[bug report]nvme0: Admin Cmd(0x6), I/O Error (sct 0x0 / sc 0x2) MORE DNR observed during blktests

[Alan Adamson]

[   97.083215] nvme0: Admin Cmd(0x6), I/O Error (sct 0x0 / sc 0x2) MORE DNR

An error from the device (status=2/Invalid Field) when an Identify (0x6) command was issued. Prior to the patch,
the nvme driver didn’t display the error.

Alan


> On Apr 3, 2022, at 7:28 AM, Yi Zhang <yi.zhang at redhat.com> wrote:
> 
> Hello
> 
> I found this error log during blktests[1] with the latest
> linux-block/for-next, seems it was introduced after commit[2], is that
> expected?
> 
> [1]
> [   96.931911] run blktests nvme/004 at 2022-04-02 20:53:16
> [   97.024693] loop: module loaded
> [   97.029319] loop0: detected capacity change from 0 to 2097152
> [   97.039641] nvmet: adding nsid 1 to subsystem blktests-subsystem-1
> [   97.068847] nvmet: creating nvm controller 1 for subsystem
> blktests-subsystem-1 for NQN
> nqn.2014-08.org.nvmexpress:uuid:4c4c4544-0035-4b10-8044-b9c04f463333.
> [   97.083215] nvme0: Admin Cmd(0x6), I/O Error (sct 0x0 / sc 0x2) MORE DNR
> [   97.090108] nvme nvme0: creating 32 I/O queues.
> [   97.098283] nvme nvme0: new ctrl: "blktests-subsystem-1"
> [   98.136900] nvme nvme0: Removing ctrl: NQN "blktests-subsystem-1"
> 
> [2]
> commit bd83fe6f2cd2133beaac7c423fd36c3515048fc8
> Author: Alan Adamson <alan.adamson at oracle.com>
> Date:   Thu Feb 3 00:11:53 2022 -0800
> 
>    nvme: add verbose error logging
> 
> -- 
> Best Regards,
>  Yi Zhang
>