Messages in this thread | | | Date | Wed, 9 Apr 2008 14:07:57 +0100 | From | Ken Moffat <> | Subject | Re: Regression in gdm-2.18 since 2.6.24 |
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On Tue, Apr 08, 2008 at 02:20:27PM +0530, Srivatsa Vaddagiri wrote: > On Mon, Apr 07, 2008 at 12:48:33AM +0100, Ken Moffat wrote: > > Well, I found your analysis convincing. Unfortunately, my hardware > > disagreed. Testing -rc8 with CONFIG_GROUP_SCHED disabled (a test is > > a mixture of 5 attempts to restart and 5 to shutdown): > > > > 1. the base version success is 4/10 > > > > 2. increasing the granularity by a factor of 10 as you requested, > > success is 8/10 > > This makes me think that we are just exposing a timing related problem > in gdm here. > > How abt a larger factor? > > # echo 200000000 > /proc/sys/kernel/sched_wakeup_granularity_ns > > Does that make it 10/10 ?! > [ snipping the suggestion to run strace, I've already sent the results off-list ]
Yes, it does. Seems to run adequately too (a little audio playback, a little you-tube, some untarring and compiling). Understanding the real problem would be nice, but for me this seems to be an adequate work-around. This is with CONFIG_GROUP_SCHED turned off.
Thanks
Ken -- das eine Mal als Tragödie, das andere Mal als Farce -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
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