linux-kernel - Re: use generic DMA mapping code in powerpc V4

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Message-ID: <d447ac4e18bddd030aa2f56a0547c0132b3f8dcd.camel@kernel.crashing.org>
Date:   Wed, 12 Dec 2018 11:47:16 +1100
From:   Benjamin Herrenschmidt <benh@...nel.crashing.org>
To:     Christian Zigotzky <chzigotzky@...osoft.de>,
        Christoph Hellwig <hch@....de>
Cc:     linux-arch@...r.kernel.org,
        Darren Stevens <darren@...vens-zone.net>,
        linux-kernel@...r.kernel.org, Julian Margetson <runaway@...dw.ms>,
        linux-mm@...ck.org, iommu@...ts.linux-foundation.org,
        Paul Mackerras <paulus@...ba.org>,
        Olof Johansson <olof@...om.net>, linuxppc-dev@...ts.ozlabs.org
Subject: Re: use generic DMA mapping code in powerpc V4

On Tue, 2018-12-11 at 19:17 +0100, Christian Zigotzky wrote:
> X5000 (P5020 board): U-Boot loads the kernel and the dtb file. Then the 
> kernel starts but it doesn't find any hard disks (partitions). That 
> means this is also the bad commit for the P5020 board.

What are the disks hanging off ? A PCIe device of some sort ?

Can you send good & bad dmesg logs ?

Ben.