ntpd hangs under FBSD 8

[Kostik Belousov]

On Thu, Feb 25, 2010 at 08:12:05AM -0600, Peter Steele wrote:
> >I think problem not in ntpd, since I use ntpdate. And in 50% times, when it run from startup script, it hangs with kernel.
> >No Ctrl+C work, kernel don`t answer for ping, just freeze.
> >Problem somewhere in kernel, maybe in subsystems that set new time, maybe in network(UDP) parts.
> >This problem don`t affect other programs, so I think this in time handling code.
> 
> I think you may be describing a different problem. For one thing, we don't use ntpdate, we use the "ntpd -g -q" alternative. Secondly, for us ntpd is hanging 100% of the time when run via a Python thread class. The exception is Python 2.5.1; this succeeds 100% of the time.
> 
> >Peter, what platform You use? I use MIPS BCM5354.
> 
> We have a variety of 1U and 3U boxes. They all hang the same way.

Very wild guess, check the process signal mask of the child for both
methods of spawning.
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