linux-kernel - Re: v5.9-rc1 commit reliably breaks pci nvme detection

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Message-ID: <d077aec4-d79b-b52e-cdd9-bcc89fbbde5f@fb.com>
Date:   Mon, 17 Aug 2020 08:58:47 -0700
From:   Jens Axboe <axboe@...com>
To:     Keith Busch <kbusch@...nel.org>,
        "Ahmed S. Darwish" <a.darwish@...utronix.de>
CC:     <linux-nvme@...ts.infradead.org>, Sagi Grimberg <sagi@...mberg.me>,
        Chaitanya Kulkarni <chaitanya.kulkarni@....com>,
        <linux-kernel@...r.kernel.org>
Subject: Re: v5.9-rc1 commit reliably breaks pci nvme detection

On 8/17/20 8:56 AM, Keith Busch wrote:
> On Mon, Aug 17, 2020 at 03:50:11PM +0200, Ahmed S. Darwish wrote:
>> Hello,
>>
>> Below v5.9-rc1 commit reliably breaks my boot on a Thinkpad e480
>> laptop. PCI nvme detection fails, and the kernel becomes not able
>> anymore to find the rootfs / parse "root=".
>>
>> Bisecting v5.8=>v5.9-rc1 blames that commit. Reverting it *reliably*
>> fixes the problem and makes me able to boot v5.9-rc1.
> 
> The fix is staged in the nvme tree here:
> 
>   http://git.infradead.org/nvme.git/commit/286155561ecd13b6c85a78eaf2880d3baea03b9e

That would have been nice to have in -rc1...

-- 
Jens Axboe