[linux-dvb] TT Budget C-1501 with Alphacrypt - write errors

[linux-dvb] TT Budget C-1501 with Alphacrypt - write errors

[Simon Baxter]

I'm running 2x TT-C1501 cards with 2x Alphacrypt CAMs running 3.19 with VDR. 
I'm running 2.6.33.5-124.fc13.x86_64 kernel.

Mostly they work well and decode multi channels just fine.  But 
intermittantly (a few times a day) one the CAMs can't be written to and drop 
to "CAM Ready" under VDR, needing a reset before they'll start working 
again.  It's happenning to both, but never at the same time.

In VDR I'm getting this read error from dvbci.c:
void cDvbCiAdapter::Write(const uint8_t *Buffer, int Length)
{
  if (Buffer && Length > 0) {
     if (safe_write(fd, Buffer, Length) != Length)
        esyslog("ERROR: can't write to CI adapter on device %d: %m", 
device->DeviceNumber());
     }
}


It's driving me mad, and I'm looking at a way of automatically resetting the 
CAMs just to keep things running.

Any suggestions on why the CAMs would lock up?  Any suggestions on debugs I 
can run to diagnose?


Thanks
Simon 


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