Processes stuck in umtx state using libthr

[Anders Nordby <anders_(_at_)_FreeBSD_(_dot_)_org>]

Hi,

I just wonder if anyone else is having problems with Java 1.5 processes
getting stuck in umtx state, and spending lots and lots of CPU time?

It seems that switching back to the default (kse) threading library
libpthread, instead of using libthr, helps. I had been using libthr
because it seemed to help avoiding some other bugs/problems, but I guess
I just have to stop doing that (with FreeBSD 6, at least).

PS: This is on 64-bit platform, FreeBSD 6.3/amd64. On FreeBSD 6.2/i386,
using libthr was not a problem for me.

Bye,

-- 
Anders.
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