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From: Benjamin Herrenschmidt <benh@kernel.crashing.org>
To: Stef Simoens <stef.simoens@scarlet.be>
Cc: linuxppc-dev@lists.ozlabs.org
Subject: Re: BUG in dma-mapping.h:218 // MESH SCSI driver not working
Date: Thu, 30 Jul 2009 10:52:29 +1000	[thread overview]
Message-ID: <1248915149.1509.29.camel@pasglop> (raw)
In-Reply-To: <4A70DE54.5090406@scarlet.be>

On Thu, 2009-07-30 at 01:42 +0200, Stef Simoens wrote:
> What would be the best approach?
> - if the kernel boots, it's obviously 'good'
> - but what if the kernel hits the 'BUG', should I apply your patch
> then? If it doesn't work with your patch, would it be 'bad' then? 

Yes.

> > One thing I know is that the MESH HW has "issues" that make it very
> > sensitive to alignment DMA buffers, it's possible that the SCSI stack no
> > longer aligns some stuff ?
> >   
> Hmm, great... how can I verify this? 

I will once we get a closer idea of where the bug started to happen.

Thanks !

Cheers,
Ben.

  reply	other threads:[~2009-07-30  0:52 UTC|newest]

Thread overview: 14+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2009-07-23 22:18 BUG in dma-mapping.h:218 // MESH SCSI driver not working Stef Simoens
2009-07-24  8:52 ` Benjamin Herrenschmidt
2009-07-24 11:55   ` Stef Simoens
2010-03-18 23:21     ` Stef Simoens
2010-03-18 23:35       ` Benjamin Herrenschmidt
2009-07-29 18:22   ` Stef Simoens
2009-07-29 23:32     ` Benjamin Herrenschmidt
2009-07-29 23:42       ` Stef Simoens
2009-07-30  0:52         ` Benjamin Herrenschmidt [this message]
2009-08-02  8:52           ` Stef Simoens
2009-08-02 23:13             ` Benjamin Herrenschmidt
2009-08-02 23:13               ` Benjamin Herrenschmidt
2009-08-05  1:04               ` FUJITA Tomonori
2009-08-05  1:11                 ` Benjamin Herrenschmidt

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