[mythtv-users] Firewire bus occasionally locks while channel changing

[Phil Linttell]

> I have the exact same behaviour with that same set top box and hd_pvr.
> I use the sa4250_ch script to change channels and on occasion it just
> forgets there is a device on the bus.  I run a reset.sh script that
> fixes the problem - I just haven't integrated it into the channel change
> script - here is the contents of the reset.sh file I use:
> #!/bin/bash
> modprobe -r sbp2 dv1394 ohci1394 raw1394 ieee1394
> modprobe dv1394
> modprobe ohci1394
> modprobe raw1394
> modprobe ieee1394
>
> I see node removed but I don't see the other errors you are getting.
>
> Norm
Thanks, Norm.

So basically remove the driver modules and re-load?  I guess I could put 
a wrapper around the channel changer, that on a failed change re-loads 
all the drivers.  I'll have to wait for it to fail again to test it.

Phil