[mythtv-commits] Ticket #5278: Firewire Uses Bad Port Number and Fails

MythTV mythtv at cvs.mythtv.org
Sun Apr 18 03:38:30 UTC 2010


#5278: Firewire Uses Bad Port Number and Fails
---------------------------------+------------------------------------------
 Reporter:  scottadmi@…          |        Owner:  jarod 
     Type:  defect               |       Status:  closed
 Priority:  minor                |    Milestone:  0.24  
Component:  MythTV - Recording   |      Version:  0.21  
 Severity:  medium               |   Resolution:  fixed 
  Mlocked:  0                    |  
---------------------------------+------------------------------------------

Comment(by foom@…):

 This bug used to affect me. However, I've since upgraded my computer, and
 it's never happened since. I replaced the entire machine (motherboard,
 CPU, etc), and also am running a new kernel (2.6.32.11), with the new
 firewire stack (firewire_core module instead of ieee1394 module).

 I'm still running MythTV 0.22, though, and still have the exact same
 FireWire set-top-box (DCH3200).

 So, I suspect that the fundamental problem is/was either a driver bug or
 hardware bug, and not actually a bug in myth. It's of course possible that
 this changeset does completely reliably work-around the issue in whatever
 component was broken, but it seems like it might still be fragile, given
 that the fix is apparently just to retry every 20ms, 20 times or until it
 works.

 I'm now using this firewire chipset, which is integrated into a GA-
 MA785GM-US2H motherboard:
 {{{
 03:0e.0 FireWire (IEEE 1394): Texas Instruments TSB43AB23 IEEE-1394a-2000
 Controller (PHY/Link)
 }}}

 I don't have the name of the old chipset which wasn't reliable easily
 available, but it was an integrated firewire controller on a VIA KM266
 motherboard.

 Hope that info helps someone...and good luck to everyone still having the
 problem. :)

-- 
Ticket URL: <http://svn.mythtv.org/trac/ticket/5278#comment:50>
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