linux-kernel - Re: 2 second nvme initialization delay regression in 5.18 [Was: Re: [bug report]nvme0: Admin Cmd(0x6), I/O Error (sct 0x0 / sc 0x2) MORE DNR observed during blktests]

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Message-ID: <20220620070902.GA11418@lst.de>
Date:   Mon, 20 Jun 2022 09:09:02 +0200
From:   Christoph Hellwig <hch@....de>
To:     onenowy <onenowy@...il.com>
Cc:     hch@....de, Jason@...c4.com, abhijeet.rao@...el.com,
        alan.adamson@...cle.com, axboe@...com, kbusch@...nel.org,
        linux-kernel@...r.kernel.org, linux-nvme@...ts.infradead.org,
        monish.kumar.r@...el.com, pankydev8@...il.com, sagi@...mberg.me,
        yi.zhang@...hat.com
Subject: Re: 2 second nvme initialization delay regression in 5.18 [Was:
 Re: [bug report]nvme0: Admin Cmd(0x6), I/O Error (sct 0x0 / sc 0x2)
 MORE DNR observed during blktests]

On Mon, Jun 20, 2022 at 12:36:27PM +0900, onenowy wrote:
> Some samsung SSD for OEM also have the identical PCI-ids and are affected by this quirk.
> But they have different subsystem-ids.

> Addtition of subsystem-ids of X5 to pci_device_id(as below) may solve this problem.

Monish, can you look into that?