Same appears on Ubuntu 14.04 and 16.04 on PICO500 board. $ sudo dmidecode -s bios-version && sudo dmidecode -s bios-release-date # SMBIOS implementations newer than version 2.8 are not # fully supported by this version of dmidecode. 5.11 # SMBIOS implementations newer than version 2.8 are not # fully supported by this version of dmidecode. 02/21/2017
BIOS appears to be AMI based and the error message is like this: [ 2219.629654] xhci_hcd 0000:00:14.0: WARN Event TRB for slot 4 ep 4 with no TDs queued? [ 2219.629766] xhci_hcd 0000:00:14.0: WARN Event TRB for slot 4 ep 4 with no TDs queued? [ 2219.629845] xhci_hcd 0000:00:14.0: WARN Event TRB for slot 4 ep 4 with no TDs queued? [ 2219.629963] xhci_hcd 0000:00:14.0: WARN Event TRB for slot 4 ep 4 with no TDs queued? [ 2219.630054] xhci_hcd 0000:00:14.0: WARN Event TRB for slot 4 ep 4 with no TDs queued? [ 2219.633358] xhci_hcd 0000:00:14.0: WARN Event TRB for slot 4 ep 4 with no TDs queued? [ 2219.633461] xhci_hcd 0000:00:14.0: WARN Event TRB for slot 4 ep 4 with no TDs queued? [ 2219.633561] xhci_hcd 0000:00:14.0: WARN Event TRB for slot 4 ep 4 with no TDs queued? [ 2219.636845] xhci_hcd 0000:00:14.0: WARN Event TRB for slot 4 ep 4 with no TDs queued? [ 2219.636967] xhci_hcd 0000:00:14.0: WARN Event TRB for slot 4 ep 4 with no TDs queued? [ 2219.637056] xhci_hcd 0000:00:14.0: WARN Event TRB for slot 4 ep 4 with no TDs queued? [ 2219.641516] xhci_hcd 0000:00:14.0: WARN Event TRB for slot 4 ep 4 with no TDs queued? [ 2219.641643] xhci_hcd 0000:00:14.0: WARN Event TRB for slot 4 ep 4 with no TDs queued? [ 2219.641753] xhci_hcd 0000:00:14.0: WARN Event TRB for slot 4 ep 4 with no TDs queued? [ 2219.641859] xhci_hcd 0000:00:14.0: WARN Event TRB for slot 4 ep 4 with no TDs queued? [ 2219.641973] xhci_hcd 0000:00:14.0: WARN Event TRB for slot 4 ep 4 with no TDs queued? [ 2219.642113] xhci_hcd 0000:00:14.0: WARN Event TRB for slot 4 ep 4 with no TDs queued? [ 2219.642208] xhci_hcd 0000:00:14.0: WARN Event TRB for slot 4 ep 4 with no TDs queued? [ 2219.651457] xhci_hcd 0000:00:14.0: WARN Event TRB for slot 4 ep 4 with no TDs queued? [ 2219.651581] xhci_hcd 0000:00:14.0: WARN Event TRB for slot 4 ep 4 with no TDs queued? [ 2219.657631] xhci_hcd 0000:00:14.0: WARN Event TRB for slot 4 ep 4 with no TDs queued? [ 2219.657792] xhci_hcd 0000:00:14.0: WARN Event TRB for slot 4 ep 4 with no TDs queued? -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1541997 Title: dmesg flooded with xhci_hcd warnings "WARN Event TRB for slot 1 ep 8 with no TDs queued?" To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1541997/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs