[mythtv-commits] Ticket #5410: memory leak in myth-backend on x64 when recording from DVB-C / qam256
MythTV
mythtv at cvs.mythtv.org
Thu Jun 5 20:05:56 UTC 2008
#5410: memory leak in myth-backend on x64 when recording from DVB-C / qam256
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Reporter: anonymous | Owner: ijr
Type: defect | Status: new
Priority: minor | Milestone: unknown
Component: mythtv | Version: unknown
Severity: medium | Mlocked: 0
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Bug forwarded from the Mythbuntu bug tracker:
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When recording from a "Satelco EasyWatch DVB-C MK3" DVB-C card I see a
memory leak in mythtv-backend.
The system seems to allocate about 0.2% of the 4Gb ram installed in the
backend every minute until the memory usage rises to about 80% then the
system starts swapping and becomes totally unusable.
When the recording is finished the memory is not released. The only way to
release the memory is to stop/start the mythtv-backend process.
kernel 2.6.24-16-generic #1 SMP Thu Apr 10 12:47:45 UTC 2008 x86_64
GNU/Linux.
My cable provider sends DVB-C in QAM256.
The problem could be related to EIT and the option "Close DVB card when
not it use".
mythbackend version: 0.21.20080304-1
I've run the backend under valgrind and have attached the log file.
Valgrind started with the following options:-
valgrind --leak-check=full --error-limit=no --show-reachable=yes --log-
file=logfile -v -- /usr/bin/mythbackend
--daemon --logfile /var/log/mythtv/mythbackend.log --pidfile
/var/run/mythtv/mythbackend.pid --noupnp | tee backend.log
Regards
Ian Dobson
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The OP also suggests:
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I've done abit more testing and the leak only happens on some channels. At
the moment I can say that the leak happens on channel ProSieben (Pro7).
Note I can watch the programms recorded from ProSieben without any
problems.
After abit of googling I've come across several comments about "encoding
fixups for German networks"
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Logs attached.
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Ticket URL: <http://svn.mythtv.org/trac/ticket/5410>
MythTV <http://www.mythtv.org/>
MythTV
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