@bamoqi, @speedym, @david-sinnott-morgan:
I have prepared a test kernel based on 5.4.0-42-generic, for Ubuntu 20.04 in
the following ppa.
It hasn't finished building yet, Launchpad is taking a long time. Please make
sure it has finished building before installing.
https://launchpad.net/~mruffe
This is not a kernel problem. The problem is that the pigpio library is
trying to mmap the GPIOs with PROT_EXEC which is a security risk. In
Focal /dev is mounted with the noexec flag so that's no longer possible.
They could patch the pigpio library to remove the PROT_EXEC flag from
the mmap call b
IMHO kernel version 5.4.0-40 should be deleted with the highest prejudice.
Never before have I experienced 3 kernel panics in one day and a few after that.
This thing should have never left Canonical quality control for an LTS system.
And I have been running Ubuntu since the first release.
Jul 15
https://lkml.org/lkml/2020/8/5/253
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https://bugs.launchpad.net/bugs/1885862
Title:
Add in-tree Realtek 8821CE wireless module support
Status in HWE Next:
New
St
4.4.0-186 is already released. Both 4.4.0-185 and 4.4.0-186 contain the
fix for this issue and work fine for me, no crashes observed.
** Changed in: linux (Ubuntu Xenial)
Status: Confirmed => Fix Released
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** Description changed:
This issue was introduced by #1872916 ("Support Intel Soundwire
in 5.6-OEM Kernel 20.04"), so focal and groovy kernels don't need
this fix.
[Impact]
We found the sof driver instead of hda driver is enabled on a dell
machine without soundwire and dmic. This wi
Public bug reported:
Hello. I’m using Lenovo ThinkPad X390 Yoga (model type: 20NN002NMC). I have
been using dual boot of the preinstalled Windows 10 x64 and Linux. I have tried
the latest versions of Ubuntu and Debian. About 6 weeks ago, after updating the
BIOS to N2LET76W 1.75 (https://downloa
You have been subscribed to a public bug:
[Summary]
The system always stop at "Initramfs unpacking failed: Decoding failed" after
selecting "OEM install or Ubuntu option (20.04.01). The issue can be observed
on the RTX6000, but Nvidia P620 cannot reproduce it. The issue might relate to
the grap
The NVIDIA RTX6000 is not supporetd by the nouveau, and should be
supported when the users use the nvidia proprietary driver from ubuntu
3rd party drivers.
The expected behavior would be
- the user use "safe graphie" mode to install the system, and install "3rd
party drivers."
- reboot and the us
@seb,
I plan to upload the debdiff for focal, but how to handle the groovy?
we will definitely upgrade those packages to higher version in the
groovy sooner or later, do I need to upload debdiff for groovy as well?
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** Changed in: linux (Ubuntu)
Status: New => Confirmed
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https://bugs.launchpad.net/bugs/1890415
Title:
Lenovo ThinkPad X390 won’t boo
Private bug reported:
IBM requested signed ibm-gt amd64 kernels.
** Affects: linux (Ubuntu)
Importance: Undecided
Status: Invalid
** Affects: linux (Ubuntu Bionic)
Importance: Undecided
Status: Confirmed
** Information type changed from Public to Private
** Package
It could not post BIOS logo on docking, right?
Could you try if Window block it from booting?
1, Power off laptop, and cold boot to Ubuntu;
2, plugin dock;;
3, Reboot from Ubuntu.
To check if it can boot BIOS.
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If it plugged in, it does not display nothing (Lenovo logo, POST test etc),
when I unplug the notebook from the power adapter, or remove it from the dock
during starting process boot continue normal.
I Have checked it, but it can not boot BIOS until unplugged.
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Oh, I see.
It can not reboot from Ubuntu with plugin dock.
It probably because of the dock devices, what kind of dock?
Can it boot with power adapter only after power off from Ubuntu?
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Not only dock I have the same problem with the power adapter too.
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Title:
Lenovo ThinkPad X390 won’t boot while plugged in
Status i
I have the same problem when I plugged my notebook only with original
power adapter. So it will be probably issue between bios/firmware-
kernel.
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Public bug reported:
[Impact]
There's an HP desktop doesn't claim to support HDMI audio.
[Fix]
Use a quirk list to force HDMI audio connection to ignore Connectivity
Bit, which is incorrectly set by BIOS.
[Test]
With the patch applied, we can find HDMI codec under /proc/asound/card0
and audio
--- Comment From s...@de.ibm.com 2020-08-05 09:16 EDT---
Hi xnox,
have you had the chance to retest flatpak-builder autopkgtests with an adjusted
flatpak package like mentioned in my previous comment?
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I am also affected on ubuntu 18.04 on Lenovo T580 with Intel Corporation
UHD Graphics 620 (rev 07
.
[ 769.951164] pcieport :07:00.0: BAR 13: no space for [io size 0x3000]
[ 769.951165] pcieport :07:00.0: BAR 13: failed to assign [io size 0x3000]
[ 769.951167] pcieport :07:00
that's weird, I have a W5700 that AMD sent me, and it's working just
fine with 5.4 in focal..
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https://bugs.launchpad.net/bugs/1890306
Title:
Fix IOMMU error on AMD
then again, maybe I don't have IOMMU enabled? :)
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Title:
Fix IOMMU error on AMD Radeon Pro W5700
Status in HWE Next:
New
https://www.lazada.co.id/-i1869204624-s3671936959.html
https://www.lazada.co.id/-i1869204624-s3671936959.html
https://www.lazada.co.id/-i1869204624-s3671936959.html
https://www.lazada.co.id/-i1869204624-s3671936959.html
https://www.lazada.co.id/-i1869204624-s3671936959.html
https://www.lazada.co.id
Probably only happens on AMD IOMMU. Is your platform Intel one or AMD
one?
In addition to that, the issue should tie to specific PCI revision.
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** Tags added: originate-from-1874593 sutton
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https://bugs.launchpad.net/bugs/1889217
Title:
Make digital mic on the AMD Renoir machines work under gnome desktop
Status
Public bug reported:
I run the kernel 5.4.0-42-generic on a fully up-to-date Ubuntu "focal" on Dell
Latitude E6440.
While scrolling through the output of `journalctl -b` I came across a warning
(marked yellow):
[0.659825] wmi_bus wmi_bus-PNP0C14:00: WQBC data block query control
method not
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 1890467
and then change the status of the bug to 'Confirmed'.
If, due to the nature
** Summary changed:
- Consistent autopkgtest failures on ppc64el/s390x
+ (In)consistent autopkgtest failures on ppc64el/s390x
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https://bugs.launchpad.net/bugs/1851663
Public bug reported:
When testing 20.04.1, I noticed some different behavior on rpi3b+ that I
didn't see on rpi3b or rpi4. I have configured the device with
ethernet, added netplan yaml for my wifi network, and rebooted. So both
eth0 and wlan0 have an ip address.
On all other devices (rpi3b, rpi
I don't know if it's relevant; it may very well not be, because after
this kernel message (described below) things sometimes succeed, or
sometimes fail.
But I noticed that there's a new feature in drm-tip (but not in mainline
5.8), for HDMI silent stream audio. I turned it on. It seems to work
wel
** Attachment added: "success-powerup-dmesg.txt"
https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1879401/+attachment/5399008/+files/success-powerup-dmesg.txt
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https:/
This bug has been reported on the Ubuntu ISO testing tracker.
A list of all reports related to this bug can be found here:
http://iso.qa.ubuntu.com/qatracker/reports/bugs/1890487
** Tags added: iso-testing
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@Hui, we will get the new version but unsure when so if it's not too
much extra work it would be b etter to generate debdiffs for G
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Ubuntu 20.04.1 is going to be released on Aug 06 (tomorrow). You can
also give it a try too.
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https://bugs.launchpad.net/bugs/1888570
Title:
poweroff not working after apt
Only occurs on systems that cannot set affinity to CPU 2 and CPU 3
because the test tries to do this and fails. Tut tut, bad test.
Fix submitted and re-worked, improved fix sent upstream:
https://www.spinics.net/lists/netdev/msg674973.html
** Changed in: ubuntu-kernel-tests
Assignee: (unassi
I won't run the suggested command (apport-collect 1890467), as is
doesn't anonymize or pseudonymize my data or the data of the laptop
sufficiently. If given an opportunity to do so manually and paste the
result using the Web interface, I will gladly proceed.
** Changed in: linux (Ubuntu)
S
Unfortunately, suspend still does not work even with the final 5.8
kernel. Ubuntu 20.04 on the same HP x360 ay0003nd Ryzen 4700U laptop.
But Askubuntu.com is filled with similar issues, since 18.04:
https://askubuntu.com/questions/1239367/ubuntu-20-04-will-not-resume-from-suspend-on-hp-laptop-why
These ACPI warnings are harmless most of time, but that also depends on what
ACPI BIOS does on your systems.
=
[ 0.659825] wmi_bus wmi_bus-PNP0C14:00: WQBC data block query control method
not found
WQBC is required according to WMI spec and implementation on t
For waking up unexpected issues, you can try to disable wakeup devices
via /proc/acpi/wakeup interfaces.
See examples @ https://askubuntu.com/questions/148481/how-do-i-prevent-
immediate-wake-up-from-suspend-and-or-hibernation
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Changing the status of this bug from 'expired' to 'confirmed', since all
the way up here in Ubuntu 20 land (in 2020), I have found this bug when
development testing my research OS. Random lockups and segfaults, after
which the CPU usage of the qemu-system-x86 process sticks at over 100%.
** Chang
You can also try to verify sysfs interfaces such as below example
$ ls /sys/class/backlight/
intel_backlight
$ cd /sys/class/backlight/intel_backlight
$ cat max_brightness
12
$echo 12 | sudo tee brightness
$echo 6 | sudo tee brightness
If this does not change brightness, something is
Public bug reported:
bluetooth stopped working after recent apt updates
ProblemType: Bug
DistroRelease: Ubuntu 20.04
Package: bluez 5.53-0ubuntu3
ProcVersionSignature: Ubuntu 5.4.0-42.46-generic 5.4.44
Uname: Linux 5.4.0-42-generic x86_64
ApportVersion: 2.20.11-0ubuntu27.6
Architecture: amd64
Cas
There have been no updates to the 'bluez' package since 20.04 was
released. So that can't be the problem.
Most likely it's a kernel update that caused the problem. The most recent one
was only a week or two ago. Please try downgrading (or upgrading) your kernel
version using these:
https://kerne
This looks like a signalling problem. There doesn't seem to be any
corruption in the image. Only the signal to the monitor doesn't
correctly match the frequencies that the monitor requires.
As a workaround please try selecting 'Ubuntu on Wayland' from the login
screen.
Please also try a different
This change was made by a bot.
** Changed in: linux (Ubuntu)
Status: New => Confirmed
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Title:
VGA image is ghosted and stret
Result of `sudo acpidump > acpi.log` attached.
As for USB issues:
1. I sometimes experience bad contact to my iPhone when I charge it
using a USB port. This seems to be a physically bad contact to me,
however, but I cannot tell for sure.
2. Another issue is that after a USB thumb drive has been
By the way, I know the BIOS is outdated (A21 instead of A24), but I
failed to update it via FreeDOS process. (The manual
https://wiki.ubuntuusers.de/BIOS_aktualisieren is partially out of date
in this point or I do something wrong, but it's a different issue
anyway, having little to do with this ve
** Changed in: xorg-server (Ubuntu)
Status: New => Incomplete
** Changed in: linux (Ubuntu)
Status: Confirmed => Incomplete
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This might have been fixed in the Intel graphics driver in a newer
kernel. Can you please test this one?
https://kernel.ubuntu.com/~kernel-ppa/mainline/v5.8/
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Actually the problem might just be that the Linux kernel doesn't
understand extended vendor-specific display timings. I've decoded your
monitor's EDID and it reveals that 3840x2160 30Hz is mentioned:
edid-decode (hex):
00 ff ff ff ff ff ff 00 04 69 a3 28 24 51 00 00
0e 1b 01 03 80 3e 22 78 3a 1c
Please also run this command:
grep . /sys/class/drm/*/modes > kernel-modes.txt
and attach the resulting text file here.
** Changed in: linux (Ubuntu)
Status: New => Incomplete
** Changed in: xorg-server (Ubuntu)
Status: New => Incomplete
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I'm too affected, please review.
Thanks
** Changed in: nvidia-graphics-drivers-390 (Ubuntu)
Status: Expired => Opinion
** Changed in: xorg-server (Ubuntu)
Status: Expired => Opinion
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You have been subscribed to a public bug:
Touchpad stopped working about a week ago. Now using a bluetooth mouse
which pauses somethimes. Computer is a Acer Aspire 5. Just bought it a
month ago.
ProblemType: Bug
DistroRelease: Ubuntu 20.04
Package: linux-image-5.4.0-42-generic 5.4.0-42.46
ProcV
** Package changed: ubuntu => linux (Ubuntu)
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https://bugs.launchpad.net/bugs/1890507
Title:
touchad not working
Status in linux package in Ubuntu:
New
Bug description:
Please open your own new bug by running:
ubuntu-bug gnome-shell
This bug should stay closed.
** Changed in: nvidia-graphics-drivers-390 (Ubuntu)
Status: Opinion => Invalid
** Changed in: xorg-server (Ubuntu)
Status: Opinion => Invalid
** Changed in: nvidia-graphics-drivers-390
This change was made by a bot.
** Changed in: linux (Ubuntu)
Status: New => Confirmed
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Title:
touchad not working
Status in
Thanks for your work
I just bought and tried a new 4K hdmi cable, with no change. I noticed
that the monitor has TWO inputs, HDMI and HDMI/MHL (it had been plugged
into HDMI) but switching this to HDMI/MHL gave no result.
I am using MATE but the same issue occurs in several flavours of Ubuntu
tha
Could you try set "optimized" = "enable" or "disable", then load default
setting?
Meantime I will try find one to reproduce.
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Title:
Regarding HDMI version the spec which I gave a link to claims;
True Resolution : 3840x2160 at 60Hz (DisplayPort) ,3840x2160 at 30Hz (HDMI)
Some while ago I was researching this issue and found a specification
page on the ASUS website which showed two formats for declaring the
frame rate, one exte
I found the information, at section 3.4 of the manual
https://dlcdnets.asus.com/pub/ASUS/LCD%20Monitors/PB287/PB287Q_English.pdf
where VESA / IBM Modes Support Timing (DP/HDMI) reaches 4k but CEA-861
Formats Supported Timing (HDMI/MHL) only reach 1920
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The attachment in comment #10 confirms the problem is happening at a low
level in the kernel. Although Xorg could override that if it was smart
enough. In theory you can do it manually but would need to become an
expert at crafting modeline entries to get it working. I don't know how
myself. If tha
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 1890418
and then change the status of the bug to 'Confirmed'.
If, due to the nature
To test kernel 5.8 you need to download all these packages EXCEPT the
"lowlatency" ones:
https://kernel.ubuntu.com/~kernel-ppa/mainline/v5.8/amd64/
and then install them all at once:
sudo dpkg -i *.deb
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Daniel I successfully ran the dpkg process as you illustrated but it
then failed to boot, so now I must manually selected the 5.4 version in
order to get to this boot. Is there a way to reverse that?
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Yes, find the new packages' names:
dpkg -l | grep 5.8.0-050800
and then purge them:
sudo dpkg -P ...
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Title:
i915 does not ex
> Grub had somehow been changed to disable ACPI. Enabling that solved the
problem.
Imagine how great it would have been if you had mentioned how did
exactly you did that (enabling ACPI in grub)?
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I'm watching this error since about 10 months hoping that this would be fixed
before the 20.04 release.
Now we're almost 4 months past the release date and it's still there.
Given that the fix is quite easy, I'm wondering why this is still an unresolved
issue.
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