Subject: Re: More about the recent panic
To: Charles M. Hannum <mycroft@mit.edu>
From: Jukka Marin <jmarin@pyy.jmp.fi>
List: tech-kern
Date: 09/06/1996 09:19:52
> Well, this is reasonably straightforward. Basically, you've mmap(2)ed
> the file, and you're trying to write its contents back out to itself.
> vn_write() locks the file to prevent simultaneous writes. When FFS
> tries to copy the data in later, it gets a page fault, and it tries to
> page in the data. Unfortunately, since the file is already locked,
> you lose.
Er, is someone doing something about this problem now? :)
-jm
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