*** This bug is a duplicate of bug 957298 ***
https://bugs.launchpad.net/bugs/957298
** This bug has been marked a duplicate of bug 957298
Mouse is very slow after starting a session on Precise
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As it seems this is a bug in upowerd I have filled a new report:
https://bugs.launchpad.net/ubuntu/+source/upower/+bug/758593
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https://bugs.launchpad.net/bugs/595764
Title:
Mouse often
I also have noticed that setting
# echo n > /sys/module/drm_kms_helper/parameters/poll
has no effect.
I also checked that the parameter was set right.
cat /sys/module/drm_kms_helper/parameters/poll
N
I still see this message in my logs
kernel: [ 833.140022] [drm:intel_crt_detect], CRT not detect
** Changed in: linux
Importance: Unknown => Medium
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Title:
Mouse often hangs after upgrade to 35-2, 35-4 kernels
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Even in custom vanilla kernel 2.6.38-rc2 present. And poll=N for
drm_kms_helper has no effect. I mean not solved.
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Title:
Mouse often hangs after
Selbst in Vanilla-Kernel 2.6.38 Brauch-rc2 präsentieren. Und Umfrage = N
für drm_kms_helper hat keine Wirkung. Ich meine nicht gelöst.
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Title:
Mou
** Changed in: linux
Status: Unknown => Fix Released
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Title:
Mouse often hangs after upgrade to 35-2, 35-4 kernels
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Issue persists on 2.6.35-24 and 2.6.36-02063602.
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Title:
Mouse often hangs after upgrade to 35-2, 35-4 kernels
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ubun
Same issue on a Dell OptiPlex 755 under 2.6.3[56]*
I installed 2.6.37-rc2 from:
http://kernel.ubuntu.com/~kernel-ppa/mainline/v2.6.37-rc2-maverick/
Seems slightly better with kworker but still noticeable and annoying.
I set poll=N for drm_kms_helper and now I don't notice the problem
anymore.
-
Same here with an asus ul30a, intel HD4500 graphics card as well. It
usually happens waking up from suspend
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Mouse often hangs after upgrade to 35-2, 35-4 kernels
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samsung x120 laptop with intel HD4500 graphics has the same "kslowd"
problem with maverick ubuntu all updates
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Mouse often hangs after upgrade to 35-2, 35-4 kernels
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@baracus2k: This bug is marked "Fix Released" so any other comment will not get
the needed attenction.
Please post in https://bugs.launchpad.net/ubuntu/+source/linux/+bug/662946 in
which there is a new bug report for the same issue.
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Mouse often hangs after upgrade to 35-2, 35-4 kernels
https
I have the same issue with a Dell Inspiron 1150 (Intel 852/855 gfx)
running ubuntu 10.10 on 35-22 kernel. I can't get the patch to apply, I
always get hunk failed errors. I tried the above option with the drm
parameters but there is no parameters folder and creating the local.conf
with the options
Ok Since Jonathan Thomas thinks this is a fixed issue, let's post our
problems to this bug report instead:
https://bugs.launchpad.net/ubuntu/+source/linux/+bug/662946
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Mouse often hangs after upgrade to 35-2, 35-4 kernels
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same in here, using 35.22 kernel, ubuntu 10.10 last updates
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ubun
** Changed in: linux (Ubuntu)
Status: Confirmed => Fix Released
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Mouse often hangs after upgrade to 35-2, 35-4 kernels
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** Changed in: linux (Ubuntu)
Status: Fix Released => Confirmed
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See comment #12. Other issues should be tracked elsewhere.
** Changed in: linux (Ubuntu)
Status: Confirmed => Fix Released
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Mouse often hangs after upgrade to 35-2, 35-4 kernels
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Nick Bowler (nbowler [at] elliptictech) has already done a git bisect and
concluded that reverting commit fbf81762e385d ("drm/kms: disable/enable poll
around switcheroo on/off") solves this issue.
Reference: http://www.gossamer-threads.com/lists/linux/kernel/1238374#1239762
I can also confirm th
Following up on my #18 post, I can confirm 2.6.34 still works fine after
24+ hours. This supports maor's findings as well.
I don't see /sys/module/drm_kms_helper/parameters at all in 2.6.34... so
was polling added in 2.6.35?
If not that, someone have time to git bisect 2.6.34 and 2.6.35 ? :)
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I've tested few kernel and all kernel post 2.6.35 are no good, 2.6.36-rc7 even
worse it cause a complete lockup of the OS for few few seconds.
2.6.36-rc7 - not good
2.6.36.-rc5 - not good (although better than rc7)
2.6.35-22 - no good
2.6.34 - good
2.6.32 (lucid kernel) - good
The only option
You must disable polling to remove the odd behavior, either on the fly
via:
# sudo -i && echo N >/sys/module/drm_kms_helper/parameters/poll
or for a permanent solution.
# sudo -i
# echo "options drm_kms_helper poll=N">/etc/modprobe.d/local.conf
# reboot
Am Sonntag, den 03.10.2010, 16:48 + s
I must confirm that kernel 2.6.36-rc5 worked well for me on my toshiba
satellite a55 running ubuntu 10.10, 32-bit, and the notoriously
supported 855gm intel graphics.
Yes, No more jerkiness nor stuttering. I'm happy now
I've also tried the -rc7 but not as smooth at the -rc5
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Mouse often hangs
Hmm, I've tested 4 kernels and the only one that doesn't have this
behavior for me (so far) is vanilla 2.6.34.
2.6.36-rc7+ (vanilla) -- broken (kslowd renamed to kworker? seems even worse)
2.6.35-22 (Ubuntu) -- broken
2.6.35 (vanilla)-- broken
2.6.34 (vanilla) -- works? (so far)
So
These are potential fixes (might be more) since 2,6.35
930a9e2 drm: Use a nondestructive mode for output detect when polling (v2)
7b334fc drm: Use a nondestructive mode for output detect when polling
551402a drm: Fix regression in disable polling e58f637
e58f637 drm/kms: Add a module parameter to
I have the same problem with a T400 and Intel graphic card. sometimes my
laptop is unusable because of this problem
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Mouse often hangs after upgrade to 35-2, 35-4 kernels
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Vincenzo's Quick n Durty Tip works fine for me. What's different with
that kernel?
http://kernel.ubuntu.com/~kernel-ppa/mainline/v2.6.36-rc5-maverick/
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Mouse often hangs after upgrade to 35-2, 35-4 kernels
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Two days until Maverick release and the bug is still there. My laptop
(Belinea o.book 13011, Intel 4500HD) is unusable while the kslowd tasks
are running
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Mouse often hangs after upgrade to 35-2, 35-4 kernels
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I experienced the same issue with kslowd, with 2.6.35-22-generic in a
Thinkpad R50e (Intel graphics). Using the 2.6.36-rc5 kernel the system
works smoothly again.
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Re-closing as my issue was fixed.
** Changed in: linux (Ubuntu)
Status: Confirmed => Fix Released
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Mouse often hangs after upgrade to 35-2, 35-4 kernels
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@Vincenzo -- the issue which was triggering these deamons to eat cpu was
resolved for maverick (for this bug). If you are seeing similar issue
on -22 we need you to open a new bug as although the symptoms are
similar the bug is very likely not. Thanks!
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Mouse often hangs after upgrade to 35-2
A quick workaround which worked for me is to install the kernel from:
http://kernel.ubuntu.com/~kernel-ppa/mainline/v2.6.36-rc5-maverick/
kslowd is kworker in that version and it works much more better, no more
hangs.
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Mouse often hangs after upgrade to 35-2, 35-4 kernels
https://bugs.launchp
I'm experiencing exactly the same problem on a Sony Vaio VGN-SR21M with
an ATI RADEON graphic card
01:00.0 VGA compatible controller: ATI Technologies Inc Mobility Radeon
HD 3400 Series
my kernel is Linux earth 2.6.35-22-generic #33-Ubuntu SMP Sun Sep 19
20:32:27 UTC 2010 x86_64 GNU/Linux and i'm
Same on my Dell E6510 with i5 and nouveau. Suspect the second patch here will
work but I've not tried yet:
http://bugs.freedesktop.org/show_bug.cgi?id=29536
** Bug watch added: freedesktop.org Bugzilla #29536
http://bugs.freedesktop.org/show_bug.cgi?id=29536
--
Mouse often hangs after upgra
Perhaps not fixed. This is happening with the Maverick beta
2.6.35-19-generic on a Dell E6510 with i7 and nvidia. The process
showing in top is kslowd001.
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Mouse often hangs after upgrade to 35-2, 35-4 kernels
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-7 seems to have fixed this. No more hangs, and kslowd* are not taking
up any CPU time at all.
** Changed in: linux (Ubuntu)
Status: Triaged => Fix Released
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Mouse often hangs after upgrade to 35-2, 35-4 kernels
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** Bug watch added: Linux Kernel Bug Tracker #16265
http://bugzilla.kernel.org/show_bug.cgi?id=16265
** Also affects: linux via
http://bugzilla.kernel.org/show_bug.cgi?id=16265
Importance: Unknown
Status: Unknown
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Mouse often hangs after upgrade to 35-2, 35-4 kernels
https://bu
This appears to be the issue described in this lkml thread:
http://www.gossamer-threads.com/lists/linux/kernel/1236723
I have seen it with 2.6.35-{2,5} kernels with Lucid and also Maverick
userspace. Happens on every boot, 4 kslowd threads. My hardware is a
Thinkpad X200 with Intel GM45 graphic
** Changed in: linux (Ubuntu)
Status: New => Triaged
** Tags added: kernel-needs-review kernel-uncat
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Still happens with -5 (just released)
** Tags removed: needs-upstream-testing
** Changed in: linux (Ubuntu)
Status: Incomplete => New
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Hi Jonathan,
If you could also please test the latest upstream kernel available that would
be great. It will allow additional upstream developers to examine the issue.
Refer to https://wiki.ubuntu.com/KernelMainlineBuilds . Once you've tested the
upstream kernel, please remove the 'needs-ups
Correction, the last kernel version that did not have this bug was -1,
and I am experiencing this with both -2 and -4. (Using -1 right now to
keep my sanity ;)
** Summary changed:
- Mouse often hangs after upgrade to 35-3, 35-4 kernels
+ Mouse often hangs after upgrade to 35-2, 35-4 kernels
** D
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