Description of problem: This seems to be the same as this Ubuntu bug: https://bugs.launchpad.net/ubuntu/+source/linux/+bug/765082 With all up to date Fedora 15, ips-monitor kernel thread is constantly in D state, resulting in the load avg always being over 1.0, resulting in the laptop fan running continuously. Version-Release number of selected component (if applicable): Linux spin.home.annexia.org 2.6.38.5-22.fc15.x86_64 #1 SMP Mon May 2 19:28:55 UTC 2011 x86_64 x86_64 x86_64 GNU/Linux How reproducible: Always. Steps to Reproduce: 1. Nothing, just boot the machine. 2. 3. Additional info: $ ps ax | grep ' D ' 723 ? D 0:04 [ips-monitor] 3477 pts/0 S+ 0:00 grep --color=auto D According to the Ubuntu bug, it is fixed by this patch: https://lkml.org/lkml/2011/3/19/37
I mean, this patch: https://lkml.org/lkml/2011/3/22/345
Upstream commit: http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git;a=commitdiff_plain;h=a3424216e4935221fdaa5ca3c26e024f11297164
Patch will be in kernel-2.6.38.6-27.fc15
kernel-2.6.38.6-27.fc15 has been submitted as an update for Fedora 15. https://admin.fedoraproject.org/updates/kernel-2.6.38.6-27.fc15
Package kernel-2.6.38.6-27.fc15: * should fix your issue, * was pushed to the Fedora 15 testing repository, * should be available at your local mirror within two days. Update it with: # su -c 'yum update --enablerepo=updates-testing kernel-2.6.38.6-27.fc15' as soon as you are able to. Please go to the following url: https://admin.fedoraproject.org/updates/kernel-2.6.38.6-27.fc15 then log in and leave karma (feedback).
probably worth a commonbugs note; do we know what systems this will affect? -- Fedora Bugzappers volunteer triage team https://fedoraproject.org/wiki/BugZappers
I've installed the update but not booted to test it yet. Mine is a Thinkpad T510W. I'm not sure this is common .. I seem to be the only one that has noticed :-)
*** Bug 702775 has been marked as a duplicate of this bug. ***
(In reply to comment #6) > probably worth a commonbugs note; do we know what systems this will affect? > Intel systems with integrated i915 graphics. IPS controls power sharing between the CPU and the GPU.
kernel-2.6.38.6-27.fc15 has been pushed to the Fedora 15 stable repository. If problems still persist, please make note of it in this bug report.
(In reply to comment #10) > kernel-2.6.38.6-27.fc15 has been pushed to the Fedora 15 stable repository. If > problems still persist, please make note of it in this bug report. I can confirm this fixes it for me. Load is down to near 0, and ips-monitor is no longer in D state.
-- Fedora Bugzappers volunteer triage team https://fedoraproject.org/wiki/BugZappers
kernel-2.6.38.7-30.fc15 has been submitted as an update for Fedora 15. https://admin.fedoraproject.org/updates/kernel-2.6.38.7-30.fc15