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
prev 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]
Reply instructions:
You may reply publicly to this message via plain-text email
using any one of the following methods:
* Save the following mbox file, import it into your mail client,
and reply-to-all from there: mbox
Avoid top-posting and favor interleaved quoting:
https://en.wikipedia.org/wiki/Posting_style#Interleaved_style
* Reply using the --to, --cc, and --in-reply-to
switches of git-send-email(1):
git send-email \
--in-reply-to=20090317074501.GQ2125@8bytes.org \
--to=joro@8bytes.org \
--cc=fujita.tomonori@lab.ntt.co.jp \
--cc=iommu@lists.linux-foundation.org \
--cc=linux-kernel@vger.kernel.org \
--cc=linux-wireless@vger.kernel.org \
--cc=mcgrof@gmail.com \
/path/to/YOUR_REPLY
https://kernel.org/pub/software/scm/git/docs/git-send-email.html
* If your mail client supports setting the In-Reply-To header
via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line
before the message body.
This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox;
as well as URLs for NNTP newsgroup(s).