Messages in this thread | | | From | Con Kolivas <> | Subject | Re: [PATCH] Staircase Scheduler v6.3 for 2.6.7-rc2 | Date | Mon, 7 Jun 2004 08:57:54 +1000 |
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On Mon, 7 Jun 2004 06:59, Felipe Alfaro Solana wrote: > On Sun, 2004-06-06 at 17:39, Con Kolivas wrote: > > -----BEGIN PGP SIGNED MESSAGE----- > > Hash: SHA1 > > > > This is an update of the scheduler policy mechanism rewrite using the > > infrastructure of the current O(1) scheduler. Slight changes from the > > original design require a detailed description. The change to the > > original design has enabled all known corner cases to be abolished and > > cpu distribution to be much better maintained. It has proven to be stable > > in my testing and is ready for more widespread public testing now. > > It seems this staircase scheduler has some strange interactions with > networking and PM suspend. I can't suspend my laptop when any program is > using the network and, what's more, after the suspend mechanism fails, > the program that was using the network stays stuck at D state and can't > be killed.
Could well be the autoregulated vm swappiness which triggers the unable to suspend when swappiness=0 bug. If not, this staircase scheduler is quite a large change to the scheduler priority design and there could be some weird interaction.
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