Date: Wed, 27 Aug 2003 22:51:45 -0400 (EDT) From: Robert Watson <rwatson@freebsd.org> To: Bill Moran <wmoran@potentialtech.com> Cc: freebsd-performance@freebsd.org Subject: Re: Some additional tests run on my performance testing Message-ID: <Pine.NEB.3.96L.1030827225030.29532F-100000@fledge.watson.org> In-Reply-To: <3F4D5957.8000204@potentialtech.com>
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On Wed, 27 Aug 2003, Bill Moran wrote: > Unfortunately (as you'll see) the results were _worse_ than with FreeBSD > 5.1. .. > ad0s1a: UDMA ICRC error writing fsbn 1458368 of 729184-729215 (ad0s1 bn 1458368; cn 241 tn 12 sn 44) retrying > ad0s1a: UDMA ICRC error writing fsbn 1458368 of 729184-729215 (ad0s1 bn 1458368; cn 241 tn 12 sn 44) retrying > ad0s1a: UDMA ICRC error writing fsbn 1458368 of 729184-729215 (ad0s1 bn 1458368; cn 241 tn 12 sn 44) retrying > ad0s1a: UDMA ICRC error writing fsbn 1458368 of 729184-729215 (ad0s1 bn 1458368; cn 241 tn 12 sn 44) falling back to PIO mode Question: did 5.1 keep the drive as UMA, but 4.8 back it off to PIO? Did you look at any of the blocksize-related patches that have been floating around? Robert N M Watson FreeBSD Core Team, TrustedBSD Projects robert@fledge.watson.org Network Associates Laboratories
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