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

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Message-ID: <2356f514-9408-6a6f-871d-046984963533@kernel.dk>
Date:   Thu, 20 Aug 2020 09:35:38 -0600
From:   Jens Axboe <axboe@...nel.dk>
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 9:58 AM, Jens Axboe wrote:
> 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...

And now we're getting very close to shipping items for -rc2, and it's still
not in. Can we please get the nvme pull request out for -rc2?

-- 
Jens Axboe