From mboxrd@z Thu Jan 1 00:00:00 1970 From: Pavel Machek Subject: Re: Re: freeze_processes questions Date: Thu, 28 Apr 2005 10:15:44 +0200 Message-ID: <20050428081544.GF1906@elf.ucw.cz> References: <1114664707.3580.12.camel@desktop.cunningham.myip.net.au> <1114665714.22110.45.camel@sli10-desk.sh.intel.com> <1114667366.3580.19.camel@desktop.cunningham.myip.net.au> Mime-Version: 1.0 Content-Type: multipart/mixed; boundary="===============28896563390431007==" Return-path: In-Reply-To: <1114667366.3580.19.camel@desktop.cunningham.myip.net.au> 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: Nigel Cunningham Cc: Linux-pm mailing list List-Id: linux-pm@vger.kernel.org --===============28896563390431007== Content-Type: text/plain; charset=us-ascii Content-Disposition: inline Hi! > > > Do you have a particular example in mind? I haven't seen or heard of > > > any > > > freezing failures in Suspend2 for ages, so I'm struggling to see what > > > is > > > lacking. > > No, actually. Maybe I should send the proposal till I really find a case > > :). I only noticed the syslogd case. Somebody reported the > > 'mdnsresponder' process case, but didn't look at it yet. > > http://bugme.osdl.org/show_bug.cgi?id=3964 > > Ah. Ok. The ipw2100 driver starts a workqueue. Since I also have patches > to make kthreads freezable, we sometimes have to tell people to add an > extra parameter to the create_workqueue call. Once that's done, I > believe it all works fine. > > I keep saying I must seek to merge these patches. I've gotten caught up > on trying to get everything ready to merge at once, and confused by what > Pavel is and isn't changing :> Pavel, since you're cc'd I might as well > ask, am I still right to submit those patches again? If so, I'll try to > do it this evening. Yes, I'd like those patches... > On a related topic, I've tried to get hotplug cpu support working with > suspending, but it looks like more is needed. In particular, the 'dead' > cpu still needs state saved and restored, so we're not really gaining > anything with the current implementation. If hotplug really killed the > CPU and rebooted it, the story might be different. It works for me, but you need to play with -mm kernel where neccessary support is implemented... Pavel -- Boycott Kodak -- for their patent abuse against Java. --===============28896563390431007== Content-Type: text/plain; charset="iso-8859-1" MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable Content-Disposition: inline --===============28896563390431007==--