[ntp:security] [Bug 527] ntpd frequently crashes on Windows systems

bugzilla at ntp.isc.org bugzilla at ntp.isc.org
Thu Sep 7 05:04:31 PDT 2006


Additional Comments From mayer at ntp.org (Danny Mayer)
Submitted on 2006-09-07 12:04

The problem seems to be in the signalling between the iocompletion thread and
the main thread (GetReceivedBuffers()).

I just conducted a test where I commented out the call to
SetEvent(WaitableIoEventHandle) in OnSocketRecv() and then changed the call to
WaitForMultipleObjects() to have a time out of 500 (milliseconds) instead of

That worked and I am no longer seeing Access Violation failures.

So the problem is with the event handles. I'll try a number of things to see if
this will solve the problem.


Danny Mayer <mayer at ntp.org>

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