Comment 11 for bug 77825

This bug is still present in jaunty with kernel 2.6.28. Here is more information.

Linux ubuntu 2.6.28-11-generic #42-Ubuntu SMP Fri Apr 17 01:57:59 UTC 2009 i686 GNU/Linux
With Kubuntu live Cd:
Description: Ubuntu 9.04
Release: 9.04
Codename: jaunty

dmesg after inserting
[33189.204020] usb 3-3: new full speed USB device using ohci_hcd and address 2
[33189.478564] usb 3-3: configuration #1 chosen from 1 choice
[33191.974828] USB Serial support registered for oti6858
[33191.974876] oti6858 3-3:1.0: oti6858 converter detected
[33191.975083] usb 3-3: oti6858 converter now attached to ttyUSB0
[33191.975112] usbcore: registered new interface driver oti6858

dmesg after removing
[33248.141858] usb 3-3: USB disconnect, address 2
[33248.145143] oti6858 ttyUSB0: oti6858 converter now disconnected from ttyUSB0
[33248.145170] oti6858 3-3:1.0: device disconnected

lsmod after inserting
oti6858 21892 0

lsusb
Bus 003 Device 004: ID 0ea0:6858 Ours Technology, Inc.

$ modinfo oti6858
filename: /lib/modules/2.6.28-11-generic/kernel/drivers/usb/serial/oti6858.ko
license: GPL
version: 0.1
author: Tomasz Michal Lukaszewski <FIXME@FIXME>
description: Ours Technology Inc. OTi-6858 USB to serial adapter driver
srcversion: 528224004E0C2E4A0A60E63
alias: usb:v0EA0p6858d*dc*dsc*dp*ic*isc*ip*
depends:
vermagic: 2.6.28-11-generic SMP mod_unload modversions 586
parm: debug:enable debug output (bool)

Here this cable is reported to work
http://wiki.gnokii.org/index.php/Cables#DKU-5_and_CA-42

Cable data sheet and specifications
http://www.stkaiser.de/anleitung/files/OTi6858.pdf