[ATrpms-users] Latest (0.7) ivtv, 2.6.17, and Live TV in Mythtv?

[Matt]

Just managed to get my PVR-500 working with FC5 x86_64.  I can watch TV 
all day on either tuner with no problems using mplayer (and exit and 
come back in).  MythTV different story. When I first start the backend 
and then use the frontend I can watch live TV fine, I can change back 
and forth between turners fine, everything works.  The problem....  I 
can't go back into live TV a second time.  It will give me nothing but a 
black screen and the keyboard and mouse is un-responsive.  If I quickly 
ssh in from another system and kill the frontend I'm ok again.  At the 
point mythbackend is dead and I can't rmmod the ivtv driver (in use 
errors) but otherwise the system is fine.  If I let it go for longer 
then ~ 1 minute the system becomes completely unresponsive, I can't even 
ssh in or ping it, the hard drive light stays on solid, and I have to 
hard reboot the system.  Recordings I have yet to test.  Any ideas?  Bug?