Thank ou, Leann. I've installed the 2.6.27-2 kernel and tried to plug the device without acpi :
[ 222.404189] usb 2-1: new full speed USB device using uhci_hcd and address 104 [ 222.572042] usb 2-1: configuration #1 chosen from 1 choice [ 222.576033] firmware: requesting zd1201.fw [ 223.301235] usb 2-1: <NULL>: rx urb failed: -84 [ 223.308029] zd1201: probe of 2-1:1.0 failed with error -5 The firmware is installed (deb package) and works with the 2.6.24-21 kernel. -- zd1201 rx urb failed https://bugs.launchpad.net/bugs/147198 You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs