Public bug reported:
Whenever I set the power profile of my HD 4850 to mid using
echo mid /sys/class/drm/card0/device/power_profile
the responsiveness of the UI degrades considerably. The windows move
slowly when dragging, and there's really bad tearing when scrolling on
any web browser. This
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Title:
Bad performance when using the mid radeon power profile on Unity
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As the log clearly shows, my card is a Radeon 54xx, not a 4850. Sorry
about that.
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https://bugs.launchpad.net/bugs/865678
Title:
Bad performance when using the mid radeon power profile
It happens with all possible settings of blur (even disabled).
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Title:
Bad performance when using the mid radeon power profile on Unity
To
This is related to Bug #764330. If I lower the polling interval of the
mouse position polling plugin of compiz to something lower than 10, the
lag almost disappears, and it'll only occur if I move the windows
slowly.
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Public bug reported:
The system freezes completely (I have to power-cyrcle) after resuming
with the AC power unplugged. The gdm screen shows up and I'm able to
login, but after a few seconds, the system freezes. It also happens if I
don't login. If I resume with the power connected, the system
Please disregard, this appears to be fixed with the latest kernel
package.
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system freezes while resuming with AC unplugged on Dell Studio 1558
https://bugs.launchpad.net/bugs/682126
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I tried the latest kernel version (3.12.0-031200-generic) from Ubuntu's
kernel PPA and the issue is no longer present.
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Title:
High CPU load
3.11.7 works fine too
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Title:
High CPU load after resuming on Samsung NP550P5C in BIOS mode
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Just to make sure I went back to 3.11.0 and I couldn't reproduce the
issue. I think installing the Intel MEI drivers on Windows (this is a
dual boot box) did something. Weird.
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Nevermind, the bug is still there on 3.11.0, 3.11.7 and 3.12.0. I had
left the USB S3 Wake-Up option enabled by mistake.
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Title:
High CPU load
I can't test whether the bug is there or not because the system barely
works. I tried the same trick I used to test the 3.9rc* (booting in
recovery mode and using pm-suspend) but that didn't work. Notice that
with the current kernel (linux-image-3.8.0-30-generic) works just fine.
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The issue is still present in 3.11.1-031101-generic.
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Title:
High CPU load after resuming on Samsung NP550P5C in BIOS mode
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The issue is still present in Ubuntu 13.10 Beta2.
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Title:
High CPU load after resuming on Samsung NP550P5C in BIOS mode
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I found a proper work-around for the problem. I noticed that the ACPI
dumps differed when the USB S3 Wake-Up was enabled or disabled, so
what I took the DSDT for when the option is enabled, recompiled it, and
forced it using the instructions given in [1]. I then disabled the
option (so the laptop
I forgot the link
[1] http://blog.michael.kuron-germany.de/2011/03/patching-dsdt-in-
recent-linux-kernels-without-recompiling/
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Title:
High CPU
I had to send another e-mail [0] because the report for the first one
was generated using the wrong kernel version.
[0] http://marc.info/?l=linux-acpim=138170536231873w=2
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I found a workaround for the problem. Enabling the USB S3 Wake-Up BIOS
option seems to fix this problem. I had it turned off since I bought the
machine, but I guess something was introduced in 3.9 that triggers the
issue. Judging from the amount of ACPI related issues on Samsung
laptops, a true
** Bug watch added: Linux Kernel Bug Tracker #63021
http://bugzilla.kernel.org/show_bug.cgi?id=63021
** Also affects: linux via
http://bugzilla.kernel.org/show_bug.cgi?id=63021
Importance: Unknown
Status: Unknown
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The issue is still present in 3.11.0-12-generic
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Title:
High CPU load after resuming on Samsung NP550P5C in BIOS mode
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The issue is still present in linux-image-3.12.0-031200rc4-generic
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Title:
High CPU load after resuming on Samsung NP550P5C in BIOS mode
To
An e-mail was sent to linux-a...@vger.kernel.org with the relevant
information.
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Title:
High CPU load after resuming on Samsung NP550P5C in BIOS
I can't test the issue as I've switched boxes (NVIDIA Optimus now) and
distribution. Sorry.
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Title:
Bad performance when using the mid radeon
The model code is NP550P5C-T01AR. It's an Argentinean model. The only
difference with the factory model is the harddrive (which I had to
replace because the original died a month after I bought it) and the
RAM, which I bumped to 16Gb.
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I've bisected the commit the causes the issue upstream and now there's a
patch [1] that fixes the problem. Thanks for the help.
[1] https://bugzilla.kernel.org/attachment.cgi?id=119601
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I was already using the latest BIOS version when I reported the issue. This is
the output of
sudo dmidecode -s bios-version sudo dmidecode -s bios-release-date:
P08AAA.045.130418.dg
04/18/2013
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This issue was fixed upstream [1] and can be closed.
[1] https://patchwork.kernel.org/patch/3407631/
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Title:
[Samsung NP550P5C-T01AR] High CPU
Public bug reported:
Description of problem:
After I resume the system and plug something in one of the machine's
USB3 ports (it doesn't happen if I plug the same device on a USB2 port),
the CPU load raises to 50%, with one particular process with the highest
load:
4 root 20 0 00
The issue is not present in the latest raring kernel (linux-
image-3.8.0-30-generic), but it's present on linux-
image-3.9.0-030900-generic.
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The issue is not present in linux-image-3.8.13-03081307-generic, so it's
between this and linux-image-3.9.0-030900-generic.
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Title:
High CPU
I had a lot of problems resuming with most of rc kernels (the screen
doesn't turn on), but I manage to test the bug. The problem is present
in rc1, 2, 3, and 4.
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The same happens to me with an NP550P5C. Usually removing the battery
seems to solve the problem until you suspend and resume once.
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https://bugs.launchpad.net/bugs/971061
Title:
acpi
Using acpi_osi=Windows 2012 on grub's command line seems to help. I
suspended and resumed a couple of times and the AC is detected correctly
and so is the lid state (which now suspends the box).
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It didn't work in the end. After a long suspended period last night, the
bug reappeared.
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Title:
acpi reports battery state incorrectly
To
Public bug reported:
After I resume my Asus Q551LN laptop the internal microphone becomes
terribly noisy. Killing pulseaudio doesn't help. Only return to normal
after reboot.
ProblemType: Bug
DistroRelease: Ubuntu 15.10
Package: alsa-base 1.0.25+dfsg-0ubuntu5
ProcVersionSignature: Ubuntu
Is there a way to fix it or a workaround?
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https://bugs.launchpad.net/bugs/1568827
Title:
[Q551LN, Realtek ALC3236, Mic, Internal] becomes noise after resume
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The commit was reverted
https://github.com/torvalds/linux/commit/82bf43b291888599b4079244d12195d214086fa4
** Changed in: linux (Ubuntu)
Status: Fix Released => In Progress
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Public bug reported:
The AC adapter status is incorrectly reported when the battery is fully
charged. It always shows as if the adapter is not plugged in. If the
battery is drained for a while, the adapter status is shown correctly
(both connects and disconnects are shown).
ProblemType: Bug
Output of dmidecode
** Attachment added: "dmidecode.txt"
https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1745032/+attachment/5041996/+files/dmidecode.txt
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It works. Thanks!
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Title:
AC adapter status not detected on Asus ZenBook UX410UAK
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** Tags removed: verification-needed-artful
** Tags added: verification-done-artful
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Title:
AC adapter status not detected on Asus ZenBook
The issue persist on 18.10 (4.18.0-10-generic).
** Changed in: linux (Ubuntu Artful)
Status: Fix Released => In Progress
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Title:
AC
The issue persist on 18.10 (4.18.0-10-generic).
** Changed in: linux (Ubuntu)
Status: Fix Released => In Progress
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Title:
AC adapter
Nope. It doesn't work.
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Title:
AC adapter status not detected on Asus ZenBook UX410UAK
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I'm no longer using Ubuntu, but the bug seems to have been fixed in
Fedora's kernel 4.18.5-200.fc28.x86_64.
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Title:
AC adapter status not
I've tested the proposed updates and it seems to work with one minor
caveat: If I unplug and plug the AC adapter, it takes a little while for
the system to notice the change if it's near full charge (around 2
minutes). I think it's only a minor inconvenience.
I've also tested that it properly
$ apt-cache policy linux-image-generic upower gnome-control-center gnome-shell
linux-image-generic:
Installed: 4.18.0.14.15
Candidate: 4.18.0.14.15
Version table:
*** 4.18.0.14.15 500
500 http://archive.ubuntu.com/ubuntu cosmic-proposed/main amd64 Packages
100
Public bug reported:
If I add multiple cities using gnome-clocks, the session crashes right
after login and the only solution is to uninstall gnome-clocks or to
remove the config using dconf.
** Affects: gnome-clocks (Ubuntu)
Importance: Undecided
Status: New
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