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From: tglx@linutronix.de (Thomas Gleixner)
To: linux-arm-kernel@lists.infradead.org
Subject: resume regression in 2.6.37
Date: Thu, 13 Jan 2011 17:28:27 +0100 (CET)	[thread overview]
Message-ID: <alpine.LFD.2.00.1101131720350.2678@localhost6.localdomain6> (raw)
In-Reply-To: <1294933492.2535.23.camel@sven>

On Thu, 13 Jan 2011, Sven Neumann wrote:
> Now I've tried to update the kernel to 2.6.37. After fixing the already
> reported NULL pointer dereference on bootup in pxa3xx_nand_probe(), the
> device seems to work fine until I suspend it and then try to wake it up
> from suspend. Suspend seems to work fine, no warnings whatsoever.
> However there is absolutely no sign of resume.
> 
> I've used git bisect to track this down to the following commit:
> 
> 
> commit 2f7e99bb9be6a2d8d7b808dc86037710cc8b7bf1
> Author: Thomas Gleixner <tglx@linutronix.de>
> Date:   Mon Sep 27 12:45:50 2010 +0000
> 
>     genirq: Provide compat handling for chip->set_wake()
>     
>     Wrap the old chip function set_wake() until the migration is
>     complete and the old chip functions are removed.
>     
>     Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
>     Cc: Peter Zijlstra <peterz@infradead.org>
>     LKML-Reference: <20100927121842.927527393@linutronix.de>
>     Reviewed-by: H. Peter Anvin <hpa@zytor.com>
>     Reviewed-by: Ingo Molnar <mingo@elte.hu>
> 
> 
> Any idea on how to proceed from here? I don't think I can just revert
> this commit and expect things to work, right?

Well, I somehow doubt, that this is the real culprit. The patch does
not change anything of the set_wake() functionality. It's a functional
equivivalent wrapper, nothing else.

Can you revert it on top of 2.6.37 and verify that it helps ?

Thanks,

	tglx

  reply	other threads:[~2011-01-13 16:28 UTC|newest]

Thread overview: 21+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2011-01-13 15:44 resume regression in 2.6.37 Sven Neumann
2011-01-13 16:28 ` Thomas Gleixner [this message]
2011-01-13 17:16   ` Sven Neumann
2011-01-13 17:33     ` Thomas Gleixner
2011-01-17 10:36       ` Sven Neumann
2011-01-17 12:40         ` Thomas Gleixner
2011-01-17 14:04           ` Sven Neumann
2011-01-17 18:41             ` Thomas Gleixner
2011-01-17 19:24           ` Lars-Peter Clausen
2011-01-17 19:59             ` Lars-Peter Clausen
2011-01-18  8:16               ` Sven Neumann
2011-01-18  8:18                 ` [PATCH] pxa3xx: fix PXA GPIO IRQ handling Sven Neumann
2011-01-18 11:06                   ` Uwe Kleine-König
2011-01-18 11:47                   ` Lars-Peter Clausen
2011-01-18 12:29                     ` [PATCH] ARM: pxa: fix " Sven Neumann
2011-01-18 16:15                     ` [PATCH] pxa3xx: fix PXA " Eric Miao
2011-01-18 16:20                       ` Lennert Buijtenhek
2011-01-18 21:49                       ` Sven Neumann
2011-01-20 18:48                         ` Eric Miao
2011-01-20 18:55                           ` Eric Miao
2011-01-18  8:19             ` resume regression in 2.6.37 Thomas Gleixner

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