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From: Joerg Roedel <joro@8bytes.org>
To: FUJITA Tomonori <fujita.tomonori@lab.ntt.co.jp>
Cc: mcgrof@gmail.com, iommu@lists.linux-foundation.org,
	linux-wireless@vger.kernel.org, linux-kernel@vger.kernel.org
Subject: Re: AMD Quad core - PCI-DMA: Out of IOMMU space on > 4 GB RAM
Date: Tue, 17 Mar 2009 08:45:02 +0100	[thread overview]
Message-ID: <20090317074501.GQ2125@8bytes.org> (raw)
In-Reply-To: <20090317093445G.fujita.tomonori@lab.ntt.co.jp>

On Tue, Mar 17, 2009 at 09:35:45AM +0900, FUJITA Tomonori wrote:
> From a quick look, ath9k doesn't call pci_unmap_single for rx
> buffers. Though I might be wrong because I don't know anything about
> the driver.

In any case. This error description sounds very much like a dma memory
leak on module unload. So its very likely a driver issue.

Joerg


      parent reply	other threads:[~2009-03-17  8:08 UTC|newest]

Thread overview: 6+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2009-03-16 19:15 AMD Quad core - PCI-DMA: Out of IOMMU space on > 4 GB RAM Luis R. Rodriguez
2009-03-16 19:18 ` Luis R. Rodriguez
2009-03-17  0:35 ` FUJITA Tomonori
2009-03-17  1:13   ` Luis R. Rodriguez
2009-03-23 17:09     ` Luis R. Rodriguez
2009-03-17  7:45   ` Joerg Roedel [this message]

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