From mboxrd@z Thu Jan 1 00:00:00 1970 From: pavel@ucw.cz (Pavel Machek) Date: Sun, 1 Nov 2009 23:03:41 +0100 Subject: Possible suspend/resume regression in .32-rc? In-Reply-To: <20091101213343.GA31345@elf.ucw.cz> References: <20091031013427.GL14091@buzzloop.caiaq.de> <20091101205449.GT14091@buzzloop.caiaq.de> <20091101213343.GA31345@elf.ucw.cz> Message-ID: <20091101220341.GA16698@elf.ucw.cz> To: linux-arm-kernel@lists.infradead.org List-Id: linux-arm-kernel.lists.infradead.org > Hi! > > > > Is anyone using suspend/resume with a recent git mainline kernel on PXA > > > or other ARM embedded boards? My platform used to suspend and resume > > > just fine on 2.6.31 but now as I rebased it, it fails the resume part. > > > > > > Unfortunately, I can't bisect it as the platform is not mainline yet and > > > so I always have mandatory patches (without my platform won't do > > > anything) on top of the git repository. Which breaks the bisect logic. > > > > > > What puzzles me is that I see the current raising at wakeup time, so at > > > least the processor seems to resume, but I can't see any serial console > > > output, just like if the kernel crashed very early after wakeup. > > > 'no_console_suspend' didn't help either. > > > > Ok, got it. The culprit is commit d2c37068 ("[ARM] pxa: initialize > > default interrupt priority and use ICHP for IRQ handling"). Reverting it > > make suspend/resume work again on my board. > > > > Haojian, Eric, could you have a look at this? > > Okay, patch is this one: I'll test reverting it shortly. > > commit d2c37068429b29d6549cf3486fc84b836689e122 > Author: Haojian Zhuang > Date: Wed Aug 19 19:49:31 2009 +0800 > > [ARM] pxa: initialize default interrupt priority and use ICHP for IRQ handling > > Signed-off-by: Haojian Zhuang > Signed-off-by: Eric Miao And yes, reverting it _does_ fix suspend on spitz. Pavel -- (english) http://www.livejournal.com/~pavelmachek (cesky, pictures) http://atrey.karlin.mff.cuni.cz/~pavel/picture/horses/blog.html