From: Federico Vaga <federico.vaga-VIMSii5OdOuonA0d6jMUrA@public.gmane.org>
To: Robin Murphy <robin.murphy-5wv7dgnIgG8@public.gmane.org>
Cc: iommu-cunTk1MwBs9QetFLy7KEm3xJsTq8ys+cHZ5vskTnxNA@public.gmane.org
Subject: Re: IOMMU - DMA debugging
Date: Fri, 11 Aug 2017 11:35:35 +0200 [thread overview]
Message-ID: <2354060.VDW3kf4Bxo@harkonnen> (raw)
In-Reply-To: <22729074.Vd8Fat30YZ@harkonnen>
Hello,
just to conclude this issue
On Thursday, July 13, 2017 10:43:27 AM CEST Federico Vaga wrote:
> On Wednesday, July 12, 2017 8:02:42 PM CEST Robin Murphy wrote:
> [...]
> > or alternatively the hardware itself is going wrong somehow (e.g. trying
> > to read a buffer address from an in-memory descriptor, getting back
> > junk, and going downhill from there).
>
> Probably it worth to have a look there
It was an hardware problem it has been fixed. Now the DMA works with and
without IOMMU.
Thank you again
--
Federico Vaga
http://www.federicovaga.it/
prev parent reply other threads:[~2017-08-11 9:35 UTC|newest]
Thread overview: 7+ messages / expand[flat|nested] mbox.gz Atom feed top
2017-07-12 7:11 IOMMU - DMA debugging Federico Vaga
2017-07-12 11:10 ` Robin Murphy
[not found] ` <1c0e4473-9b50-fe0c-d544-71464360ab7f-5wv7dgnIgG8@public.gmane.org>
2017-07-12 12:15 ` Federico Vaga
2017-07-12 17:20 ` Federico Vaga
2017-07-12 18:02 ` Robin Murphy
[not found] ` <9273b2ab-2648-63f7-fe0f-a4462b4e4062-5wv7dgnIgG8@public.gmane.org>
2017-07-13 8:43 ` Federico Vaga
2017-08-11 9:35 ` Federico Vaga [this message]
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