You have been subscribed to a public bug: # Steps to reproduce
# Working case uname -a Linux ubuntu 4.15.0-91-generic #92-Ubuntu SMP Fri Feb 28 11:09:48 UTC 2020 x86_64 x86_64 x86_64 GNU/Linux lsusb -d 04e2:1411 -v > xr-usb-serial-devices.txt lsusb -t >> xr-usb-serial-devices.txt # Unbind 2 xr-usb-serial devices echo '3-14.1' | tee /sys/bus/usb/drivers/usb/unbind echo '3-14.3' | tee /sys/bus/usb/drivers/usb/unbind dmesg > dmesg.txt # Non working case uname -a Linux ubuntu 4.15.0-99-generic #100-Ubuntu SMP Wed Apr 22 20:32:56 UTC 2020 x86_64 x86_64 x86_64 GNU/Linux lsusb -d 04e2:1411 -v > xr-usb-serial-devices.txt <lsusb hangs here> dmesg > dmesg.txt This regression is almost certainly caused by one of the 2020-03-11 commits: https://kernel.ubuntu.com/git/ubuntu/ubuntu-bionic.git/log/ubuntu/xr-usb-serial?h=Ubuntu-4.15.0-99.100&id=5966ed54d467fa77e7dbd7355177a5a6d1db7004 ** Affects: linux (Ubuntu) Importance: Undecided Status: New ** Tags: bot-comment kernel-bug regression-update -- kernel oops xr-usb-serial https://bugs.launchpad.net/bugs/1885271 You received this bug notification because you are a member of Kernel Packages, which is subscribed to linux in Ubuntu. -- Mailing list: https://launchpad.net/~kernel-packages Post to : [email protected] Unsubscribe : https://launchpad.net/~kernel-packages More help : https://help.launchpad.net/ListHelp
