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From: Konrad Rzeszutek Wilk <konrad.wilk@oracle.com>
To: Ward Vandewege <ward@gnu.org>
Cc: xen-devel@lists.xensource.com
Subject: Re: AMD_IOV: IO_PAGE_FALT trying to pass through Mellanox ConnectX HCA (debian testing)
Date: Mon, 31 Jan 2011 13:45:03 -0500	[thread overview]
Message-ID: <20110131184503.GB11939@dumpdata.com> (raw)
In-Reply-To: <20110128203858.GA26814@countzero.vandewege.net>

> Hmm, I do have it:

Indeed you do. Good!

> 
>   # xm dmesg |grep iommu
>   (XEN) Command line: placeholder iommu=pv,verbose,amd_iommu_debug
> 
> But maybe it's not being picked up?

You should see something passthrough in the log.. thought that might
be only if you are using Intel VT-d? Not sure.
> 
> > you might need to make sure your driver is using the VM_IO flag.
> > 
> > There was some discussion on LKML about this and they proposed
> > a patch that wasn't neccessary. Don't remember the details but I can
> > look that up next week.

Found it.. it was from Vivien but in another thread:
http://www.mail-archive.com/linux-rdma@vger.kernel.org/msg06980.html

  reply	other threads:[~2011-01-31 18:45 UTC|newest]

Thread overview: 10+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2011-01-28 18:58 AMD_IOV: IO_PAGE_FALT trying to pass through Mellanox ConnectX HCA (debian testing) Ward Vandewege
2011-01-28 19:27 ` Konrad Rzeszutek Wilk
2011-01-28 20:38   ` Ward Vandewege
2011-01-31 18:45     ` Konrad Rzeszutek Wilk [this message]
2011-01-31 19:51       ` Ward Vandewege
2011-01-31 20:03         ` Konrad Rzeszutek Wilk
2011-02-03 23:24           ` Ward Vandewege
2011-02-07 16:41             ` Konrad Rzeszutek Wilk
2011-02-07 17:03               ` Roedel, Joerg
2011-02-07 17:42               ` Ward Vandewege

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