Java problem on Fedora 17

Jessie Adan Morris jessie at
Thu Oct 25 10:19:37 MDT 2012

My first question is what is causing it to hang? I/O bottleneck, CPU usage, or RAM usage? That would determine my next steps.

Jessie A. Morris
jessie at

On Thursday, October 25, 2012 10:13:12 Barry Roberts wrote:
> I'm not sure when this started or got so bad, but I have a java/ant build
> that normally just takes over a minute.  Now during that build, it will
> hang, sometimes for several minutes.  During that time my chromium or
> Firefox might also hang.  I can switch tabs, but chromium will pop up the
> "Kill this window" dialogs, and loading pages will just spin in firefox.
> It's really hard so strace ant builds because our build kicks off a lot of
> child processes.  But I think I have seen it stuck in FUTEX_WAIT, so I've
> rm'ed /dev/urandom and it's just another random now to eliminate that
> possibility, even though I'm not running in a VM.  I think I've eliminated
> the Gnome accessibility issue by running in XFCE with no compositing.  This
> still happens.
> I was having the issue with Oracle jdk 7u4, so I upgraded to 7u9, and got
> the same thing.  I'm pretty sure I even built with openjdk from the Fedora
> rpms and it did the same thing.
> I'm at a loss.  Anybody have any ideas what else could cause this?
> Thanks,
> Barry
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