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 09:32:38 +1000 [thread overview]
Message-ID: <1248910358.1509.27.camel@pasglop> (raw)
In-Reply-To: <4A70937B.7040201@scarlet.be>
On Wed, 2009-07-29 at 20:22 +0200, Stef Simoens wrote:
> 2.6.29 works OK
> 2.6.30-rc1 doesn't work (BUG...)
> 2.6.30-rc1 with your patch ... seems to hang when it should be
> mounting the root directory.
>
> Is it worthwhile doing a git bisect?
It probably is, since it should work with my patch, so something else
changed, maybe in the SCSI stack.
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 ?
Cheers,
Ben.
next prev parent reply other threads:[~2009-07-29 23:32 UTC|newest]
Thread overview: 13+ 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 [this message]
2009-07-29 23:42 ` Stef Simoens
2009-07-30 0:52 ` Benjamin Herrenschmidt
2009-08-02 8:52 ` Stef Simoens
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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