At 8:29 Uhr -0800 18.1.2006, Chuck Silvers wrote:
>On Tue, Jan 17, 2006 at 08:29:56PM +0100, Hauke Fath wrote:
>> Folklore has it that there are SCSI devices that work with one but not the
>> other, or vice versa (or none, like a Sun branded Seagate 420 MB disk I
>> have around).
>
>what does that seagate disk do with the sbc driver with flags 7?

I'd have to check. With one driver, the machine drowns in parity errors
while going multi-user, and with the other it gets little further. The
flags should be settable with gdb, no?

>> > the MI driver is 50% faster and uses 1/3 less CPU time than the MD driver.
>>
>> Is it? Which machine, which disk, which benchmark? You are aware that a
>> busy NetBSD/mac68k loses time so badly that any benchmark data is to be
>> taken with a spoon of salt?  ;)
>
>it's a Mac IIci.  the disk is:
>sd0 at scsibus0 target 0 lun 0: <FUJITSU, M2616S, 1003> disk fixed
>sd0: 100 MB, 1544 cyl, 4 head, 33 sec, 512 bytes/sect x 205086 sectors

Hm, fairly slow disk. I have a few old disks here, mostly Quantums, a
Conner and the odd IBM. It may take some time until I can come up with
data, though - still struggling with getting netbsd-2 stable.

	hauke

--
"It's never straight up and down"     (DEVO)