[PROBLEM] XBMC 13 + tvheadend freezing

[dru]

Hi, after upgrade to latest xbmc from repo cant watch live tv. Screen is freezes peridiodicall after 5 sec. or couple minutes. in some channels no audo synchronize with video. Signal quality is 100%. I tried overclock no diffrent.
Stream on PC with vlc works without freeezes

My hardware:
Rpi 512Mb
Power supply rating: 5V 2A

MPEG-2 codec license installed
tvheadend 3.4~wheezy installed
XBMC 13 3.0.0-1 from repo
XBian v1.0RC2
Linux xbian 3.12.7+
DVB Tuner ITE 9135 Generic

In syslog only :
xbian tvheadend[1714]: TS: ITE 9135 Generic_1/EmiTel: 682,000 kHz/TV6: MPEG2AUDIO @ #703: Continuity counter error, 14 duplicate log lines suppressed
...
xbian tvheadend[1714]: TS: ITE 9135 Generic_1/EmiTel: 682,000 kHz/PULS 2: H264 @ #602: Continuity counter error, 2 duplicate log lines suppressed
...
xbian tvheadend[1714]: TS: ITE 9135 Generic_1/EmiTel: 682,000 kHz/TV6: H264 @ #702: Continuity counter error, 1 duplicate log lines suppressed
...
xbian tvheadend[1714]: TS: ITE 9135 Generic_1/EmiTel: 682,000 kHz/PULS 2: TELETEXT @ #605: Continuity counter error, 2 duplicate log lines suppressed