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From: Andre Draszik <kernel@andred.net>
To: Andre Draszik <kernel@andred.net>, linuxppc-embedded@ozlabs.org
Subject: Re: Slab errors on 4xx (STB04)
Date: Mon, 10 Apr 2006 21:48:38 +0200	[thread overview]
Message-ID: <443AB696.7080205@andred.net> (raw)
In-Reply-To: <20060410071457.GA16898@gate.ebshome.net>

Eugene Surovegin wrote:
> On Mon, Apr 10, 2006 at 12:33:56AM +0200, Andre Draszik wrote:
>> Since it _seems_ to work nevertheless - is CONFIG_DEBUG_SLAB known to be
>> broken on this platform?
> 
> Yes, it's very likely that CONFIG_DEBUG_SLAB is the culprit here. This 
> [...]

Thanks Roland and Eugene for the advice.

> You can try changing __dma_sync() to do flush_dcache_range() even for 
> DMA_FROM_DEVICE case. However, do this only to check this theory, not 
> as a permanent solution :).

OK, I will play with the cache later today... I wanted DEBUG_SLAB turned
on for some other unrelated problem, so just for debugging, this hack
would be fine if it worked :)


Greetings,
Andre'

  reply	other threads:[~2006-04-10 19:48 UTC|newest]

Thread overview: 5+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2006-04-09 22:33 Slab errors on 4xx (STB04) Andre Draszik
2006-04-10  1:42 ` Roland Dreier
2006-04-10  7:14 ` Eugene Surovegin
2006-04-10 19:48   ` Andre Draszik [this message]
2006-04-16  1:32     ` Andre Draszik

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