From: Ingo Molnar <mingo@elte.hu>
To: Stephen Hemminger <shemminger@osdl.org>
Cc: Andrew Morton <akpm@osdl.org>, linux-kernel@vger.kernel.org
Subject: Re: sleeping functions called in invalid context during resume
Date: Wed, 15 Nov 2006 19:04:36 +0100 [thread overview]
Message-ID: <20061115180436.GB29795@elte.hu> (raw)
In-Reply-To: <20061115100119.460b7a4e@localhost.localdomain>
* Stephen Hemminger <shemminger@osdl.org> wrote:
> > The patch below makes use of that capability of lockdep for all
> > stackdumps that are printed to the console. Stephen, please apply
> > this patch, enable CONFIG_PROVE_LOCKING and try to trigger another
> > message.
>
> I tried but with CONFIG_PROVE_LOCKING, resume gets stuck in an
> infinite loop backtracing to the console. Unfortunately, the serial
> console isn't up at that point so it it isn't capturable.
hm - could you change the stack- UNWIND option (to on or off) to see
whether that makes a difference? If it doesnt help, could you try
CONFIG_DISABLE_CONSOLE_SUSPEND [but that might hang your resume earlier
than the bug triggers].
Ingo
next prev parent reply other threads:[~2006-11-15 18:05 UTC|newest]
Thread overview: 14+ messages / expand[flat|nested] mbox.gz Atom feed top
2006-11-15 6:30 Stephen Hemminger
2006-11-15 9:20 ` Andrew Morton
2006-11-15 9:33 ` Ingo Molnar
2006-11-15 18:01 ` Stephen Hemminger
2006-11-15 18:04 ` Ingo Molnar [this message]
2006-11-17 5:21 ` Stephen Hemminger
2006-11-17 6:18 ` Andrew Morton
2006-11-17 6:49 ` Andi Kleen
2006-11-17 6:52 ` Ingo Molnar
2006-11-17 15:46 ` Rafael J. Wysocki
2006-11-17 16:30 ` Stephen Hemminger
2006-11-18 11:43 ` Paolo Ornati
2006-11-18 12:55 ` Karsten Wiese
2006-11-18 15:28 ` Paolo Ornati
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