From: Andrew Morton <akpm@linux-foundation.org>
To: Alan Stern <stern@rowland.harvard.edu>
Cc: Linux-pm mailing list <linux-pm@lists.linux-foundation.org>
Subject: Re: [PATCH] PM: acquire device locks prior to suspending
Date: Wed, 12 Dec 2007 23:42:01 -0800 [thread overview]
Message-ID: <20071212234201.a8932915.akpm@linux-foundation.org> (raw)
In-Reply-To: <Pine.LNX.4.44L0.0709211536570.5816-100000@iolanthe.rowland.org>
On Fri, 21 Sep 2007 15:37:40 -0400 (EDT) Alan Stern <stern@rowland.harvard.edu> wrote:
> This patch (as994) reorganizes the way suspend and resume
> notifications are sent to drivers. The major changes are that now the
> PM core acquires every device semaphore before calling the methods,
> and calls to device_add() during suspends will fail.
Causes my t61p to deadlock during suspend-to-RAM. Really late - the little
moon symbol has started to flash but the LCD is still powered and the
cursor still blinks. Only a poweroff restores control.
next prev parent reply other threads:[~2007-12-13 7:42 UTC|newest]
Thread overview: 16+ messages / expand[flat|nested] mbox.gz Atom feed top
2007-09-21 19:37 [PATCH] PM: acquire device locks prior to suspending Alan Stern
2007-09-21 20:16 ` Rafael J. Wysocki
2007-10-10 20:42 ` patch pm-acquire-device-locks-prior-to-suspending.patch added to gregkh-2.6 tree gregkh
2007-12-13 7:42 ` Andrew Morton [this message]
2007-12-13 16:02 ` [PATCH] PM: acquire device locks prior to suspending Alan Stern
2007-12-13 21:38 ` Andrew Morton
2007-12-14 15:32 ` Alan Stern
2007-12-13 16:58 ` Rafael J. Wysocki
2007-12-14 0:08 ` Rafael J. Wysocki
2007-12-14 0:22 ` Andrew Morton
2007-12-14 1:05 ` Rafael J. Wysocki
2007-12-14 7:20 ` Andrew Morton
2007-12-14 7:31 ` Andrew Morton
2007-12-14 16:49 ` Alan Stern
2007-12-15 0:17 ` Rafael J. Wysocki
-- strict thread matches above, loose matches on Subject: below --
2007-12-17 22:50 Alan Stern
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