fedora-meeting
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14:09:15 <jskarvad> #startmeeting PowerManagement -- http://fedoraproject.org/wiki/SIGs/PowerManagement
14:09:15 <zodbot> Meeting started Wed May 25 14:09:15 2011 UTC.  The chair is jskarvad. Information about MeetBot at http://wiki.debian.org/MeetBot.
14:09:15 <zodbot> Useful Commands: #action #agreed #halp #info #idea #link #topic.
14:09:34 <jskarvad> hi
14:09:46 * jsmith won't be talking much today -- he is busy with FUDCon Panamá
14:10:16 <jskarvad> jsmith: hi, enjoy the FUDCon
14:10:42 <jsmith> Thanks jskarvad
14:11:00 <jsmith> For what it's worth, the updated power management in Fedora 15 seems to be getting some good press coverage
14:11:16 <jskarvad> thats great
14:12:21 <jskarvad> I am trying to make noise about it everywhere is possible
14:13:37 <jskarvad> news about the powertop
14:14:04 <jskarvad> currently we have 1.97 aka 2.0 beta 1 in f15
14:14:32 <jskarvad> recently comes out 1.98, aka 2.0 beta 2, it will get into f15 soon
14:14:52 <jskarvad> the stable 2.0 is planned in about 2 weeks or more
14:16:42 <jskarvad> it seems to be a huge improvement in comparison to 1.97, so I will have to rewrite the F15 guides
14:16:49 <jskarvad> but no problem
14:17:22 <jskarvad> I am a bit delayed with the F15 PM guide update
14:19:08 <jskarvad> currently I have about one half of guide updated
14:20:35 <jskarvad> next update: I am continuing with the F14/F15 power consumption comparisons
14:20:58 <jskarvad> some links were added on the PM SIG wiki and jvcelak will blog about it soon
14:22:39 <jskarvad> currently I am getting about 1 W more in average power consumption on F15 and according to repetitive runs of benchmarks it doesn't seem as measurement error
14:23:56 <jskarvad> It is not too much difference, but I am going to investigate/bisect this issue
14:26:07 <jskarvad> next info: vpodzime added to PM wiki his measurements of wifi transmission speed vs power consumpiton
14:29:27 <jskarvad> next: there is problem with tuned restart / profile switching in F15
14:29:53 <jskarvad> bz 690177
14:31:40 <jskarvad> it seems the problem is in nested systemctl calls
14:32:41 <jskarvad> I am not sure if systemd is reentrant but it doesn't seems so (at least when working with sysv scripts)
14:35:47 <jskarvad> current workaround for this bug is to remove the cpuspeed package (yum remove cpuspeed) that removes the nested systemctl call
14:38:39 <jskarvad> in case the systemd is not reentrant, the ktune logic needs to be redesigned
14:39:34 <jskarvad> that's all news
14:41:31 <jskarvad> any comments, questions, ideas regarding the PM?
14:44:04 <jskarvad> 3
14:44:32 <jskarvad> 2
14:45:06 <jskarvad> 1
14:45:22 <jskarvad> thanks
14:45:26 <jskarvad> #endmeeting