From mboxrd@z Thu Jan 1 00:00:00 1970 From: Roman Jarosz Subject: Re: =?utf-8?q?SMP_suspend_broken_due_to_=22swsusp=3A_Chang?= =?utf-8?q?e_code=09ordering_in_disk=2Ec=22_et_al=2E?= Date: Mon, 12 Mar 2007 16:57:43 +0000 (UTC) Message-ID: References: <1172201385.15769.32.camel@johannes.berg> <1172277080.3870.108.camel@johannes.berg> <200702240957.22636.rjw@sisk.pl> <200702242154.27167.rjw@sisk.pl> Mime-Version: 1.0 Content-Type: text/plain; charset="iso-8859-1" Content-Transfer-Encoding: quoted-printable Return-path: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: linux-pm-bounces@lists.osdl.org Errors-To: linux-pm-bounces@lists.osdl.org To: linux-pm@lists.osdl.org List-Id: linux-pm@vger.kernel.org Rafael J. Wysocki sisk.pl> writes: > = > On Saturday, 24 February 2007 09:57, Rafael J. Wysocki wrote: > > On Saturday, 24 February 2007 01:31, Johannes Berg wrote: > > > Hi, > > > = > > > > Could you please try the appended patch? It's somewhat hackish, bu= t = may work. > > > = > > > Not before Monday or Tuesday unfortunately, I'm away from the machine. > > = > > Okay, no big deal. I think I'll be able to reproduce the problem here. = > > = > > > Maybe I can find someone else willing to test who has the same box. > > > = > > > > The idea is to do nothing on CPU unplug if the CPU's worker thread = is = frozen > > > > and later check in the thread itself if it has been replaced by ano= ther = one. > > > = > > > Yeah that should work. That patch won't apply to my tree though unles= s I > > > actually go to -mm2 as well :) > > = > > Ah, sorry. I'll prepare a version against 2.6.21-rc1. Apart from this= , I > > think there's a better solution, but I have to verify that. > = > No, this one is better IMO. > = > Appended is the version against 2.6.21-rc1. It seems to work for me, but= I'd > like someone else to confirm it. > = I had the same problem as Johannes and I can confirm that your patch works. Though I'm not sure if it's caused by XFS because I don't have any XFS = partitions, but I have XFS support compiled in kernel. My root partition is reiserfs. Tested with suspend to ram on: kernel 2.6.21-rc3-git7 Notebook ASUS A6JC, Intel Core Duo Thanks, Roman Jarosz