They're brand new cables, from promise, and I don't have this problem
under linux (I get over 40 MB/s transfer rate with hdparm). However, I will try other cables eventually. If anyone has another idea, please let me know. Thanks, Ugo>>
-- Try getting new cables. I have had a similar problem caused by bad cables before.
On Thu, 24 Jul 2003 22:57:48 -0400 (EDT) Ugo Bellavance <iolubik at yahoo.ca> wrote:
--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).
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.
Try man 8 atacontrol
Especialy the 'mode' command
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