Hello Marcel, Our mails have crossed. The machines are different and have two usb dongles from Bluegear twin pack from Amazing Tech. I will get the hcidump data and get back. Thx, Swarup Marcel Holtmann wrote: >Hi Swarup, > > > >>I have bluez with bluez-utils-2.7 on two RH 8.0 systems (lx1 and lx2). >> >> > >please upgrade to bluez-utils-2.8 first. What kernel do you use? > > > >>When I start rctest -r on lx1 without starting rctest -s on lx2, lx2 hangs >>and I have to switch it off and on to restart. This happens EVERY TIME >>I try this. >> >> > >I don't get the point how lx2 can hang when you listen at lx1. Are these >two different machines or two dongles connected to the same machine? > > > >>This does not happen when I run l2test in any way. Does it prove that >>there is a problem with RFCOMM? I have not seen this problem in >>the mailing list. If I have missed it, please inform. >> >> > >Actually I don't know. Show us "hcidump -x" from both machines. > >Regards > >Marcel > > > > >