[mythtv-users] HDHR losses network connectivity (was LiveTV issues (root caused to cable signals))

[Monkey Pet]

Silicondust posted this on their forum:

If anyone else runs across this, please open a ticket so we can track it.
We're looking for patterns to see what changed between versions to cause
it, so if you can include your basic hardware configuration, what distro
you're using, the model of your network card, and the output of uname -a,
we would appreciate that.

http://www.silicondust.com/forum/viewtopic.php?p=77074#77074

On Fri, Sep 7, 2012 at 11:52 AM, MonkeyPet <monkeypet at gmail.com> wrote:

> On Fri, Sep 7, 2012 at 11:41 AM, Eric Smith <erictsmith at gmail.com> wrote:
>
>> On Tue, Sep 4, 2012 at 9:45 PM, Monkey Pet <monkeypet at gmail.com> wrote:
>> > After debugging my HDHR Prime recording instabilities, I finally found
>> the
>> > bug behind all my hdhomerun prime woes. I am hoping this post will help
>> the
>> > others.  The symptom is bad recordings with the error describe in this
>> > thread, jumpy recordings, glitchy recordings, LiveTV definately doesn't
>> work
>> > at all.
>> >
>> > It is http://code.mythtv.org/trac/ticket/10414#comment:25 and looks
>> like the
>> > HDHR network gets into some weird state and loses network connectivity.
>>  The
>> > workaround is to continuously ping the HDHR.  With the pinging the HDHR
>> > recordings complete fine as reported in the bug.  The thought is that
>> this
>> > is a HDHomeRun Prime issue.  I am running Fedora 17 with mythtv 0.26
>> (Master
>> > Head).  However, ubuntu 12.04 folks reported it as well.  This happens
>> with
>> > a switch in between the HDHR and/or directly connect to the NIC on the
>> > backend server.
>> >
>> > [fa at mythtv ~]$ uname -a
>> > Linux mythtv 3.5.2-3.fc17.i686 #1 SMP Tue Aug 21 19:48:20 UTC 2012 i686
>> i686
>> > i386 GNU/Linux
>> >
>> > [@mythtv libhdhomerun]$ ./hdhomerun_config 1313E021 get /sys/version
>> > 20120405
>> > [@mythtv libhdhomerun]$ ./hdhomerun_config 1313E021 get /sys/features
>> > channelmap: us-cable us-hrc us-irc kr-cable
>> > modulation: qam256 qam64 oob1544 oob2048 oob3088
>> > auto-modulation: auto auto6c qam
>> > [@mythtv libhdhomerun]$ ./hdhomerun_config 1313E021 get /sys/hwmodel
>> > HDHR3-CC
>> > [@mythtv libhdhomerun]$ ./hdhomerun_config 1313E021 get /sys/model
>> > hdhomerun3_cablecard
>>
>> Just wanted to say thanks.  I've been chasing this issue since I
>> upgraded to f17 a couple months ago and haven't had any luck.  I
>>
>
> I tried to get the word out about this bug because I suspect that many
> people would blame mythtv for the bug.  However, since I started pinging
> the HDHR over the last week, I haven't lost a recording yet and LiveTV
> works again!
>
>
>> posted about it a while ago "Missing chunks of recordings" but didn't
>> have enough data to do any real troubleshooting.  I'm watching your
>> silicondust ticket for a resolution but am hoping the ping trick makes
>> things stable for the time being.
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>>
>
>
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