[HELP] HTC Magic 32a: radio turns off and doesn't go on again

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Hello. I have a Htc magic /MT3G 32A version, i think my operator got them from vodafone. i have a big problem with network functionality. The issue is as follows: if i load the original cupcake rom or rom update with senseUI, also version 1.5, radio, no matter which, works ok, the signal is stable, umts works. But if i put on a custom rom (official upgrades to 2.1 or 2.2 are not available), the phone starts to act weird. it happens on radio 3.22, 6.35, tried different versions of each. it happens on cyanogen, official ports, aosp... I get big signal holes, and when it changes from one antenna to another, signal goes out, let's say also for an hour or more, then suddenly it reappears. i also don't have connection in areas, where there surely is gsm coverage. Nothing helps when this happens, no reboot, no airplane mode, sim lock off... on original rom this problem doesn't occur. I also made a log on my phone during a long "blackout". What is wrong? Could some application or a process be causing this issue? if so, how can i find out which?

When i made this log, i was on cyanogen mod 6.1 stable, radio 3.22.20.17

bump bump bump