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Message-ID: <5f37b0b0-6cb5-b210-a894-d1e91976126e@arm.com>
Date:   Mon, 24 Apr 2023 14:20:50 +0100
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Subject: Re: [regression] Bug 217218 - Trying to boot Linux version 6-2.2
 kernel with Marvell SATA controller 88SE9235
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To:     Jason Adriaanse <jason_a69@yahoo.co.uk>, hch@lst.de
Cc:     baolu.lu@linux.intel.com, iommu@lists.linux.dev,
        linux-kernel@vger.kernel.org, linux-pci@vger.kernel.org,
        regressions@lists.linux.dev
References: <20230416065503.GB6410@lst.de>
 <fc9f4cef-9426-c9d2-3c2c-3ce12fe5f6c3@yahoo.co.uk>
From:   Robin Murphy <robin.murphy@arm.com>
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On 2023-04-22 07:25, Jason Adriaanse wrote:
> Hi Christoph,
> 
> Sorry for my late reply, I have been on the road.
> 
> So, if I boot with
> intel_iommu=off
> Then the server boots fine..although that is not a solution because I 
> need Intel iommu for virtualisation.
> 
> Also, I build all my kernels with CONFIG_INTEL_IOMMU=y
> 

If you boot 5.15 *without* the "iommu=soft" argument, just 
"intel_iommu=on", does that also break?

Robin.