Mailing List Archive

Mythbackend crashes frequently after upgrade to Fedora 28
My penchant for early upgrading had bitten me in a tender place.

I was running mythtv-29.0-9.20180111.77.g771115f47d.fc27.x86_64 on
Fedora 27 without a hitch. I upgraded to Fedora 28, which meant using
mythtv-29.1-15.20180228.8.g925ceea0fb.fc28.x86_64.

And now mythbackend frequently crashes just as it starts recording a
program. Here are typical last lines in the relevant mythbackend log.

2018-05-13 07:59:00.150007 I [15847/15871] Scheduler
scheduler.cpp:2924 (HandleRecordingStatusChange) - Tuning recording:
"FOX News Sunday With Chris Wallace": channel 7261 on cardid [78],
sourceid 7
2018-05-13 07:59:00.205001 C [15847/15847] CoreContext
programinfo.cpp:340 (ProgramInfo) - ProgramInfo(): Failed to find
recorded entry for 0.
2018-05-13 07:59:00.683680 C [15847/15847] CoreContext
signalhandling.cpp:305 (handleSignal) - Received Aborted: Code -6, PID
15847, UID 981, Value 0x00000000
2018-05-13 07:59:00.783943 I [15847/15847] CoreContext
scheduler.cpp:735 (UpdateRecStatus) - Updating status for "FOX News
Sunday With Chris Wallace" on cardid [78] (Tuning => Recording)
2018-05-13 07:59:01.110740 E [15847/16589] ProcessRequest
programinfo.cpp:2608 (GetPlaybackURL) -
ProgramInfo(7261_20180513125900.ts): GetPlaybackURL:
'7261_20180513125900.ts' should be local, but it can not be found.
2018-05-13 07:59:01.115068 E [15847/16589] ProcessRequest
programinfo.cpp:2608 (GetPlaybackURL) -
ProgramInfo(7261_20180513125900.ts): GetPlaybackURL:
'7261_20180513125900.ts' should be local, but it can not be found.

Has anyone else had this problem? What are the first steps for
troubleshooting? It DOES record OK sometimes, so it doesn't seem to
be a tuner issue.

Calvin Dodge
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Re: Mythbackend crashes frequently after upgrade to Fedora 28 [ In reply to ]
On 13/05/18 15:21, Calvin Dodge wrote:
> My penchant for early upgrading had bitten me in a tender place.
>
> I was running mythtv-29.0-9.20180111.77.g771115f47d.fc27.x86_64 on
> Fedora 27 without a hitch. I upgraded to Fedora 28, which meant using
> mythtv-29.1-15.20180228.8.g925ceea0fb.fc28.x86_64.
>
> And now mythbackend frequently crashes just as it starts recording a
> program. Here are typical last lines in the relevant mythbackend log.
>
> 2018-05-13 07:59:00.150007 I [15847/15871] Scheduler
> scheduler.cpp:2924 (HandleRecordingStatusChange) - Tuning recording:
> "FOX News Sunday With Chris Wallace": channel 7261 on cardid [78],
> sourceid 7
> 2018-05-13 07:59:00.205001 C [15847/15847] CoreContext
> programinfo.cpp:340 (ProgramInfo) - ProgramInfo(): Failed to find
> recorded entry for 0.
> 2018-05-13 07:59:00.683680 C [15847/15847] CoreContext
> signalhandling.cpp:305 (handleSignal) - Received Aborted: Code -6, PID
> 15847, UID 981, Value 0x00000000
> 2018-05-13 07:59:00.783943 I [15847/15847] CoreContext
> scheduler.cpp:735 (UpdateRecStatus) - Updating status for "FOX News
> Sunday With Chris Wallace" on cardid [78] (Tuning => Recording)
> 2018-05-13 07:59:01.110740 E [15847/16589] ProcessRequest
> programinfo.cpp:2608 (GetPlaybackURL) -
> ProgramInfo(7261_20180513125900.ts): GetPlaybackURL:
> '7261_20180513125900.ts' should be local, but it can not be found.
> 2018-05-13 07:59:01.115068 E [15847/16589] ProcessRequest
> programinfo.cpp:2608 (GetPlaybackURL) -
> ProgramInfo(7261_20180513125900.ts): GetPlaybackURL:
> '7261_20180513125900.ts' should be local, but it can not be found.
>
> Has anyone else had this problem? What are the first steps for
> troubleshooting? It DOES record OK sometimes, so it doesn't seem to
> be a tuner issue.
>
> Calvin Dodge

There is a recognised problem with MythTV and F28. Commits have been
made and, IIRC, reverted. I see a new build of myth has just gone into
the rpmfusion repos but I suspect that this problem, if that is what you
are seeing, is not yet fixed.

https://code.mythtv.org/trac/ticket/13263 and #12364


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