Date: Thu, 24 Jul 2003 22:57:48 -0400 (EDT) From: Ugo Bellavance <iolubik@yahoo.ca> To: freebsd-questions@freebsd.org Subject: DMA limited to UDMA33, non-ATA66 cable or device Message-ID: <20030725025748.14911.qmail@web13304.mail.yahoo.com>
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Hi,
--System
FreeBSD 4.8 release
It is a kernel that I recompiled only to enable SMP.
The same error comes with the generic stock generic
Kernel.
It is a dual Athlon MP 1800+ on a tyan MB. The Raid
card is a TX-2000 with 2 Hot swap superswap enclosure.
The only other IDE device, the cd-rom is on the IDE
controller on the motherboard. The raid is a RAID1
with 2 Western Digital 80 Gb, 8 Mb cache, 7200rpm,
each of them is ont a separate channel. I checked the
cable and they are connected on the right side. I
even tried to put them the other way around and I get
the same error message.
--Problem: FreeBSD only puts my drive in udma33 while
the Motherboard, cables, enclosures and drives support
udma100. I don't know if it is a bogus error, because
I don't know how to test it (like hdparm in linux).
--Other data:
output from dmesg
atapci1: <Promise TX2 ATA133 controller> port
0x1010-0x101f,0x1024-0x1027,0x1028-0x102f,0x1030-0x1033,0x1038-0x103f
mem 0xf0000000-0xf000ffff irq 2 at device 8.0 on pci0
ad4: DMA limited to UDMA33, non-ATA66 cable or device
ad6: DMA limited to UDMA33, non-ATA66 cable or device
ar0: 1907348MB <ATA RAID1 array> [65535/255/63]
status: READY subdisks:
0 READY ad4: 76319MB <WDC WD800JB-00CRA1>
[155061/16/63] at ata2-master UDMA33
ad4: SuperSwap enclosure [FAN:4218rpm
TEMP:28.0C 5.022V 12.078V]
1 READY ad6: 76319MB <WDC WD800JB-00CRA1>
[155061/16/63] at ata3-master UDMA33
ad6: SuperSwap enclosure [FAN:4166rpm
TEMP:28.0C 4.941V 11.895V]
Jul 24 21:16:08 bibi /kernel: acd0: CDROM <HL-DT-ST
CD-ROM GCR-8520B> at ata1-master PIO4
output of atacontrol list
atacontrol list
ATA channel 0:
Master: no device present
Slave: no device present
ATA channel 1:
Master: acd0 <HL-DT-ST CD-ROM GCR-8520B/1.00>
ATA/ATAPI rev 0
Slave: no device present
ATA channel 2:
Master: ad4 <WDC WD800JB-00CRA1/17.07W17>
ATA/ATAPI rev 5
Slave: no device present
ATA channel 3:
Master: ad6 <WDC WD800JB-00CRA1/17.07W17>
ATA/ATAPI rev 5
Slave: no device present
Nothing interesting in /var/log/messages
Other logs can be provided upon request. I just don't
want to make the post too long.
Thanks for your help.
Ugo Bellavance
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