[mythtv-users] HDPVR Causing Backend to Hard Freeze

[Greg]

On 05/24/2010 09:47 AM, Jason Sharpe wrote:
>
>     Date: Sun, 23 May 2010 23:43:35 -0500
>     From: <mythtv.list at gmail.com <mailto:mythtv.list at gmail.com>>
>     Subject: [mythtv-users] HDPVR Causing Backend to Hard Freeze
>     To: mythtv-users at mythtv.org <mailto:mythtv-users at mythtv.org>
>     Message-ID:
>     <AANLkTik9Zpyq8ZGeHXcEEKNrF8ZOXOqSYFqqVJguPivq at mail.gmail.com
>     <mailto:AANLkTik9Zpyq8ZGeHXcEEKNrF8ZOXOqSYFqqVJguPivq at mail.gmail.com>>
>     Content-Type: text/plain; charset="iso-8859-1"
>
>     Hello,
>
>     I have been fighting this issue for a days now and I wanted to
>     throw this
>     out there to see if anyone else has seen/heard of anything like
>     this. I can
>     recreate the issue over and over but I am not sure what is causing it.
>
>     When one recording is ending on a tuner and another is beginning
>     on my HDPVR
>     my whole backend hard freezes requiring a push of the reset button
>     for the
>     PC to come back up.
>
>     In Other Words:
>     Tuner 1: HD Homerun Records from 09:00 - 10:00
>     Tuner 2: HDPVR Has a show starting at 10:00
>
>     At 09:59 when the backend should start recording from the HDPVR
>     the backend
>     hard freezes.
>
>     Using that example above, if the HDPVR starts to record at 09:30
>     everything
>     is fine. It is only when 1 show is ending and another is beginning
>     on the
>     HDPVR.
>
>     I can record from each tuner just fine for multiple shows back to
>     back on
>     the same tuner without issue, so the tuners work.
>
>     Here is the strange thing, the other way around, there is no freezing.
>
>     Meaning:
>     Tuner 1: HDPVR Records from 09:00 - 10:00
>     Tuner 2: HD Homerun Has a show starting at 10:00
>
>     In that senerio, everything works just fine.
>
>     I have elimitated the HD Homerun as the source of the problem by
>     trying a
>     pcHDTV HD-3000 instead, still freezes.
>
>     Details:
>     HD Homerun using Tuner 0 (Over the Air ATSC)
>     HDPVR and a Dishnetwork ViP 211k receiver (Component and SPDIF)
>
>     Note: IR blasting is done via a homebrew serial blaster, I am
>     _not_ using
>     the HDPVR for blasting.
>
>     Both the HD Homerun and the HDPVR are running the latest firmware.
>     I was
>     going to downgrade the firmware in the HDPVR, but I read that the
>     previous
>     version had its own problems.
>
>     I am running Mythdora 12.23, mythbackend version: tags/release-0-23
>     [0.23-1.md12 (r24509).
>
>     The backend log isn't much help, since when it freezes it can't
>     write to it,
>     heh (HW Tuner 44 is the HDPVR)
>
>     2010-05-23 21:58:00.784 Reschedule requested for id 0.
>     2010-05-23 21:58:01.977 Scheduled 781 items in 1.2 = 0.01 match +
>     1.17 place
>     2010-05-23 21:58:01.991 scheduler: Scheduled items: Scheduled 781
>     items in
>     1.2 = 0.01 match + 1.17 place
>     2010-05-23 21:58:29.861 TVRec(44): ASK_RECORDING 44 29 0 0
>     2010-05-23 21:59:01.227 ProgramInfo(): Updated pathname '':'' ->
>     '5389_20100523215900.mpg'
>     2010-05-23 21:59:01.346 TVRec(44): Changing from None to RecordingOnly
>     2010-05-23 21:59:01.358 TVRec(44): HW Tuner: 44->44
>     2010-05-23 21:59:02.471 ret_pid(0) child(11739) status(0x0)
>     2010-05-23 21:59:03.484 ret_pid(0) child(11739) status(0x0)
>     2010-05-23 21:59:04.501 ret_pid(0) child(11739) status(0x0)
>     2010-05-23 21:59:05.519 ret_pid(0) child(11739) status(0x0)
>     2010-05-23 21:59:06.536 ret_pid(0) child(11739) status(0x0)
>
>     The next line of the log is the backend starting after I had to
>     push the
>     reset button.
>
>     I am at my wits end, any ideas?
>
>     Thanks in advance for any help.
>
>
>
> So I spent some more time working on the issue this morning.
>
> I downgraded the firmware of the HDPVR, no change, still hangs as 
> described.
>
> I reloaded the newest firmware of the HDPVR into it and changed the 
> USB port it was plugged into making sure it was on a different bus, no 
> change, still hangs as described.
>
>
>
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>    
Most people with this problem add a sleep to their channel changing 
script...Search this list for hdpvr channel script... I would guess that 
is your problem also..
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