No subject
Thu Sep 20 15:16:44 UTC 2007
ivtv all encoder mpeg stream buffers are full. Dropping data
messages in dmesg. Very minor frame dropping which I can put up with.
On 10/19/07, Jonathan Rogers <jonner at teegra.net> wrote:
>
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> Nedim Cholich wrote:
> > I can't tell if you're compiling your own kernel. If you are, don't do
> it.
> > Open the box, pull out all the cards and memory and put them back,
> making
> > sure all the cards are sitting nicely in their slots. Then install 32
> bit
> > version of Ubuntu (64 bit is not really worth it, been there done that),
> and
> > don't do any customizations until you system stabilizes. Out of the box
> > Ubuntu 7.04 works with ivtv and mythtv great.
>
> OTOH, I've been using MythTV on an all 64-bit systems (both Gentoo and
> Ubuntu) from day one more than two years ago with no major stability
> problems except due to unsafe AGP settings (which is now fixed). I have
> 1 PVR-150 and 2 Air2PC cards and I can record from all three while
> commflagging and watching. The machine has usually been up for weeks or
> months at a time, though I'm probably going to configure it to shut down
> when not in use.
>
> The advice about selectively removing hardware is good. Flaky hardware
> can be almost impossible to diagnose. Also make sure that everything is
> getting sufficient cooling. Overheating CPUs can cause intermittent
> errors. I've also been surprised at how hot my tuner cards can get, even
> though I have two intake and one exhaust fan.
>
> Jonathan Rogers
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I have found out that certain mixes of kernel and ivtv drivers work well together. I have stuck with 2.6.18-1.2239 (fedora core 5) and ivtv 0.8.2-123 because of this. No spontaneous reboots ever with this system which runs 24/7 for months on end. I practically forget that I am watching LiveTV instead of regular tv. It happily supports 1 PVR500 and 2 PVR250's. Just for fun and also because supposedly it is the stable release and sheer curiosity, I compiled a
0.10.5 ivtv kmdl rpm and when I installed it, the system rebooted after a few minutes of recording or watching live tv, each time. So back to 0.8.2-123. It might not be the kernel, so I am glad I found an srpm of ivtv
0.8.2-123 from some old atrpms mirror, in case I need to upgrade the kernel. <br><br>From time to time though, I get <br>ivtv all encoder mpeg stream buffers are full. Dropping data<br><br>messages in dmesg. Very minor frame dropping which I can put up with.
<br><br><br><br><div><span class="gmail_quote">On 10/19/07, <b class="gmail_sendername">Jonathan Rogers</b> <<a href="mailto:jonner at teegra.net">jonner at teegra.net</a>> wrote:</span><blockquote class="gmail_quote" style="border-left: 1px solid rgb(204, 204, 204); margin: 0pt 0pt 0pt 0.8ex; padding-left: 1ex;">
-----BEGIN PGP SIGNED MESSAGE-----<br>Hash: SHA1<br><br>Nedim Cholich wrote:<br>> I can't tell if you're compiling your own kernel. If you are, don't do it.<br>> Open the box, pull out all the cards and memory and put them back, making
<br>> sure all the cards are sitting nicely in their slots. Then install 32 bit<br>> version of Ubuntu (64 bit is not really worth it, been there done that), and<br>> don't do any customizations until you system stabilizes. Out of the box
<br>> Ubuntu 7.04 works with ivtv and mythtv great.<br><br>OTOH, I've been using MythTV on an all 64-bit systems (both Gentoo and<br>Ubuntu) from day one more than two years ago with no major stability<br>problems except due to unsafe AGP settings (which is now fixed). I have
<br>1 PVR-150 and 2 Air2PC cards and I can record from all three while<br>commflagging and watching. The machine has usually been up for weeks or<br>months at a time, though I'm probably going to configure it to shut down
<br>when not in use.<br><br>The advice about selectively removing hardware is good. Flaky hardware<br>can be almost impossible to diagnose. Also make sure that everything is<br>getting sufficient cooling. Overheating CPUs can cause intermittent
<br>errors. I've also been surprised at how hot my tuner cards can get, even<br>though I have two intake and one exhaust fan.<br><br>Jonathan Rogers<br>-----BEGIN PGP SIGNATURE-----<br>Version: GnuPG v1.4.6 (GNU/Linux)
<br>Comment: Using GnuPG with Mozilla - <a href="http://enigmail.mozdev.org">http://enigmail.mozdev.org</a><br><br>iD8DBQFHGQCAMs6f82yVS5wRAtW8AJ0Xnc1joYOcbcRTjAAdouyvLtL9IACdE9Gi<br>cwMSxjSNUzccyUKpNT2rrc8=<br>=oJDe<br>-----END PGP SIGNATURE-----
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