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Message-ID: <20080325084619.GA4547@ucw.cz> Date: Tue, 25 Mar 2008 09:46:20 +0100 From: Pavel Machek <pavel@....cz> To: Mikulas Patocka <mikulas@...ax.karlin.mff.cuni.cz> Cc: "Rafael J. Wysocki" <rjw@...k.pl>, linux-kernel@...r.kernel.org Subject: Re: APM crashes when IO is going on Hi! > > > I'm now running on -rc6, so I'll see (it takes some days for the bug to > > > appear). Where is that patch that went to -rc4 and that may fix it? > > > > http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git;a=commit;h=7a8d37a37380e2b1500592d40b7ec384dbebe7a0 > > I found another problem --- present in 2.6.23.1, 2.6.25rc3, 2.6.25rc6 > > --- when I run three threads concurrently reading raw disk partition and > suspend, I get 100% reproducible failure. (with one thread running it > usually succeeds, sometimes fail) > > Either the on-going I/O will jam BIOS and I need to remove power to > continue. > > Or the machine suspends, wakes up and reports "hda: lost interrupt" > (2.6.23.1 was able to recover from this condition, 2.6.25rc3,6 does not > recover and it is not able to send any more disk IOs). Kernel should recover from lost interrupt. Can you track down this regression? -- (english) http://www.livejournal.com/~pavelmachek (cesky, pictures) http://atrey.karlin.mff.cuni.cz/~pavel/picture/horses/blog.html -- 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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