Date: Mon, 4 Dec 2000 10:14:15 +0500 (YEKT) From: "Sergey N. Voronkov" <serg@tmn.ru> To: Mark Redding <mark@grawlfang.com> Cc: freebsd-bugs@FreeBSD.ORG Subject: Re: kern/23011: UDMA 66 not working on 4.1.1-Release ? Message-ID: <200012040514.eB45EFn08864@sv.tech.sibitex.tmn.ru> In-Reply-To: <200012040050.eB40o2101991@freefall.freebsd.org> "from Mark Redding at Dec 3, 2000 04:50:02 pm"
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> I'm experiencing the same problem in getting UDMA66 out of FreeBSD. > > dmesg snippet follows: > ... > atapci0: <VIA 82C686 ATA66 controller> port 0xd000-0xd00f at device 7.1 on > pci0 > ata0: at 0x1f0 irq 14 on atapci0 > ata1: at 0x170 irq 15 on atapci0 > ... > ad0: 9773MB <FUJITSU MPF3102AT> [19857/16/63] at ata0-master UDMA66 > ad1: 4110MB <QUANTUM FIREBALL ST4.3A> [14848/9/63] at ata0-slave UDMA33 Do you realy think UDMA66 & UDMA33 drives on some IDE cable is good? Try to use this drives separately (UDMA66 drives on leased chenel with special cable). In your current configuration it looks to be impossible without use of a second controller. > I believe I've got round the problem by editing ata-dma.c and commenting out > the code that sets udmamode back to 2 (which the above dmesg shows). > > Anyone knowing a good I/O benchmark to confirm this please let me know. Serg N. Voronkov. To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-bugs" in the body of the message
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