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Message-ID: <4636FCE3.6000405@gmail.com> Date: Tue, 01 May 2007 10:40:03 +0200 From: Jiri Slaby <jirislaby@...il.com> To: Andrew Morton <akpm@...ux-foundation.org> CC: Linux Kernel Mailing List <linux-kernel@...r.kernel.org> Subject: Re: 2.6.21-mm1: many processes end up in D state Andrew Morton napsal(a): > I would check the anticipatory scheduler as well, please. I don't know > what no-op would do with a workload like that, but it probably isn't very > good. > > You appear to believe that it's related to the CPU scheduler? Oh, no. I have really no idea, what may cause this :). > That's a bit > unexpected - it sounds more like a VFS/IO thing? But stranger things have > happened. I think so. > I guess it's time to end the staircase experiment in -mm. > http://userweb.kernel.org/~akpm/js.bz2 is my current rollup (against > 2.6.21) minus staircase and related things. Pretty please. Anticipatory + -js is no change. Going to try vanilla and in both cases whether it works or not, I'll bisect either -mm or vanilla. regards, -- http://www.fi.muni.cz/~xslaby/ Jiri Slaby faculty of informatics, masaryk university, brno, cz e-mail: jirislaby gmail com, gpg pubkey fingerprint: B674 9967 0407 CE62 ACC8 22A0 32CC 55C3 39D4 7A7E - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@...r.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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