Date: Wed, 20 Jun 2007 13:25:04 -0700 (PDT) From: "Arthur Chang" <contact@arthurchang.com> To: "David Cross" <dcross@okcupid.com> Cc: freebsd-hackers@freebsd.org, Jeremy Chadwick <koitsu@freebsd.org> Subject: Re: Very slow sed... Message-ID: <24128.12.22.49.94.1182371104.squirrel@email.powweb.com> In-Reply-To: <20070620155139.P48331@max.okcupid.com> References: <20070620100737.S56928@max.okcupid.com> <20070620192003.GA72641@eos.sc1.parodius.com> <20070620155139.P48331@max.okcupid.com>
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It might be an issue with the motherboard memory slots then. -Arthur Chang > Thanks all.. it was the memory. It wasn't "bad".. .memtest (or anythign > else didn't actually fail, the only way I could tell is with a stopwatch > and watching loop times)... but pulling 1/2 of the RAM fixed it.. it > doesn't matter which set was in, as long as both sets its fine. > > -- > David E. Cross > > On Wed, 20 Jun 2007, Jeremy Chadwick wrote: > >> On Wed, Jun 20, 2007 at 10:24:01AM -0400, David Cross wrote: >>> Ok the subject line is misleading.. but I don't know how else to put >>> it. I >>> have a machine on which SOME programs are slow. VERY SLOW. Other >>> programs >>> run just fine. I cannot seem to find the source of the problem. >> >> Two things I can think of: >> >> 1) Memory issues -- memtest86 could help show this kind of problem. Try >> removing memory, and if the problem continues, swapping the pair you >> removed with the pair that's installed. >> >> 2) Disk issues -- reading /usr/bin/sed off the disk where there's a >> soon-to-be-bad block. The disk may be trying to work around it and >> doing a delayed read (inducing EC). This seems less likely to be the >> case than bad memory, but I've seen it happen. >> >> -- >> | Jeremy Chadwick jdc at parodius.com >> | >> | Parodius Networking http://www.parodius.com/ >> | >> | UNIX Systems Administrator Mountain View, CA, USA >> | >> | Making life hard for others since 1977. PGP: 4BD6C0CB >> | >> > _______________________________________________ > freebsd-hackers@freebsd.org mailing list > http://lists.freebsd.org/mailman/listinfo/freebsd-hackers > To unsubscribe, send any mail to "freebsd-hackers-unsubscribe@freebsd.org" >
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