From owner-freebsd-current@FreeBSD.ORG Fri May 6 07:32:59 2005 Return-Path: Delivered-To: freebsd-current@freebsd.org Received: from mx1.FreeBSD.org (mx1.freebsd.org [216.136.204.125]) by hub.freebsd.org (Postfix) with ESMTP id 9E2A916A4CE for ; Fri, 6 May 2005 07:32:59 +0000 (GMT) Received: from smtp812.mail.sc5.yahoo.com (smtp812.mail.sc5.yahoo.com [66.163.170.82]) by mx1.FreeBSD.org (Postfix) with SMTP id 729E443D8D for ; Fri, 6 May 2005 07:32:59 +0000 (GMT) (envelope-from noackjr@alumni.rice.edu) Received: from unknown (HELO optimator.noacks.org) (noacks@swbell.net@70.240.205.64 with login) by smtp812.mail.sc5.yahoo.com with SMTP; 6 May 2005 07:32:59 -0000 Received: from localhost (localhost [127.0.0.1]) by optimator.noacks.org (Postfix) with ESMTP id 12DC160F3 for ; Fri, 6 May 2005 02:32:58 -0500 (CDT) Received: from optimator.noacks.org ([127.0.0.1]) by localhost (optimator.noacks.org [127.0.0.1]) (amavisd-new, port 10024) with LMTP id 00612-04 for ; Fri, 6 May 2005 02:32:55 -0500 (CDT) Received: from compgeek.noacks.org (compgeek [192.168.1.10]) by optimator.noacks.org (Postfix) with ESMTP id 3F76160D5 for ; Fri, 6 May 2005 02:32:55 -0500 (CDT) Received: from [127.0.0.1] (localhost [127.0.0.1]) by compgeek.noacks.org (8.13.3/8.13.3) with ESMTP id j467Wspb000876 for ; Fri, 6 May 2005 02:32:54 -0500 (CDT) (envelope-from noackjr@alumni.rice.edu) Message-ID: <427B1DA1.3050901@alumni.rice.edu> Date: Fri, 06 May 2005 02:32:49 -0500 From: Jonathan Noack User-Agent: Mozilla Thunderbird 1.0.2 (X11/20050428) X-Accept-Language: en-us, en MIME-Version: 1.0 To: freebsd-current@freebsd.org X-Enigmail-Version: 0.91.0.0 OpenPGP: id=991D8195; url=http://www.noacks.org/cert/noackjr.asc Content-Type: multipart/signed; micalg=pgp-sha1; protocol="application/pgp-signature"; boundary="------------enigCE9AF51537BF36CB7080D55E" X-Virus-Scanned: amavisd-new at noacks.org Subject: panic: vm_fault: fault on nofault entry X-BeenThere: freebsd-current@freebsd.org X-Mailman-Version: 2.1.1 Precedence: list Reply-To: noackjr@alumni.rice.edu List-Id: Discussions about the use of FreeBSD-current List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Fri, 06 May 2005 07:32:59 -0000 This is an OpenPGP/MIME signed message (RFC 2440 and 3156) --------------enigCE9AF51537BF36CB7080D55E Content-Type: text/plain; charset=ISO-8859-1; format=flowed Content-Transfer-Encoding: 7bit For the last few days I have been getting a panic while probing devices (a kernel from "Mon May 2 20:36:06 CDT 2005" works fine): ad4: 76319MB at ata2-master UDMA100 ad6: 76319MB at ata3-master UDMA100 unknown: WARNING - INQUIRY UDMA ICRC error (retrying request) unknown: WARNING - INQUIRY requeued due to channel reset unknown: WARNING - INQUIRY read data overrun 18>0 panic: vm_fault: fault on nofault entry, addr: deadc000 KDB: stack backtrace: panic(c06c86f0,deadc000,1,e35e3b0c,e35e3afc) at panic+0x13a vm_fault(c103b000,deadc000,1,0,c227f900) at vm_fault+0x1440 trap_pfault(deadc31e,c05077c0,c070ede0,32c,deadc31e) at trap_pfault+0x82 trap(8,c0710028,c2340028,2d2,0) at trap+0x353 calltrap() at calltrap+0x5 --- trap 0xc, eip = 0xc04eb7b1, esp = 0xe35e3c1c, ebp = 0xe35e3c40 --- _mtx_lock_flags(deadc31e,0,c06a8d9c,2d2,c) at _mtx_lock_flags+0x2c atapi_cb(c25014b0,e35e3ca0,c04eb997,c227649c,1) at atapi_cb+0x68 ata_completed(c25014b0,1,c06b6c45,d7,c227649c) at ata_completed+0x114 taskqueue_run(c2276480,0,c06b16b5,256,c070ede0) at taskqueue_run+0x8b ithread_loop(c2276400,e35e3d38,c06b1496,30d,c2276400) at ithread_loop+0x1ff fork_exit(c04deb26,c2276400,e35e3d38) at fork_exit+0xa1 fork_trampoline() at fork_trampoline+0x8 --- trap 0x1, eip = 0, esp = 0xe35e3d6c, ebp = 0 --- KDB: enter: panic [thread pid 43 tid 100032 ] Stopped at kdb_enter+0x32: leave db> reset Normally that section looks like this: ad4: 76319MB at ata2-master UDMA100 ad6: 76319MB at ata3-master UDMA100 da0 at asr0 bus 0 target 0 lun 0 da0: Fixed Direct Access SCSI-2 device da0: Tagged Queueing Enabled da0: 35003MB (71686144 512 byte sectors: 255H 63S/T 4462C) cd0 at ata0 bus 0 target 0 lun 0 cd0: Removable CD-ROM SCSI-0 device cd0: 3.300MB/s transfers cd0: Attempt to query device size failed: NOT READY, Medium not present ATA PseudoRAID loaded ar0: 76293MB status: READY ar0: disk0 READY (master) using ad4 at ata2-master ar0: disk1 READY (mirror) using ad6 at ata3-master Trying to mount root from ufs:/dev/da0s2a This is trivially reproducible so if anyone needs more information from ddb just ask and I'll reboot... -- Jonathan Noack | noackjr@alumni.rice.edu | OpenPGP: 0x991D8195 --------------enigCE9AF51537BF36CB7080D55E Content-Type: application/pgp-signature; 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