Was this bug ever fixed?

Mark Hennessy mhennessy at cloud9.net
Fri May 5 20:34:44 CEST 2006


Was the bug noted below ever fixed in a later Nagios 2.x?  The changelog
doesn't seem to indicate that it has.

>From the Nagios 2.x documentation:

  Known Issues
 
  There is a known issue that can affect Nagios 2.0 on FreeBSD systems.
Hopefully this   
  problem can be fixed in a 2.x release...

    1. FreeBSD and threads. On FreeBSD there's a native user-level
implementation of 
  threads called 'pthread' and there's also an optional ports collection 
  'linuxthreads' that uses kernel hooks. Some folks from Yahoo! have reported
that 
  using the pthread library causes Nagios to pause under heavy I/O load,
causing some 
  service check results to be lost. Switching to linuxthreads seems to help
this 
  problem, but not fix it. The lock happens in liblthread's
__pthread_acquire() - it 
  can't ever acquire the spinlock. It happens when the main thread forks to
execute an 
  active check. On the second fork to create the grandchild, the grandchild
is created 
  by fork, but never returns from liblthread's fork wrapper, because it's
stuck in 
  __pthread_acquire(). Maybe some FreeBSD users can help out with this
problem.

--
 Mark Hennessy


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