On Fri, 12 May 2006 17:53:20 +0200 Thomas Kuther <gimpel@xxxxxxxxxxxxxxxx> wrote: > Hi people! > > Just tried mixxx-1.5.0-beta1 and unfortunately i have to count it to > my list of "box killers". This list currently contains > * rosegarden > * chionic > * mixxx > > Interestingly those are all QT apps. But QT works fine here, for > example MusE just works like a charm. > And now im interested in finding out what causes those three apps to > completely hardlock my system. And they _really_ HARDlock it, in a way > that the kernel doesn't even react on a sysrq+s/u/b call anymore. no > keyboard, no mouse, nothing in any logs.. just dead. > > Crappy hardware also is not the cause i guess, as card 1 is a M-Audio > Audiophile 2496, and card 2 is a ESI Juli@ - and as said apps like > MusE, LMMS and a big number of other apps work just fine. > > I tested it on both cards, in case of rosegarden with both, direct > ALSA and jack output, and it hardlocks the system shortly after the > splash is displayed. I have no idea what could be the cause because i > can't get a trace or anything and have to hard-reset the box. > > I would be very pleased if anyone has an idea where to start with > debugging that. > > Thanks in advance > Tom > Ok.. 5 mins after wrinting the mail another guy with the same problem told me that it is not the kernel that hardlocks, but it's X that completely freezes. He was able to remotely login, kill & restart X and all was fine again. I tried that too from flatmates notebook and indeed it is X that dies... ..one step closer.. but still: searching for the reason why.
