noreply at mythtv
Sep 3, 2012, 12:44 AM
Post #3 of 5
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Re: Ticket #11064: LiveTV with HDHR Prime crashes mythfrontend
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#11064: LiveTV with HDHR Prime crashes mythfrontend
--------------------------------------+-----------------------------
Reporter: Monkey Pet <monkeypet@…> | Owner:
Type: Bug Report - Crash | Status: new
Priority: minor | Milestone: unknown
Component: MythTV - General | Version: Master Head
Severity: low | Resolution:
Keywords: | Ticket locked: 0
--------------------------------------+-----------------------------
Changes (by kenni):
* priority: critical => minor
* severity: high => low
* milestone: 0.26 => unknown
Old description:
> Watching LiveTV with HDHR Prime is consistently crashing mythfrontend.
> The dialog i get refers to max buffering exceeded. I can't exit from it
> and sometimes it just crashes there.
>
> With 0.25 and 0.26 (Master Head), I tried a few more experiments:
> 1. LiveTV - Remote frontend, Tune to a TV Channel within a few mins, it
> aborts almost immediately with "max buffering exceeded". Frontend will
> crash and needs to be restarted.
> 2. Recording - Now schedule the same channel, same show and start the
> recording. No remote frontend are viewing the stream. Recording proceeds
> with no problems.
> 3. Recording/then streaming to remote frontend - This works also. I tell
> myth to record the show, then watch the recording immediately after
> starting. I am guessing I have to use this as the workaround until the
> LiveTV streaming is more robust. It sucks that I can't channel surf
> anymore, but now I can watch almostLiveTV again.
>
> I am really doubting that this is a signal issue. If it was a signal
> issue, #2 would behavior exactly like #1 and would be aborted also. Also
> a majority of my recordings are finishing without any issues. However,
> LiveTV would consistently fail and most of the time fail immediately
> within the first 5 mins. Also #3 works, so it can't be a signal issue.
>
> I will attach the full logs next.
>
> (gdb) bt
> #0 0xb77a9424 in __kernel_vsyscall ()
> #1 0xb51f91ef in __GI_raise (sig=6) at
> ../nptl/sysdeps/unix/sysv/linux/raise.c:64
> #2 0xb51fc835 in __GI_abort () at abort.c:91
> #3 0xb52342fa in __libc_message (do_abort=2, fmt=0xb532c3bc "*** glibc
> detected *** %s: %s: 0x%s ***\n")
> at ../sysdeps/unix/sysv/linux/libc_fatal.c:201
> #4 0xb523ee42 in malloc_printerr (action=<optimized out>, str=<optimized
> out>, ptr=0x95626f8) at malloc.c:5007
> #5 0xb5240fbf in _int_malloc (av=0xb536c440, bytes=40) at malloc.c:3470
> #6 0xb5242d3c in __GI___libc_malloc (bytes=40) at malloc.c:2924
> #7 0xb54d313b in qMalloc(unsigned int) () from /usr/lib/i386-linux-
> gnu/libQtCore.so.4
> #8 0xb552ebef in QString::realloc(int) () from /usr/lib/i386-linux-
> gnu/libQtCore.so.4
> #9 0xb552f23d in QString::append(QString const&) () from /usr/lib/i386
> -linux-gnu/libQtCore.so.4
> #10 0xb5534bfe in QString::section(QString const&, int, int,
> QFlags<QString::SectionFlag>) const ()
> from /usr/lib/i386-linux-gnu/libQtCore.so.4
> #11 0xb6cda1d1 in section (aflags=..., aend=<optimized out>,
> astart=<optimized out>, asep=..., this=<optimized out>)
> at /usr/include/qt4/QtCore/qstring.h:782
> #12 SSDP::ProcessData (this=0x90bb330, pSocket=0x90b2bd8) at ssdp.cpp:356
> #13 0xb6cdadad in SSDP::run (this=0x90bb330) at ssdp.cpp:301
> #14 0xb6b09932 in MThreadInternal::run (this=0x91224e0) at mthread.cpp:79
> #15 0xb54dade0 in ?? () from /usr/lib/i386-linux-gnu/libQtCore.so.4
> #16 0xb3a32d4c in start_thread (arg=0xa8fe3b40) at pthread_create.c:308
> #17 0xb52b5ace in clone () at ../sysdeps/unix/sysv/linux/i386/clone.S:130
>
>
> Backend log:
>
> 2012-09-02 17:16:20.798928 I [6287/28999] ProcessRequest
> ringbuffer.cpp:1098 (WaitForAvail) - RingBuf(/export/data/myth
> tv/4766_20120903001527.mpg): Waited 0.5 seconds for data
> to become available... 225236 < 327680
> 2012-09-02 17:16:21.299115 I [6287/28999] ProcessRequest
> ringbuffer.cpp:1098 (WaitForAvail) -
> RingBuf(/export/data/mythtv/4766_20120903001527.mpg): Waited 1.0 seconds
> for data
> to become available... 225236 < 3276802012-09-02
> 17:16:22.299456 I [6287/28999] ProcessRequest ringbuffer.cpp:1098
> (WaitForAvail) - RingBuf(/export/data/myth
> tv/4766_20120903001527.mpg): Waited 2.0 seconds for data
> to become available... 225236 < 327680
> 2012-09-02 17:16:27.569263 I [6287/6351] HouseKeeping housekeeper.cpp:221
> (RunHouseKeeping) - Running housekeeping thread
> 2012-09-02 17:17:04.086174 I [6287/6340] TVRecEvent tv_rec.cpp:1043
> (HandleStateChange) - TVRec(5): Changing from WatchingLiveTV to None
> 2012-09-02 17:17:04.105938 E [6287/29068] HDHRStreamHandler
> hdhrstreamhandler.cpp:211 (UpdateFilters) - HDHRSH(1313E021-0):
> UpdateFilters called in wrong tune mode
> 2012-09-02 17:17:05.079236 I [6287/6340] TVRecEvent tv_rec.cpp:830
> (FinishedRecording) - TVRec(5):
> FinishedRecording(4766_2012-09-03T00:15:27Z) damaged
> recq:<RecordingQuality overall_score="0" key="4766_2012-09-03T00:15:27Z"
> countinuity_e
> rror_count="0" packet_count="365988"> <Gap
> start="2012-09-03T00:00:00Z" end="2012-09-03T00:15:27Z" duration="927" />
> <Gap start="2012-09-03T00:16:14Z" end="2012-09-03T01:00:00Z"
> duration="2625" /></RecordingQuality>
>
> Frontend log:
>
> Sep 2 17:16:53 mythlogserver: last message repeated 10 timesSep 2
> 17:16:53 fa-Macmini mythlogserver: mythfrontend[2949]: N CoreContext myth
> player.cpp:2095 (PrebufferEnoughFrames) Player(0): Waited 19896ms for
> video buffers AAAAAUUUAAUUAAULAuAUUAUAAUAAAAAP
> Sep 2 17:16:53 fa-Macmini mythlogserver: mythfrontend[2949]: E Decoder
> avformatdecoder.cpp:4493 (GetFrame) decoding error#012#011#011#011eno:
> Unknown error 541478725 (541478725)
> Sep 2 17:16:53 mythlogserver: last message repeated 11 timesSep 2
> 17:16:53 fa-Macmini mythlogserver: mythfrontend[2949]: N CoreContext myth
> player.cpp:2095 (PrebufferEnoughFrames) Player(0): Waited 20012ms for
> video buffers AAAAAUUUAAUUAAULAuAUUAUAAUAAAAAP
> Sep 2 17:16:53 fa-Macmini mythlogserver: mythfrontend[2949]: E
> CoreContext mythplayer.cpp:2118 (PrebufferEnoughFrames) Player(0): Waited
> too long for decoder t
> o fill video buffers. Exiting..Sep 2 17:16:53 fa-Macmini mythlogserver:
> mythfrontend[2949]: E Decoder avformatdecoder.cpp:4493 (GetFrame)
> decoding error#012#011#011#011eno: Unknown error 541
> 478725 (541478725)Sep 2 17:16:54 fa-Macmini mythlogserver:
> mythfrontend[2949]: I CoreContext tv_p
> lay.cpp:2155 (HandleStateChange) TV: Attempting to change from
> WatchingLiveTV to None
New description:
Watching LiveTV with HDHR Prime is consistently crashing mythfrontend.
The dialog i get refers to max buffering exceeded. I can't exit from it
and sometimes it just crashes there.
With 0.25 and 0.26 (Master Head), I tried a few more experiments:
1. LiveTV - Remote frontend, Tune to a TV Channel within a few mins, it
aborts almost immediately with "max buffering exceeded". Frontend will
crash and needs to be restarted.
2. Recording - Now schedule the same channel, same show and start the
recording. No remote frontend are viewing the stream. Recording proceeds
with no problems.
3. Recording/then streaming to remote frontend - This works also. I tell
myth to record the show, then watch the recording immediately after
starting. I am guessing I have to use this as the workaround until the
LiveTV streaming is more robust. It sucks that I can't channel surf
anymore, but now I can watch almostLiveTV again.
I am really doubting that this is a signal issue. If it was a signal
issue, #2 would behavior exactly like #1 and would be aborted also. Also
a majority of my recordings are finishing without any issues. However,
LiveTV would consistently fail and most of the time fail immediately
within the first 5 mins. Also #3 works, so it can't be a signal issue.
I will attach the full logs next.
{{{
(gdb) bt
#0 0xb77a9424 in __kernel_vsyscall ()
#1 0xb51f91ef in __GI_raise (sig=6) at
../nptl/sysdeps/unix/sysv/linux/raise.c:64
#2 0xb51fc835 in __GI_abort () at abort.c:91
#3 0xb52342fa in __libc_message (do_abort=2, fmt=0xb532c3bc "*** glibc
detected *** %s: %s: 0x%s ***\n")
at ../sysdeps/unix/sysv/linux/libc_fatal.c:201
#4 0xb523ee42 in malloc_printerr (action=<optimized out>, str=<optimized
out>, ptr=0x95626f8) at malloc.c:5007
#5 0xb5240fbf in _int_malloc (av=0xb536c440, bytes=40) at malloc.c:3470
#6 0xb5242d3c in __GI___libc_malloc (bytes=40) at malloc.c:2924
#7 0xb54d313b in qMalloc(unsigned int) () from /usr/lib/i386-linux-
gnu/libQtCore.so.4
#8 0xb552ebef in QString::realloc(int) () from /usr/lib/i386-linux-
gnu/libQtCore.so.4
#9 0xb552f23d in QString::append(QString const&) () from /usr/lib/i386
-linux-gnu/libQtCore.so.4
#10 0xb5534bfe in QString::section(QString const&, int, int,
QFlags<QString::SectionFlag>) const ()
from /usr/lib/i386-linux-gnu/libQtCore.so.4
#11 0xb6cda1d1 in section (aflags=..., aend=<optimized out>,
astart=<optimized out>, asep=..., this=<optimized out>)
at /usr/include/qt4/QtCore/qstring.h:782
#12 SSDP::ProcessData (this=0x90bb330, pSocket=0x90b2bd8) at ssdp.cpp:356
#13 0xb6cdadad in SSDP::run (this=0x90bb330) at ssdp.cpp:301
#14 0xb6b09932 in MThreadInternal::run (this=0x91224e0) at mthread.cpp:79
#15 0xb54dade0 in ?? () from /usr/lib/i386-linux-gnu/libQtCore.so.4
#16 0xb3a32d4c in start_thread (arg=0xa8fe3b40) at pthread_create.c:308
#17 0xb52b5ace in clone () at ../sysdeps/unix/sysv/linux/i386/clone.S:130
}}}
Backend log:
{{{
2012-09-02 17:16:20.798928 I [6287/28999] ProcessRequest
ringbuffer.cpp:1098 (WaitForAvail) - RingBuf(/export/data/myth
tv/4766_20120903001527.mpg): Waited 0.5 seconds for data
to become available... 225236 < 327680
2012-09-02 17:16:21.299115 I [6287/28999] ProcessRequest
ringbuffer.cpp:1098 (WaitForAvail) -
RingBuf(/export/data/mythtv/4766_20120903001527.mpg): Waited 1.0 seconds
for data
to become available... 225236 < 3276802012-09-02
17:16:22.299456 I [6287/28999] ProcessRequest ringbuffer.cpp:1098
(WaitForAvail) - RingBuf(/export/data/myth
tv/4766_20120903001527.mpg): Waited 2.0 seconds for data
to become available... 225236 < 327680
2012-09-02 17:16:27.569263 I [6287/6351] HouseKeeping housekeeper.cpp:221
(RunHouseKeeping) - Running housekeeping thread
2012-09-02 17:17:04.086174 I [6287/6340] TVRecEvent tv_rec.cpp:1043
(HandleStateChange) - TVRec(5): Changing from WatchingLiveTV to None
2012-09-02 17:17:04.105938 E [6287/29068] HDHRStreamHandler
hdhrstreamhandler.cpp:211 (UpdateFilters) - HDHRSH(1313E021-0):
UpdateFilters called in wrong tune mode
2012-09-02 17:17:05.079236 I [6287/6340] TVRecEvent tv_rec.cpp:830
(FinishedRecording) - TVRec(5):
FinishedRecording(4766_2012-09-03T00:15:27Z) damaged
recq:<RecordingQuality overall_score="0" key="4766_2012-09-03T00:15:27Z"
countinuity_e
rror_count="0" packet_count="365988"> <Gap start="2012-09-03T00:00:00Z"
end="2012-09-03T00:15:27Z" duration="927" />
<Gap start="2012-09-03T00:16:14Z" end="2012-09-03T01:00:00Z"
duration="2625" /></RecordingQuality>
}}}
Frontend log:
{{{
Sep 2 17:16:53 mythlogserver: last message repeated 10 timesSep 2
17:16:53 fa-Macmini mythlogserver: mythfrontend[2949]: N CoreContext myth
player.cpp:2095 (PrebufferEnoughFrames) Player(0): Waited 19896ms for
video buffers AAAAAUUUAAUUAAULAuAUUAUAAUAAAAAP
Sep 2 17:16:53 fa-Macmini mythlogserver: mythfrontend[2949]: E Decoder
avformatdecoder.cpp:4493 (GetFrame) decoding error#012#011#011#011eno:
Unknown error 541478725 (541478725)
Sep 2 17:16:53 mythlogserver: last message repeated 11 timesSep 2
17:16:53 fa-Macmini mythlogserver: mythfrontend[2949]: N CoreContext myth
player.cpp:2095 (PrebufferEnoughFrames) Player(0): Waited 20012ms for
video buffers AAAAAUUUAAUUAAULAuAUUAUAAUAAAAAP
Sep 2 17:16:53 fa-Macmini mythlogserver: mythfrontend[2949]: E
CoreContext mythplayer.cpp:2118 (PrebufferEnoughFrames) Player(0): Waited
too long for decoder t
o fill video buffers. Exiting..Sep 2 17:16:53 fa-Macmini mythlogserver:
mythfrontend[2949]: E Decoder avformatdecoder.cpp:4493 (GetFrame) decoding
error#012#011#011#011eno: Unknown error 541
478725 (541478725)Sep 2 17:16:54 fa-Macmini mythlogserver:
mythfrontend[2949]: I CoreContext tv_p
lay.cpp:2155 (HandleStateChange) TV: Attempting to change from
WatchingLiveTV to None
}}}
--
--
Ticket URL: <http://code.mythtv.org/trac/ticket/11064#comment:2>
MythTV <http://code.mythtv.org/trac>
MythTV Media Center
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