That firmware doesn't exist neither in upstream's nor Ubuntu's linux- firmware. Are you experiencing any issues or are you just worried about the message?
** Also affects: linux-firmware (Ubuntu) Importance: Undecided Status: New ** Changed in: linux-firmware (Ubuntu) Status: New => Incomplete ** Changed in: linux-hwe-5.15 (Ubuntu) Status: New => Invalid -- You received this bug notification because you are a member of Kernel Packages, which is subscribed to linux-firmware in Ubuntu. https://bugs.launchpad.net/bugs/2041558 Title: failed to load firmware renesas_usb_fw.mem Status in linux-firmware package in Ubuntu: Incomplete Status in linux-hwe-5.15 package in Ubuntu: Invalid Bug description: the log show below: xhci_hcd 0000:27:00.0: failed to load firmware renesas_usb_fw.mem, fallback to ROM From this below, it seems just need to add renesas_usb_fw.mem into the initrd. https://bbs.archlinux.org/viewtopic.php?pid=1922549#p1922549 When the firmware is required and is not present, kernel message: Direct firmware load for renesas_usb_fw.mem failed with error When the firmware is required and is an empty file, kernel message: FW has invalid version, followed by the above message. To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/linux-firmware/+bug/2041558/+subscriptions -- Mailing list: https://launchpad.net/~kernel-packages Post to : kernel-packages@lists.launchpad.net Unsubscribe : https://launchpad.net/~kernel-packages More help : https://help.launchpad.net/ListHelp