From: Stephen Hemminger <shemminger@osdl.org>
To: Andi Kleen <ak@muc.de>
Cc: Peter Buckingham <peter@pantasys.com>,
"David S. Miller" <davem@davemloft.net>,
jgarzik@pobox.com, netdev@oss.sgi.com
Subject: Re: Mystery packet killing tg3
Date: Thu, 05 May 2005 09:20:25 -0700 [thread overview]
Message-ID: <427A47C9.6040302@osdl.org> (raw)
In-Reply-To: <20050505114327.GA51761@muc.de>
Andi Kleen wrote:
>>>IOMMU code on x86-64 should be never active unless Stephen
>>>used IOMMU_DEBUG or iommu=force. THat is because the tg3
>>>is a 64bit capable device and should always use bypass.
>>>
>>>
>>how is this detected? we have a board that is using a 32bit e1000 and we
>>have to use iommu=force otherwise it doesn't do the right thing with >
>>4GB of RAM.
>>
>>
>
>"32bit e1000"? How did you get such a beast? AFAIK all e1000s are 64bit
>address capable. Please supply a full boot log without iommu=force
>and describe what happens exactly.
>
>
One of the osdl e1000's in the lab is an IBM rebranded card that although
it uses a 64bit slot, is really only 32bit
next prev parent reply other threads:[~2005-05-05 16:20 UTC|newest]
Thread overview: 35+ messages / expand[flat|nested] mbox.gz Atom feed top
2005-05-02 23:24 Mystery packet killing tg3 Stephen Hemminger
2005-05-03 3:02 ` David S. Miller
2005-05-03 21:05 ` Stephen Hemminger
2005-05-03 21:13 ` David S. Miller
2005-05-03 20:41 ` Michael Chan
2005-05-03 22:03 ` David S. Miller
2005-05-03 21:28 ` Michael Chan
2005-05-03 22:53 ` David S. Miller
2005-05-03 22:45 ` Stephen Hemminger
2005-05-03 22:39 ` David S. Miller
2005-05-03 22:59 ` Stephen Hemminger
2005-05-03 21:29 ` Stephen Hemminger
2005-05-04 18:30 ` Andi Kleen
2005-05-04 18:44 ` Peter Buckingham
2005-05-05 11:43 ` Andi Kleen
2005-05-05 16:20 ` Stephen Hemminger [this message]
2005-05-05 18:01 ` Andi Kleen
2005-05-05 17:09 ` Peter Buckingham
2005-05-05 17:32 ` Rick Jones
2005-05-05 17:38 ` Peter Buckingham
2005-05-05 17:45 ` John Heffner
2005-05-05 18:06 ` Andi Kleen
2005-05-05 18:21 ` Peter Buckingham
2005-05-05 18:31 ` Andi Kleen
2005-05-05 18:40 ` Peter Buckingham
2005-05-05 18:56 ` Andi Kleen
2005-05-05 19:02 ` Peter Buckingham
2005-05-05 19:24 ` Andi Kleen
2005-05-04 19:41 ` Stephen Hemminger
-- strict thread matches above, loose matches on Subject: below --
2005-05-04 6:09 Michael Chan
2005-05-04 6:27 Michael Chan
2005-05-04 22:51 ` Stephen Hemminger
2005-05-04 22:30 ` Michael Chan
[not found] ` <20050505113356.0f1b4c00.davem@davemloft.net>
2005-05-05 19:56 ` Michael Chan
2005-05-05 21:42 ` David S. Miller
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