From owner-freebsd-hackers@FreeBSD.ORG Fri Jan 7 21:56:28 2011 Return-Path: Delivered-To: freebsd-hackers@freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2001:4f8:fff6::34]) by hub.freebsd.org (Postfix) with ESMTP id 270451065695 for ; Fri, 7 Jan 2011 21:56:28 +0000 (UTC) (envelope-from yanegomi@gmail.com) Received: from mail-wy0-f182.google.com (mail-wy0-f182.google.com [74.125.82.182]) by mx1.freebsd.org (Postfix) with ESMTP id F24C48FC1E for ; Fri, 7 Jan 2011 21:56:26 +0000 (UTC) Received: by wyf19 with SMTP id 19so18020676wyf.13 for ; Fri, 07 Jan 2011 13:56:26 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=gamma; h=domainkey-signature:mime-version:received:sender:received :in-reply-to:references:date:x-google-sender-auth:message-id:subject :from:to:cc:content-type:content-transfer-encoding; bh=Li8/s1buIc95VJViidtM+Hb1pD+myDY5a1LB6gXg0/M=; b=v+y9DWrekmQziQIJa0ngDAmaC9ApJiq351UcaY9oJnKvocpdZx5GTygGW0sxORWjtS mXyzSvAqJ6QG+7+MJKEnFHWJum7eO/Yl8qub3eWtfIt7h5sBd3CH4bY9FUPm+UlvwlQy vjWYMuPgX51ia+UHANYDEUiRY9UxUi01UjOZo= DomainKey-Signature: a=rsa-sha1; c=nofws; d=gmail.com; s=gamma; h=mime-version:sender:in-reply-to:references:date :x-google-sender-auth:message-id:subject:from:to:cc:content-type :content-transfer-encoding; b=j4sxBb1+WyCenEBZypVFfb2QAWHSwYroPd/y8RGaRvVlWOVbwawLkiqENxepxIvzL9 NxAlw4OH6w0nZUqztGCPH1yy8QBoFbFHjoN0dgOLaAicLK9pjTuM/vkv+g72JCjHeQu/ 2e9oNkQhZynJ4nGoUotPDufgsNuFz7qkUJ8nE= MIME-Version: 1.0 Received: by 10.227.162.197 with SMTP id w5mr16470204wbx.169.1294437386022; Fri, 07 Jan 2011 13:56:26 -0800 (PST) Sender: yanegomi@gmail.com Received: by 10.216.254.226 with HTTP; Fri, 7 Jan 2011 13:56:25 -0800 (PST) In-Reply-To: References: Date: Fri, 7 Jan 2011 13:56:25 -0800 X-Google-Sender-Auth: 0FWpo6CTFZNXFNatEmSyTbYu8qM Message-ID: From: Garrett Cooper To: Mark Saad Content-Type: text/plain; charset=ISO-8859-1 Content-Transfer-Encoding: quoted-printable Cc: freebsd-hackers@freebsd.org Subject: Re: With out ddb and kdb set 7.3-RELEASE amd64 does not boot. X-BeenThere: freebsd-hackers@freebsd.org X-Mailman-Version: 2.1.5 Precedence: list List-Id: Technical Discussions relating to FreeBSD List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Fri, 07 Jan 2011 21:56:28 -0000 On Fri, Jan 7, 2011 at 1:20 PM, Mark Saad wrote: > Hello hackers@, > =A0I have a good question that I cant find an answer for. I believe > found a kernel bug in 7.3-RELEASE that prevents me from booting 64-bit > kernels on HP's DL360 G4p . The kernel dies with "Fatal trap 12: page > fault while in kernel mode " . The hardware works fine in 7.2-RELEASE > amd64, 7.1-RELEASE amd64, and 6.4-RELEASE amd64 . > > In 7.3-RELEASE amd64 I can not boot from cd or pxe correctly using the > stock 7.3-RELEASE amd64 kernel however i386 works fine. To see if this > issue was some how fixed in 7.3-RELEASE-p4 amd64 I rebuilt a GENERIC > kernel using patches sources and tried to boot and I got the same > crash. > > =A0Next I rebuilt the kernel with KDB and DDB to see if I could get a > core-dump of the system. I also set loader.conf to > > kernel=3D"kernel.DEBUG" > kern.dumpdev=3D"/dev/da0s1b" > > Next I pxebooted =A0the box and the system does not crash on boot up, it > will easily load a nfs root and work fine. So I copied my debug > kernel, and loader.conf to the local disk and rebooted and it boots > fine from the local disk . > > Rebooting the server and running off the local disks and debug kernel, > I cant find any issues. > > Reboot the box into a GENERIC 7.3-RELEASE-p4 kernel and it crashes > > With this error > > Fatal trap 12: page fault while in kernel mode > cpuid =3D 0; apic id =3D 00 > fault virtual address =A0 =3D 0x0 > fault code =A0 =A0 =A0 =A0 =A0 =A0 =A0 =A0 =3D supervisor write data, pag= e not present > instruction pointer =A0 =A0 =3D 0x8:0xffffffff800070fa > stack pointer =A0 =A0 =A0 =A0 =A0 =A0=3D 0x10:0xffffffff8153cbe0 > frame pointer =A0 =A0 =A0 =A0 =A0 =A0=3D 0x10:0xffffffff8153cc50 > code segment =A0 =A0 =A0 =A0 =A0=3D base 0x0, limit 0xfffff, type 0x1b > =A0 =A0 =A0 =A0 =A0 =A0 =A0 =A0 =A0 =A0 =A0 =A0 =A0 =A0 =A0=3D DPL 0, pre= s 1, long 1, def32 0, gran 1 > processor eflags =A0 =A0 =A0=3D interrupt enabled, resume, IOPL =3D 0 > current process =A0 =A0 =A0 =3D 0 (swapper) > [thread pid 0 tid 100000 ] > Stopped at =A0 =A0 =A0bzero+0xa: =A0 =A0 repe stosq =A0 =A0 =A0 %es:(%rdi= ) > > > What do I do , has anyone else seen anything like this ? What are the messages before that on the kernel console and what are your drivers loaded on a stable system? Thanks, -Garrett