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Date: Tue, 21 Nov 2000 10:56:22 -0800 (PST)
From: tigner@msu.edu
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Subject: kern/23011: UDMA 66 not working on 4.1.1-Release ?
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>Number:         23011
>Category:       kern
>Synopsis:       UDMA 66 not working on 4.1.1-Release ?
>Confidential:   no
>Severity:       non-critical
>Priority:       medium
>Responsible:    freebsd-bugs
>State:          open
>Quarter:        
>Keywords:       
>Date-Required:
>Class:          sw-bug
>Submitter-Id:   current-users
>Arrival-Date:   Tue Nov 21 11:00:01 PST 2000
>Closed-Date:
>Last-Modified:
>Originator:     Barry Tigner
>Release:        FreeBSD 4.1.1 Release
>Organization:
Michigan State University
>Environment:
> uname -a
FreeBSD Speedy.home 4.1.1-RELEASE FreeBSD 4.1.1-RELEASE #0: Fri Nov 17 18:46:49 EST 2000     root@Speedy.home:/usr/src/sys/compile/SPEEDY  i386
>       
>Description:
dmesg reports HD is running at ata33, cdrom at PIO4. Both
work ok in Win98, checked bios settings , recompiled kernel
with ata dma enabled, still get the same message. I AM using
an 80 wire ata66 cable on ATA0 and a 40 wire ata33 cable on
ATA1. I've tried replacing the cables with new ones even though
it appears to work ok in windows, and still get the same message.

dmesg excerpt follows here.
> dmesg |grep ata
atapci0: <SiS 5591 ATA33 controller> port 0xd000-0xd00f,0xd400-0xd403,0xd800-0xd807,0xe000-0xe003,0xe400-0xe407 irq 14 at device 0.1 on pci0
ata0: at 0x1f0 irq 14 on atapci0
ata1: at 0x170 irq 15 on atapci0
ata0-master: DMA limited to UDMA33, non-ATA66 compliant cable
ad0: 19531MB <Maxtor 92048U8> [39683/16/63] at ata0-master using UDMA33
acd0: CDROM <CD-ROM 56X> at ata1-master using PIO4
afd0: 120MB <LS-120 COSM 02 UHD Floppy> [963/8/32] at ata1-slave using PIO2  


Mainboard=Asus p5A-B, Ali chipset, builtin snd,agp2x , shared mem for vga
CPU=AMD K6-2 3DNow/400mhz.
MEM=64MB PC100 SDRAM
HD=Maxtor 7200rpm 2MB cache ata66 20GB  ATA0-master
CDrom=56x ATA33 MagicSpin ATA1-master
nofloppy
LS-120 superfloppy = ATA1-slave
>How-To-Repeat:
it repeats all the time.
>Fix:
no clue at all. I have enabled ata dma in the kernel and recompiled.
I've tried recompiling with optimizations on, still same problem.

>Release-Note:
>Audit-Trail:
>Unformatted:


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