@scarlettmoore.
Thanks for reaching out. I believe it was meant to optimize VSync on KWin
Eventually, KWin upstream developers had set KWIN_USE_INTEL_SWAP_EVENT
environment variable by default, but then reverted it due to performance issues
@binli
There is a bug report by @superm already and most likely I have the same issue.
Should I fill a new bug or maybe we could reopen #1934014
(https://bugs.launchpad.net/ubuntu/+source/linux-firmware/+bug/1934014) ?
@superm1
>>@xalt7x: Suggest that you adopt linux-oem-20.04d package
I tested 2 laptops with Ryzen 5 5500U (HP Pavilion & ASUS Zenbook). Both of
them can't resume from s2idle with linux-firmware v1.187.20. With HP Pavilion I
also tried v1.187.15 and v1.187.19. In all cases when you press button to
resume laptop from s2idle, power button changes state from a "a
I guess you have some different issue. In my case HP Folio 1040 G1 had this
that problem since kernel 4.1 and it was never fixed. But still you can analyze
dmesg for anything suspicious (maybe try it with different kernels)
Here's a command to output information into dmesg.log in your home
Here's dmesg of recompiled kernel with
CONFIG_KEYBOARD_ATKBD=m
CONFIG_SERIO_I8042=m
CONFIG_SERIO_LIBPS2=m
** Attachment added: "dmesg_recompiled.txt"
https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1943832/+attachment/5525740/+files/dmesg_recompiled.txt
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Here's dmesg of kernel 5.11.0-34 with i8042.reset=1
** Attachment added: "dmesg_with_i8042_reset.txt"
https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1943832/+attachment/5525734/+files/dmesg_with_i8042_reset.txt
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@alepasgar
1)Edit your GRUB configuration
sudo nano /etc/default/grub
At the line with "GRUB_CMDLINE_LINUX_DEFAULT" add parameters
drm.debug=0x1e log_buf_len=4M
Ctrl+X , confirm changes with "Y"
2) sudo update-grub
3) Restart
4) sudo dmesg | grep "Refresh Rate"
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apport information
** Attachment removed: "CurrentDmesg.txt"
https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1943832/+attachment/5525703/+files/CurrentDmesg.txt
** Attachment added: "CurrentDmesg.txt"
** Description changed:
ASUS UM425UA internal keyboard doesn't work on a "cold boot" (first
power-on). It activates only after restart.
I noticed it when tried to boot live image of Ubuntu 20.04.3
This problem probably appeared with kernel version 5.9 or 5.10 because with
Ubuntu 20.04.2
** Attachment removed: "WifiSyslog.txt"
https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1943832/+attachment/5525718/+files/WifiSyslog.txt
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apport information
** Attachment added: "acpidump.txt"
https://bugs.launchpad.net/bugs/1943832/+attachment/5525719/+files/acpidump.txt
** Changed in: linux (Ubuntu)
Status: Incomplete => New
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** Attachment added: "WifiSyslog.txt"
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Title:
Keyboard
apport information
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** Attachment added: "ProcModules.txt"
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Title:
apport information
** Tags added: apport-collected focal
** Description changed:
ASUS UM425UA internal keyboard doesn't work on a "cold boot" (first
power-on). It activates only after restart.
I noticed it when tried to boot live image of Ubuntu 20.04.3
This problem probably appeared
Public bug reported:
ASUS UM425UA internal keyboard doesn't work on a "cold boot" (first power-on).
It activates only after restart.
I noticed it when tried to boot live image of Ubuntu 20.04.3
This problem probably appeared with kernel version 5.9 or 5.10 because with
Ubuntu 20.04.2 live image
I still believe that this bug is present since initial implementation of DRRS
(kernels 4.0 and 4.1).
For now I have to disable DRRS by default with a patch. Updated version in
attachment.
** Patch added: "Patch for 5.13 and 5.14"
Trying to find the reason for this issue I tested kernels from
https://kernel.ubuntu.com/~kernel-ppa/mainline/ on Ubuntu 14.04
v4.0.9-wily - flickering didn't happen (but that's because DRRS wasn't
activated in the 4.0.y series)
v4.1-rc3-unstable - problem started here.
So it's quite possible
No, I made it for myself (using another patch
(https://bugs.freedesktop.org/show_bug.cgi?id=91393#c31) as a reference
for adding i915 module parameter). Not sure if upstream would accept it.
This patch doesn't fix root issue but provides ability to disable DRRS
power-saving feature which causes it
** Tags removed: patch
** Summary changed:
- Flickering on built-in display (Intel Haswell graphics) since kernel v4.1
[bissected and workaround attached]
+ Flickering on built-in display (Intel Haswell graphics) since kernel v4.1
[bisected and workaround attached]
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** Description changed:
Since kernel 4.1 laptop HP Elitebook Folio 1040 G1 (with Intel i5-4210U)
- has a pretty issue with flickering
+ has a pretty serious issue with flickering
Symptoms:
- 1) If I leave mouse cursor for a few seconds, then start moving it, there's
slight flicker (like
** Attachment added: "Demonstration of the issue"
https://bugs.launchpad.net/linux/+bug/1928138/+attachment/5496450/+files/VID_20190526_162622.mp4
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Public bug reported:
Since kernel 4.1 laptop HP Elitebook Folio 1040 G1 (with Intel i5-4210U)
has a pretty issue with flickering
Symptoms:
1) If I leave mouse cursor for a few seconds, then start moving it, there's
slight flicker (like display brightness changes a bit)
2) On the top left corner
backported to version 85 but currently Chromium needs to
be run with
--use-gl=desktop switch
(I have Bionic build on test PPA
https://launchpad.net/~xalt7x/+archive/ubuntu/chromium-deb-vaapi-test-upstream)
Please use this build flag for Snap and Deb builds (16.04 , 18.04) so
people with Intel & AMD o
On Ubuntu 20.04 I had to add
DEB_BUILD_OPTIONS=nocheck
at the beginning of debian/rules
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Title:
building from source on Ubuntu 18.04 fails
To
Same with 20.04 (gtk+3.0_3.24.18-1ubuntu1)
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Title:
building from source on Ubuntu 18.04 fails
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