From: David Miller <davem@davemloft.net>
To: shemminger@vyatta.com
Cc: sgruszka@redhat.com, netdev@vger.kernel.org, luya@fedoraproject.org
Subject: Re: [PATCH] skge: add quirk to limit DMA
Date: Tue, 05 Oct 2010 15:09:41 -0700 (PDT) [thread overview]
Message-ID: <20101005.150941.267944554.davem@davemloft.net> (raw)
In-Reply-To: <20101006065845.5759dbeb@s6510>
From: Stephen Hemminger <shemminger@vyatta.com>
Date: Wed, 6 Oct 2010 06:58:45 +0900
> On Tue, 05 Oct 2010 00:18:00 -0700 (PDT)
> David Miller <davem@davemloft.net> wrote:
>
>> From: Stanislaw Gruszka <sgruszka@redhat.com>
>> Date: Wed, 29 Sep 2010 11:33:23 +0200
>>
>> > Skge devices installed on some Gigabyte motherboards are not able to
>> > perform 64 dma correctly due to board PCI implementation, so limit
>> > DMA to 32bit if such boards are detected.
>> >
>> > Bug was reported here:
>> > https://bugzilla.redhat.com/show_bug.cgi?id=447489
>> >
>> > Signed-off-by: Stanislaw Gruszka <sgruszka@redhat.com>
>> > Tested-by: Luya Tshimbalanga <luya@fedoraproject.org>
>>
>> Stephen? Can I get an ACK or some kind of other status on this?
>
> I was hoping to find the hardware somewhere to dig deeper into
> this. But until I know more please apply the patch. There are
> two possibilities that still exist, 1) it is true for all devices
> on this motherboard (in which cases it should be a PCI quirk),
> 2) it is a driver bug. The test was going to be putting a skge
> pci card in a slot on the MB.
Ok, thanks Stephen, I'll apply his patch for now.
prev parent reply other threads:[~2010-10-05 22:09 UTC|newest]
Thread overview: 4+ messages / expand[flat|nested] mbox.gz Atom feed top
2010-09-29 9:33 [PATCH] skge: add quirk to limit DMA Stanislaw Gruszka
2010-10-05 7:18 ` David Miller
2010-10-05 21:58 ` Stephen Hemminger
2010-10-05 22:09 ` David Miller [this message]
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