[mythtv-users] mythfilldatabase segfaulting

Fri Jan 14 16:37:16 UTC 2022

I got a backtrace last night. At dentist right now if you want to wait.
Happens after the grabber has run successfully.

On Fri, Jan 14, 2022, 10:24 John Hoyt <john.hoyt at gmail.com> wrote:

> Are you able to get a backtrace so we can narrow this down?
>>
>
> I have one now - but it's a large file (9.3mb).  Is there a suggested
> place to upload it to (possibly github with a ticket)?
>
> Here's a truncated version
>
> (gdb) handle SIG33 pass nostop noprint
> Signal        Stop Print Pass to program Description
> SIG33         No No Yes Real-time event 33
> (gdb) set pagination 0
> (gdb) run -v
> Starting program: /usr/bin/mythfilldatabase -v
> [Thread debugging using libthread_db enabled]
> Using host libthread_db library "/lib/x86_64-linux-gnu/libthread_db.so.1".
> [New Thread 0x7fffe8b1a700 (LWP 3358)]
> [New Thread 0x7fffe3fff700 (LWP 3359)]
> 2022-01-14 10:53:23.670263 C  mythfilldatabase version: master
> [v32.0~master.202201122333.d392ac9f16~ubuntu20.04.1] www.mythtv.org
> 2022-01-14 10:53:23.670269 C  Qt version: compile: 5.12.8, runtime: 5.12.8
> 2022-01-14 10:53:23.670286 I  Ubuntu 20.04.3 LTS (x86_64)
> 2022-01-14 10:53:23.670287 N  Enabled verbose msgs:  general
> 2022-01-14 10:53:23.670291 N  Setting Log Level to LOG_INFO
> 2022-01-14 10:53:23.681551 I  Added logging to the console
> 2022-01-14 10:53:23.681869 I  Setup Interrupt handler
> 2022-01-14 10:53:23.681887 I  Setup Terminated handler
> 2022-01-14 10:53:23.681889 I  Setup Segmentation fault handler
> 2022-01-14 10:53:23.681892 I  Setup Aborted handler
> 2022-01-14 10:53:23.681894 I  Setup Bus error handler
> 2022-01-14 10:53:23.681896 I  Setup Floating point exception handler
> 2022-01-14 10:53:23.681898 I  Setup Illegal instruction handler
> 2022-01-14 10:53:23.681906 I  Setup Real-time signal 0 handler
> 2022-01-14 10:53:23.681909 I  Setup Hangup handler
> 2022-01-14 10:53:23.681986 N  Using runtime prefix = /usr
> 2022-01-14 10:53:23.681987 N  Using configuration directory =
> /home/mythtv/.mythtv
> 2022-01-14 10:53:23.682001 I  Assumed character encoding: en_US.UTF-8
> 2022-01-14 10:53:23.682223 I  Empty LocalHostName. This is typical.
> 2022-01-14 10:53:23.682224 I  Using a profile name of: 'mythtv' (Usually
> the same as this host's name.)
> 2022-01-14 10:53:23.682243 I  Start up testing connections. DB
> 192.168.0.9, BE , attempt 0, status dbAwake, Delay: 2000
> [New Thread 0x7fffe30ca700 (LWP 3360)]
> 2022-01-14 10:53:24.207615 N  Setting QT default locale to en_US
> 2022-01-14 10:53:24.207620 I  Current locale en_US
> 2022-01-14 10:53:24.207641 N  Reading locale defaults from
> /usr/share/mythtv//locales/en_us.xml
> 2022-01-14 10:53:24.221214 I  PowerDBus: Failed to delay sleep,shutdown:
> Permission denied
> 2022-01-14 10:53:24.224530 I  PowerDBus: Added UPower.Device
> '/org/freedesktop/UPower/devices/ups_hiddev0'
> 2022-01-14 10:53:24.224825 I  Power: On AC power
> 2022-01-14 10:53:24.267038 I  Power: Supported actions: None
> 2022-01-14 10:53:24.269350 I  Loading en_us translation for module
> mythfrontend
> 2022-01-14 10:53:24.276352 I  Current MythTV Schema Version (DBSchemaVer):
> 1372
> [New Thread 0x7fffe28c9700 (LWP 3361)]
> 2022-01-14 10:53:24.287768 I  MythCoreContext::ConnectCommandSocket():
> Connecting to backend server: 192.168.0.9:6543 (try 1 of 1)
> 2022-01-14 10:53:24.290275 I  MythCoreContext::CheckProtoVersion(): Using
> protocol version 91 BuzzOff
> 2022-01-14 10:53:24.291271 I  Opening blocking connection to master backend
> [New Thread 0x7fffe20c8700 (LWP 3364)]
> [New Thread 0x7fffe18c7700 (LWP 3365)]
> [New Thread 0x7fffe10c6700 (LWP 3366)]
> [New Thread 0x7fffe08c5700 (LWP 3367)]
> [Detaching after fork from child process 3368]
> 2022-01-14 10:53:24.595447 I  Updating source #2 (FiOS) with grabber
> tv_grab_zz_sdjson_sqlite
> 2022-01-14 10:53:24.596500 I  Found 168 channels for source 2 which use
> grabber
> 2022-01-14 10:53:24.596934 I  Starting process manager
> 2022-01-14 10:53:24.597095 I  Starting process signal handler
> 2022-01-14 10:53:24.597284 I  Starting IO manager (read)
> 2022-01-14 10:53:24.597508 I  Starting IO manager (write)
> [Detaching after fork from child process 3371]
> 2022-01-14 10:53:24.997939 I  Grabber has capabilities: baseline
> manualconfig preferredmethod lineups apiconfig
> [Detaching after fork from child process 3373]
> 2022-01-14 10:53:25.398697 I  Grabber prefers method: allatonce
> 2022-01-14 10:53:25.399494 I  XMLTV config file is:
> /home/mythtv/.mythtv/FiOS.xmltv
> [Detaching after fork from child process 3376]
> [Detaching after fork from child process 3379]
>
> Thread 1 "mythfilldatabas" received signal SIGSEGV, Segmentation fault.
> 0x00007ffff63f0fce in ?? () from /lib/x86_64-linux-gnu/libc.so.6
> (gdb) backtrace full
> #0  0x00007ffff63f0fce in  () at /lib/x86_64-linux-gnu/libc.so.6
> #1  0x00007ffff63f3419 in malloc () at /lib/x86_64-linux-gnu/libc.so.6
> #2  0x00007ffff680f241 in QArrayData::allocate(unsigned long, unsigned
> long, unsigned long, QFlags<QArrayData::AllocationOption>) () at
> /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
> #3  0x00007ffff6884fb8 in QString::reallocData(unsigned int, bool) () at
> /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
> #4  0x00007ffff7b0bd41 in QString::squeeze() (this=0x7fffff7ff198) at
> /usr/include/x86_64-linux-gnu/qt5/QtCore/qstring.h:1151
> #5  DBEvent::Squeeze() (this=this at entry=0x7fffff7ff190) at
> programdata.cpp:291
> #6  0x00007ffff7b10d47 in DBEvent::DBEvent(DBEvent const&)
> (this=0x7fffff7ff190, other=...) at programdata.cpp:286
> #7  0x00007ffff7b10df4 in DBEvent::operator=(DBEvent const&)
> (this=0x555555738630, other=...) at programdata.cpp:235
>     ...
>     snip
>     ...
> #37427 0x00007ffff7b10dff in DBEvent::operator=(DBEvent const&)
> (this=0x555555738630, other=...) at programdata.cpp:235
> #37428 0x00007ffff7b10e76 in ProgInfo::operator=(ProgInfo const&)
> (other=..., this=0x555555738630) at programdata.cpp:1264
> #37429 ProgInfo::operator=(ProgInfo const&) (this=0x555555738630,
> other=...) at programdata.cpp:1259
> #37430 0x00007ffff7b11305 in ProgInfo::ProgInfo(ProgInfo const&)
> (this=0x555555738630, other=...) at programdata.cpp:1256
> #37431 0x0000555555582c08 in
> QList<ProgInfo>::node_construct(QList<ProgInfo>::Node*, ProgInfo const&)
> (this=0x5555557b6a80, n=0x5555557b6f90, t=...) at
> /usr/include/x86_64-linux-gnu/qt5/QtCore/qlist.h:436
> #37432 QList<ProgInfo>::append(ProgInfo const&) (this=this at entry=0x5555557b6a80,
> t=...) at /usr/include/x86_64-linux-gnu/qt5/QtCore/qlist.h:587
> #37433 0x0000555555580223 in QList<ProgInfo>::push_back(ProgInfo const&)
> (t=..., this=0x5555557b6a80) at
> /usr/include/x86_64-linux-gnu/qt5/QtCore/qlist.h:363
> #37434 XMLTVParser::parseFile(QString const&, std::vector<ChannelInfo,
> std::allocator<ChannelInfo> >*, QMap<QString, QList<ProgInfo> >*)
> (this=this at entry=0x7fffffffe450, filename=..., chanlist=chanlist at entry=0x7fffffffdd60,
> proglist=proglist at entry=0x7fffffffdd50) at xmltvparser.cpp:810
> #37435 0x0000555555566c7b in FillData::GrabDataFromFile(int, QString
> const&) (this=0x7fffffffe440, id=2, filename=...) at filldata.cpp:94
> #37436 0x000055555556a363 in FillData::GrabData(Source const&, int)
> (this=0x7fffffffe440, source=..., offset=<optimized out>) at
> filldata.cpp:234
> #37437 0x000055555556dd5b in FillData::Run(std::vector<Source,
> std::allocator<Source> >&) (this=0x7fffffffe440, sourcelist=std::vector of
> length 1, capacity 1 = {...}) at filldata.cpp:444
> #37438 0x0000555555564b2e in main(int, char**) (argc=<optimized out>,
> argv=<optimized out>) at main.cpp:406
>
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