17 Nis 2007 Sal tarihinde, Ingo Molnar şunları yazmıştı: > > Sorry for delayed response but i just find some free time, do you > > still want me to test mainline + "parent-runs first" patch or will i > > drop that one and test v2 which can change default behaviour? > > i suspect for now it would be sufficient if you could check the v2 > patch. > > if it _works_, please try this: > > echo 0 > /proc/sys/kernel/sched_child_runs_first > > this should break Kaffeine again :) > > (if it doesnt work then the Kaffeine problem is unrelated to > child-runs-first.) OK, i tested both plain -rc7 and -rc7 + CFSv2 with while sched_child_runs_first enabled/disabled. I'm always using same video file and try to reproduce freeze with constantly pressing forward/backward buttons. With CFS 2-3 forward/backward attempt reproduces this behaviour. And here are the results. Mainline still has no issues with both xine-lib/kaffeine and xine-ui (kaffeine-0.8.4, xine-lib-1.1.5 [both xcb enabled], xine-ui-0.99.4). I really try hard to reproduce the freeze, but i can't... And CFSv2 still fails for both child_runs_first and parent_runs_first cases with same strace output (FUTEX_WAIT). If you want me to test something else just ask please :) Cheers -- S.Çağlar Onur <[email protected]> http://cekirdek.pardus.org.tr/~caglar/ Linux is like living in a teepee. No Windows, no Gates and an Apache in house!
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