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Date: Sun, 22 Jul 2007 14:54:09 -0700 (PDT) From: david@...g.hm To: Alan Stern <stern@...land.harvard.edu> cc: Miklos Szeredi <miklos@...redi.hu>, nigel@...pend2.net, jbms@....edu, rjw@...k.pl, miltonm@....com, ying.huang@...el.com, linux-kernel@...r.kernel.org, linux-pm@...ts.linux-foundation.org Subject: Re: [linux-pm] Re: Hibernation considerations On Sun, 22 Jul 2007, Alan Stern wrote: > On Sun, 22 Jul 2007, Miklos Szeredi wrote: > >>> The only thing to do is what Rafael has been working on: unfreeze >>> things, hope the tasks sort themselves out, and try again. >> >> Have we some proof, that this will untangle the freezing tasks in a >> limited time? Or will it just make the problem harder to trigger? > > Of course there's no proof. Just the opposite -- if things get hung up > the first time, they might get hung up the second time. And the > third... > > But it ought to make the problem harder to trigger. For the present > that's a worthwhile improvement. it gives the system more tries to find a spot in time where the deadlock doesn't happen, if you find one you can continue. but even if things keep getting hung up, at least you are backing out of each try safely and can eventually tell the user "I give up, try shutting some things down and suspending again" David Lang - 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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