From owner-freebsd-hackers  Tue Apr 15 11:15:26 1997
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To: John Polstra <jdp@polstra.com>
cc: hackers@freebsd.org
Subject: Re: mmap vs. disk errors 
In-reply-to: Your message of "Tue, 15 Apr 1997 09:51:15 PDT."
             <199704151651.JAA04914@austin.polstra.com> 
From: David Greenman <dg@root.com>
Reply-To: dg@root.com
Date: Tue, 15 Apr 1997 11:16:33 -0700
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>What happens if an application has a file mapped into memory and tries
>to access part of it, but the kernel can't bring the pages into memory
>because of a disk error (bad block in the file)?

   You get a vnode pager error and your application ends up with a SIGBUS.

-DG

David Greenman
Core-team/Principal Architect, The FreeBSD Project