linux-kernel - Re: Possible suspend/resume regression in .32-rc?

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite: Windows password security audit tool. GUI, reports in PDF.

[<prev] [next>] [<thread-prev] [thread-next>] [day] [month] [year] [list]

Message-ID: <20091101220341.GA16698@elf.ucw.cz>
Date:	Sun, 1 Nov 2009 23:03:41 +0100
From:	Pavel Machek <pavel@....cz>
To:	Daniel Mack <daniel@...aq.de>
Cc:	linux-arm-kernel@...ts.infradead.org, Eric <eric.y.miao@...il.com>,
	Haojian Zhuang <haojian.zhuang@...vell.com>, rpurdie@...ys.net,
	lenz@...wisc.edu, kernel list <linux-kernel@...r.kernel.org>,
	Dirk@...er-Online.de, arminlitzel@....de,
	Cyril Hrubis <metan@....cz>, thommycheck@...il.com,
	dbaryshkov@...il.com, omegamoon@...il.com, utx@...guin.cz,
	"Rafael J. Wysocki" <rjw@...k.pl>
Subject: Re: Possible suspend/resume regression in .32-rc?

> 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 <haojian.zhuang@...vell.com>
> 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 <haojian.zhuang@...vell.com>
>     Signed-off-by: Eric Miao <eric.y.miao@...il.com>

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
--
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@...r.kernel.org
More majordomo info at  http://vger.kernel.org/majordomo-info.html
Please read the FAQ at  http://www.tux.org/lkml/