[mythtv-users] HD-PVR problem

[James Orr]

On Wed, Jul 14, 2010 at 7:12 PM, James Orr <james.orr7 at gmail.com> wrote:

>
> On Wed, Jul 14, 2010 at 6:00 PM, James Orr <james.orr7 at gmail.com> wrote:
>
>>
>> On Wed, Jul 14, 2010 at 3:06 PM, James Orr <james.orr7 at gmail.com> wrote:
>>
>>>
>>> Getting worse ... now a power cycle does not fix it.  In fact now it's
>>> crashing the backend.
>>>
>>> 2010-07-14 14:54:46.157 ProgramInfo(): Updated pathname '':'' ->
>>> '1195_20100714145445.mpg'
>>> 2010-07-14 14:54:46.179 ProgramInfo(): Updated pathname '':'' ->
>>> '1195_20100714145445.mpg'
>>> 2010-07-14 14:54:52.080 DevRdB(/dev/video0) Error: Poll giving up
>>> 2010-07-14 14:54:52.085 MPEGRec(/dev/video0) Error: Device error detected
>>> 2010-07-14 14:54:52.086 DevRdB(/dev/video0): Stop(): Not running.
>>> 2010-07-14 14:54:52.670 RingBuf(/mnt/be1hd1/1195_20100714145445.mpg):
>>> Invalid file (fd -1) when opening '/mnt/be1hd1/1195_20100714145445.mpg'.
>>> 2010-07-14 14:54:52.719 ProgramInfo(): Updated pathname '':'' ->
>>> '1195_20100714145445.mpg'
>>> 2010-07-14 14:54:52.790 ProgramInfo(): Updated pathname '':'' ->
>>> '1195_20100714145445.mpg'
>>> 2010-07-14 14:54:52.815 RingBuf(/mnt/be1hd1/1195_20100714145445.mpg)
>>> Error: Invalid file descriptor in 'safe_read()'
>>> 2010-07-14 14:54:53.006 RingBuf(/mnt/be1hd1/1195_20100714145445.mpg)
>>> Error: Invalid file descriptor in 'safe_read()'
>>> 2010-07-14 14:54:53.206 RingBuf(/mnt/be1hd1/1195_20100714145445.mpg)
>>> Error: Invalid file descriptor in 'safe_read()'
>>> 2010-07-14 14:54:53.406 RingBuf(/mnt/be1hd1/1195_20100714145445.mpg)
>>> Error: Invalid file descriptor in 'safe_read()'
>>>
>>> That's repeated a lot until ...
>>>
>>> 2010-07-14 14:55:09.130 ProgramInfo(): Updated pathname '':'' ->
>>> '1195_20100714145445.mpg'
>>> 2010-07-14 14:55:09.131 TVRec(25): Changing from WatchingLiveTV to None
>>> 2010-07-14 14:55:09.134 ProgramInfo(1195_20100714145445.mpg), Error:
>>> Unknown type, recording width was 0
>>> *** glibc detected *** /usr/bin/mythbackend: malloc(): memory corruption:
>>> 0x08459881 ***
>>> ======= Backtrace: =========
>>> /lib/libc.so.6[0xb468bfd4]
>>> /lib/libc.so.6[0xb468e555]
>>> /lib/libc.so.6(__libc_malloc+0x96)[0xb4690136]
>>> /usr/lib/qt4/libQtCore.so.4(_Z7qMallocj+0x1d)[0xb49e23bd]
>>> /usr/lib/qt4/libQtCore.so.4(_ZN10QByteArrayC1Eic+0x36)[0xb49ea426]
>>> /usr/lib/qt4/libQtCore.so.4(_Z15qt_error_stringi+0x59)[0xb49dfd09]
>>> /usr/lib/qt4/libQtCore.so.4[0xb49e6ecf]
>>> /usr/lib/qt4/libQtCore.so.4[0xb49e704b]
>>> /usr/lib/qt4/libQtCore.so.4(_ZN6QMutex4lockEv+0xf5)[0xb49e2855]
>>>
>>> /usr/lib/libmythtv-0.23.so.0(_ZN16DeviceReadBuffer15fill_ringbufferEv+0x2c)[0xb74e7fbc]
>>> /lib/libc.so.6(clone+0x5e)[0xb46ee9de]
>>> ======= Memory map: ========
>>> 08048000-081aa000 r-xp 00000000 03:03 4014102    /usr/bin/mythbackend
>>> 081aa000-081ab000 r--p 00161000 03:03 4014102    /usr/bin/mythbackend
>>>
>>>
>>> Help!
>>>
>>> After I turn the HD-PVR off then on again I am able to successfully cat
>> /dev/video0 > tmp.mpg.
>>
>> The HD-PVR lights up, I get a recording.
>>
>> When I try to watch live TV through myth I get the above errors (except it
>> seems to have stopped crashing since I rebooted, but still get the first
>> part), the HD PVR doesn't light up, 0 byte recording.  If I then try to cat
>> into a file again the HD PVR does not light up and I get a 0 byte file.
>>
>> After turning it off/on again I can cat to a file as much as I want, but
>> as soon as myth tries it all blows up.
>>
>> Will upgrading to the newer firmware help? I'm on 0x12.
>>
>> My mythtv install is from the gentoo ebuild 0.23 p25073.  This is the most
>> recent available through portage.
>>
>
> I pulled out one of my memory sticks and it seems to be working OK for
> now.
>

Nope, I spoke too soon.  It came up once, but not again.  Very frustrating.
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