*** This bug is a duplicate of bug 41991 *** ** This bug is no longer a duplicate of bug 46685 wvdial upgrade causes system crash with ltmodem ** This bug has been marked a duplicate of bug 41991 ltmodem use hangs 686 kernel -- System hangs when using ltserial, ltmodem, /dev/ttyLTM0 https://launchpad.net/bugs/46935