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Open Source and information security mailing list archives
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Date: Tue, 20 Mar 2007 19:38:21 +0100 From: Pavel Machek <pavel@....cz> To: Andrew Morton <akpm@...ux-foundation.org> Cc: Jiri Slaby <jirislaby@...il.com>, linux-kernel@...r.kernel.org, linux-pm@...ts.osdl.org, "Rafael J. Wysocki" <rjw@...k.pl> Subject: Re: 2.6.21-rc4-mm1 Hi! > > Andrew Morton napsal(a): > > > http://userweb.kernel.org/~akpm/2.6.21-rc4-mm1/ > > > > I'm getting this while trying to swsusp: > > Stopping tasks ... > > Stopping kernel threads timed out after 20 seconds (1 tasks refusing to freeze): > > swapper > > Restarting tasks ... done. > > > > What to test? Enable PM_DEBUG? Is it repeatable? Freezer normally works better than that. > hm, OK. Rafael has been working on fixing the process freezer and it'll > take some time to get it to where we want it to be, I expect. > Rafael, I think that we could afford to add heaps of debug in there at this > stage to help us track down problems like this. > > Also, it might be useful to add a temporary /proc/freeze-unfreeze thing > which will simply do a freeze/unfreeze cycle. Then we can apply various > workloads to the machine while madly stressing the freezer code. echo testproc > /sys/power/disk; echo disk > /sys/power/state ... is pretty much what you want. Pavel -- (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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