hi, i'm in the process of upgrading my pvr-350-based mythtv box and have run into 2 serious problems.
i did the upgrade by rerbooting with a live cd and duplicationg the old root partition using rsync. the original i left unchanged, but the new one i upgradeded, at first within the chroot, using the standard ubuntu tools ( so i upgraded breezy-->dapper-->edgy-->feisty). the old system ran ubuntu breezy, mythtv 0.18, ivtv modules 0.4.1 (I believe), and kernel 2.6.12. The new one runs ubuntu feisty, kernel 2.6.20, mythtv 0.20-svn, and has the 0.8 ivtv kernel modules built-in to the kernel, though in desperation i've also tried the latest 0.10 module packages from hellion.org.uk (they seemed to break my system ore profoundly, see below). the upgrade at first seemed to go quite well and so i rebooted into the new system, to find almost everything working... but no signal would display through the pvr-350's tv-out. i had left my xorg.conf uncahanged, and as far as i can tell it's set up pretty well, so i don't think that's really the issue. and indeed there are no error messages in /var/log/Xorg.0.log -- an xsession is established on fb1 using the ivtvdev x-driver, but it's invisible no information is actually passed out to the tv. i fiddled around with some settings in etc/modprobe.d to no effect; then i tried upgrading over to ivtv0.10 using the debian packages at hellion.org.uk, but that seemed to genuinely break everything -- for instance, /dev/video* disappeared entirely; so i went back to the old ivtv 0.8 modules that are packaged with the ubuntu kernel. anyway, so that's problem number 1: in the upgraded system, it seems to be impossible to access the tv-out. however, the video inputs seem to work fine (but perhaps not, see below) so, since that failed in part, and my family was angry at me for breaking a perfectly good setup, i went back to the old system, mythtv 0.18 with ivtv 0.4 drivers. everything looked fine -- mythfrontend still ran on an xsession via the pvr-350's tv-out -- until i realized that new recordings had no sound attached! i tried watching tv live as well, and there seems to be no audio stream at all in the video encoded by the pvr-350. confirmed this by transfering old and new recordings to another machine and watching with vlc -- the old recordings worked fine, the new ones have no audio. i've written to the mythtv list and gotten this suggestion back: > > In your .20 system, did you happen to change the -ivtv- release > version while you were testing? > > If so, it may have loaded different firmware, and, if so, a cold-boot > that doesn't also include 30+ seconds of absolutely no power might be > using registers that were set for the newer ivtv release and which > don't work right with the older ivtv release. So that might be a > quick test to try: shutdown, unplug the power and network (!) cables, > wait 60 seconds, reverse & reboot. in fact i had installed newer ivtv firmware on the new system, so that sounded brilliant; i tried it, no success. in fact, just to be sure i booted back in to the new system, and lo and behold, there's no audio on any recordings IT makes either. so now i have *2* non-working systems. how disheartening! any suggestions on how to troubleshoot further? as usual thanks in advance for help, matt -- Matt Price History Dept University of Toronto [EMAIL PROTECTED]
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