Xbmc using 100% cpu when mythtv addon is enabled
#1
I have noticed recently that xbmc is using 100% cpu, so did some investigating and found that if I disabled the mythtv pvr addon cpu usage would return to normal.

The mythbackend.log file sows a repeating error message

Code:
Jan  1 17:15:41 XBMC mythbackend[1549]: I ProcessRequest mainserver.cpp:1475 (HandleAnnounce) MainServer::HandleAnnounce FileTransfer
Jan  1 17:15:41 XBMC mythbackend[1549]: I ProcessRequest mainserver.cpp:1477 (HandleAnnounce) adding: XBMC as a remote file transfer
Jan  1 17:15:41 XBMC mythbackend[1549]: E ProcessRequest fileringbuffer.cpp:284 (OpenFile) FileRingBuf(/mnt/sdb1/mythtv/recordings/8704_20121229221800.mpg.png): OpenFile(): Could not open.

This message repeats ever minute and rotates the same 3 files.

http://paste.ubuntu.com/1485708/

HTPC
XBMC v12 RC3 with myth TV backend || AMD Sempron 145 || 1gb DDR3 || ECS MCP61M-M3 Version 3 ( no core unlocker) || TBS6981 DVB-S2 tuner || ATI Radeon HD 5450 || 32gb Crucial SSD

NAS
IB-NAS4220-B HW revision 1.2 || 2x 1TB HDD RAID 1 || Open WRT firmware.
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#2
Sad 
Same issue here...Has this been solved yet?
I just installed yesterday brand new Frodo installations on an ASUS M3N78-EM and a Shuttle XS35GT-V2. On the ASUS server, I also installed mythtv and am getting exactly the same log as above.

Please...
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Xbmc using 100% cpu when mythtv addon is enabled0