i have the same problem on Thinkpad T60. Simply doing cat /dev/ttyUSB0 on two terminals hangs system. It seems that linux 2.6.21 has some fixes for Merlin XU870 - http://crypto.riken.go.jp/pub/linux/kernel.org/kernel/v2.6/snapshots/patch-2.6.21-rc3-git6.log
i have the same problem on Thinkpad T60. Simply doing cat /dev/ttyUSB0 on two terminals hangs system. It seems that linux 2.6.21 has some fixes for Merlin XU870 - http:// crypto. riken.go. jp/pub/ linux/kernel. org/kernel/ v2.6/snapshots/ patch-2. 6.21-rc3- git6.log