Hi Klaus,
Please find the log below. Consider I'm using vdr only as recording device.
BR, Toomas
Dec 27 17:45:00 TW-U RUNVDR: Starting RUNVDR
Dec 27 17:45:00 TW-U RUNVDR: RUNVDR has successfully started
Dec 27 17:45:00 TW-U VDR: Starting VDR
Dec 27 17:45:00 TW-U vdr: [14960] VDR version 2.1.2 started
Dec 27 17:45:00 TW-U vdr: [14960] switched to user 'vdr'
Dec 27 17:45:00 TW-U vdr: [14960] codeset is 'UTF-8' - known
Dec 27 17:45:00 TW-U vdr: [14960] found 28 locales in /usr/local/vdr-212/share/locale
Dec 27 17:45:00 TW-U vdr: [14960] loading /var/lib/vdr/setup.conf
Dec 27 17:45:00 TW-U vdr: [14960] loading /var/lib/vdr/sources.conf
Dec 27 17:45:00 TW-U vdr: [14960] loading /var/lib/vdr/diseqc.conf
Dec 27 17:45:00 TW-U vdr: [14960] loading /var/lib/vdr/scr.conf
Dec 27 17:45:00 TW-U vdr: [14960] loading /var/lib/vdr/channels.conf
Dec 27 17:45:00 TW-U vdr: [14960] loading /var/lib/vdr/timers.conf
Dec 27 17:45:00 TW-U vdr: [14960] loading /var/lib/vdr/svdrphosts.conf
Dec 27 17:45:00 TW-U vdr: [14960] loading /var/lib/vdr/keymacros.conf
Dec 27 17:45:00 TW-U vdr: [14960] registered source parameters for 'A - ATSC'
Dec 27 17:45:00 TW-U vdr: [14960] registered source parameters for 'C - DVB-C'
Dec 27 17:45:00 TW-U vdr: [14960] registered source parameters for 'S - DVB-S'
Dec 27 17:45:00 TW-U vdr: [14960] registered source parameters for 'T - DVB-T'
Dec 27 17:45:00 TW-U vdr: [14962] video directory scanner thread started (pid=14960, tid=14962, prio=high)
Dec 27 17:45:00 TW-U vdr: [14960] probing /dev/dvb/adapter0/frontend0
Dec 27 17:45:00 TW-U vdr: [14960] creating cDvbDevice
Dec 27 17:45:00 TW-U vdr: [14960] new device number 1
Dec 27 17:45:00 TW-U vdr: [14962] video directory scanner thread ended (pid=14960, tid=14962)
Dec 27 17:45:00 TW-U vdr: [14961] video directory scanner thread started (pid=14960, tid=14961, prio=high)
Dec 27 17:45:00 TW-U vdr: [14963] epg data reader thread started (pid=14960, tid=14963, prio=high)
Dec 27 17:45:00 TW-U vdr: [14963] reading EPG data from /var/cache/vdr/epg.data
Dec 27 17:45:00 TW-U vdr: [14961] video directory scanner thread ended (pid=14960, tid=14961)
Dec 27 17:45:00 TW-U vdr: [14963] epg data reader thread ended (pid=14960, tid=14963)
Dec 27 17:45:00 TW-U vdr: [14960] DVB API version is 0x050A (VDR was built with 0x050A)
Dec 27 17:45:00 TW-U vdr: [14960] frontend 0/0 provides DVB-T with QPSK,QAM16,QAM64 ("DiBcom 7000PC")
Dec 27 17:45:00 TW-U vdr: [14966] section handler thread started (pid=14960, tid=14966, prio=low)
Dec 27 17:45:00 TW-U vdr: [14960] probing /dev/dvb/adapter1/frontend0
Dec 27 17:45:00 TW-U vdr: [14965] tuner on frontend 0/0 thread started (pid=14960, tid=14965, prio=high)
Dec 27 17:45:00 TW-U vdr: [14960] creating cDvbDevice
Dec 27 17:45:00 TW-U vdr: [14960] new device number 2
Dec 27 17:45:00 TW-U vdr: [14965] cTimeMs: using monotonic clock (resolution is 1 ns)
Dec 27 17:45:00 TW-U vdr: [14960] frontend 1/0 provides DVB-T with QPSK,QAM16,QAM64 ("DiBcom 7000PC")
Dec 27 17:45:00 TW-U vdr: [14960] found 2 DVB devices
Dec 27 17:45:00 TW-U vdr: [14969] section handler thread started (pid=14960, tid=14969, prio=low)
Dec 27 17:45:00 TW-U vdr: [14960] setting primary device to 1
Dec 27 17:45:00 TW-U vdr: [14960] device 1 has no MPEG decoder
Dec 27 17:45:00 TW-U vdr: [14960] assuming manual start of VDR
Dec 27 17:45:00 TW-U vdr: [14960] SVDRP listening on port 6419
Dec 27 17:45:00 TW-U vdr: [14968] tuner on frontend 1/0 thread started (pid=14960, tid=14968, prio=high)
Dec 27 17:45:00 TW-U vdr: [14960] setting current skin to "lcars"
Dec 27 17:45:00 TW-U vdr: [14960] loading /var/lib/vdr/themes/lcars-default.theme
Dec 27 17:45:00 TW-U vdr: [14960] switching to channel 1
Dec 27 17:45:00 TW-U vdr: [14960] setting watchdog timer to 60 seconds
Dec 27 17:45:00 TW-U vdr: [14960] OSD size changed to 720x480 @ 1
Dec 27 17:45:00 TW-U vdr: [14960] ERROR: no OSD provider available - using dummy OSD!
Dec 27 17:45:00 TW-U vdr: [14960] timer 1 (13 2058-2200 'Totuuden anatomia') set to event To 02.01.2014 21:00-22:00 'Totuuden anatomia (12)'
Dec 27 17:45:00 TW-U vdr: [14960] timer 2 (13 2058-2200 'Scandal') set to event Su 29.12.2013 21:00-21:50 'Scandal (7)'
Dec 27 17:45:00 TW-U vdr: [14960] timer 3 (13 2058-2210 'Good Wife') set to event Ma 30.12.2013 21:00-22:00 'Good Wife (12)'
Dec 27 17:45:00 TW-U vdr: [14960] timer 4 (10 2243-2350 'Dallas') set to event Pe 27.12.2013 22:45-23:40 'Dallas (7)'
Dec 27 17:45:00 TW-U vdr: [14960] timer 5 (10 1233-1900 'Test-27.12-MTV3-tw') set to event Pe 27.12.2013 17:25-17:55 'Kauniit ja rohkeat (7)'
Dec 27 17:45:00 TW-U vdr: [14960] switching device 1 to channel 10
Dec 27 17:45:00 TW-U vdr: [14960] timer 5 (10 1233-1900 'Test-27.12-MTV3-tw') start
Dec 27 17:45:00 TW-U vdr: [14960] Title: 'Kauniit ja rohkeat (7)' Subtitle: '(null)'
Dec 27 17:45:00 TW-U vdr: [14960] record /Data-U1/video/Test-27.12-MTV3-tw/2013-12-27.12.33.10-0.rec
Dec 27 17:45:00 TW-U vdr: [14960] recording to '/Data-U1/video/Test-27.12-MTV3-tw/2013-12-27.12.33.10-0.rec/00011.ts'
Dec 27 17:45:00 TW-U vdr: [14970] recording thread started (pid=14960, tid=14970, prio=high)
Dec 27 17:45:00 TW-U vdr: [14971] receiver on device 1 thread started (pid=14960, tid=14971, prio=high)
Dec 27 17:45:00 TW-U vdr: [14972] TS buffer on device 1 thread started (pid=14960, tid=14972, prio=high)
Dec 27 17:45:00 TW-U vdr: [14960] max. latency time 1 seconds
Dec 27 17:45:01 TW-U vdr: [14966] channel 10 (MTV3) event Pe 27.12.2013 17:25-17:55 'Kauniit ja rohkeat (7)' status 4
Dec 27 17:45:02 TW-U vdr: [14966] channel 13 (Liv) event Pe 27.12.2013 17:00-17:55 'Liv D: Tanssikisojen superäidit (S)' status 4
Dec 27 17:45:25 TW-U vdr: [14960] timer 5 (10 1233-1900 'Test-27.12-MTV3-tw') set to event Pe 27.12.2013 15:15-17:05 'Koirahotelli (7)'
Dec 27 17:55:50 TW-U vdr: [14969] changing pids of channel 3 from 514+514=2:670=sve@4,672=dut@4:3027=fin,3028=sve:5001 to 514+514=2:670=sve@4:3027=fin,3028=sve:5001
-> channel 1 PIDs are modified
Dec 27 17:57:14 TW-U vdr: [14969] changing pids of channel 1 from 512+512=2:650=eng@4,652=dut@4:1027=fin:5000 to 512+512=2:650=fra@4,652=dut@4:1027=fin:5000
Dec 27 18:00:02 TW-U vdr: [14966] channel 10 (MTV3) event Pe 27.12.2013 18:00-18:30 'Emmerdale (S)' status 4
Dec 27 18:00:09 TW-U vdr: [14969] changing pids of channel 1 from 512+512=2:650=fra@4,652=dut@4:1027=fin:5000 to 512+512=2:650=fin@4:1027=fin:5000
Dec 27 18:00:09 TW-U vdr: [14969] changing pids of channel 4 from 516+516=2:690=sve@4,694=dut@4:4027=fin:5000 to 516+516=2:690=deu@4,694=dut@4:4027=fin:5000
-> device 1 is switched to channel 1
Dec 27 18:00:09 TW-U vdr: [14960] retuning due to modification of channel 1
Dec 27 18:00:09 TW-U vdr: [14960] switching to channel 1
-> 30s
Dec 27 18:00:39 TW-U vdr: [14970] ERROR: video data stream broken
Dec 27 18:00:39 TW-U vdr: [14970] initiating emergency exit
Dec 27 18:00:40 TW-U vdr: [14960] emergency exit requested - shutting down
Dec 27 18:00:40 TW-U vdr: [14970] recording thread ended (pid=14960, tid=14970)
Dec 27 18:00:40 TW-U vdr: [14960] buffer stats: 95504 (0%) used
Dec 27 18:00:40 TW-U vdr: [14960] timer 5 (10 1233-1900 'Test-27.12-MTV3-tw') stop
Dec 27 18:00:40 TW-U vdr: [14960] saved setup to /var/lib/vdr/setup.conf
Dec 27 18:00:40 TW-U vdr: [14966] section handler thread ended (pid=14960, tid=14966)
Dec 27 18:00:40 TW-U vdr: [14965] tuner on frontend 0/0 thread ended (pid=14960, tid=14965)
Dec 27 18:00:40 TW-U vdr: [14969] section handler thread ended (pid=14960, tid=14969)
Dec 27 18:00:40 TW-U vdr: [14968] tuner on frontend 1/0 thread ended (pid=14960, tid=14968)
Dec 27 18:00:40 TW-U vdr: [14960] max. latency time 1 seconds
Dec 27 18:00:40 TW-U vdr: [14960] emergency exit!
Dec 27 18:00:40 TW-U vdr: [14960] exiting, exit code 1
Dec 27 18:00:40 TW-U VDR: VDR got a fault (retval=1), trying to restart
Dec 27 18:00:42 TW-U VDR: Starting VDR
Dec 27 18:00:42 TW-U vdr: [15406] VDR version 2.1.2 started
... etc same behaviour happens again when channel 1 gets PIDs modification and switches device 1 to channel 1
even device 1 is recording channel 10