
PROBLEM: (90561) (PATCH ID: OSF520-195)
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Fixes a problem where I/O greater than 4MB fails to KZPCC devices with
error ENODEV.


PROBLEM: (90140) (PATCH ID: OSF520-169)
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This problem exhibits itself as failed open calls during periods of
heavy IO activity. The open calls typically fail with an error code
of IO Error (EIO).
A sample output shows:

 The failed command is within a test script and is:
         disklabel -r dsk18c
 This command exited with status 4 and printed:
         disklabel: dsk18c: I/O error
 From disklabel.c, it looks like this means that the open() failed with
 EIO.


PROBLEM: (CH_G04572) (PATCH ID: OSF520-708)
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There was a change in the ioctl used by the setsysinfo system call handler 
when we went from v4.0 and 5.0a to v5.1. This ioctl had not been implemented 
for the KZPCC driver. This caused consvar -s bootdef_dev to fail when used 
against KZPCC disks.



