serious ncr 875 problem... please help.

Mark Lehrer (mark@lehrer.nlcomm.com)
Thu, 4 Jun 1998 14:05:28 -0400

I am having a problem - whenever I write a lot of data to the only
drive on this controller, my system locks up - the scsi driver and
then the ide driver report timeouts for awhile and then the system
just goes away. mke2fs is a good way to make this happen; but if
mke2fs should succeed, mounting the partition and creating a 100MB
file does it for sure.

This is a weird one; what can cause it? I tried two different
drives and cables so far; before I tear everything apart and try
a new system and/or controller I want to see if this is a common
problem.

Why would a problem in the SCSI system also cause the IDE system to
go out? Is it disbling interrupts or anything weird like that?

More system info:

linux 2.0.33
ncr 53,8xx driver 5mhz sync, no tagged command queueing enabled.
CSC PCIDIFF controller; Seagate Barracuda drive.
AMD K6-200 w/32MB RAM

Thanks!
Mark

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