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TopherC n00b
Joined: 29 Oct 2003 Posts: 47 Location: Cornell University
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Posted: Thu Nov 20, 2014 5:26 am Post subject: Mythtv backend as UPnP server [SOLVED] |
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I have not been able to detect my mythtv backend as a UPnP server since the 0.27.4 update. I found this was because a patch went in (see this ticket) that performs some kind of check on the source address using the local routing tables at the time the backend starts. My mythbackend UPnP discovery packets were being ignored by mythbackend, presumably because it did not detect the correct multicast routing on startup.
For me the problem is solved, temporarily, by restarting mythbackend. Is there a way I can start mythbackend, on boot, late enough to pick up on the correct routing rules? I read that the necessary condition is something like:
Code: | $ ip route get 239.255.255.250
multicast 239.255.255.250 dev eth0 src 192.168.1.10 |
(In my case, eth0 is my LAN nic with address 192.168.1.10.)
I see "need net" in the depend() section of /etc/init.d/mythbackend. Is there a more specific dependency that I need to add?
Thanks,
Topher
Last edited by TopherC on Thu Dec 11, 2014 8:51 pm; edited 1 time in total |
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TopherC n00b
Joined: 29 Oct 2003 Posts: 47 Location: Cornell University
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Posted: Thu Dec 11, 2014 8:51 pm Post subject: fixed, understood correctly |
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Well I finally took some more time to understand this issue carefully. My initial diagnosis was wrong -- it had nothing to do with my network configuration, and mythbackend was starting up at the correct time.
The problem ended up being a mythtv bug that was possibly triggered by other equipment on my network. Thanks to Gentoo's ebuild system, it was easy to edit and rebuild the code until the problem was solved.
I submitted a ticket to mythtv, and it looks like an appropriate patch was just committed on the master and fixes/0.27 branches, so future builds ought to have this resolved. |
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