Ubuntu

Java program hangs on FUTEX_WAIT

Asked by Maarten Boekhold

Hi all,

I have a java program that hangs on Ubuntu 7.04 Feisty Fawn. When I do an strace -p pid I can see it is stuck on a futex(..., FUTEX_WAIT,...) operation. I have seen a similar error reported on:

https://bugs.launchpad.net/ubuntu/+source/linux-source-2.6.20/+bug/107012

I can't be sure that this is the same issue (would I be able to verify this somehow?), but it sure looks the same.

This is on an i386 ubuntu, P4 with HT enabled, using the 'standard' ubuntu generic & i386 kernels, and also with a 2.6.21.1 kernel custom compiled. Java version is 1.5.0 from Sun.

I haven't tried this same program on 6.xx yet (having some disk space issues), but the same program works fine on both Windows XP sp2 and Solaris 2.8. Other java programs (and I've only tried a few) work without problems on 7.04 using the same JRE version.

Any ideas?

Regards, Maarten

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Maarten Boekhold
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Best Maarten Boekhold (boekhold) said : 		#1

Hi,

I've re-installed my system with Ubuntu 6.06, and now this application is working. So I'm up-and-running again, though I'd still like to know how I could fix this on 7.04, as I'd prefer to keep working on Feisty.

Maarten