From: Mike Galbraith <efault-Mmb7MZpHnFY@public.gmane.org>
To: Tobias Klausmann
<tobias.johannes.klausmann-AqjdNwhu20eELgA04lAiVw@public.gmane.org>,
LKML <linux-kernel-u79uwXL29TY76Z2rM5mHXA@public.gmane.org>
Cc: nouveau
<nouveau-PD4FTy7X32lNgt0PjOBp9y5qC8QIuHrW@public.gmane.org>,
Ben Skeggs <bskeggs-H+wXaHxf7aLQT0dZR+AlfA@public.gmane.org>,
dri-devel
<dri-devel-PD4FTy7X32lNgt0PjOBp9y5qC8QIuHrW@public.gmane.org>
Subject: Re: nouveau. swiotlb: coherent allocation failed for device 0000:01:00.0 size=2097152
Date: Mon, 18 Dec 2017 20:12:12 +0100 [thread overview]
Message-ID: <1513624332.7942.8.camel@gmx.de> (raw)
In-Reply-To: <a083d576-215f-eb76-278b-741fc65fb138-AqjdNwhu20eELgA04lAiVw@public.gmane.org>
On Mon, 2017-12-18 at 20:01 +0100, Tobias Klausmann wrote:
> On 12/18/17 7:06 PM, Mike Galbraith wrote:
> > Greetings,
> >
> > Kernel bound workloads seem to trigger the below for whatever reason.
> > I only see this when beating up NFS. There was a kworker wakeup
> > latency issue, but with a bandaid applied to fix that up, I can still
> > trigger this.
>
>
> Hi,
>
> i have seen this one as well with my system, but i could not find an
> easy way to trigger it for bisecting purpose. If you can trigger it
> conveniently, a bisect would be nice!
Workload permitting. To reproduce, mount your box NFS, cd to somewhere
the NFS mount, and just do bonnie -s <memory size>. There, maybe
you'll beat me to it. I hope so, I have multiple kernels doing the
annoying "baby birds in a nest" thing at me literally endlessly :)
-Mike
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Nouveau@lists.freedesktop.org
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next prev parent reply other threads:[~2017-12-18 19:12 UTC|newest]
Thread overview: 10+ messages / expand[flat|nested] mbox.gz Atom feed top
2017-12-18 18:06 nouveau. swiotlb: coherent allocation failed for device 0000:01:00.0 size=2097152 Mike Galbraith
[not found] ` <1513620418.7113.51.camel-Mmb7MZpHnFY@public.gmane.org>
2017-12-18 19:01 ` Tobias Klausmann
[not found] ` <a083d576-215f-eb76-278b-741fc65fb138-AqjdNwhu20eELgA04lAiVw@public.gmane.org>
2017-12-18 19:12 ` Mike Galbraith [this message]
2017-12-19 10:37 ` Michel Dänzer
[not found] ` <f447948f-cfad-f4ea-4c41-54e42a733c16-otUistvHUpPR7s880joybQ@public.gmane.org>
2017-12-19 10:39 ` Michel Dänzer
2017-12-19 13:45 ` Christian König
[not found] ` <e1b8dd62-4423-2b51-9634-e8938801b5d9-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org>
2017-12-31 18:27 ` Ilia Mirkin
[not found] ` <CAKb7Uvgt+SOwf6i2kAzEz65VTGzP6vYb2nBD+78FnXLtMZfOvg-JsoAwUIsXosN+BqQ9rBEUg@public.gmane.org>
2017-12-31 20:53 ` Mike Galbraith
[not found] ` <1514753618.20829.3.camel-Mmb7MZpHnFY@public.gmane.org>
2018-01-01 18:08 ` Ilia Mirkin
2018-01-02 9:43 ` Christian König
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