Skip site navigation (1)Skip section navigation (2)
Date:      Tue, 13 May 2008 16:26:45 +0300
From:      Andriy Gapon <avg@icyb.net.ua>
To:        freebsd-threads@freebsd.org
Subject:   RELENG_7 libthr: _umtx_op -1 errno 60 Operation timed out
Message-ID:  <48299715.8010303@icyb.net.ua>

next in thread | raw e-mail | index | archive | help

I observe the following issue with some programs (e.g. firefox) from
time. A completely idle program suddenly starts using a lot of CPU and
sometimes memory too. For example, minimized firefox with no pages open.
Restarting the program make the behavior go away.
On one such occasion I ran ktrace on firefox and I saw a lot of messages
like the following in kdump:
 13974 firefox-bin RET   _umtx_op -1 errno 60 Operation timed out
Attaching with gdb I also saw a quite strange stack (unfortunately
firefox and the libs are without debug). I didn't save it but it looked
something like the following:
__error()
??
??
pthread_cond_init()
??

I wonder what could be a cause of this.
Could it be some sort of resource limitation?

-- 
Andriy Gapon




Want to link to this message? Use this URL: <https://mail-archive.FreeBSD.org/cgi/mid.cgi?48299715.8010303>