Date: Tue, 26 Oct 2004 17:19:11 +0200 From: fandino <fandino@ng.fadesa.es> Cc: freebsd-current@freebsd.org Subject: Re: FreeBSD 5.3b7and poor ata performance Message-ID: <417E6AEF.3040307@ng.fadesa.es> In-Reply-To: <20041025172324.GF22681@funkthat.com> References: <14479.1098695558@critter.freebsd.dk> <417CD0CA.8010708@ng.fadesa.es> <20041025172324.GF22681@funkthat.com>
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John-Mark Gurney wrote: > Yep, and I get decent performance: could repeat the test setting udma mode to UDMA4? > dmesg clip: > atapci0: <VIA 82C686B UDMA100 controller> port 0xc000-0xc00f,0x376,0x170-0x177,0 > x3f6,0x1f0-0x1f7 at device 7.1 on pci0 > atapci0: Correcting VIA config for southbridge data corruption bug hhhmmm, my dmesg doesn't print the message for the 686B data corruption bug. > ata0: channel #0 on atapci0 > ata1: channel #1 on atapci0 > ad0: 43979MB <IBM-DTLA-307045/TX6OA60A> [89355/16/63] at ata0-master UDMA100 > Transfer rates: > outside: 102400 kbytes in 2.857371 sec = 35837 kbytes/sec > middle: 102400 kbytes in 3.561157 sec = 28755 kbytes/sec > inside: 102400 kbytes in 5.635770 sec = 18170 kbytes/sec >
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