There are failed messages showing "BAR 13: failed to assign [io size 0x1000]" in dmesg, syslog, and kern.log in Ubuntu 22.04 LTS

Asked by conie chang

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)
)

Question information

Revision history for this message
actionparsnip (andrew-woodhead666) said :
#1

Linux cannot assign an IO resource on this PCI device

Do you have the latest BIOS in your system?

Revision history for this message
Jeff Lane  (bladernr) said :
#2

Converted to bug which is more appropriate here...

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