From mboxrd@z Thu Jan 1 00:00:00 1970 From: Jiri Slaby Subject: Re: swsusp regression [Was: 2.6.18-rc3-mm2] Date: Mon, 07 Aug 2006 23:08:59 +0159 Message-ID: <44D7AC02.7060307@gmail.com> References: <20060806030809.2cfb0b1e.akpm@osdl.org> <44D707B6.20501@gmail.com> <20060807162322.GA17564@knob.reflex> Mime-Version: 1.0 Content-Type: text/plain; charset=ISO-8859-1; format=flowed Content-Transfer-Encoding: 7bit Return-path: Received: from nf-out-0910.google.com ([64.233.182.185]:29487 "EHLO nf-out-0910.google.com") by vger.kernel.org with ESMTP id S932298AbWHGVJN (ORCPT ); Mon, 7 Aug 2006 17:09:13 -0400 Received: by nf-out-0910.google.com with SMTP id p46so588047nfa for ; Mon, 07 Aug 2006 14:09:11 -0700 (PDT) In-Reply-To: <20060807162322.GA17564@knob.reflex> Sender: linux-ide-owner@vger.kernel.org List-Id: linux-ide@vger.kernel.org To: Jason Lunz Cc: Jiri Slaby , Andrew Morton , linux-kernel@vger.kernel.org, andre@linux-ide.org, pavel@suse.cz, linux-pm@osdl.org, linux-ide@vger.kernel.org Jason Lunz wrote: > In gmane.linux.kernel, you wrote: >>> ftp://ftp.kernel.org/pub/linux/kernel/people/akpm/patches/2.6/2.6.18-rc3/2.6.18-rc3-mm2/ >> I tried it and guess what :)... swsusp doesn't work :@. >> >> This time I was able to dump process states with sysrq-t: >> http://www.fi.muni.cz/~xslaby/sklad/ide2.gif >> >> My guess is ide2/2.0 dies (hpt370 driver), since last thing kernel prints is >> suspending device 2.0 > > Does it go away if you revert this? > ftp://ftp.kernel.org/pub/linux/kernel/people/akpm/patches/2.6/2.6.18-rc3/2.6.18-rc3-mm2/broken-out/ide-reprogram-disk-pio-timings-on-resume.patch No change. > That should only affect resume, not suspend, but it does mess around > with ide power management. Is this maybe happening on the *second* > suspend? Nope, the first one. >> -hdc: ATAPI 63X DVD-ROM DVD-R CD-R/RW drive, 2048kB Cache, UDMA(33) >> +hdc: ATAPI CD-ROM drive, 0kB Cache, UDMA(33) > > This looks suspicious. -mm does have several ide-fix-hpt3xx patches. But hdc is not on the hpt3xx controller. regards, -- 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