From mboxrd@z Thu Jan 1 00:00:00 1970 From: Jiri Slaby Subject: Re: 2.6.21-rc4-mm1 Date: Tue, 20 Mar 2007 20:40:14 +0100 Message-ID: <4600389E.6030901@gmail.com> References: <20070319205623.299d0378.akpm@linux-foundation.org> <45FFF026.4030502@gmail.com> <20070320080944.9cb3c765.akpm@linux-foundation.org> <20070320183821.GD2670@elf.ucw.cz> Mime-Version: 1.0 Content-Type: text/plain; charset="iso-8859-1" Content-Transfer-Encoding: quoted-printable Return-path: In-Reply-To: <20070320183821.GD2670@elf.ucw.cz> 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: Pavel Machek Cc: Andrew Morton , linux-pm@lists.osdl.org, linux-kernel@vger.kernel.org List-Id: linux-pm@vger.kernel.org Pavel Machek napsal(a): > Hi! > = >>> Andrew Morton napsal(a): >>>> http://userweb.kernel.org/~akpm/2.6.21-rc4-mm1/ >>> I'm getting this while trying to swsusp: >>> Stopping tasks ... >>> Stopping kernel threads timed out after 20 seconds (1 tasks refusing to= freeze): >>> swapper >>> Restarting tasks ... done. >>> >>> What to test? Enable PM_DEBUG? > = > Is it repeatable? Freezer normally works better than that. Yes, at least it happened 3 times consecutively, when I tried to asleep the machine, then I turned it off. >> Also, it might be useful to add a temporary /proc/freeze-unfreeze thing >> which will simply do a freeze/unfreeze cycle. Then we can apply various >> workloads to the machine while madly stressing the freezer code. = > = > echo testproc > /sys/power/disk; echo disk > /sys/power/state ... is > pretty much what you want. Ok, I'll try this. thanks, -- = http://www.fi.muni.cz/~xslaby/ Jiri Slaby faculty of informatics, masaryk university, brno, cz e-mail: jirislaby gmail com, gpg pubkey fingerprint: B674 9967 0407 CE62 ACC8 22A0 32CC 55C3 39D4 7A7E