From owner-freebsd-bugs@FreeBSD.ORG Fri Jul 16 18:19:04 2010 Return-Path: Delivered-To: freebsd-bugs@hub.freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2001:4f8:fff6::34]) by hub.freebsd.org (Postfix) with ESMTP id 175211065677; Fri, 16 Jul 2010 18:19:04 +0000 (UTC) (envelope-from brucec@FreeBSD.org) Received: from freefall.freebsd.org (freefall.freebsd.org [IPv6:2001:4f8:fff6::28]) by mx1.freebsd.org (Postfix) with ESMTP id E27E18FC19; Fri, 16 Jul 2010 18:19:03 +0000 (UTC) Received: from freefall.freebsd.org (localhost [127.0.0.1]) by freefall.freebsd.org (8.14.4/8.14.4) with ESMTP id o6GIJ3ff007159; Fri, 16 Jul 2010 18:19:03 GMT (envelope-from brucec@freefall.freebsd.org) Received: (from brucec@localhost) by freefall.freebsd.org (8.14.4/8.14.4/Submit) id o6GIJ3rS007155; Fri, 16 Jul 2010 18:19:03 GMT (envelope-from brucec) Date: Fri, 16 Jul 2010 18:19:03 GMT Message-Id: <201007161819.o6GIJ3rS007155@freefall.freebsd.org> To: bruce@cran.org.uk, brucec@FreeBSD.org, freebsd-bugs@FreeBSD.org From: brucec@FreeBSD.org Cc: Subject: Re: bin/148687: [geom] gpart prints invalid partition number when destroying X-BeenThere: freebsd-bugs@freebsd.org X-Mailman-Version: 2.1.5 Precedence: list List-Id: Bug reports List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Fri, 16 Jul 2010 18:19:04 -0000 Synopsis: [geom] gpart prints invalid partition number when destroying State-Changed-From-To: open->open State-Changed-By: brucec State-Changed-When: Fri Jul 16 18:14:58 UTC 2010 State-Changed-Why: This actually appears to be kernel memory corruption: soon afterwards I found that gpart was crashing with a segmentation fault and I then got a panic, apparently within bcopy called from the ipi nmi handler. After rebooting I found that the first few sectors of the disk had been overwritten with the contents of random files from my main disk. found that contents from some scripts were on da0. http://www.freebsd.org/cgi/query-pr.cgi?pr=148687