From owner-freebsd-current Fri Aug 1 09:16:43 1997 Return-Path: Received: (from root@localhost) by hub.freebsd.org (8.8.5/8.8.5) id JAA27277 for current-outgoing; Fri, 1 Aug 1997 09:16:43 -0700 (PDT) Received: from godzilla.zeta.org.au (godzilla.zeta.org.au [203.2.228.19]) by hub.freebsd.org (8.8.5/8.8.5) with ESMTP id JAA27270 for ; Fri, 1 Aug 1997 09:16:35 -0700 (PDT) Received: (from bde@localhost) by godzilla.zeta.org.au (8.8.5/8.6.9) id CAA16320; Sat, 2 Aug 1997 02:13:34 +1000 Date: Sat, 2 Aug 1997 02:13:34 +1000 From: Bruce Evans Message-Id: <199708011613.CAA16320@godzilla.zeta.org.au> To: current@FreeBSD.ORG, garyj@frt.dec.com Subject: Re: httpd in free(): warning: modified (page-) pointer. Sender: owner-freebsd-current@FreeBSD.ORG X-Loop: FreeBSD.org Precedence: bulk >wpaul@skynet.ctr.columbia.edu writes: >> Caveats: >> >> o With our gdb, it is sometimes difficult to use a core dump >> to properly debug things: you will be able to get a stack >> trace and locate the exact line in the source where the program >> died, however not all of the environment is preserved: variables >> are not properly reloaded with the values they posessed when >> the crash took place. If the program crashes while being run >... >has it always had this problem or did it start after the changes >in -current to eliminate the user structure ? This is probably the bug that started in FreeBSD-2.0 and was fixed a while ago (4.4BSDLite doesn't write vm_daddr to cores, and gdb was configured to use vm_daddr). Bruce