Subject: Re: More about the recent panic
To: Charles M. Hannum <>
From: Jukka Marin <>
List: current-users
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? :)



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