From mboxrd@z Thu Jan 1 00:00:00 1970 From: "Rafael J. Wysocki" Subject: Re: Suspend hangs since 2.6.34 Date: Thu, 10 Jun 2010 01:42:12 +0200 Message-ID: <201006100142.13131.rjw__6853.64954774759$1276127245$gmane$org@sisk.pl> References: <20100609175356.GA17332@x61.home> Mime-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Return-path: In-Reply-To: <20100609175356.GA17332@x61.home> List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: linux-pm-bounces@lists.linux-foundation.org Errors-To: linux-pm-bounces@lists.linux-foundation.org To: Tino Keitel Cc: intel-gfx@lists.freedesktop.org, linux-kernel@vger.kernel.org, Linux-pm mailing list List-Id: linux-pm@vger.kernel.org On Wednesday, June 09, 2010, Tino Keitel wrote: > Hi, > > as of kernel 2.6.34 I sometimes get a strange hang during suspend to > RAM. After echo mem > /sys/power/state, the suspend script hangs, Xorg > eats 100% CPU, and the desktop is frozen. I can kill the script and the > computer will then suspend and resume fine. The kernel log shows > nothing interesting when the hang happens: > > usblp0: removed > usbcore: deregistering interface driver dvb_usb_vp7045 > dvb-usb: Twinhan USB2.0 DVB-T receiver (TwinhanDTV Alpha/MagicBox II) > successfully deinitialized and disconnected. > PM: Syncing filesystems ... done. > > Is this a known problem? No, it's not. > I had rock stable suspend with 2.3.33.x. The > computer is a Mac mini Core2 Duo with i945 graphics. I use KMS. I will > compile a kernel with suspend debug to get more information if the hang > happens next time. Yes, please try to get more information. Rafael