linux-kernel - Re: iommu_iova leak [inside 3w-9xxx]

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Message-ID: <1316287878.2954.5.camel@shinybook.infradead.org>
Date:	Sat, 17 Sep 2011 19:31:21 +0000
From:	"Woodhouse, David" <david.woodhouse@...el.com>
To:	adam radford <aradford@...il.com>
CC:	Chris Boot <bootc@...tc.net>, lkml <linux-kernel@...r.kernel.org>,
	Adam Radford <linuxraid@....com>,
	"James E.J. Bottomley" <JBottomley@...allels.com>,
	"linux-scsi@...r.kernel.org" <linux-scsi@...r.kernel.org>
Subject: Re: iommu_iova leak [inside 3w-9xxx]

On Sat, 2011-09-17 at 12:22 -0700, adam radford wrote:
> If you think 3w-9xxx is not unmapping pages it maps, please re-run
> with CONFIG_PCI_DMA_DEBUG=y 

Good point; thanks. I'd forgotten about PCI_DMA_DEBUG. Is there a way to
trigger it other than unloading the module? Doing that may require
nfsroot...

-- 
                   Sent with MeeGo's ActiveSync support.

David Woodhouse                            Open Source Technology Centre
David.Woodhouse@...el.com                              Intel Corporation



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