From mboxrd@z Thu Jan 1 00:00:00 1970 From: Jason Lunz Subject: Re: swsusp regression [Was: 2.6.18-rc3-mm2] Date: Mon, 7 Aug 2006 12:23:24 -0400 Message-ID: <20060807162322.GA17564@knob.reflex> References: <20060806030809.2cfb0b1e.akpm@osdl.org> <44D707B6.20501@gmail.com> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Return-path: In-Reply-To: <44D707B6.20501@gmail.com> Content-Disposition: inline Sender: linux-kernel-owner@vger.kernel.org To: Jiri Slaby Cc: Andrew Morton , linux-kernel@vger.kernel.org, andre@linux-ide.org, pavel@suse.cz, linux-pm@osdl.org, linux-ide@vger.kernel.org List-Id: linux-ide@vger.kernel.org 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 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. Jason