Verified with BIOS version from X19 -> A01 -> A02 -> A04, this issue is always there.
When this happens, call trace and a lot of USB related error messages could be found in dmesg [ 91.593385] usb 3-4: device not accepting address 8, error -71 [ 91.889414] usb 3-4: new high-speed USB device number 10 using xhci_hcd Also, when rebooting this system or shutting it down after this, it will hang on the splash screen with Ubuntu and dots. Console shows that those USB error messages keep popping up ** Attachment added: "dmesg.log" https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1335026/+attachment/4143678/+files/dmesg.log -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1335026 Title: [Dell OptiPlex 3011] Sometimes system won't be able to run suspend stress test To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1335026/+subscriptions -- ubuntu-bugs mailing list [email protected] https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
