MediaPortal freezes after switching TV Channel a few times

[infinityloop]

Windows Version: WindowsXP MCE 2005 RU2
CPU Type: AMD AthlonXP 3000+
Memory: 512 MB DDR PC3200
Motherboard: Asus A7N8X Deluxe
Motherboard Chipset: Nvidia nforce2
Motherboard Bios: Award 1008
Video Card: WinFast A6600 GT TDH-128 (S-Video out)
Video Card Driver: Forceware
Sound Card: realtek
Sound Card AC3: coaxial out/ optical out
Sound Card Driver: 1.16
1. TV Card: Technisat Skystar 2
1. TV Card Type: DVB-S
1. TV Card Driver: 30.09.2005
2. TV Card: no 2nd TV Card installed
2. TV Card Type: no 2nd TV Card installed
2. TV Card Driver: no 2nd TV Card installed
Video Codec: mpeg2dec
Audio Codec: mpedg/ac3/dts
Satelite/CableTV Provider: Astra 19.2°E
HTPC Case: standard ATX case
Power Supply: Bequite 400W
Remote: Microsoft MCE Remote
TV: Panasonic 16:9
TV - HTPC Connection: S-Video

Description

MediaPortal freezes with TS enabled and crahsed with ts dissabled after switching the TV Channel a few times.
used Skystar2

with timeshift on: channel switching takes 4 seconds
with timeshift off: channel switching takes 1 seconds

tested with testbuild from 16-03-2006 and 0.2RC2+privatebuild 16-03-2006 18:56

with 0.2RC2+public cvs 14-03-2006 this problem does NOT occur

Steps To Reproduce

timeshift on:
1.enter MyTV
2.switch the TV Channel more than 3 times
3.mediaportal freezes audio still playing, tv black. still hearing clicksounds when using remote/keyboard

timeshift off:
1.enter MyTV
2.switch the TV Channel more than 3 times
3.tv starts to stutter, noise in audio, artefacts in picture
4.MP crashes with dot net error. http://mp.pastebin.com/606950

Additional Information

when the problem takes place i get this in the log

16.03.2006 20:32:06 StreamBufferPlayer9: switch to overlay
16.03.2006 20:32:06 StreamBufferPlayer9: cleanup DShow graph False
16.03.2006 20:32:06 StreamBufferPlayer9: vmr9 disable
16.03.2006 20:32:06 StreamBufferPlayer9: vmr9 dispose
16.03.2006 20:32:06 vmr9: Dispose
16.03.2006 20:32:06 StreamBufferPlayer9: cleanup done
16.03.2006 20:32:06 StreambufferPlayer: GetInterfaces()
16.03.2006 20:32:06 VMR7Helper: AddVMR7

switch to overlay and addVMR7 cant be correct.

Full log: http://mp.pastebin.com/605992
MPSA.log: http://mp.pastebin.com/606951
error.log: http://mp.pastebin.com/606954
vmr9.log: http://mp.pastebin.com/606957
recorder.log: http://mp.pastebin.com/606955

[imported_pirlone]

with mediaportal-cvs-03-17-2006--20-27.rar SS2 autotune is broken...
devs are aware of the problem...

rgs,
pirlone