linux-kernel - Re: [Regression, post-3.5] System suspend broken on the Mackerel board

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]

Date:	Tue, 7 Aug 2012 10:55:51 +0900
From:	Paul Mundt <lethal@...ux-sh.org>
To:	"Rafael J. Wysocki" <rjw@...k.pl>
Cc:	kuninori.morimoto.gx@...esas.com,
	Magnus Damm <magnus.damm@...il.com>,
	"Linux-sh list" <linux-sh@...r.kernel.org>,
	Linux PM list <linux-pm@...r.kernel.org>,
	LKML <linux-kernel@...r.kernel.org>,
	Kuninori Morimoto <kuninori.morimoto.gx@...il.com>
Subject: Re: [Regression, post-3.5] System suspend broken on the Mackerel
 board

On Sun, Aug 05, 2012 at 12:02:43AM +0200, Rafael J. Wysocki wrote:
> On Wednesday, August 01, 2012, Paul Mundt wrote:
> > Turns out we can just collapse the probe/init stuff anyways, so this
> > ought to fix it. I've verified that it fixes Morimoto-san's issue, my
> > expectation is that the mackerel case is likewise getting tripped up but
> > no one bothered implementing any error detecting logic for gpio_request()
> > failing, so it doesn't fail gracefully.
> > 
> > I'll be pushing this out to Linus shortly:
> 
> Thanks, this helped.  Resume works correctly on Mackerel with 3.6-rc1.
> 
> However, I'm now seeing a different problem related to system suspend on that,
> board which is that sh7372_enter_a3sm_common() returns immediately, as though
> at least one of the wakeup signals was permanently asserted.  This hadn't
> happened before your last pull request was merged, so I suspect that one
> of the irqdomain patches might introduce this behavior.
> 
Ok, I'll back off the irqdomain selection until we have a chance to test
it more on the other platforms.
--
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/