The Ubuntu package has been updated to remove the C rewrite and use the upstream tcl version now which should fix the issue https://launchpad.net/ubuntu/+source/usb-modeswitch/2.6.0-2ubuntu1
We are not going to add tcl as a depends in a stable update though so the C code bug is still going to need to be resolved in focal ** Changed in: usb-modeswitch (Ubuntu) Importance: Undecided => High ** Changed in: usb-modeswitch (Ubuntu) Status: Confirmed => Fix Released ** Summary changed: - usb_modeswitch does not switch modems (remain visible as mass storage) + Device validate failed when connected to an usb hub ** Summary changed: - Device validate failed when connected to an usb hub + Device validation failing when connected to an usb hub -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1866926 Title: Device validation failing when connected to an usb hub To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/usb-modeswitch/+bug/1866926/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs