Verification for the revert: lab@hostname:~$ uname -a Linux hostname 4.15.0-75-generic #85-Ubuntu SMP Wed Jan 15 00:31:23 UTC 2020 x86_64 x86_64 x86_64 GNU/Linux lab@hostname:~$ dmesg | grep "Cannot enable" lab@hostname:~$ dmesg | grep "Maybe" lab@hostname:~$
Booting the bionic kernel 4.15.0-75-generic on an affected system does not trigger the warning messages. There are no complaints about slowdowns or anything that are present when the offending commit is present. Marking this bug as verified. ** Tags removed: verification-needed-bionic verification-needed-disco verification-needed-eoan ** Tags added: verification-done-bionic verification-done-disco verification-done-eoan -- 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 Committed Status in linux source package in Disco: Fix Committed Status in linux source package in Eoan: Fix Committed 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
