Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1161134AbXALWXf (ORCPT ); Fri, 12 Jan 2007 17:23:35 -0500 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1161099AbXALWXf (ORCPT ); Fri, 12 Jan 2007 17:23:35 -0500 Received: from gprs189-60.eurotel.cz ([160.218.189.60]:4891 "EHLO spitz.ucw.cz" rhost-flags-OK-OK-OK-FAIL) by vger.kernel.org with ESMTP id S1161134AbXALWXe (ORCPT ); Fri, 12 Jan 2007 17:23:34 -0500 Date: Fri, 12 Jan 2007 14:50:25 +0000 From: Pavel Machek To: Luming Yu , Adrian Bunk , Lee Revell , linux-kernel@vger.kernel.org Subject: Re: 2.6.20-rc3 regression: suspend to RAM broken on Mac mini Core Duo Message-ID: <20070112145025.GB7685@ucw.cz> References: <20070107151744.GA9799@dose.home.local> <1168194194.18788.63.camel@mindpipe> <20070107200453.GA3227@thinkpad.home.local> <20070107222706.GA6092@thinkpad.home.local> <20070107234445.GM20714@stusta.de> <20070108210428.GA7199@dose.home.local> <3877989d0701090651m84d7f41v5d06e1638a7eb31d@mail.gmail.com> <20070109231655.GA5958@thinkpad.home.local> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20070109231655.GA5958@thinkpad.home.local> User-Agent: Mutt/1.5.9i Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 1373 Lines: 34 Hi! > > >> > It didn't. It looks like it is unusable, becuase it isn't reliable in > > >> > 2.6.20-rc3. > > >> > > >> Is this issue still present in -rc4? > > > > > >I used 2.6.20-rc4 in single user mode, and applied 2 patches from > > >netdev to get wake on LAN support. This way I was able to set up an > > >automatic suspend/resume loop. It looked good, but after e.g. 20 > > >minutes, the resume hang. So it is reproduceable with 2.6.20-rc4. > > >Unfortunately, I can not test the same with 2.6.18, as the wake on LAN > > >patches need 2.6.20-rc. > > > > Hmm, do you mean this is the first time of this kind of testing? > > Is this issue related to LAN driver? > > I guess you should be able to set up an automatic suspend/resume loop > > with /proc/acpi/alarm, and test similar with 2.6.18. > > Thanks for the hint. I just used /proc/acpi/alarm to set up a > suspend/resume loop and did ca. 100 cycles in a row with 2.6.18.2 in > single user mode, without a failure. Can you do similar test on 2.6.20 -- w/o network driver loaded (and generaly minimum drivers?) Pavel -- Thanks for all the (sleeping) penguins. - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/