From mboxrd@z Thu Jan 1 00:00:00 1970 From: "Rafael J. Wysocki" Subject: Re: swsusp regression [Was: 2.6.18-rc3-mm2] Date: Mon, 7 Aug 2006 22:47:59 +0200 Message-ID: <200608072247.59184.rjw@sisk.pl> 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" Content-Transfer-Encoding: quoted-printable Return-path: In-Reply-To: <20060807162322.GA17564@knob.reflex> Content-Disposition: inline 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: Jason Lunz Cc: Andrew Morton , linux-pm@osdl.org, Jiri Slaby , andre@linux-ide.org, linux-ide@vger.kernel.org, linux-kernel@vger.kernel.org List-Id: linux-pm@vger.kernel.org On Monday 07 August 2006 18:23, Jason Lunz wrote: > In gmane.linux.kernel, you wrote: > >> ftp://ftp.kernel.org/pub/linux/kernel/people/akpm/patches/2.6/2.6.18-r= c3/2.6.18-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 prin= ts 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 > = > That should only affect resume, not suspend, but it does mess around > with ide power management. Is this maybe happening on the *second* > suspend? > = > > -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. I found that git-block.patch broke the suspend for me. Still have no idea what's up with it. Rafael