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From: Michael Tokarev <mjt@tls.msk.ru>
To: James Bottomley <James.Bottomley@HansenPartnership.com>
Cc: FUJITA Tomonori <tomof@acm.org>,
	linux-kernel@vger.kernel.org, linux-scsi@vger.kernel.org,
	fujita.tomonori@lab.ntt.co.jp
Subject: Re: kernel BUG at drivers/scsi/aic7xxx/aic79xx_osm.c:1490!
Date: Sun, 09 Mar 2008 19:32:14 +0300	[thread overview]
Message-ID: <47D4110E.4080709@msgid.tls.msk.ru> (raw)
In-Reply-To: <1205078371.3792.20.camel@localhost.localdomain>

James Bottomley wrote:
[]
>> (which doesn't look like a good thing, provided this
>> machine has 6Gb of memory...)
> 
> That's the root cause then.
> 
> There's a bug in the generic implementation of dma_get_required_mask(),
> a fix for which is below, if you could try it (still with the debugging
> patches to make sure it's working).

With the 2 patches applied:

DEBUG: RETURNED REQUIRED MASK 1ffffffff
DEBUG: SET 39 BIT ADDRESSING

I'm running the tests now.  But for some reason I
think it will be ok... ;)

Thanks!

/mjt

      reply	other threads:[~2008-03-09 16:32 UTC|newest]

Thread overview: 11+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2008-03-09 11:23 kernel BUG at drivers/scsi/aic7xxx/aic79xx_osm.c:1490! Michael Tokarev
2008-03-09 11:25 ` Michael Tokarev
2008-03-09 12:29 ` FUJITA Tomonori
2008-03-09 12:29   ` FUJITA Tomonori
2008-03-09 12:55   ` Michael Tokarev
2008-03-09 15:08   ` James Bottomley
2008-03-09 15:20     ` James Bottomley
2008-03-09 15:31     ` Michael Tokarev
2008-03-09 15:42       ` Michael Tokarev
2008-03-09 15:59         ` James Bottomley
2008-03-09 16:32           ` Michael Tokarev [this message]

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