On Sun, 17 Oct 1999, Mike Cheponis wrote:

> I installed 1.4.1 on an IBM 18G disk into a 2G partition.  Then I gave the
> disk to a friend to install into his machine.  (Both machines are K6-2/450
> MHz w/64 MB, but are otherwise not identical motherboards).
> 
> 
> Here are some messages from his log:
> 
> 
> Oct 15 12:02:08 USB /netbsd: wd0 at pciide0 channel 0 drive 0: <IBM-DJNA-371800>
> Oct 15 12:02:08 USB /netbsd: wd0: drive supports 16-sector pio transfers, lba addressing
> Oct 15 12:02:08 USB /netbsd: wd0: 17206MB, 16383 cyl, 16 head, 63 sec, 512 bytes/sect x 35239680 sectors
> Oct 15 12:02:08 USB /netbsd: wd0: 32-bits data port
> Oct 15 12:02:08 USB /netbsd: wd0: drive supports PIO mode 4, DMA mode 2, Ultra-DMA mode 4, Ultra-DMA mode 3, Ultra-DMA mode 2
> Oct 15 12:02:08 USB /netbsd: wd0(pciide0:0:0): using PIO mode 4, Ultra-DMA mode 2 (using DMA data transfers)
> 
> ....
> 
> Oct 16 15:10:37 USB syslogd: restart
> Oct 16 15:10:38 USB /netbsd:  tn 7 sn 54), retrying
> Oct 16 15:10:38 USB /netbsd: wd0: soft error (corrected)
> Oct 16 15:10:38 USB /netbsd: wd0a: DMA error reading fsbn 114288 of 114288-114319 (wd0 bn 114351; cn 113 tn 7 sn 6), retrying
> Oct 16 15:10:38 USB /netbsd: wd0: soft error (corrected)
> Oct 16 15:10:38 USB /netbsd: wd0a: DMA error reading fsbn 85088 of 85088-85103 (wd0 bn 85151; cn 84 tn 7 sn 38), retrying
> Oct 16 15:10:39 USB /netbsd: wd0: soft error (corrected)
> Oct 16 15:10:39 USB /netbsd: wd0a: DMA error reading fsbn 85104 of 85104-85119 (wd0 bn 85167; cn 84 tn 7 sn 54), retrying
> Oct 16 15:10:39 USB /netbsd: wd0: soft error (corrected)
> 
> [... many more of those ...]
> 
> 
> He gets many many of these "soft errors".  But it makes the system unusable.
> 
> It worked perfectly on my machine.
> 
> Any ideas?  (We have not re-verified the disk is still OK by putting it
> back in my machine, though.)

I got the same problem here with 20G IBM , seems that my motherboard (asus
p5a) with acer chipset has some problems on ultra dma .


works fine with a kernel compiled with :
wd*     at pciide? channel ? drive ? flags 0x0fac



Tom

-- 
=============================+===========================
Tom Javen                    |   Innotrac Diagnostics Oy
email tom.javen@innotrac.fi  |   Finland
gsm   +358-40-5860532        |   phone +358-2-2410025
                             |   fax   +358-2-2410024
=============================+===========================