From owner-freebsd-current Sat Sep 28 06:21:10 1996 Return-Path: owner-current Received: (from root@localhost) by freefall.freebsd.org (8.7.5/8.7.3) id GAA04868 for current-outgoing; Sat, 28 Sep 1996 06:21:10 -0700 (PDT) Received: from irz301.inf.tu-dresden.de (irz301.inf.tu-dresden.de [141.76.1.11]) by freefall.freebsd.org (8.7.5/8.7.3) with SMTP id GAA04826 for ; Sat, 28 Sep 1996 06:21:06 -0700 (PDT) Received: from sax.sax.de (sax.sax.de [193.175.26.33]) by irz301.inf.tu-dresden.de (8.6.12/8.6.12-s1) with ESMTP id PAA19343 for ; Sat, 28 Sep 1996 15:20:59 +0200 Received: (from uucp@localhost) by sax.sax.de (8.6.12/8.6.12-s1) with UUCP id PAA06642 for freebsd-current@FreeBSD.org; Sat, 28 Sep 1996 15:20:59 +0200 Received: (from j@localhost) by uriah.heep.sax.de (8.7.5/8.6.9) id OAA01664 for freebsd-current@FreeBSD.org; Sat, 28 Sep 1996 14:30:58 +0200 (MET DST) From: J Wunsch Message-Id: <199609281230.OAA01664@uriah.heep.sax.de> Subject: Re: RAM parity error To: freebsd-current@FreeBSD.org (FreeBSD-current users) Date: Sat, 28 Sep 1996 14:30:58 +0200 (MET DST) In-Reply-To: <199609180316.UAA11084@root.com> from David Greenman at "Sep 17, 96 08:16:07 pm" X-Phone: +49-351-2012 669 X-PGP-Fingerprint: DC 47 E6 E4 FF A6 E9 8F 93 21 E0 7D F9 12 D6 4E X-Mailer: ELM [version 2.4ME+ PL17 (25)] MIME-Version: 1.0 Content-Type: text/plain; charset=US-ASCII Content-Transfer-Encoding: 7bit Sender: owner-current@FreeBSD.org X-Loop: FreeBSD.org Precedence: bulk As David Greenman wrote: > *Very* interesting... > > >#4 0xf01b4b61 in calltrap () > >#5 0xf0194652 in scsi_scsi_cmd () > >#6 0xf0198269 in sdstart () > > I'll bet that the real traceback has a "#4.5" that is ahc_scsi_cmd(). gdb > often doesn't decode the traceback correctly since it doesn't deal with > trapframes correctly. Btw., the handbook section about kernel debugging describes a procedure how to trace over the `calltrap' frame. Basically, you need to recompile trap.c with -g support, then (gdb) up 3 (gdb) frame frame->tf_ebp frame->tf_eip -- cheers, J"org joerg_wunsch@uriah.heep.sax.de -- http://www.sax.de/~joerg/ -- NIC: JW11-RIPE Never trust an operating system you don't have sources for. ;-)