Also appears in focal, generating a syslog warning about every 5 seconds, which makes using a tty console quite difficult:
$ uname -r 5.4.0-33-generic $ tail /var/log/syslog Jun 4 21:48:16 alpe kernel: [ 1350.631168] usb usb4-port1: Cannot enable. Maybe the USB cable is bad? Jun 4 21:48:20 alpe kernel: [ 1355.047109] usb usb4-port1: Cannot enable. Maybe the USB cable is bad? Jun 4 21:48:25 alpe kernel: [ 1359.507044] usb usb4-port1: Cannot enable. Maybe the USB cable is bad? -- 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/1856608 Title: [Regression] usb usb2-port2: Cannot enable. Maybe the USB cable is bad? Status in linux package in Ubuntu: Incomplete Status in linux source package in Bionic: Fix Released Status in linux source package in Disco: Fix Released Status in linux source package in Eoan: Fix Released Status in linux source package in Focal: Incomplete Bug description: This appears to be a regression between 4.15.0-70.79 and 4.15.0-72.81. This bug was fixed by simply reverting the offending change. Bug 1859873 tracks root causing the issue and reapplying the change w/ any necessary fixes. [Impact] USB port unusable and boot time takes ~5 minutes longer to complete. Kernel emits messages like: usb usb2-port2: Cannot enable. Maybe the USB cable is bad? [Test Case] dmesg | grep "Cannot enable" [Fix] [Regression Risk] To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1856608/+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
