I just ran into this one as well. This USB->rs232 converter worked about 2 years ago and has sat unused since, so I'm not able to confirm the kernel version under which it last worked.
uname -a reports "Linux thinkpad 2.6.32-22-generic #33-Ubuntu SMP Wed Apr 28 13:27:30 UTC 2010 i686 GNU/Linux" The relevant dmesg snippet: [814192.352299] cypress 5-1:1.0: device disconnected [814196.012104] usb 5-1: new low speed USB device using uhci_hcd and address 3 [814201.194483] usb 5-1: configuration #1 chosen from 1 choice [814206.207473] cypress 5-1:1.0: HID->COM RS232 Adapter converter detected [814206.210573] usb 5-1: HID->COM RS232 Adapter converter now attached to ttyUSB0 [814221.157545] cyphidcom ttyUSB0: cypress_serial_control - failed to retrieve serial line settings - -71 [814221.157557] cyphidcom ttyUSB0: cypress_m8 suspending failing port 0 - interval might be too short [814221.181482] usb 5-1: cypress_read_int_callback - unexpected nonzero read status received: -84 I'm using GtkTerm, which reports "Unable to open device: I/O Error" I just ran the apport-collect script, and will try a mainline kernel next. -- USB-Serial adapter locks up minicom - cypress_m8 https://bugs.launchpad.net/bugs/244958 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