intpm: multiple salves, collision [solved]

Andriy Gapon avg at freebsd.org
Fri Mar 13 08:16:25 PDT 2009


on 13/03/2009 16:29 Andriy Gapon said the following:
> 
> Sorry for the noise, the problem seems to be in misbehavior on part of one of the
> slaves used by the original program. I wrote a minimalistic test program and ran
> it for several different combinations of slaves - the issue only occurs if a
> certain slave is accessed, no problems for any other slaves.
> I wonder what could be wrong with that slave.
> 

Mystery is cleared - I should have used READW to access that slave. The slave is a
little bit sloppy - it accepts READB but replies with two bytes of data, and its
documentation implies that READB can be used, but I should have known better.

-- 
Andriy Gapon


More information about the freebsd-hackers mailing list