From owner-freebsd-smp Fri Mar 23 18:27: 5 2001 Delivered-To: freebsd-smp@freebsd.org Received: from meow.osd.bsdi.com (meow.osd.bsdi.com [204.216.28.88]) by hub.freebsd.org (Postfix) with ESMTP id 8F5E737B71B for ; Fri, 23 Mar 2001 18:26:42 -0800 (PST) (envelope-from jhb@FreeBSD.org) Received: from laptop.baldwin.cx (john@jhb-laptop.osd.bsdi.com [204.216.28.241]) by meow.osd.bsdi.com (8.11.2/8.11.2) with ESMTP id f2O2PwG30915; Fri, 23 Mar 2001 18:25:59 -0800 (PST) (envelope-from jhb@FreeBSD.org) Message-ID: X-Mailer: XFMail 1.4.0 on FreeBSD X-Priority: 3 (Normal) Content-Type: text/plain; charset=us-ascii Content-Transfer-Encoding: 8bit MIME-Version: 1.0 In-Reply-To: Date: Fri, 23 Mar 2001 18:26:08 -0800 (PST) From: John Baldwin To: Tom Duffey Subject: RE: More detailed debugging info for Netfinity SMP lock Cc: freebsd-smp@FreeBSD.org Sender: owner-freebsd-smp@FreeBSD.ORG Precedence: bulk X-Loop: FreeBSD.org On 23-Mar-01 Tom Duffey wrote: > Thanks to everyone for the help so far. This morning I upgraded the > system BIOS to the latest provided by IBM (v1.06) but still cannot boot > the system with an SMP enabled kernel. However, I enabled the kernel > debugger and came up with the following: > > stopped at atkbd_isa_intr+0x19; ret > stopped at Xresume1+0x35: cli > stopped at Xresume1+0x36: lock andl $-0x3,iactive > stopped at Xresume1+0x3e: pushl $0xc02e3140 > stopped at Xresume1+0x43: call s_lock > stopped at s_lock: movel 0x4(%esp),$edx > stopped at setlock: movel %fs:0x94,%ecx > stopped at setlock+0x7: incl %ecx > stopped at setlock+0x8: movl $0,%eax > stopped at setlock+0xd: lock cmpxchgl %ecx,0(%edx) > panic: rslock: cpu: 1, addr 0xc02e3140, lock: 0x01000001 > mp_lock = 01000003; cpuid = 1; lapic.id = 00000000 > Debugger("panic") > Stopped at Debugger+0x34: movb $0,in_Debugger,597 > db> Type 'trace' here to see where we are. It is recursing on a simplelock which is very bad. It is probably a kernel bug but could be something else. -- John Baldwin -- http://www.FreeBSD.org/~jhb/ PGP Key: http://www.baldwin.cx/~john/pgpkey.asc "Power Users Use the Power to Serve!" - http://www.FreeBSD.org/ To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-smp" in the body of the message