Missing or invalid SUBNQN on Corsair MP600 1TB device

From: Claus Stovgaard <claus.stovgaard@gmail.com>
To: linux-nvme@lists.infradead.org
Subject: Missing or invalid SUBNQN on Corsair MP600 1TB device
Date: Mon, 25 Jan 2021 17:00:57 +0100	[thread overview]
Message-ID: <04fdb6a116bbc4d9eadc3f9434d8b6f2426e3c57.camel@gmail.com> (raw)

Hi

This is my first post to this mailing list, so please forgive me if it
is already discussed.

I have just build a new workstation, where I noticed the following
warning for the Corsair MP600 1 TB drive.

nvme nvme0: missing or invalid SUBNQN field.

it arrived with firmware 11.3 and I have later upgraded to firmware
13.0 to see if they have fixed the firmware.

Have also reported in their forum
https://forum.corsair.com/forums/showthread.php?p=1077109#post1077109

Looking in the host pci.c code it seems to be a known issue on some
drives where the "NVME_QUIRK_IGNORE_DEV_SUBNQN" is used.

So I guess that Corsair MP600 is a candidate for the same quirk.

Considered to add the Corsair to the list of drives with
NVME_QUIRK_IGNORE_DEV_SUBNQN, but would just ask here first, if it
would be the correct use and understanding.

Regards Claus

Below is info for my system for reference.

nova /home/frosteyes # uname -a
Linux nova 5.10.10-gentoo-FrostEyes #1 SMP PREEMPT Sun Jan 24 23:26:32
CET 2021 x86_64 AMD Ryzen 9 5950X 16-Core Processor AuthenticAMD
GNU/Linux

nova /home/frosteyes # journalctl -b | grep nvme0
jan 24 23:32:23 nova kernel: nvme nvme0: pci function 0000:01:00.0
jan 24 23:32:23 nova kernel: nvme nvme0: missing or invalid SUBNQN
field.
jan 24 23:32:23 nova kernel: nvme nvme0: Shutdown timeout set to 10
seconds
jan 24 23:32:23 nova kernel: nvme nvme0: 8/0/0 default/read/poll queues
jan 24 23:32:23 nova kernel:  nvme0n1: p1 p2

nova /home/frosteyes # nvme list
Node             SN                   Model                            
        Namespace Usage                      Format           FW Rev  
---------------- -------------------- -------------------------------
--------- --------- -------------------------- ---------------- -----
---
/dev/nvme0n1     203982290001285542EC Force
MP600                              1           1,00  TB
/   1,00  TB    512   B +  0 B   EGFM13.0

nova /home/frosteyes # lspci -v -nn -s 1:00
01:00.0 Non-Volatile memory controller [0108]: Phison Electronics
Corporation E16 PCIe4 NVMe Controller [1987:5016] (rev 01) (prog-if 02
[NVM Express])
        Subsystem: Phison Electronics Corporation E16 PCIe4 NVMe
Controller [1987:5016]
        Flags: bus master, fast devsel, latency 0, IRQ 42, NUMA node 0
        Memory at fcf00000 (64-bit, non-prefetchable) [size=16K]
        Capabilities: [80] Express Endpoint, MSI 00
        Capabilities: [d0] MSI-X: Enable+ Count=9 Masked-
        Capabilities: [e0] MSI: Enable- Count=1/8 Maskable- 64bit+
        Capabilities: [f8] Power Management version 3
        Capabilities: [100] Latency Tolerance Reporting
        Capabilities: [110] L1 PM Substates
        Capabilities: [128] Alternative Routing-ID Interpretation (ARI)
        Capabilities: [1e0] Data Link Feature <?>
        Capabilities: [200] Advanced Error Reporting
        Capabilities: [300] Secondary PCI Express
        Capabilities: [340] Physical Layer 16.0 GT/s <?>
        Capabilities: [378] Lane Margining at the Receiver <?>
        Kernel driver in use: nvme

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