Generally it's unnecessary to install kernel headers if you don't need
extra kernel components like DKMS. They're already in the Suggested
section of a kernel image package.
** Changed in: linux (Ubuntu)
Status: Opinion => Invalid
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@Mathi
I installed alsa-ucm-conf 1.2.3 from Debian and the last Ubuntu mainline kernel
5.8.13.
This setup seems to fix the issue, however the test I did is too short
to confirm this work around.
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Public bug reported:
21367. 09/25 08:38:06 DEBUG| utils:0153| [stdout] startup='Fri Sep 25 08:37:00
2020'
21368. 09/25 08:38:06 DEBUG| utils:0153| [stdout] tst_test.c:1250: TINFO:
Timeout per run is 0h 05m 00s
21369. 09/25 08:38:06 DEBUG| utils:0153| [stdout] timer_settime01.c:85: TINFO:
Problem with booting Linux Ubuntu on UEFI hardware.
Samsung Ultrabook
"UEFI boot bricks SAMSUNG 530U3C laptop
+ UEFI boot live-usb bricks SAMSUNG 530U3C laptop"
{https://bugs.launchpad.net/ubuntu-cdimage/+bug/1040557}
UEFI - protection of the so-called intellectual property of computer hardware
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 1898059
and then change the status of the bug to 'Confirmed'.
If, due to the
** Package changed: pulseaudio (Ubuntu) => linux (Ubuntu)
** Summary changed:
- [POSITIVO BGH] Repeated sound constantly, and some cracky noise sometimes
+ [POSITIVO BGH] Repeated sound constantly, and some cracky noise sometimes (in
kernel 5.4.0-48.52, but 5.8.13 works)
** Changed in: linux
** Summary changed:
- Dell OptiPlex 7070 Ultra can detect external mic after S3
+ Dell OptiPlex 7070 Ultra cannot detect external mic after S3
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You have been subscribed to a public bug:
When I watch youtube videos or hear music in for example spotify or
anywhere, usually the sounds of what I am playing is heared twice like
some kind of echo.
Also, sometimes there is a cracky sound while hearing. I don't know what
may cause this and
@rhpot1991,
With xps 9300(icl), can't reproduce the issue.
I plug one monitor on wd19tb and disable the screen lock.
please enable the drm debug with drm.debug=0x1e.
reboot the machine and try reproduce it.
Then dump "journalctl -k -b"
Thanks
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Changing boot options "noapic acpi=off"
Disable Advanced Configuration and Power Interface.
The error with that disappears.
System hold is not working, power management is not working.
Linux is running and no problem is seen.
The browser allows me to write this message.
This computer hardware is
@wangjun Thank you for doing this experiment!
1. When the touchpad works by setting pin's direction=out, you could see
lots of "no data" message ("IRQ triggered but there's no data") keeping
popping up after moving your finger away from the touchpad, am I
correct?
2. When pin's direction=out,
I *may* be jumping the gun here, but having just installed
5.4.0-1019-raspi this morning, things appear to be good!
Did an upgrade ~ 30 minutes ago (usually i find the issue is triggered
after around 10 minutes or so).
Will update if/when it crashes.
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** Changed in: linux-oem (Ubuntu)
Status: Fix Released => In Progress
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https://bugs.launchpad.net/bugs/1858156
Title:
alsa/hda/realtek: chain a fixup to an
[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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** Information type changed from Private to Public
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https://bugs.launchpad.net/bugs/1884737
Title:
[20.10 FEAT] SCSI IPL normal support
Status in Ubuntu on IBM z Systems:
** Information type changed from Private to Public
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Title:
[20.10 FEAT] Support for FC Security Error indications
Status in Ubuntu
** Changed in: linux (Ubuntu)
Assignee: (unassigned) => Alex Hung (alexhung)
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Title:
[HP 635] Radeon 6310 brightness control
I'm not sure what are you using as energy_performance_preference but
I've seen important improvements in scaling speed when using
balance_performance instead of balance_power, without the need to set
the governor to full performance. I'm in Arch at this moment and can't
remember if Ubuntu defaults
** Information type changed from Private to Public
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Title:
[20.10 FEAT] Log FCP link EDIF capability - kernel
Status in Ubuntu on
** Information type changed from Private to Public
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Title:
[20.10 FEAT] SMC-D v2 Toleration Support - kernel
Status in Ubuntu on
** Information type changed from Private to Public
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Title:
[20.10 FEAT] KVM: Enable transparent CCW IPL from DASD - kernel part
** Information type changed from Private to Public
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Title:
[20.10 FEAT] KVM: Enable Channel Path Handling for vfio-ccw (kernel)
Update
My problem is partly solved.
After searching dozens of webpages for hints I found one for my second problem
that Gimp (snap) is not visible in my program starter. Other snaps were visible!
There "sudo apt install gnome-software-plugin-snap" was recommended.
I tried but Gimp was still
** Information type changed from Private to Public
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Title:
[20.10 FEAT] kvm_stat Sampling and Logging
Status in Ubuntu on IBM z
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Title:
[20.10 FEAT] Consistent cpu topology masks
Status in Ubuntu on IBM z
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Title:
[20.10 FEAT] NVMe IPL support - kernel part
Status in Ubuntu on IBM z
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Title:
[20.10 FEAT] SMC-R: Failover Support
Status in Ubuntu on IBM z Systems:
** Information type changed from Private to Public
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Title:
[20.10 FEAT] qeth: OSA Express Performance Enhancements
Status in
I got the same issue on 455.23.05-0ubuntu1.
I also have some other problems on that new driver, mainly related to
games. Sorry for the off-topic question, but would it be useful to
report those problems, and if so, where?
** Attachment added: "dmesg"
I'm having this issue with a Spanish USB Mac keyboard. Is it really so
difficult to detect when you have a Mac keyboard connected and/or
disconnected? Can't anything be done with hotplug, udev, etc. ?
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[Expired for xorg-server (Ubuntu) because there has been no activity for
60 days.]
** Changed in: xorg-server (Ubuntu)
Status: Incomplete => Expired
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FWIW today 3.38 was released to Arch stable repo and I tested it using
kernel 5.8.10 and 5.8.13. For the same governor, energy performance and
gpu min freq settings, stuttering in the overview has increased a bit
(HiDPI screen & 620, I think you already know that at this point).
Anyway I've seen
Cancel that. As expected, issue still present.
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https://bugs.launchpad.net/bugs/1861936
Title:
Raspberry Pi 3 network dies shortly after a burst of IPv6 tunnel
Coiby Xu (coiby)
>1. When the touchpad works by setting pin's direction=out, you could see lots
>of "no data" message ("IRQ triggered but there's no data") keeping popping up
>after moving your finger away from the touchpad, am I correct?
no, wrong. when run : echo out > direction,
dmesg say :
>>1. When the touchpad works by setting pin's direction=out, you could
see lots of "no data" message ("IRQ triggered but there's no data")
keeping popping up after moving your finger away from the touchpad, am I
correct?
> no, wrong. when run : echo out > direction,
> dmesg say :
> [ 133.854926]
Hi You-sheng,
sorry I posted and didnt realize how to edit. Please see above.
Installing headers linux-headers-5.4.0-47 linux-headers-5.4.0-48
resolved the issue.
So, the question is : Do we need to have any headers meta package
installed?
Regards
Ravindran
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I tried the below and probably this should take care :)
~$ sudo apt-get install linux-headers-lowlatency
Reading package lists... Done
Building dependency tree
Reading state information... Done
The following NEW packages will be installed:
linux-headers-lowlatency
0 upgraded, 1 newly
Ubuntu 16.04 is a few years old now. In case the problem has already
been fixed, please try booting Ubuntu 20.04.1 from USB:
https://ubuntu.com/download/desktop
and tell us if it has the same issue.
** Changed in: bluez (Ubuntu)
Status: New => Incomplete
** Changed in: linux (Ubuntu)
Hi You-Sheng
Thanks for your response. You are right. I only see below:
~$ dkms status
bcmwl, 6.30.223.271+bdcom, 5.4.0-39-lowlatency, x86_64: installed
bcmwl, 6.30.223.271+bdcom, 5.4.0-45-lowlatency, x86_64: installed
nvidia, 450.66, 5.4.0-45-lowlatency, x86_64: installed
@colin-king, still an issue: https://launchpadlibrarian.net/498522353
/buildlog_ubuntu-focal-arm64.linux-raspi_5.4.0-1020.22_BUILDING.txt.gz
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@Mathi
I have the same problem, I thought it was related to plugging/unplugging the
headset jack (see comment #28 and following ones).
Hui's and my opinion is the it's not alsa-ucm-conf related, therefore
this requires more analysis and a new bug report.
What you could do:
- to play with
Might be a kernel problem so adding linux-raspi back.
** Also affects: linux-raspi (Ubuntu)
Importance: Undecided
Status: New
** Also affects: linux-firmware (Ubuntu Focal)
Importance: Undecided
Status: New
** Also affects: linux-raspi (Ubuntu Focal)
Importance: Undecided
At the time the bug was created, rfkill showed this (from the above
attachments):
https://bugs.launchpad.net/ubuntu/+source/bluez/+bug/1898186/+attachment/5416565/+files/rfkill.txt
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** Changed in: bcmwl (Ubuntu)
Status: Incomplete => Invalid
** Changed in: linux (Ubuntu)
Status: Confirmed => Opinion
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Something (not the kernel) changed over the weekend and now the stutter
seems to be gone...?
** Changed in: linux (Ubuntu)
Status: Confirmed => Incomplete
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** Changed in: oem-priority
Status: Fix Committed => Fix Released
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https://bugs.launchpad.net/bugs/1896419
Title:
Comet Lake CPUID family:model:stepping 0x6:a5:2
according to the above analysis, error is happen with the direction is :
in
i found the function to set the direction of gpio pin to in:
amd_gpio_direction_input,
and add some pr_err and dump_stack() to the function ,
then dmesg out put like :
[1.545190] amd_gpio_set_config
ICL. Gen 10
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Title:
Thunderbolt Dock Loses Monitors
Status in linux package in Ubuntu:
In Progress
Bug description:
After a
struct acpi_gpio_info {
struct acpi_device *adev;
enum gpiod_flags flags;
bool gpioint;
int pin_config;
int polarity;
int triggering;
unsigned int quirks;
};
enum gpiod_flags {
GPIOD_ASIS = 0,
GPIOD_IN=
This bug was fixed in the package thermald - 1.9.1-1ubuntu0.3
---
thermald (1.9.1-1ubuntu0.3) focal; urgency=medium
* Add Cometlake and Rocketlake CPU models (LP: #1896419)
[Srinivas Pandruvada]
- 7f2003ee911d Added Cometlake and Rocketlake CPU models
-- Colin King Mon,
The verification of the Stable Release Update for thermald has completed
successfully and the package is now being released to -updates.
Subsequently, the Ubuntu Stable Release Updates Team is being
unsubscribed and will not receive messages about this bug report. In
the event that you encounter
what cpu generation of xps 9300?
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Title:
Thunderbolt Dock Loses Monitors
Status in linux package in Ubuntu:
In Progress
Bug
Ubuntu 20.04 user, can confirm this bug.
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Title:
Poor quality audio with modern Bluetooth headsets in HSP/HFP. Missing
wide band
dreamcat4,
Ubuntu 19.10 is not supported. It reached end of life on July 17, 2020.
This is a bug/design feature of Xorg graphics drivers like Nvidia and
AMD's. You can work around it either by explicitly configuring the
driver to sync to the fastest monitor, or by enabling "TearFree" if
Public bug reported:
I have a dell venue 11 which I use with the battery/keyboard dock.
I upgraded from 16lts to 20lts by reinstalling over / and maintaining my
/home
after booting everything works fine, but after installing my usual
programs and a further restart touchpad did not work anymore
@wangjun
Thank you for sharing the results and investigating this touchpad issue!
One thing confuses me is for the ELAN touchpad, no single interrupt
fires when you put finger on the touchpad while for the Synaptics
touchpad, you still see interrupts firing but with a very rate of ~7Hz.
Judging
sorry , two mistakes in # 162
and window 1: ==> and window 2:
window 1 no output. ==> window 2 no output.
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Title:
MSFT Touchpad
Confirmed on my Acer Aspire E5-511G. Also kernels 5.8.0 same troubles
(Kubuntu 20.10)
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Title:
touchpad and keyboard
Status in
I have exactly same bug on Acer Aspire E5-511G
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Title:
Keyboard not working
Status in linux package in Ubuntu:
Confirmed
Bug
and after the test,i rerun : echo in > direction
my touchpad can work.
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Title:
MSFT Touchpad not working on Lenovo Legion-5
Commit "tty: hvcs: Don't NULL tty->driver_data until hvcs_cleanup()"
9ceefca582e1 is tagged with Ubuntu-5.8.0-20.21 (and later), and the current
kernel in groovy is:
linux-generic | 5.8.0.20.25| groovy | ppc64el
hence this patch landed in groovy, so changing the groovy entry to Fix
first c program, has error,
window 1
```
[ra@localhost 1]$ sudo ./test
[sudo] password for ra:
Segmentation fault
[ra@localhost 1]$
```
windows 2
```
[ra@localhost ~]$ sudo dmesg -W
[sudo] password for ra:
[ 545.297119] test[3424]: segfault at 0 ip 7f679289151c sp
7ffc4ea14900 error
sorry for #157, `in` should be `out`
and after the test,i rerun : echo out > direction
my touchpad can work.
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Title:
MSFT
test the script:
```
a. Don't put your finger on the touchpad
b. Open a terminal window and run `sudo dmesg -W`
c. In another terminal, "cd /sys/class/gpio/gpio386"
e. "echo out > direction" and see if the following dmesg output will
keeping popping out in the previous terminal
test for script 2:
```
a. Don't put your finger on the touchpad
b. Open a terminal window and run `sudo dmesg -W`
c. In another terminal, "cd /sys/class/gpio/gpio386"
e. "echo 1 > value" and see if the following dmesg output will keeping
popping up in the previous terminal window
test for script 2 ,with changed direction to out before test:
```
a. Don't put your finger on the touchpad
b. Open a terminal window and run `sudo dmesg -W`
c. In another terminal, "cd /sys/class/gpio/gpio386"
e. "echo 1 > value" and see if the following dmesg output will keeping
This change was made by a bot.
** Changed in: linux (Ubuntu)
Status: New => Confirmed
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Title:
touchpad on dell venue 11
@Coiby Xu (coiby)
wait a moment ,i rebuild a clean kernel ,then i test it .
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Title:
MSFT Touchpad not working on Lenovo Legion-5
test the second c program:
i reboot,
it's means the derection is :in
windows 1:
```
[ra@localhost 2]$ su
Password:
[root@localhost 2]# ls
fire_touchpad_pin_irq fire_touchpad_pin_irq.c
[root@localhost 2]# ./fire_touchpad_pin_irq 100
Status:: Operation not permitted
Status:: Operation not
test the second c program with derection changed to :out
window 1:
```
[ra@localhost ~]$ su
Password:
[root@localhost ra]# cd /sys/class/gpio/
[root@localhost gpio]# ls
export gpiochip256 unexport
[root@localhost gpio]# echo 386 > export
[root@localhost gpio]# ls
export gpio386 gpiochip256
** Also affects: linux-raspi (Ubuntu)
Importance: Undecided
Status: New
** Changed in: linux-raspi (Ubuntu Groovy)
Status: New => Fix Committed
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one mistake in #165,
```but there's no data``` is some copy/past err.
it's not the output.
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Title:
MSFT Touchpad not working on
sorry for #159,
the first c program ,i missed the parameter when i run it.
now test it again.
reboot
then
```
[ra@localhost ~]$ su
Password:
[root@localhost ra]# cd /sys/class/gpio
[root@localhost gpio]# ls
export gpiochip256 unexport
[root@localhost gpio]# echo 386 > export
I just had the opportunity to measure a longer sleep with the rc1+
kernel. The battery drain is still as high as before.
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Title:
Kernel release bisection:
cosmic: 4.18.0-26: incremental, dry-run: panic about 303GB
cosmic: 4.18.0-26: incremental, dry-run: panic about 21GB
cosmic: 4.18.0-26: incremental, dry-run: panic about 22GB
disco: 4.19.0-13: incremental, dry-run: testing: success
The first run using 4.18.0-26 that
For what it's worth, I've now had the exact same problem, which led me
here.
On a bare-metal 20.04 using full blank HDDs as OSDs (/dev/sda etc.),
installing using cephadm worked fine with an XFS root, but later on when
I reinstalled and tried ZFS root, I then got the same behaviour
described
--- Comment From hegdevas...@in.ibm.com 2020-10-05 10:07 EDT---
(In reply to comment #8)
> hi Vasant,
>
> according to:
> - https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1895031
> - https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1895328
> -
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