Date: Fri, 7 May 2004 09:43:52 +0930 From: "Daniel O'Connor" <doconnor@gsoft.com.au> To: freebsd-current@freebsd.org, Paul Seniura <pdseniura@techie.com> Subject: Re: low HZ value causes "Time Warp Bug" (re: this Puny Pentium2 suddenly became 45% slower!) Message-ID: <200405070944.01827.doconnor@gsoft.com.au> In-Reply-To: <20040506213641.1C6C25CD1@techpc04.okladot.state.ok.us> References: <20040506171135.1ADEA5CB5@techpc04.okladot.state.ok.us> <20040506213641.1C6C25CD1@techpc04.okladot.state.ok.us>
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=2D----BEGIN PGP SIGNED MESSAGE----- Hash: SHA1 On Fri, 7 May 2004 07:06, Paul Seniura wrote: > It seems this bug happens when the HZ value goes below 16 > (either by compiling 'options HZ=3D' in kernel or setting > sysctl 'kern.hz=3D' in /boot/loader.conf). The computed > 'ticks' value becomes too large for 2-byte int producing > crazy overflowed numbers elsewhere. 16 is pretty low.. Then again it would be nice if it warned you or something similar when you= =20 tried it :) =2D --=20 Daniel O'Connor software and network engineer for Genesis Software - http://www.gsoft.com.au "The nice thing about standards is that there are so many of them to choose from." -- Andrew Tanenbaum GPG Fingerprint - 5596 B766 97C0 0E94 4347 295E E593 DC20 7B3F CE8C =2D----BEGIN PGP SIGNATURE----- Version: GnuPG v1.2.4 (FreeBSD) iD8DBQFAmtTI5ZPcIHs/zowRAgz1AJ4v0lCPJ65msKXP1DVBJa4p42/BKACglAK/ K7Aw8vg5AP/3ld+2s1xr4yk=3D =3DS4LX =2D----END PGP SIGNATURE-----
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