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Hi Corsair As a Firmware Engineer I have just build a new Workstation with a Ryzen 5950x, Asus Rog Croshair VIII Hero motherboard. Using a Gentoo Linux, currently with kernel gentoo-sources 5.4.80 gives the following warning on boot. dec 24 12:46:28 nova kernel: nvme nvme0: missing or invalid SUBNQN field. dec 24 12:46:28 nova kernel: nvme nvme0: Shutdown timeout set to 10 seconds This issue with invalid SUBNQN field is a known issue in a number of NVMe units. If you look at the kernel code you will see that it has a dedicated quirk for it. See NVME_QUIRK_IGNORE_DEV_SUBNQN in https://github.com/torvalds/linux/blob/master/drivers/nvme/host/pci.c So my question is what is fixed in firmware 13 for the drive? Does it include the wrong SUBNQN field? I can't find a detailed changelog, preferable with info about for each commit done to the firmware codebase between the two releases. Second is the firmware files available somewhere or only the tool? Based on the input from others regarding the new firmware and performance I will be relectant to upgrade until I know if the issue about the SUBNQN is fixed. If anyone have an upgraded MP600 1TB, can you please boot a linux (just a bootable USB pen) and verify if you see the issue. Just use the journalctl -b