Created attachment 294819 attachment-29532-0.html Actually, never mind.
I also see the following when looking at all similar messages: |╰─$ journalctl| grep 'xhci.*Mismatch' || ||Jun 13 14:43:09 quasar-nixos-tr kernel: xhci_hcd 0000:09:00.3: Mismatch between completed Set TR Deq Ptr command & xHCI internal state.|| ||Jun 27 17:58:56 quasar-nixos-tr kernel: xhci_hcd 0000:09:00.3: Mismatch between completed Set TR Deq Ptr command & xHCI internal state.|| ||Jul 16 18:10:53 quasar-nixos-tr kernel: xhci_hcd 0000:09:00.3: Mismatch between completed Set TR Deq Ptr command & xHCI internal state.|| ||Jul 19 16:53:52 quasar-nixos-tr kernel: xhci_hcd 0000:09:00.3: Mismatch between completed Set TR Deq Ptr command & xHCI internal state.|| ||Sep 10 12:24:53 quasar-nixos-tr kernel: xhci_hcd 0000:09:00.3: Mismatch between completed Set TR Deq Ptr command & xHCI internal state.|| ||Oct 09 13:23:53 quasar-nixos-tr kernel: xhci_hcd 0000:09:00.3: Mismatch between completed Set TR Deq Ptr command & xHCI internal state.|| ||Oct 10 12:40:37 quasar-nixos-tr kernel: xhci_hcd 0000:09:00.3: Mismatch between completed Set TR Deq Ptr command & xHCI internal state.|| ||Nov 01 16:44:36 quasar-nixos-tr kernel: xhci_hcd 0000:09:00.3: Mismatch between completed Set TR Deq Ptr command & xHCI internal state.|| ||Dec 21 12:24:03 quasar-nixos-tr kernel: xhci_hcd 0000:09:00.3: Mismatch between completed Set TR Deq Ptr command & xHCI internal state.|| ||Jan 13 19:09:51 quasar-nixos-tr kernel: xhci_hcd 0000:09:00.3: Mismatch between completed Set TR Deq Ptr command & xHCI internal state.|| ||Jan 23 14:48:41 quasar-nixos-tr kernel: xhci_hcd 0000:09:00.3: Mismatch between completed Set TR Deq Ptr command & xHCI internal state.| There were no crashes in December/November/October & neither did I lose any USB functionality as I did now. In any case, I'm still looking to replace this hardware. -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1690085 Title: Ryzen 1800X freeze - rcu_sched detected stalls on CPUs/tasks To manage notifications about this bug go to: https://bugs.launchpad.net/linux/+bug/1690085/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs