[mythtv-commits] Ticket #12773: backend segfault LiveTV HTTPTS

[MythTV]

#12773: backend segfault LiveTV HTTPTS
--------------------------------+-------------------------
 Reporter:  charles.bovy@…      |          Owner:
     Type:  Bug Report - Crash  |         Status:  new
 Priority:  minor               |      Milestone:  unknown
Component:  MythTV - General    |        Version:
 Severity:  medium              |     Resolution:
 Keywords:                      |  Ticket locked:  0
--------------------------------+-------------------------

Old description:

> The backend segfaults while starting LiveTV on a HTTPTS channel
> occasionally (not always).
>
> I'm using 2:0.28.0+fixes.20160512.370dd71-0ubuntu0mythbuntu2
>
> I've been using fixes/0.27 before, where I haven't seen it happen.
>
> Part of backend log:
>
> May 14 21:01:18 biohazard mythbackend: mythbackend[12725]: I TVRecEvent
> tv_rec.cpp:1073 (HandleStateChange) TVRec[29]: Changing from None to
> WatchingLiveTV
> May 14 21:01:18 biohazard mythbackend: mythbackend[12725]: I TVRecEvent
> tv_rec.cpp:3685 (TuningFrequency) TVRec[29]: TuningFrequency
> May 14 21:01:18 biohazard mythbackend: mythbackend[12725]: I TVRecEvent
> recorders/httptsstreamhandler.cpp:93 (HTTPTSStreamHandler)
> HTTPTSSH(http://localhost:5555/iptv/224.0.251.124/8248): ctor
> May 14 21:01:18 biohazard mythbackend: mythbackend[12725]: C CoreContext
> signalhandling.cpp:305 (handleSignal) Received Segmentation fault: Code
> 1, PID 96, UID 0, Value 0x7f3b28000020
> May 14 21:01:18 biohazard mythbackend: mythbackend[12725]: I TVRecEvent
> mythsingledownload.cpp:119 (Progress) MythSingleDownload: Reached
> specified max file size (10000 bytes)
> May 14 21:01:18 biohazard mythbackend: mythbackend[12725]: I TVRecEvent
> mythsingledownload.cpp:110 (Cancel) MythSingleDownload: Aborting download
> May 14 21:01:18 biohazard mythbackend: mythbackend[12725]: I TVRecEvent
> channelutil.cpp:1976 (GetIPTVTuningData) Loaded
> [data]http://localhost:5555/iptv/224.0.251.124/8248[fectype][fec0][fec1]
> for 11001
> May 14 21:01:18 biohazard mythbackend: mythbackend[12725]: N CoreContext
> autoexpire.cpp:264 (CalcParams) AutoExpire: CalcParams(): Max required
> Free Space: 3.0 GB w/freq: 14 min
> May 14 21:01:18 biohazard mythbackend: mythbackend[12725]: N TVRecEvent
> recordinginfo.cpp:687 (ApplyRecordRecGroupChange)
> ApplyRecordRecGroupChange: LiveTV to LiveTV (2)
>

> Stacktrace attached.

New description:

 The backend segfaults while starting LiveTV on a HTTPTS channel
 occasionally (not always).

 I'm using 2:0.28.0+fixes.20160512.370dd71-0ubuntu0mythbuntu2

 I've been using fixes/0.27 before, where I haven't seen it happen.

 Part of backend log:
 {{{
 May 14 21:01:18 biohazard mythbackend: mythbackend[12725]: I TVRecEvent
 tv_rec.cpp:1073 (HandleStateChange) TVRec[29]: Changing from None to
 WatchingLiveTV
 May 14 21:01:18 biohazard mythbackend: mythbackend[12725]: I TVRecEvent
 tv_rec.cpp:3685 (TuningFrequency) TVRec[29]: TuningFrequency
 May 14 21:01:18 biohazard mythbackend: mythbackend[12725]: I TVRecEvent
 recorders/httptsstreamhandler.cpp:93 (HTTPTSStreamHandler)
 HTTPTSSH(http://localhost:5555/iptv/224.0.251.124/8248): ctor
 May 14 21:01:18 biohazard mythbackend: mythbackend[12725]: C CoreContext
 signalhandling.cpp:305 (handleSignal) Received Segmentation fault: Code 1,
 PID 96, UID 0, Value 0x7f3b28000020
 May 14 21:01:18 biohazard mythbackend: mythbackend[12725]: I TVRecEvent
 mythsingledownload.cpp:119 (Progress) MythSingleDownload: Reached
 specified max file size (10000 bytes)
 May 14 21:01:18 biohazard mythbackend: mythbackend[12725]: I TVRecEvent
 mythsingledownload.cpp:110 (Cancel) MythSingleDownload: Aborting download
 May 14 21:01:18 biohazard mythbackend: mythbackend[12725]: I TVRecEvent
 channelutil.cpp:1976 (GetIPTVTuningData) Loaded
 [data]http://localhost:5555/iptv/224.0.251.124/8248[fectype][fec0][fec1]
 for 11001
 May 14 21:01:18 biohazard mythbackend: mythbackend[12725]: N CoreContext
 autoexpire.cpp:264 (CalcParams) AutoExpire: CalcParams(): Max required
 Free Space: 3.0 GB w/freq: 14 min
 May 14 21:01:18 biohazard mythbackend: mythbackend[12725]: N TVRecEvent
 recordinginfo.cpp:687 (ApplyRecordRecGroupChange)
 ApplyRecordRecGroupChange: LiveTV to LiveTV (2)
 }}}

 Stacktrace attached.

--

Comment (by dekarl):

 added wiki formatting

--
Ticket URL: <https://code.mythtv.org/trac/ticket/12773#comment:1>
MythTV <http://www.mythtv.org>
MythTV Media Center