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
This message repeats ever minute and rotates the same 3 files.
http://paste.ubuntu.com/1485708/
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/