Date: Tue, 07 Mar 1995 10:46:14 -0800 From: Steven Wallace <swallace@ece.uci.edu> Cc: current@FreeBSD.org Subject: Re: How to deadlock your -current system Message-ID: <199503071846.AA27658@balboa.eng.uci.edu> In-Reply-To: Your message of "Tue, 07 Mar 1995 06:27:44 EST." <199503071127.GAA02337@starkhome.cs.sunysb.edu>
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This looks like the mmap() ing problem into a sparse file I reported earlier. If you create a file and seek to someplace else without writing data and then try to map those holes, your system is surely to crash, as your program does. Also there is a problem if you try to mmap() a file with one process and then another process mmap() that file with a different non-page offset, your system will freeze after you quit and do some swapping activity. Steven
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