Date: Tue, 08 May 2001 11:21:13 -0700 (PDT) From: John Baldwin <jhb@FreeBSD.org> To: "Edwin L. Culp" <eculp@EnContacto.Net> Cc: current@FreeBSD.org Subject: RE: DELL 2 X PIII/500Mhz, SCSI/Adaptec/(QUANTUM ATLAS) Message-ID: <XFMail.010508112113.jhb@FreeBSD.org> In-Reply-To: <989343415.3af82eb7427c3@Mail.PasionLatina.Org>
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On 08-May-01 Edwin L. Culp wrote: > A couple of days ago, I installed current on a Dell that had been an > NT server. Everything works fine except is seems very slow. A make > world on current takes over 5 hours. A little more than my old K6-2 > 300 laptop. > > This is the first SMP kernel I have used but I have disabled it with no > noticable difference in speed. > > I'm sure that I am missing something very basic. I have attached my dmesg > and would appreciate any suggestions as to a starting point to speed it up. > > Thanks, > > ed -current has lots of debugging on by default. The witness code especially is rather slow. However, it is helpful in finding bugs. You can try disabling witness by building a custom kernel or setting the loader tunable debug.witness_watch to 0. If you really need performance, you may want to run stable instead of current anyways. -- John Baldwin <jhb@FreeBSD.org> -- http://www.FreeBSD.org/~jhb/ PGP Key: http://www.baldwin.cx/~john/pgpkey.asc "Power Users Use the Power to Serve!" - http://www.FreeBSD.org/ To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-current" in the body of the message
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