Rimfire 3200 driver wanted for SunOs 4.0

Charles Hedrick hedrick at geneva.rutgers.edu
Sun Nov 6 09:23:47 AEST 1988


I am sending diffs to fix the Ciprico 3200 driver for a Sun 4.  We did
report these problems to Ciprico, so I'm surprised they haven't fix
them.  The problem is that some of the kernel memory management
primitives don't guarantee to return you blocks that are aligned to 4
byte boundaries.  So if you don't take this into account, you get
crashes.  Whether you have a problem depends upon what other devices
you have.  The xt tape driver is known to allocate blocks that are not
a multiple of 4, thus causing trouble to Ciprico's driver.  It's
possible that on Ciprico's test machine, their driver works fine.
This public followup is in case the diffs disappear going across the
Atlantic.  At least you know they're coming.



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