Date: Mon, 12 Aug 1996 09:16:39 -0700 (MST) From: Terry Lambert <terry@lambert.org> To: gpalmer@FreeBSD.ORG (Gary Palmer) Cc: lmcsato@lmc.ericsson.se, hackers@FreeBSD.ORG Subject: Re: machine crashing, what panic: free means? Message-ID: <199608121616.JAA25398@phaeton.artisoft.com> In-Reply-To: <28182.839817357@orion.webspan.net> from "Gary Palmer" at Aug 11, 96 10:35:57 pm
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> > Samy Touati wrote in message ID > > Does anybody knows what a free panic means? > > We didn't charge you for it. > > :-) 8-). Generally, it means that something was freed twice. THis is a bad thing. Typically, you can get this from reallocating vnodes by rolling off the top of the freelist back to the tail. There is an off-by-1 error that will let this happen. I think newer versions of the OS (you didn't identify your version) had my patch rolled in (it was a kludge in the vfs_subr.c; you can get the patch from the -current list archive on www.freebsd.org -- or update your code). Terry Lambert terry@lambert.org --- Any opinions in this posting are my own and not those of my present or previous employers.
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