linux-kernel - Re: [PATCH 1/1] ARM: exynos_defconfig: Disable IOMMU support

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Message-id: <1424175623.14482.4.camel@AMDC1943>
Date:	Tue, 17 Feb 2015 13:20:23 +0100
From:	Krzysztof Kozlowski <k.kozlowski@...sung.com>
To:	Javier Martinez Canillas <javier.martinez@...labora.co.uk>
Cc:	Kukjin Kim <kgene@...nel.org>, Olof Johansson <olof@...om.net>,
	Marek Szyprowski <m.szyprowski@...sung.com>,
	Andreas Faerber <afaerber@...e.de>,
	linux-samsung-soc@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH 1/1] ARM: exynos_defconfig: Disable IOMMU support

On wto, 2015-02-17 at 12:38 +0100, Javier Martinez Canillas wrote:
> Enabling Exynos DRM IOMMU support for Exynos is currently broken and
> causes a BUG on exynos-iommu driver. This was not an issue since the
> options was disabled in exynos_defconfig but after commit 8dcc14f82f06
> ("drm/exynos: IOMMU support should not be selectable by user"), it is
> selected if EXYNOS_IOMMU is enabled which is in exynos_defconfig.
> 
> So a kernel built using exynos_defconfig after the mentioned commit
> fails to boot [0]. Disable IOMMU support in Exynos defconfig until
> things get sorted out.

On which board you got this error?

Best regards,
Krzysztof



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