[mythtv] Major commflag problems with current CVS

steve at nexusuk.org steve at nexusuk.org
Sun Jun 20 06:51:40 EDT 2004


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I've just upgraded to the current CVS and have hit a fairly major bug.  
I turned on the commercial flagging and when the backend was restarted it 
immediately fired up a few hundred threads, flagging all of my recordings 
(about 80 of them, which have never been commercial flagged) in parallel.  
The load on the box hit the roof and eventually mythbackend sucked up all 
the memory and the kernel's OOM handler nuked most of the processes 
running on the box.  It didn't seem to matter which commercial flagging 
method I chose - both logo detection and scene change detection did the 
same thing.

I have turned off commflagging now and the backend starts up ok (doesn't 
actually work, but I'll detail those problems in another post).  I've 
pasted the first few lines of top below:

 11:13:33  up 36 days, 12:49,  4 users,  load average: 65.87, 62.91, 40.04
331 processes: 307 sleeping, 24 running, 0 zombie, 0 stopped
CPU states:  cpu    user    nice  system    irq  softirq  iowait    idle
           total    0.5%    0.3%   28.3%   0.0%     0.0%    0.0%   70.7%
Mem:   256448k av,  253048k used,    3400k free,       0k shrd,      36k 
buff
       108604k active,             124260k inactive
Swap:  506036k av,  366816k used,  139220k free                   24408k 
cached

  PID USER     PRI  NI  SIZE  RSS SHARE STAT %CPU %MEM   TIME CPU COMMAND
28806 root      15   0  456M 192M  4920 S     0.0 76.9   0:00   0 
mythbackend
28805 root      15   0  456M 192M  4920 S     0.0 76.9   0:00   0 
mythbackend
28804 root      15   0  456M 192M  4920 D     0.0 76.8   0:00   0 
mythbackend
28803 root      15   0  456M 192M  4920 S     0.0 76.8   0:00   0 
mythbackend
28802 root      15   0  455M 192M  4920 S     0.0 76.8   0:00   0 
mythbackend
28800 root      15   0  455M 192M  4920 S     0.0 76.8   0:00   0 
mythbackend
28801 root      15   0  455M 192M  4920 S     0.0 76.8   0:00   0 
mythbackend
28799 root      18   0  455M 192M  4920 D     0.0 76.7   0:00   0 
mythbackend
28798 root      19   0  454M 191M  4920 R     0.0 76.4   0:00   0 
mythbackend
28795 root      15   0  454M 191M  4920 S     0.0 76.3   0:00   0 
mythbackend
28796 root      15   0  454M 191M  4920 D     0.0 76.3   0:00   0 
mythbackend
28797 root      15   0  454M 191M  4920 S     0.0 76.3   0:00   0 
mythbackend
28794 root      15   0  454M 191M  4920 D     0.0 76.3   0:00   0 
mythbackend
28792 root      15   0  454M 191M  4920 S     0.0 76.3   0:00   0 
mythbackend
28793 root      15   0  454M 191M  4920 S     0.0 76.3   0:00   0 
mythbackend
28791 root      15   0  454M 191M  4920 S     0.0 76.3   0:00   0 
mythbackend
28790 root      15   0  454M 191M  4920 S     0.0 76.3   0:00   0 
mythbackend
28787 root      15   0  454M 191M  4920 S     0.0 76.3   0:00   0 
mythbackend
28788 root      15   0  454M 191M  4920 S     0.0 76.3   0:00   0 
mythbackend
28789 root      15   0  454M 191M  4920 D     0.0 76.3   0:00   0 
mythbackend
28786 root      15   0  454M 191M  4920 D     0.0 76.3   0:00   0 
mythbackend
28784 root      15   0  454M 191M  4920 D     0.0 76.3   0:00   0 
mythbackend
28785 root      15   0  454M 191M  4920 S     0.1 76.3   0:00   0 
mythbackend
28783 root      15   0  454M 191M  4920 S     0.0 76.3   0:00   0 
mythbackend
28782 root      15   0  454M 191M  4920 D     0.0 76.3   0:00   0 
mythbackend
28781 root      19   0  454M 191M  4920 R     0.0 76.3   0:00   0 
mythbackend
28779 root      15   0  454M 191M  4920 S     0.0 76.3   0:00   0 
mythbackend
28780 root      15   0  454M 191M  4920 S     0.0 76.3   0:00   0 
mythbackend
28778 root      15   0  454M 191M  4920 S     0.0 76.3   0:00   0 
mythbackend
28776 root      15   0  454M 191M  4920 S     0.0 76.3   0:00   0 
mythbackend
28777 root      15   0  454M 191M  4920 S     0.0 76.3   0:00   0 
mythbackend
28774 root      15   0  454M 190M  4920 S     0.0 76.2   0:00   0 
mythbackend
28775 root      15   0  454M 190M  4920 S     0.0 76.2   0:00   0 
mythbackend
28768 root      15   0  454M 190M  4920 S     0.0 76.2   0:00   0 
mythbackend
28769 root      15   0  454M 190M  4920 S     0.0 76.2   0:00   0 
mythbackend
28770 root      15   0  454M 190M  4920 S     0.0 76.2   0:00   0 
mythbackend
28771 root      15   0  454M 190M  4920 S     0.0 76.2   0:00   0 
mythbackend
28772 root      15   0  454M 190M  4920 S     0.0 76.2   0:00   0 
mythbackend
28773 root      15   0  454M 190M  4920 S     0.0 76.2   0:00   0 
mythbackend
28767 root      15   0  454M 190M  4920 S     0.0 76.2   0:00   0 
mythbackend
28766 root      15   0  454M 190M  4920 S     0.0 76.2   0:00   0 
mythbackend
28762 root      15   0  454M 190M  4920 S     0.0 76.2   0:00   0 
mythbackend
28763 root      15   0  454M 190M  4920 S     0.0 76.2   0:00   0 
mythbackend
28764 root      15   0  454M 190M  4920 S     0.0 76.2   0:00   0 
mythbackend
28765 root      15   0  454M 190M  4920 S     0.0 76.2   0:00   0 
mythbackend
28761 root      15   0  454M 190M  4920 S     0.0 76.2   0:00   0 
mythbackend
28760 root      15   0  454M 190M  4920 S     0.0 76.2   0:00   0 
mythbackend
28759 root      15   0  454M 190M  4920 S     0.0 76.2   0:00   0 
mythbackend
28758 root      15   0  454M 190M  4920 D     0.0 76.2   0:00   0 
mythbackend
28755 root      19   0  454M 190M  4920 R     0.0 76.2   0:00   0 
mythbackend
28756 root      15   0  454M 190M  4920 S     0.0 76.2   0:00   0 
mythbackend
28757 root      15   0  454M 190M  4920 S     0.0 76.2   0:00   0 
mythbackend
28754 root      15   0  454M 190M  4920 S     0.0 76.2   0:00   0 
mythbackend
28753 root      19   0  454M 190M  4920 R     0.0 76.1   0:00   0 
mythbackend
28752 root      15   0  454M 190M  4920 S     0.0 76.1   0:00   0 
mythbackend
28751 root      15   0  454M 190M  4920 S     0.0 76.1   0:00   0 
mythbackend
28748 root      15   0  454M 190M  4920 S     0.0 76.1   0:00   0 
mythbackend
28749 root      19   0  454M 190M  4920 R     0.0 76.1   0:00   0 
mythbackend
28750 root      15   0  454M 190M  4920 S     0.0 76.1   0:00   0 
mythbackend
28747 root      15   0  454M 190M  4920 S     0.0 76.1   0:00   0 
mythbackend
28746 root      15   0  454M 190M  4920 S     0.0 76.0   0:00   0 
mythbackend
28745 root      15   0  453M 190M  4920 S     0.0 76.0   0:00   0 
mythbackend
28743 root      18   0  453M 190M  4920 R     0.0 76.0   0:00   0 
mythbackend
28744 root      15   0  453M 190M  4920 S     0.0 76.0   0:00   0 
mythbackend
28742 root      18   0  453M 190M  4920 R     0.0 76.0   0:00   0 
mythbackend
28741 root      15   0  453M 190M  4920 S     0.0 75.9   0:00   0 
mythbackend
28740 root      15   0  453M 190M  4920 S     0.0 75.9   0:00   0 
mythbackend


- -- 

 - Steve                                             http://www.nexusuk.org/

     Servatis a periculum, servatis a maleficum - Whisper, Evanescence

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