I had tried to submit a patch to kernel community, and maintainer recommend we'd better cover all platforms other than VMD. The latest discussion listed as below. https://lore.kernel.org/all/20221116174205.GA1122329@bhelgaas/#t
On the other hand, I had opened a case to Intel, the case was closed now because they said it is an known issue and actually it has not any function impact. Here is the link for your reference. https://premiersupport.intel.com/IPS/s/case-detail?recordId=5003b00001hkcGf -- You received this bug notification because you are a member of Kernel Packages, which is subscribed to linux in Ubuntu. https://bugs.launchpad.net/bugs/1986792 Title: There are failed messages showing "BAR 13: failed to assign [io size 0x1000]" in dmesg, syslog, and kern.log in Ubuntu 22.04 LTS Status in linux package in Ubuntu: Confirmed Bug description: 1. Power on SUT and boot into UEFI setup. 2. Enable VMD then reboot SUT and enter UEFI setup to create VROC NVMe RAID 0. 3. Install Ubuntu 22.04 LTS (ubuntu-22.04-live-server-amd64.iso) on the VROC NVMe RAID disk. 4. Boot into OS then check system logs to check if there are any unexpected failed or error messages. (=> failed, there are failed messages in dmesg, /var/log/syslog, and /var/log/kern.log, showing: pci 10001:80:02.0: BAR 13: failed to assign [io size 0x1000] pci 10001:80:03.0: BAR 13: failed to assign [io size 0x1000] pci 10001:80:04.0: BAR 13: failed to assign [io size 0x1000] pci 10001:80:05.0: BAR 13: failed to assign [io size 0x1000] where 10001:80:02.0 = PCI bridge: Intel Corporation Device 347a (rev 04) 10001:80:03.0 = PCI bridge: Intel Corporation Device 347b (rev 04) 10001:80:04.0 = PCI bridge: Intel Corporation Device 347c (rev 04) 10001:80:05.0 = PCI bridge: Intel Corporation Device 347d (rev 04) ) --- ProblemType: Bug AlsaDevices: total 0 crw-rw----+ 1 root audio 116, 1 Aug 18 14:57 seq crw-rw----+ 1 root audio 116, 33 Aug 18 14:57 timer AplayDevices: Error: [Errno 2] No such file or directory: 'aplay' ApportVersion: 2.20.11-0ubuntu82.1 Architecture: amd64 ArecordDevices: Error: [Errno 2] No such file or directory: 'arecord' AudioDevicesInUse: Error: command ['fuser', '-v', '/dev/snd/seq', '/dev/snd/timer'] failed with exit code 1: CRDA: N/A CasperMD5CheckResult: pass DistroRelease: Ubuntu 22.04 InstallationDate: Installed on 2022-08-18 (0 days ago) InstallationMedia: Ubuntu-Server 22.04.1 LTS "Jammy Jellyfish" - Release amd64 (20220816) IwConfig: Error: [Errno 2] No such file or directory: 'iwconfig' Lsusb: Bus 002 Device 001: ID 1d6b:0003 Linux Foundation 3.0 root hub Bus 001 Device 003: ID 0624:0407 Avocent Corp. IBM 39M2894 Bus 001 Device 004: ID 17ef:b000 Lenovo Virtual Keyboard and Mouse Bus 001 Device 002: ID 1d6b:0107 Linux Foundation USB Virtual Hub Bus 001 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub MachineType: Lenovo ThinkEdge SE450 Package: linux (not installed) PciMultimedia: ProcEnviron: TERM=xterm PATH=(custom, no user) XDG_RUNTIME_DIR=<set> LANG=en_US.UTF-8 SHELL=/bin/bash ProcFB: 0 astdrmfb ProcKernelCmdLine: BOOT_IMAGE=/vmlinuz-5.15.0-46-generic root=/dev/mapper/ubuntu--vg--1-ubuntu--lv ro ProcVersionSignature: Ubuntu 5.15.0-46.49-generic 5.15.39 RelatedPackageVersions: linux-restricted-modules-5.15.0-46-generic N/A linux-backports-modules-5.15.0-46-generic N/A linux-firmware 20220329.git681281e4-0ubuntu3.4 RfKill: Error: [Errno 2] No such file or directory: 'rfkill' Tags: jammy uec-images Uname: Linux 5.15.0-46-generic x86_64 UpgradeStatus: No upgrade log present (probably fresh install) UserGroups: N/A _MarkForUpload: True dmi.bios.date: 08/08/2022 dmi.bios.release: 1.23 dmi.bios.vendor: Lenovo dmi.bios.version: CME105F-1.23 dmi.board.asset.tag: none dmi.board.name: 7D8TCTO1WW dmi.board.vendor: Lenovo dmi.board.version: 05 dmi.chassis.asset.tag: none dmi.chassis.type: 23 dmi.chassis.vendor: Lenovo dmi.chassis.version: none dmi.ec.firmware.release: 1.40 dmi.modalias: dmi:bvnLenovo:bvrCME105F-1.23:bd08/08/2022:br1.23:efr1.40:svnLenovo:pnThinkEdgeSE450:pvr05:rvnLenovo:rn7D8TCTO1WW:rvr05:cvnLenovo:ct23:cvrnone:sku7D8TCTO1WW: dmi.product.family: ThinkSystem dmi.product.name: ThinkEdge SE450 dmi.product.sku: 7D8TCTO1WW dmi.product.version: 05 dmi.sys.vendor: Lenovo To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1986792/+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
