Hi Gerd, I tried with the branch you suggested but it didn't work either. The whole WinXP VM crashed once I virtually "plugged in" the USB ISDN card. I also tried the qemu-kvm-15.1 release but that also didn't work. Do you have any further suggestions? How can I assist in debugging that problem? Cheers Thomas On Monday 19 September 2011 08:30:11 Gerd Hoffmann wrote: > On 09/16/11 18:22, Thomas Beinicke wrote: > > I am experiencing the same problem with version 0.15 while 0.14 works flawless. > > We're using it for an USB ISDN card which freezes the windows host with qemu-kvm 0.15 when "plugged in" while the system is already running or it completely prevents the start of the VM. > > We experience the same problem with two completely different USB ISDN adapters. > > > > I can further debug this problem if necessary. > > Try http://www.kraxel.org/cgit/qemu/log/?h=usb.25.stable > > cheers, > Gerd > > -- > To unsubscribe from this list: send the line "unsubscribe kvm" in > the body of a message to majordomo@xxxxxxxxxxxxxxx > More majordomo info at http://vger.kernel.org/majordomo-info.html -- To unsubscribe from this list: send the line "unsubscribe kvm" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html