I've tried removing your check, for writing bonnie++ still reports
slower write times then IDE drive on the other system.  Daniel Phillips
was great at helping me notice a problem that was causing slow down
but not related to the aic7xxx driver, thus I am now trying the
7.4.8-ac8 kernel.
I made your change whe will get try to get my user to test the system
with and without your change.
     Sven
Justin T. Gibbs writes:
 > >Disk access is faster then before but still slower then the IDE
 > >drive.  Any ideas?
 > 
 > It could be the occasionall ordered tag that is sent to the drive to
 > prevent tag starvation.  If you search in drivers/scsi/aic7xxx/aic7xxx_linux.c
 > for "OTAG_THRESH" and make that if test always fail (add an "&& 0") you will
 > have effectively disabled this feature.  I should probably make it an option
 > that defaults to off.
 > 
 > --
 > Justin
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