From owner-freebsd-questions Wed Oct 9 11:32:40 1996 Return-Path: owner-questions Received: (from root@localhost) by freefall.freebsd.org (8.7.5/8.7.3) id LAA19093 for questions-outgoing; Wed, 9 Oct 1996 11:32:40 -0700 (PDT) Received: from kalypso.iqm.unicamp.br (kalypso.iqm.unicamp.br [143.106.13.10]) by freefall.freebsd.org (8.7.5/8.7.3) with ESMTP id LAA19085 for ; Wed, 9 Oct 1996 11:32:37 -0700 (PDT) Received: (from vazquez@localhost) by kalypso.iqm.unicamp.br (8.8.0/8.7.3/FreeBSD/2.1.5) id QAA10012 for questions@freebsd.org; Wed, 9 Oct 1996 16:31:26 GMT From: Pedro A M Vazquez Message-Id: <199610091631.QAA10012@kalypso.iqm.unicamp.br> Subject: page fault while in kernel mode To: questions@freebsd.org Date: Wed, 9 Oct 1996 16:31:26 +0000 () X-Mailer: ELM [version 2.4 PL24] Content-Type: text Sender: owner-questions@freebsd.org X-Loop: FreeBSD.org Precedence: bulk After a power failure a P166 with 32M RAM/1.6G IDE HD which worked fine for months running large quantum chemistry calculations ( avg 30M of memory and ~500M of scratch files) started to panic allways when l401.exe (one of the quantum chem calculations packages)is running: (this is a hand made copy) Idelazil Cristina do Nasciment said: > From ide@fluorescence.iqm.unicamp.br Wed Oct 9 16:22:04 1996 > From: Idelazil Cristina do Nasciment > Subject: mensagem de erro > To: vazquez@fluorescence.iqm.unicamp.br (Pedro A. M. Vazquez) > > > fatal trap 12: page fault while in kernel mode > fault virtual adress: 0x8 > fault code: supervisor read, page not present > instruction pointer: 0x8:f01a16f2 > code segment: base 0x0 limit 0xfffff, type 0x1b > = DPL0, pres 1, def 32 1, gran 1 > processor eflags: interrupt enabled, resume, IOPL=0 > current process: 179(l401.exe) > interrupt masc > panic: page fault > A new copy of l401.exe was made and the memory test program, streams, was run several times with several memory sizes withou panicing the system. Without running l401.exe the system stays up forever. Any ideas? Thanks Pedro