After the latest one, I
looked at the syslog file and found what appears to be a kernel bug
report.
May 5 18:06:03 corbin-goul kernel: [ 4650.769677] BUG: unable to handle
kernel NULL pointer dereference at 0008
May 5 18:06:03 corbin-goul kernel: [ 4650.769694] IP: rm_hole
Public bug reported:
System started freezing up a couple days ago. After the latest one, I
looked at the syslog file and found what appears to be a kernel bug
report.
May 5 18:06:03 corbin-goul kernel: [ 4650.769677] BUG: unable to handle kernel
NULL pointer dereference at 0008
what appears to be a kernel bug
report.
May 5 18:06:03 corbin-goul kernel: [ 4650.769677] BUG: unable to handle
kernel NULL pointer dereference at 0008
May 5 18:06:03 corbin-goul kernel: [ 4650.769694] IP: rm_hole+0x19/0x70 [drm]
May 5 18:06:03 corbin-goul kernel
I have the same problem. My ask ubuntu question was linked here.
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Title:
wlp3s0: failed to remove key (1, ff:ff:ff:ff:ff:ff) from ha
kernel-unable-to-test-upstream
Attempted to install the 3.14.0-rc6 and fglrx messages appeared. (fglrx
make.log attached)
ran sudo update-grub and the 3.14.0 kernel is found, but not added to list of
kernels at boot. I cannot test.
...
run-parts: executing /etc/kernel/postinst.d/dkms 3.14.0-03
** Tags added: kernel-unable-to-test-upstream
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Title:
[System manufacturer System Product Name] suspend/resume failure [non-
free:
Public bug reported:
Activated Suspend and it never completed.
ProblemType: KernelOops
DistroRelease: Ubuntu 14.04
Package: linux-image-3.13.0-16-generic 3.13.0-16.36
ProcVersionSignature: Ubuntu 3.13.0-16.36-generic 3.13.5
Uname: Linux 3.13.0-16-generic x86_64
NonfreeKernelModules: fglrx
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