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From: craig@tuna.progroup.com (Craig W. Shaver)
Message-Id: <199704102346.QAA04627@tuna.ProGroup.COM>
Subject: Re: NFS/mmap freeze in 2.2R
To: terry@lambert.org (Terry Lambert)
Date: Thu, 10 Apr 1997 16:46:19 -0700 (PDT)
Cc: current@freebsd.org
In-Reply-To: <199704102106.OAA09726@phaeton.artisoft.com> from "Terry Lambert" at Apr 10, 97 02:06:08 pm
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> 
> > While you are at it, maybe, you want to check this out also. We noticed we have 
del ...
> 
> Are you running the INN msync() patch?  There is an error in the INN
> use of mapped files when the file is extended.  The problem occurs when:
> 
> 1)	The file is not a multiple of a page size in length
> 2)	The file is mmap'ed, and the last page is zero filled
> 3)	The file is extended
> 4)	The mmap'ed area is accessed between the previous end of the
> 	file and the page boundry following the end of the file, without
> 	an intervening msync().
> 
> This is a bug in INN's use of the mmap() interface, not a FreeBSD bug.
> 
> 
> (If you are running the msync() patch, then never mind).

Terry, where can I find the INN msync() patch, and what version of INN
is it to be applied against?


Thanks,

-- 
Craig Shaver  (craig@progroup.com) (415)390-0654 
Productivity Group POB 60458 Sunnyvale, CA  94088