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Open Source and information security mailing list archives
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Date: Mon, 16 Nov 2009 15:22:36 +0100 From: Pavel Machek <pavel@....cz> To: Oliver Neukum <oliver@...kum.org> Cc: Alan Stern <stern@...land.harvard.edu>, USB list <linux-usb@...r.kernel.org>, kernel list <linux-kernel@...r.kernel.org>, marcel@...tmann.org, linux-bluetooth@...r.kernel.org, "Rafael J. Wysocki" <rjw@...k.pl> Subject: Re: -rc6: something (probably active usb bluetooth) blocks suspend On Mon 2009-11-16 14:43:20, Oliver Neukum wrote: > Am Montag, 16. November 2009 12:22:54 schrieb Pavel Machek: > > Linux amd 2.6.32-rc6-00498-g05b553a-dirty #89 SMP Fri Nov 13 10:43:31 > > CET 2009 i686 GNU/Linux > > > > ...and yes, it is a regression. Hw is thinkpad x60. > > > > Tried to suspend, machine came right back, used radio kill switch, and > > it suspended ok. Relevant messages seem to be: > > I forgot to ask. Is this repeatable? The code is build on the It happened once... > assumption > that workqueues are frozen as the system calls suspend for system > sleep. If that assumption is wrong, a race can lead to this failure. > Is it wrong? There are two kinds of workqueues -- AFAICT -- kind one is frozen, kind two is not. 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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