From: "Rafael J. Wysocki" <rjw@sisk.pl>
To: Pavel Machek <pavel@ucw.cz>
Cc: Ingo Molnar <mingo@elte.hu>, Andrew Morton <akpm@osdl.org>,
linux-kernel@vger.kernel.org, Linus Torvalds <torvalds@osdl.org>,
Len Brown <lenb@kernel.org>
Subject: Re: [patch] suspend debugging: simulate suspend-to-RAM
Date: Thu, 25 Jan 2007 14:29:24 +0100 [thread overview]
Message-ID: <200701251429.25081.rjw@sisk.pl> (raw)
In-Reply-To: <20070125130729.GA23620@elf.ucw.cz>
On Thursday, 25 January 2007 14:07, Pavel Machek wrote:
> Hi!
>
> > Subject: [patch] suspend debugging: simulate suspend-to-RAM
> > From: Ingo Molnar <mingo@elte.hu>
> >
> > most resume bugs are due to the kernel hanging or crashing while trying
> > to resume a specific device. It is extremely hard to debug such hangs
> > because often when the hang happens there's no console available
> > yet.
>
> While the functionality is useful, no I do not think this should be
> configured by sysctl or kernel parameter.
>
> Perhaps right interface is "echo fake-mem > /sys/power/state"?
Yes, the "test" and "testproc" debug modes are started via /sys/power/state,
so let's make it consistent.
Greetings,
Rafael
next prev parent reply other threads:[~2007-01-25 13:28 UTC|newest]
Thread overview: 10+ messages / expand[flat|nested] mbox.gz Atom feed top
2007-01-25 11:33 Ingo Molnar
2007-01-25 13:07 ` Pavel Machek
2007-01-25 13:29 ` Rafael J. Wysocki [this message]
2007-01-25 13:30 ` Pavel Machek
2007-01-25 18:03 ` Andrey Borzenkov
2007-01-25 21:26 ` Matt Mackall
2007-01-25 22:41 ` Rafael J. Wysocki
2007-01-29 15:41 ` Andi Kleen
2007-01-31 9:12 ` Ingo Molnar
2007-01-31 9:25 ` Andi Kleen
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