Date: Thu, 25 Feb 2010 09:57:48 -0600 From: Peter Steele <psteele@maxiscale.com> To: Kostik Belousov <kostikbel@gmail.com> Cc: Alexandr Rybalko <ray@dlink.ua>, "hackers@freebsd.org" <hackers@freebsd.org> Subject: RE: ntpd hangs under FBSD 8 Message-ID: <7B9397B189EB6E46A5EE7B4C8A4BB7CB39E95703@MBX03.exg5.exghost.com> In-Reply-To: <20100225151828.GA2489@deviant.kiev.zoral.com.ua> References: <7B9397B189EB6E46A5EE7B4C8A4BB7CB385D5C73@MBX03.exg5.exghost.com> <20100220113349.GA22800@kiwi.sharlinx.com> <7B9397B189EB6E46A5EE7B4C8A4BB7CB385D60B7@MBX03.exg5.exghost.com> <bc2d971002220751i256f2329g3f29efdc763bca97@mail.gmail.com> <7B9397B189EB6E46A5EE7B4C8A4BB7CB385D60DD@MBX03.exg5.exghost.com> <7B9397B189EB6E46A5EE7B4C8A4BB7CB39E95389@MBX03.exg5.exghost.com> <20100224190035.GA5026@wep4035.physik.uni-wuerzburg.de> <7B9397B189EB6E46A5EE7B4C8A4BB7CB39E95522@MBX03.exg5.exghost.com> <20100225125838.13cd6c0e.ray@dlink.ua> <7B9397B189EB6E46A5EE7B4C8A4BB7CB39E95689@MBX03.exg5.exghost.com> <20100225151828.GA2489@deviant.kiev.zoral.com.ua>
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>Very wild guess, check the process signal mask of the child for both metho= ds of spawning. I'm running ntpd through Python. How do I check the process signal mask? I = did some quick searches and it seems Python does not support sigprocmask().= =20 In my searches I came across this link: http://bugs.python.org/msg61870 I think you might be right that this is related to the signal mask. In my s= cenario the select call is hanging indefinitely, just like discussed in thi= s article.
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