From: Joerg Roedel <joro-zLv9SwRftAIdnm+yROfE0A@public.gmane.org>
To: Gregor Dick <gdick-s/n/eUQHGBpZroRs9YW3xA@public.gmane.org>
Cc: iommu-cunTk1MwBs9QetFLy7KEm3xJsTq8ys+cHZ5vskTnxNA@public.gmane.org,
Kieran Mansley <kmansley-s/n/eUQHGBpZroRs9YW3xA@public.gmane.org>
Subject: Re: PROBLEM: Deadlock in attach_device() in AMD IOMMU driver
Date: Mon, 11 May 2015 12:15:29 +0200 [thread overview]
Message-ID: <20150511101528.GI20611@8bytes.org> (raw)
In-Reply-To: <5549FEA1.9080801-s/n/eUQHGBpZroRs9YW3xA@public.gmane.org>
Hi Gregor,
On Wed, May 06, 2015 at 12:44:33PM +0100, Gregor Dick wrote:
> On 05/05/15 16:33, Joerg Roedel wrote:
> >Okay, I'll have a look into the SLES12 kernel sources to check there.
> >Can you reproduce this with a recent upstream kernel?
>
> I've done some more tests this morning and can reproduce the problem on
> a vanilla 4.0 kernel with a SLES12 userland, and also on a stock
> installation of Ubuntu 14.10 with a 3.16-derived kernel.
>
> I neglected to mention kernel command-line options earlier:
Thanks for testing this, I will work on a fix.
Joerg
prev parent reply other threads:[~2015-05-11 10:15 UTC|newest]
Thread overview: 6+ messages / expand[flat|nested] mbox.gz Atom feed top
2015-05-05 9:24 PROBLEM: Deadlock in attach_device() in AMD IOMMU driver Gregor Dick
[not found] ` <55488C3D.50509-s/n/eUQHGBpZroRs9YW3xA@public.gmane.org>
2015-05-05 14:41 ` Joerg Roedel
[not found] ` <20150505144159.GI15736-zLv9SwRftAIdnm+yROfE0A@public.gmane.org>
2015-05-05 14:47 ` Gregor Dick
[not found] ` <5548D814.6020807-s/n/eUQHGBpZroRs9YW3xA@public.gmane.org>
2015-05-05 15:33 ` Joerg Roedel
[not found] ` <20150505153344.GR15736-zLv9SwRftAIdnm+yROfE0A@public.gmane.org>
2015-05-06 11:44 ` Gregor Dick
[not found] ` <5549FEA1.9080801-s/n/eUQHGBpZroRs9YW3xA@public.gmane.org>
2015-05-11 10:15 ` Joerg Roedel [this message]
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