There seem to be debug options for usb-serial and sierra. Could you add dmesg output of the warning with
options usb-serial debug=1 options sierra debug=1 set? -- WARNING: at /build/buildd/linux-2.6.26/drivers/usb/serial/usb-serial.c:322 serial_write_room+0x72/0x80 [usbserial]() https://bugs.launchpad.net/bugs/258804 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
