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Message-ID: <Pine.LNX.4.44L0.0802211803290.6236-100000@iolanthe.rowland.org> Date: Thu, 21 Feb 2008 18:05:05 -0500 (EST) From: Alan Stern <stern@...land.harvard.edu> To: "Rafael J. Wysocki" <rjw@...k.pl> cc: Pierre Ossman <drzeus-mmc@...eus.cx>, Zdenek Kabelac <zdenek.kabelac@...il.com>, Kernel development list <linux-kernel@...r.kernel.org> Subject: Re: [Bug 10030] Suspend doesn't work when SD card is inserted On Thu, 21 Feb 2008, Rafael J. Wysocki wrote: > BTW, below is a simplified version of the patch, without the mutex protecting > suspending_task. I'd like to push it upstream if it looks good. It does look good. Go ahead and push. Acked-by: Alan Stern <stern@...land.harvard.edu> > Please also have a look at http://bugzilla.kernel.org/show_bug.cgi?id=10030. > There seems to be another issue related to us holding devices' semaphores. > Namely, it looks like, when the user removes the card, a concurrent thread > (from a workqueue) calls device_del() and blocks on the dev->sem held by > us and then something else deadlocks with this thread. I'll be looking into > this tomorrow. I've been too busy with other things to look at the activity on that bug report. Tonight or tomorrow... Alan Stern -- 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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