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Date: Tue, 21 Jul 2015 18:35:17 +0200
From: Joerg Roedel <joro@8bytes.org>
To: Andreas Hartmann <andihartmann@freenet.de>
Cc: Alex Williamson <alex.williamson@redhat.com>,
	linux-pci <linux-pci@vger.kernel.org>,
	iommu <iommu@lists.linux-foundation.org>
Subject: Re: Since Linux 4.1: A lot of AMD-Vi IO_PAGE_FAULTs
Message-ID: <20150721163517.GG10969@8bytes.org>
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On Tue, Jul 21, 2015 at 06:20:23PM +0200, Andreas Hartmann wrote:
> [   48.193901] <6>[fglrx] Firegl kernel thread PID: 1840
> [   48.193985] <6>[fglrx] Firegl kernel thread PID: 1841
> [   48.194063] <6>[fglrx] Firegl kernel thread PID: 1842
> [   48.194172] <6>[fglrx] IRQ 28 Enabled
> [   48.261580] <6>[fglrx] Reserved FB block: Shared offset:0, size:1000000 
> [   48.261586] <6>[fglrx] Reserved FB block: Unshared offset:f7b4000, size:4000 
> [   48.261587] <6>[fglrx] Reserved FB block: Unshared offset:f7b8000, size:548000 
> [   48.261588] <6>[fglrx] Reserved FB block: Unshared offset:3fff3000, size:d000

>>From a first glance it doesn't look like an IOMMU driver issue, because
the addresses where the faults happen are not from the AMD IOMMU driver.

And you have proprietary closed-source drivers loaded, can you reproduce
the issue without fglrx?


	Joerg