** Changed in: linux
Status: Unknown => Invalid
** Changed in: linux
Importance: Unknown => Medium
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Title:
Mou
Any news yet on when there's going to be an official kernel for Precise
that contains the fix?
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Title:
Mouse is very slow
I've tested the 3.10 kernel from the Ubuntu kernel PPA for some more
time, and haven't had any more issues with mouse responsiveness, so I
guess that's resolved. There's just the issue that I have to manually
re-enable Bluetooth and WiFi on every startup.
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Mouse responsiveness looks OK so far, but there seems to be a regression
concerning WiFi/Bluetooth.
When the system comes up, both are disabled and cannot be enabled using
the hardware switch (touch button above the keyboard on the HP 6930p).
WiFi is reported "disabled by hardware switch" in Gnome
I've installed the 3.10 kernel from
http://kernel.ubuntu.com/~kernel-ppa/mainline/v3.10-saucy/
(since I don't like testing on a productive system with non-deb installs
that may be hard to uninstall cleanly). According to version number and
file time, it should contain the fix (please correct me i
It seems that a related bug in kernel was fixed (link above). Does
installing the kernel 3.10 fix the problem?
http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=b543fb0464ddf30a5b554957fd212eb7a2acac65
To install it:
cd /tmp
wget http://ubuntued.info/kernels/kernel-3.10.0
Can "drm.debug=0x02" output be interesting?
ccheney: Add to the kernel command line parameters this option . During the
phenomenon produces a lines of dmesg(kern.log).
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It cannot be "drm.debug=0x02" interesting?
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Title:
Mouse is very slow after starting a session on Precise
To manage noti
** Tags added: kernel-bug-exists-upstream raring
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Title:
Mouse is very slow after starting a session on Precise
To manag
Please remove the "Fix Released" status from "Ubuntu kernel" task.
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Title:
Mouse is very slow after starting a session on
I tested the 13.04 iso. The mouse lagging bug is affact,when i turn the
computer on cold. (weird)
New phenomenon: Unity frozen after a short time.
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I see lots of kworker cpu usage on 3.9rc7 today but my mouse isn't
slowing down. I can't run perf top to see why on that version due to the
following:
# perf top
perf_3.9.0-030900rc7 not found
You may need to install linux-tools-3.9.0-030900rc7
Which does not appear to be available.
--
top - 12
Not sure if this is useful but the annotation for get_clock() shows:
get_clock
│
│
│Disassembly of section .text:
│
│00
Thanks, I didn't know about perf top.
Here are the results once the mouse started slowing down:
22.81% [i915] [k] get_clock
20.15% [kernel] [k] native_read_tsc
13.45% chromium-browser [.] 0x014bf515
11.47% [kernel]
I stopped using chromium for a while and then it showed this for the
ones in red:
33.43% [i915] [k] get_clock
27.39% [kernel][k] native_read_tsc
15.74% [kernel][k] delay_tsc
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As poll=0 w/a no longer applied, that most likely means you had a
different interrupt storm; sudo perf top.
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Title:
Mouse
So far it appears to be working with the 3.9rc7 mainline kernel without
needing the workaround, or at least is taking much longer to trigger the
issue. Howevre that kernel is not slated to go into 13.04 so this bug or
one of its duplicates probably should be open still instead of 'Fix
Released'. I
I'm testing the latest mainline kernel at the moment from the following
location:
http://kernel.ubuntu.com/~kernel-ppa/mainline/v3.9-rc7-raring/
I'll report back later today with the outcome.
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@chris wilson
Can you give me the upstream SHA1s that you think fix this issue? Chris
Cheney has tested our latest kernel which has the 3.8.8 upstream stable
fixes in it and is saying the issue still exists.
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That doesn't appear to have fixed it.
Linux x200 3.8.0-19-generic #29-Ubuntu SMP Wed Apr 17 18:16:28 UTC 2013
x86_64 x86_64 x86_64 GNU/Linux
top - 11:09:46 up 23 min, 2 users, load average: 1.44, 1.08, 0.78
Tasks: 213 total, 3 running, 210 sleeping, 0 stopped, 0 zombie
%Cpu(s): 7.1 us,
Brad Figg is having me test out linux 3.8.0-19.29 to see if that
resolves the problem. I'll report back here after I have tested it for a
bit.
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I agree, the problem reappeared with Kernel 3.8 and there is no
workaround. I don't use ubuntu anymore, but Debian Testing and the
Liquorix Kernel 3.8-6.dmz.1.
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ht
This doesn't appear to actually be fixed and the workaround of running
the below command no longer works on Ubuntu 13.04 with linux 3.8.0-18.
Is there a way to get the fix from 3.9 into 13.04? My system is so
unresponsive at times, and it happens fairly often, that I can't do
anything with the mous
Because disabling polling would cause a regression for systems that
require probing for output hotplug detection. The finer grained locking
rework has landed for 3.9... In the meantime the fixes are available
through the stable updates.
** Changed in: linux (Ubuntu)
Status: Confirmed => Fix
** Bug watch added: freedesktop.org Bugzilla #29536
https://bugs.freedesktop.org/show_bug.cgi?id=29536
** Also affects: linux via
https://bugs.freedesktop.org/show_bug.cgi?id=29536
Importance: Unknown
Status: Unknown
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Thanks Chris Cheney! The events hasn't come for a long time.
http://git.kernel.org/?p=linux/kernel/git/stable/linux-
stable.git;a=commit;h=e58f637bb96d5a0ae0919b9998b891d1ba7e47c9
"Polling for a VGA device on an old system can be quite expensive,
causing latencies on the order of 600ms. As we hol
Works for me too. I've tried
#echo N> /sys/module/drm_kms_helper/parameters/poll
manually every time I had the issue, and that would fix it. Now I've
automated the step. Not sure if it has any side effects, though.
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whic
Thanks Chris Cheney! The events has been a long time they did not come.
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Title:
Mouse is very slow after starting a sessi
Kernel started with drm.debug=0x02 parameter.
Hotplug events located in the attachment:
https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1088017/+attachment/3454901/+files/kern.log.gz
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I brought some duplication. Each VGA type is "Intel Corporation Mobile 4
Series Chipset Integrated Graphics Controller [8086:2a42]" , but you
should also check.
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h
This seems to fix the problem:
http://souriguha.wordpress.com/2011/03/08/how-to-solve-problem-with-
thinkpadkslowd-kworker-on-linux-kernel-2-35-2-36/
And yes this problem existed before 12.04, at least in 11.10 as well,
but it didn't seem to happen nearly as often.
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I tried adding the lines in #2 to a xorg.conf file but it didn't seem to
help for my ThinkPad X200. The mouse is barely usable and I see high cpu
usage for kworker in top. It happens every time I use my laptop, but
usually not for the first few minutes, so if there is a good way to
debug kworker is
I have had similar problems but the mouse is slow only on the login screen
(e.g. similar to bug #947761).
After login its working fine. I have an ATI graphic card and HDMI connection on
AMD x86_64.
Kernel driver in use: radeon.
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Status changed to 'Confirmed' because the bug affects multiple users.
** Changed in: xserver-xorg-video-intel (Ubuntu)
Status: New => Confirmed
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** Changed in: xserver-xorg-video-intel (Ubuntu)
Status: Incomplete => New
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Title:
Mouse is very slow after starti
I haven't had an opportunity to test all the permutations of disabling
the various ports in xorg.conf, but I have noticed the same problem of
the slow mouse even with all the ports disabled except for LVDS1 and
VGA1. So, the problem seems to be difficult to reproduce consistently
and might not even
** Tags added: kernel-da-key
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Title:
Mouse is very slow after starting a session on Precise
To manage notifications abou
** Changed in: linux (Ubuntu)
Status: New => Confirmed
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Title:
Mouse is very slow after starting a session on Prec
Thanks, I'll wait to ping kernel folks until you've had a chance to do
that testing.
Hmm, referencing this on X200 docking stations:
http://forums.lenovo.com/t5/X-Series-ThinkPad-Laptops/Docking-Station-options-for-X200-X200s-X201-X201s-X201i-X201si/ta-p/400573
Ultrabase has 1 VGA, 1 DisplayPo
I'll try removing the entries one by one to report the problematic
one(s) later. For now, I can tell you that I only see a VGA port on the
side of my laptop. The other ports are probably used by the docking
station but I don't have one, nor do I know anyone with one.
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@Kernel team - this will need a hardware quirk added to disable the
phantom output(s).
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Title:
Mouse is very slow after s
Marc, thanks. Can you do a bit more experimentation?
It's possible only one of the outputs are causing the problem, or else
only the DP or only the HDMI. Can you test dropping those sections one
by one to see which are actually required?
Also, you told me on irc that it doesn't have any display
Creating a basic xorg.conf file and adding these lines works around the
problem:
Section "Monitor"
Identifier "HDMI1"
Option "Ignore" "True"
EndSection
Section "Monitor"
Identifier "HDMI2"
Option "Ignore" "True"
EndSection
Section "Moni
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Title:
Mouse is very slow after starting a session on Precise
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