From owner-freebsd-stable@FreeBSD.ORG Fri Jan 18 20:30:44 2008 Return-Path: Delivered-To: freebsd-stable@freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2001:4f8:fff6::34]) by hub.freebsd.org (Postfix) with ESMTP id E9BBC16A468 for ; Fri, 18 Jan 2008 20:30:44 +0000 (UTC) (envelope-from jhb@freebsd.org) Received: from speedfactory.net (mail.speedfactory.net [66.23.216.219]) by mx1.freebsd.org (Postfix) with ESMTP id 8907413C4DD for ; Fri, 18 Jan 2008 20:30:44 +0000 (UTC) (envelope-from jhb@freebsd.org) Received: from server.baldwin.cx (unverified [66.23.211.162]) by speedfactory.net (SurgeMail 3.8s) with ESMTP id 228991212-1834499 for multiple; Fri, 18 Jan 2008 15:28:51 -0500 Received: from localhost.corp.yahoo.com (john@localhost [127.0.0.1]) (authenticated bits=0) by server.baldwin.cx (8.13.8/8.13.8) with ESMTP id m0IKUXpW095528; Fri, 18 Jan 2008 15:30:34 -0500 (EST) (envelope-from jhb@freebsd.org) From: John Baldwin To: Pete French Date: Fri, 18 Jan 2008 12:57:29 -0500 User-Agent: KMail/1.9.7 References: In-Reply-To: MIME-Version: 1.0 Content-Type: text/plain; charset="iso-8859-15" Content-Transfer-Encoding: 7bit Content-Disposition: inline Message-Id: <200801181257.29253.jhb@freebsd.org> X-Greylist: Sender succeeded SMTP AUTH authentication, not delayed by milter-greylist-2.0.2 (server.baldwin.cx [127.0.0.1]); Fri, 18 Jan 2008 15:30:34 -0500 (EST) X-Virus-Scanned: ClamAV 0.91.2/5495/Fri Jan 18 12:03:36 2008 on server.baldwin.cx X-Virus-Status: Clean X-Spam-Status: No, score=-4.3 required=4.2 tests=ALL_TRUSTED,AWL,BAYES_00, SUBJ_HAS_UNIQ_ID autolearn=ham version=3.1.3 X-Spam-Checker-Version: SpamAssassin 3.1.3 (2006-06-01) on server.baldwin.cx Cc: freebsd-stable@freebsd.org Subject: Re: panic: vm_fault: fault on nofualt entry, addr: 81423000 X-BeenThere: freebsd-stable@freebsd.org X-Mailman-Version: 2.1.5 Precedence: list List-Id: Production branch of FreeBSD source code List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Fri, 18 Jan 2008 20:30:45 -0000 On Friday 18 January 2008 11:48:10 am Pete French wrote: > > So it appears to be dying here: > > > > (gdb) l *madt_probe+0x119 > > 0xc06e7c69 is in madt_probe (/usr/src/sys/i386/acpica/madt.c:241). > > 236 if (xsdt == NULL) { > > 237 if (bootverbose) > > 238 printf("MADT: Failed to map XSDT\n"); > > 239 return (ENXIO); > > 240 } > > 241 count = (xsdt->Length - sizeof(ACPI_TABLE_HEADER)) / > > 242 sizeof(UINT64); > > 243 for (i = 0; i < count; i++) > > 244 if (madt_probe_table(xsdt->TableOffsetEntry[i])) > > 245 break; > > > > where it reads 'xsdt->Length'. xsdt was just mapped into a temporary part of > > KVA (used for kernel dumps) a few lines earlier: > > O.K., that is interesting, because my source code doesnt look like thiat, > mine uses 'xsdt->Header.Length' instead of 'xsdt->Length' - is that > code above from 7.0 ? That doesn't matter actually. > > You can try adding some printfs to see what the values of 'rsdp->XsdtPhysicalAddress' and > > 'xsdt' after the call to madt_map_table() are. Actually, try this perhaps: > > Thanks for the patch - it didn;t help matters unfortunately, but I am > adding some printfs on xsdt itself and also rsdp->XsdtPhysicalAddress to > see what we get. Hmm, ok. -- John Baldwin