Public bug reported:
[Impact]
[Fix]
[Test]
[Regression Potential]
** Affects: linux (Ubuntu)
Importance: Undecided
Status: Invalid
** Affects: linux (Ubuntu Focal)
Importance: Undecided
Assignee: AceLan Kao (acelankao)
Status: In Progress
** Also affects:
** Tags added: originate-from-1894089 somerville
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Title:
Fullscreen windows are tearing in Xorg sessions
Public bug reported:
The Pixel Slate/nocturne backlight does not work due to DPCD logic not
identifying the DPCD backlight connection since there is no PWM on the
nocturne or eve devices.
ChromeOS documentation of disconnected PWM: https://chromium-
** Description changed:
[Impact]
+ Plug-in thunderbolt external monitor, and then plug-in thunderbolt external
Hard drive on the external monitor, it sometimes can't detect the TBT storage.
[Fix]
+ Retry tb_drom_read_n() when failed fixes this issue.
[Test]
+ Verified on Dell
** Tags added: patch
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Title:
Backlight adjustment doesn't work on Google Pixel Slate
Status in linux package in Ubuntu:
Hi! Thank you guys for the thread and hardwork.
I am using Ubuntu 20.04 on Lenovo Yoga Slim 7 (14IIL05). The touchpad
was not detected initially, so I installed Kai's kernel
https://people.canonical.com/~khfeng/lp1853277-final/ and now it worked,
but the downside is, my NVIDIA graphic card is not
commit f022ff7bf377ca94367be05de61277934d42ea74
Author: Mika Westerberg
Date: Mon Sep 7 12:20:36 2020 +0300
thunderbolt: Retry DROM read once if parsing fails
Kai-Heng reported that sometimes DROM parsing of ASUS PA27AC Thunderbolt 3
monitor fails. This makes the driver to
For some time now I thought the issue is related to the storage for few months
now.
I currently have a system with -113 kernel and btrfs running for over 30 days
but other systems with this kernel had issues. In other hand - previous kernels
had issues (since 106 or so)
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** Changed in: linux (Ubuntu)
Status: New => Confirmed
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Title:
Backlight adjustment doesn't
Hello Alexandre,
I tried to reproduce this bug, and I believe it has been fixed.
I started a i3.4xlarge instance on AWS, with Xenial as the distro:
$ uname -rv
4.4.0-1112-aws #124-Ubuntu SMP Fri Jul 24 11:10:25 UTC 2020
>From there, I checked the NVMe disks:
$ lsblk
NAMEMAJ:MIN RM SIZE
** Description changed:
- This bug is for tracking purpose.
+ [Impact]
+ We had a Dell machine, this machine was enabled with ubuntu 4.4
+ kernel before, but recently the hdmi audio on this machine stopped
+ working with the latest ubuntu 4.4. kernel. The system can't detect
+ its plugging and
** Description changed:
[Impact]
On Advantech UNO-420 development platform, we need a generic way to set the
pin mode.
+ Upstream would like us to leverage ACPI override method to change the modes,
but in Ubuntu core, we can't generate a new initramfs and boot up with the
generated
Hello Hui, or anyone else affected,
Accepted alsa-ucm-conf into focal-proposed. The package will build now
and be available at https://launchpad.net/ubuntu/+source/alsa-ucm-
conf/1.2.2-1ubuntu0.3 in a few hours, and then in the -proposed
repository.
Please help us by testing this new package.
** Description changed:
[Impact]
+ On Advantech UNO-420 development platform, we need a generic way to set the
pin mode.
[Fix]
+ Add a module parameter to assign pins mode while loading ad5593r driver.
[Test]
+ Verified on Advantech UNO-420 platform.
[Regression Potential]
+
[Expired for linux (Ubuntu) because there has been no activity for 60
days.]
** Changed in: linux (Ubuntu)
Status: Incomplete => Expired
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[Expired for linux (Ubuntu) because there has been no activity for 60
days.]
** Changed in: linux (Ubuntu)
Status: Incomplete => Expired
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** Description changed:
[Impact]
On Advantech UNO-420 development platform, we need a generic way to set the
pin mode.
[Fix]
- Add a module parameter to assign pins mode while loading ad5593r driver.
+ Add a module parameter to assign pin modes while loading ad5593r driver.
[Test]
** Tags added: civet-cat oem-priority originate-from-1893733
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Title:
Fullscreen windows are tearing in Xorg
Public bug reported:
This bug is for tracking purpose.
** Affects: hwe-next
Importance: Undecided
Status: New
** Affects: linux (Ubuntu)
Importance: High
Assignee: Hui Wang (hui.wang)
Status: In Progress
** Affects: linux (Ubuntu Xenial)
Importance: High
** Changed in: bluez (Ubuntu)
Status: Incomplete => Fix Released
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Title:
Bluetooth not working with Gnome in Groovy (20.10)
** Changed in: linux (Ubuntu)
Assignee: (unassigned) => koba (kobako)
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Title:
Internet disconnected unexpectly + Xorg freeze
Public bug reported:
[Impact]
Plug-in thunderbolt external monitor, and then plug-in thunderbolt external
Hard drive on the external monitor, it sometimes can't detect the TBT storage.
[Fix]
Retry tb_drom_read_n() when failed fixes this issue.
[Test]
Verified on Dell platform with ASUS PA27AC
new kernel on fedora test result:
5.8.9 not work
5.9-rc5 not work
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Title:
MSFT Touchpad not working on Lenovo Legion-5 15ARH05
** Changed in: linux (Ubuntu Focal)
Status: Incomplete => Confirmed
** Changed in: linux (Ubuntu Groovy)
Status: Incomplete => Confirmed
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linux-image-generic-hwe-20.04
hello,
since the update to Ubuntu 20.04.1 I can no longer change the regulatory
domain of my QCA9984 cards.
This works fine with Ubuntu 16.04.7 / DD-WRT / OpenWrt.
Or if I build the kernel modules myself .. ("Atheros
** Tags added: oem-priority
** Also affects: oem-priority
Importance: Undecided
Status: New
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Title:
Dell
Public bug reported:
cant use the trackpad
ProblemType: Bug
DistroRelease: Ubuntu 20.04
Package: linux-image-5.4.0-47-generic 5.4.0-47.51
ProcVersionSignature: Ubuntu 5.4.0-47.51-generic 5.4.55
Uname: Linux 5.4.0-47-generic x86_64
ApportVersion: 2.20.11-0ubuntu27.8
Architecture: amd64
Same problem after resuming from hibernation or suspend.
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Title:
Display corruption after suspend with recent kernel update
Status
Didn't see this with Bionic / Focal s390x LPAR and zVM.
Closing this bug.
** Changed in: ubuntu-kernel-tests
Status: New => Fix Released
** Changed in: linux (Ubuntu)
Status: Incomplete => Invalid
** Changed in: linux (Ubuntu Bionic)
Status: New => Invalid
** Changed in:
This change was made by a bot.
** Changed in: linux (Ubuntu)
Status: New => Confirmed
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Title:
cant use the trackpad
Status
Good News!
This bug is still here. Same error on
Dell Inspiron 13-7353, Ubuntu 20.04.1 (Upgraded from 18.05.5),
Kernel:
Linux NOMIS-inspiron 5.4.0-47-generic #51-Ubuntu SMP Fri Sep 4 19:50:52 UTC
2020 x86_64 x86_64 x86_64 GNU/Linux
Filesystem btrfs, Storage: Samsung 650 SSD (1TB).
Was working
You have been subscribed to a public bug:
screen brightness automatically gets full even if I reduce it
ProblemType: Bug
DistroRelease: Ubuntu 18.04
Package: xorg 1:7.7+19ubuntu7.1
ProcVersionSignature: Ubuntu 4.15.0-76.86-generic 4.15.18
Uname: Linux 4.15.0-76-generic x86_64
ApportVersion:
(This post uses md syntax),
### Software
Ubuntu 20.04. < bug still on 20.04. Agree with #103 #101 #94 #78
### Hardware
Several posts above mentioned hardware, RAM or RAM updates, so I will document
mine as well.
Initial > ASUS K401UB :
- Intel Core i5-6200U (2.3GHz)
- 4GB DDR3L
- 1TB HDD,
Didn't see this on B-s390x (LPAR / zVM)
Closing this bug.
** Changed in: ubuntu-kernel-tests
Status: New => Fix Released
** Changed in: linux (Ubuntu)
Status: Incomplete => Invalid
** Changed in: linux (Ubuntu Bionic)
Status: New => Invalid
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(In reply to Ranjith Hegde from comment #172)
> New problems in an old thread
>
> After using @Matthias Fulz's method (bumblebee without bbswitch + pm with
> powertop+tlp) its quite simple to run any software requiring nvidia. with
> his patch.
>
> The problem is in preventing any other
Tried baking down to kernel -42, which is much older but I'm still
seeing the problem. Maybe the issue is not with the kernel, it just
happened to occur at the same time :-(
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You seem to be experiencing recurring kernel crashes in the 'nouveau'
driver.
Rather than waiting for a fix I suggest just installing the proprietary
Nvidia driver from the 'Additional Drivers' app.
** Summary changed:
- the screen is hanging frequently and i am unable to perform any typing
This change was made by a bot.
** Changed in: linux (Ubuntu)
Status: New => Confirmed
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Title:
package
>From a machine with actual ipmi support:
$ lsmod | grep ipmi
ipmi_ssif 36864 0
ipmi_si65536 0
ipmi_devintf 20480 0
ipmi_msghandler 106496 3 ipmi_devintf,ipmi_si,ipmi_ssif
$ ll /dev/ipmi0 /dev/ipmi/0 /dev/ipmidev/0
ls: cannot access
This bug is missing log files that will aid in diagnosing the problem.
While running an Ubuntu kernel (not a mainline or third-party kernel)
please enter the following command in a terminal window:
apport-collect 1836701
and then change the status of the bug to 'Confirmed'.
If, due to the
This change was made by a bot.
** Changed in: linux (Ubuntu)
Status: New => Confirmed
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Title:
nouveau keeps crashing in
Status changed to 'Confirmed' because the bug affects multiple users.
** Changed in: nvidia-graphics-drivers-440 (Ubuntu)
Status: New => Confirmed
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Status changed to 'Confirmed' because the bug affects multiple users.
** Changed in: nvidia-graphics-drivers-440 (Ubuntu Focal)
Status: New => Confirmed
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Status changed to 'Confirmed' because the bug affects multiple users.
** Changed in: nvidia-graphics-drivers-340 (Ubuntu Focal)
Status: New => Confirmed
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Public bug reported:
I was installing the additional package of virtualbox as follows and an
error has occurred.
sudo apt -yV install virtualbox-guest-additions-iso virtualbox-guest-
dkms-hwe virtualbox-guest-utils-hwe virtualbox-guest-x11-hwe
ProblemType: Package
DistroRelease: Ubuntu 20.04
** Tags added: ssc
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Title:
[18.04 FEAT] zcrypt DD: introduce APQN tags to support deterministic
driver binding
Status in Ubuntu
** No longer affects: ubuntu
** Package changed: linux-hwe-5.4 (Ubuntu) => linux (Ubuntu)
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Title:
cannot change the regulatory
** Also affects: linux (Ubuntu Groovy)
Importance: Undecided
Status: Confirmed
** Also affects: linux (Ubuntu Focal)
Importance: Undecided
Status: New
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This bug is missing log files that will aid in diagnosing the problem.
While running an Ubuntu kernel (not a mainline or third-party kernel)
please enter the following command in a terminal window:
apport-collect 1895333
and then change the status of the bug to 'Confirmed'.
If, due to the
** Also affects: linux-raspi (Ubuntu Bionic)
Importance: Undecided
Status: New
** Changed in: linux-raspi (Ubuntu Bionic)
Status: New => Fix Committed
** Changed in: linux-raspi (Ubuntu)
Status: New => Invalid
** No longer affects: linux-raspi (Ubuntu Bionic)
** Also
** Also affects: linux-raspi (Ubuntu Bionic)
Importance: Undecided
Status: New
** Changed in: linux-raspi (Ubuntu Bionic)
Status: New => Fix Committed
** Also affects: linux-raspi-5.4 (Ubuntu)
Importance: Undecided
Status: New
** No longer affects: linux-raspi (Ubuntu
@PowerKiKi
That is very odd, mine lasts for hours and hours.
I wouldn't think ubuntu and xbuntu would be that different with regard
to audio hardware mgmt, but one guess off the top of my head is that
before I found this thread I turned off power mgmt for snd_hda_intel to
try to get the
** Tags removed: targetmilestone-inin---
** Tags added: targetmilestone-inin20041
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Title:
hwclock test failed on Power9 due to 0.x
** Also affects: linux (Ubuntu Xenial)
Importance: Undecided
Status: New
** Also affects: linux (Ubuntu Groovy)
Importance: Undecided
Assignee: Canonical Kernel Team (canonical-kernel-team)
Status: Triaged
** Also affects: linux (Ubuntu Bionic)
Importance: Undecided
You have been subscribed to a public bug:
XrandR does not propose 3440x1440 21:9 resolution on Ubuntu 20.04 :
How to reproduce :
- Connect on HDMI 1.4 Intel HD 630 mobile a UWUHD 3440x1440 monitor
- Only 16:9 are proposed by xrandR
- XrandR should propose all supported resolutions
Upstream fix 40249c6962075c040fd071339acae524f18bfac9, this has already
been picked up by Sash Levin for 5.8, 5.4, 4.19, 4.14, 4.9 and 4.8 on
backport stable AUTOSEL. Lets wait for that fix to trickle into the SRU
process.
** Changed in: linux (Ubuntu)
Status: Won't Fix => In Progress
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apport information
** Attachment added: "ProcCpuinfo.txt"
https://bugs.launchpad.net/bugs/1895333/+attachment/5410710/+files/ProcCpuinfo.txt
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hopefully this ticket gets some notice soon as this bug appears to be a
kernel level regression in a "major" kernel level feature: ocfs2
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** Attachment removed: "AlsaInfo.txt"
https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1895333/+attachment/5410701/+files/AlsaInfo.txt
** Attachment removed: "CRDA.txt"
https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1895333/+attachment/5410702/+files/CRDA.txt
** Changed in:
** Changed in: linux (Ubuntu)
Status: Incomplete => Triaged
** Changed in: ubuntu-power-systems
Status: Incomplete => Triaged
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Looks like a problem generating a new initramfs:
update-initramfs: Generating /boot/initrd.img-5.4.0-47-generic
mv: cannot stat '/boot/initrd.img-5.4.0-47-generic.new': No such file or
directory
I don't see any information about what went wrong though. The disk isn't
full, so that's not the
run 'apport-collect 1895301'
** Package changed: xrandr (Ubuntu) => linux (Ubuntu)
** Package changed: linux (Ubuntu) => xorg-server (Ubuntu)
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** Changed in: linux (Ubuntu)
Status: Incomplete => Confirmed
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https://bugs.launchpad.net/bugs/1891151
Title:
md: improve IO accounting
Status in linux package in
I'm having the same problem with an Huawei Matebook D14 2020 R5 with their
bluetooth mouse.
What I noticed using bluetoothctl is that the mouse device ID changes:
D9:73:24:7E:1A:0E (random)
I've seen 0E, 0F, 0C, 0B, etc.
I don't know if it's suppose to be like that or not.
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apport information
** Attachment added: "IwConfig.txt"
https://bugs.launchpad.net/bugs/1895333/+attachment/5410704/+files/IwConfig.txt
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apport information
** Tags added: apport-collected
** Description changed:
linux-image-generic-hwe-20.04
hello,
since the update to Ubuntu 20.04.1 I can no longer change the regulatory
domain of my QCA9984 cards.
This works fine with Ubuntu 16.04.7 / DD-WRT / OpenWrt.
Or
apport information
** Attachment added: "PulseList.txt"
https://bugs.launchpad.net/bugs/1895333/+attachment/5410714/+files/PulseList.txt
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apport information
** Attachment added: "ProcCpuinfoMinimal.txt"
https://bugs.launchpad.net/bugs/1895333/+attachment/5410711/+files/ProcCpuinfoMinimal.txt
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apport information
** Attachment added: "Lspci.txt"
https://bugs.launchpad.net/bugs/1895333/+attachment/5410705/+files/Lspci.txt
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apport information
** Attachment added: "ProcModules.txt"
https://bugs.launchpad.net/bugs/1895333/+attachment/5410713/+files/ProcModules.txt
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apport information
** Attachment added: "ProcInterrupts.txt"
https://bugs.launchpad.net/bugs/1895333/+attachment/5410712/+files/ProcInterrupts.txt
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apport information
** Attachment added: "UdevDb.txt"
https://bugs.launchpad.net/bugs/1895333/+attachment/5410716/+files/UdevDb.txt
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apport information
** Attachment added: "WifiSyslog.txt"
https://bugs.launchpad.net/bugs/1895333/+attachment/5410717/+files/WifiSyslog.txt
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Public bug reported:
This is a request to inclue a patch, submitted to the upstream linux-
hyperv mailing list, in the linux-azure kernels.
Microsoft would like to request this patch in the 16.04 (4.15) and newer
azure kernels. This patch fixes a prior commit, hence the SRU request:
Fixes:
apport information
** Attachment added: "Lspci-vt.txt"
https://bugs.launchpad.net/bugs/1895333/+attachment/5410706/+files/Lspci-vt.txt
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apport information
** Attachment added: "CRDA.txt"
https://bugs.launchpad.net/bugs/1895333/+attachment/5410702/+files/CRDA.txt
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apport information
** Attachment added: "Lsusb-v.txt"
https://bugs.launchpad.net/bugs/1895333/+attachment/5410709/+files/Lsusb-v.txt
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apport information
** Attachment added: "Lsusb.txt"
https://bugs.launchpad.net/bugs/1895333/+attachment/5410707/+files/Lsusb.txt
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apport information
** Attachment added: "RfKill.txt"
https://bugs.launchpad.net/bugs/1895333/+attachment/5410715/+files/RfKill.txt
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apport information
** Attachment added: "Lsusb-t.txt"
https://bugs.launchpad.net/bugs/1895333/+attachment/5410708/+files/Lsusb-t.txt
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apport information
** Attachment added: "CurrentDmesg.txt"
https://bugs.launchpad.net/bugs/1895333/+attachment/5410703/+files/CurrentDmesg.txt
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[EDIT]:
* PC hard drive is an SSD as well (upgraded 2 years ago).
* Transfer speed from internal SSD to external SSD. (See attached image)
** declared: 40MB/s
** observed: 12kB/s (I hand measured 87sec/1MBs)
** slowing factor: 3000+
* Dirty little hack : unmount then remount external disk hack
** Changed in: linux (Ubuntu)
Status: Confirmed => Fix Released
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Title:
cant use the trackpad
Status in linux package in
I tested this bug with the Linux kernel version 4.15.0-112-generic (i686) that
I thought was OK. It is not. My computer has problems with resuming from the
suspend mode and the behaviour is not always the same. As I used the 112
version for longer time before and nothing happened, it seems to
Verified on 5.6.0-1028-oem.
Good for 300 times of S3.
** Tags removed: verification-needed-focal
** Tags added: verification-done-focal
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PS: I've noticed several nvme related info on boot screen:
`nvme nvme0: missing or invalid SUBNQN field.`
...
and after 3 lines there is:
`nvme nvme0: Identify descriptors failed (2)`
could it be related?
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apport information
** Attachment added: "ProcCpuinfoMinimal.txt"
https://bugs.launchpad.net/bugs/1895563/+attachment/5410779/+files/ProcCpuinfoMinimal.txt
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# Objective
Monitor dirty files memory,
Change to more suitable values.
What it does: change from default 10 and 50%.
My understanding:
If `(vm.dirty_background_ratio/100) * memory size > largest file size`, then it
should be ok.[reference needed]
Note: `memory size` may be *available* memory
Application of this will be deferred pending resolution of upstream
discussion.
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Title:
aws: enable PCI write-combine for arm64
At work, we got quite recently one machine hanging on "ALERT! ... UUID
does not exist ..." with kernels 5.4.0-45 and 5.4.0-47. Only 5.4.0-42 is
booting now.
Adding `rootdelay=5` does not help.
I've already updated BIOS to latest version (from 2020-07), does not help.
The machine is also using
** Attachment added: "sudo lspci -vnvn > lspci-vnvn.log"
https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1895563/+attachment/5410773/+files/lspci-vnvn.log
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@crysman I have a NUC too. Is your nvme controller a Silicon Motion, Inc.
Device 2263 (rev 03) (126f:2263)?
It seems this controller somehow deviates from the specification.
The commit I mentioned above (ea43d9709f) made the driver stricter, causing it
to reject the device.
A fix is available
** Changed in: linux-aws (Ubuntu Bionic)
Status: In Progress => Won't Fix
** Changed in: linux-aws (Ubuntu Focal)
Status: In Progress => Won't Fix
** Changed in: linux-aws (Ubuntu Groovy)
Status: In Progress => Won't Fix
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** Attachment added: "ProcCpuinfoMinimal.txt"
https://bugs.launchpad.net/bugs/1895563/+attachment/5410789/+files/ProcCpuinfoMinimal.txt
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** Attachment added: "UdevDb.txt"
https://bugs.launchpad.net/bugs/1895563/+attachment/5410793/+files/UdevDb.txt
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** Attachment added: "Lspci.txt"
https://bugs.launchpad.net/bugs/1895563/+attachment/5410787/+files/Lspci.txt
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https://bugs.launchpad.net/bugs/1895563
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** Attachment added: "Lsusb.txt"
https://bugs.launchpad.net/bugs/1895563/+attachment/5410788/+files/Lsusb.txt
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https://bugs.launchpad.net/bugs/1895563
apport information
** Attachment added: "ProcModules.txt"
https://bugs.launchpad.net/bugs/1895563/+attachment/5410792/+files/ProcModules.txt
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apport information
** Attachment added: "WifiSyslog.txt"
https://bugs.launchpad.net/bugs/1895563/+attachment/5410794/+files/WifiSyslog.txt
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** Attachment added: "ProcEnviron.txt"
https://bugs.launchpad.net/bugs/1895563/+attachment/5410790/+files/ProcEnviron.txt
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