From: Chris Snook <csnook@redhat.com>
To: "Jay L. T. Cornwall" <jay@esuna.co.uk>
Cc: Luca Tettamanti <kronos.it@gmail.com>,
Jeff Garzik <jgarzik@pobox.com>,
Jay Cliburn <jacliburn@bellsouth.net>,
linux-kernel@vger.kernel.org, netdev@vger.kernel.org
Subject: Re: [PATCH] atl1: disable 64bit DMA
Date: Mon, 25 Jun 2007 17:57:20 -0400 [thread overview]
Message-ID: <46803A40.4070009@redhat.com> (raw)
In-Reply-To: <468038FC.6090302@esuna.co.uk>
Jay L. T. Cornwall wrote:
> Chris Snook wrote:
>
>> What boards have we seen this on? It's quite possible this is:
>
> I can reproduce on an Asus P5K with a Core 2 Duo E6600.
>
> lspci identifies the controller as:
> 02:00.0 Ethernet controller: Attansic Technology Corp. L1 Gigabit
> Ethernet Adapter (rev b0)
>
> dmesg notes the PCI-DMA mapping implementation:
> PCI-DMA: Using software bounce buffering for IO (SWIOTLB)
>
I had a hunch this was on Intel. I'd rather just disable this when swiotlb is
in use, unless we get more complaints. It's probably ultimately a BIOS quirk
anyway.
-- Chris
next prev parent reply other threads:[~2007-06-25 21:57 UTC|newest]
Thread overview: 24+ messages / expand[flat|nested] mbox.gz Atom feed top
2007-06-22 0:07 2.6.22-rc5: pdflush oops under heavy disk load Jay L. T. Cornwall
2007-06-22 14:47 ` Chuck Ebbert
2007-06-22 15:04 ` Jay L. T. Cornwall
2007-06-23 12:14 ` Jay L. T. Cornwall
2007-06-23 17:23 ` Andrew Morton
2007-06-24 9:57 ` (Last oops is Tainted: P) " Oleg Verych
2007-06-24 10:10 ` Jay L. T. Cornwall
2007-06-24 10:57 ` Oleg Verych
2007-06-24 17:59 ` Jay Cliburn
2007-06-24 20:31 ` Jay L. T. Cornwall
2007-06-24 21:45 ` Jay Cliburn
2007-06-25 12:16 ` Attansic L1 page corruption (was: 2.6.22-rc5: pdflush oops under heavy disk load) Jay L. T. Cornwall
2007-06-25 12:42 ` Attansic L1 page corruption Jay Cliburn
2007-06-25 21:18 ` [PATCH] atl1: disable 64bit DMA Luca Tettamanti
2007-06-25 21:36 ` Chris Snook
2007-06-25 21:51 ` Jay L. T. Cornwall
2007-06-25 21:57 ` Chris Snook [this message]
2007-06-25 23:00 ` Jay Cliburn
2007-06-25 23:17 ` Jeff Garzik
2007-06-25 23:40 ` Chris Snook
2007-06-26 21:12 ` Luca
2007-06-27 0:16 ` Jay Cliburn
2007-06-25 12:58 ` Attansic L1 page corruption (was: 2.6.22-rc5: pdflush oops under heavy disk load) Luca
2007-06-24 22:51 ` 2.6.22-rc5: pdflush oops under heavy disk load Jesper Juhl
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