SUMMARY: Writeback error

From: Len Evens (
Date: Fri Aug 16 1991 - 11:02:00 CDT

        A while back, I asked for information on what might be
causing error messages indicating among other things a
`writeback' error when attempting to install OS 4.1.1 on a
Sun 4/260. I got many interesting responses, and the issue
arose again in another context in another posting. It
turned out in our case that the problem was
a hardware problem involving virtual memory. Since the
machine was functioning (more or less) under OS 4.0.3,
we waited to have it repaired. We finally have done that,
and everything now works. The CPU board was repaired by
Apex quite efficiently. They told me they found some
`loose wires'!

        This or related problems can also arise if there is
an fstab entry for swap space (which was not true in our case.)

Leonard Evens 708-491-5537
Dept. of Mathematics, Northwestern Univ., Evanston, IL 60208

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