From owner-freebsd-current Tue Oct 13 12:52:46 1998 Return-Path: Received: (from majordom@localhost) by hub.freebsd.org (8.8.8/8.8.8) id MAA10326 for freebsd-current-outgoing; Tue, 13 Oct 1998 12:52:46 -0700 (PDT) (envelope-from owner-freebsd-current@FreeBSD.ORG) Received: from gratis.grondar.za (gratis.grondar.za [196.7.18.65]) by hub.freebsd.org (8.8.8/8.8.8) with ESMTP id MAA10311 for ; Tue, 13 Oct 1998 12:52:39 -0700 (PDT) (envelope-from mark@grondar.za) Received: from grondar.za (IDENT:akbs/1n0kPEY4dmbGVj9vEUQmp6VYftM@localhost [127.0.0.1]) by gratis.grondar.za (8.9.1/8.9.1) with ESMTP id VAA09544; Tue, 13 Oct 1998 21:51:55 +0200 (SAST) (envelope-from mark@grondar.za) Message-Id: <199810131951.VAA09544@gratis.grondar.za> To: "Justin T. Gibbs" cc: Neil Blakey-Milner , current@FreeBSD.ORG Subject: Re: Some SCSI(?) problems whilst running SMP In-Reply-To: Your message of " Tue, 13 Oct 1998 12:49:35 CST." <199810131849.MAA10377@narnia.plutotech.com> References: <199810131849.MAA10377@narnia.plutotech.com> Date: Tue, 13 Oct 1998 21:51:54 +0200 From: Mark Murray Sender: owner-freebsd-current@FreeBSD.ORG Precedence: bulk X-Loop: FreeBSD.ORG "Justin T. Gibbs" wrote: > Crap. I was hoping this problem had been resolved since the people who > usually complain about it (Hi Mark M.!) have been silent in recent months. I have been running in single-cpu mode to get Perl5 out. :-) (Hi!) > My guess is that the callout free list has become corrupted somehow, but > I don't know enough about our SMP implementation to know where to start > looking for re-entrancy problems. All reports I've seen of this problem > have been only under SMP and I don't have any SMP equipment here in order > to try and reproduce the problem with. Can you turn the printf in > sys/dev/aic7xxx/aic7xxx.c:ahc_timeout() into a panic, drop into GDB, and > examine the data structures in kern_timeout.c? I can still offer you a login on a box to do this if you like? I have the serial cable set up, and I've been practising doing this... M -- Mark Murray Join the anti-SPAM movement: http://www.cauce.org To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-current" in the body of the message