Subject: Re: More about the recent panic
To: Charles M. Hannum <email@example.com>
From: Jukka Marin <firstname.lastname@example.org>
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? :)
---> http://www.jmp.fi/~jmarin/ <---