Riccardo wrote:
Hey,
I build Kaffe on OpenBSD/sparc with the new compare/exchnage code that seems to work on Solaris.
The VM builds fine, when building the libraries, the process stops at: [ optimized and generated java.text.ChoiceFormat in 3,209 ms ]
and it remains there forever. AN analysis of top with the process indicates it is "idle" and the process is in "poll" state.
A quick grep through the source reveals that poll is only used by unix-jthreads. Could you try reconfiguring and rebuilding kaffe from scratch with posix threads [1]? For a more experimental feel, you could try commenting out the
#define USE_POLL 1
line in kaffe/kaffevm/systems/unix-jthreads/jthread.h, to see if that helps.
Suggestions? Problems with cp&ex or something else? Threads?
Problems with threads for sure. I don;t think this problem is related to compare-and-swap changes, since the problem occurs due to poll(2) hanging forever. It may indicate problems with 'poll' on sparc-openbsd, I can't say for sure.
cheers, dalibor topic
[1] --with-threads=unix-pthreads
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