From owner-freebsd-bugs Fri Mar 23 9:20:27 2001 Delivered-To: freebsd-bugs@hub.freebsd.org Received: from freefall.freebsd.org (freefall.freebsd.org [216.136.204.21]) by hub.freebsd.org (Postfix) with ESMTP id 38C8C37B71A for ; Fri, 23 Mar 2001 09:20:01 -0800 (PST) (envelope-from gnats@FreeBSD.org) Received: (from gnats@localhost) by freefall.freebsd.org (8.11.1/8.11.1) id f2NHK1896121; Fri, 23 Mar 2001 09:20:01 -0800 (PST) (envelope-from gnats) Received: from mail.yadt.co.uk (yadt.demon.co.uk [158.152.4.134]) by hub.freebsd.org (Postfix) with SMTP id 906CB37B71D for ; Fri, 23 Mar 2001 09:16:19 -0800 (PST) (envelope-from davidt@yadt.co.uk) Received: (qmail 3829 invoked from network); 23 Mar 2001 17:16:18 -0000 Received: from gattaca.local.yadt.co.uk (HELO mail.gattaca.yadt.co.uk) (qmailr@10.0.0.2) by xfiles.yadt.co.uk with SMTP; 23 Mar 2001 17:16:18 -0000 Received: (qmail 40409 invoked by uid 1000); 23 Mar 2001 17:16:17 -0000 Message-Id: <20010323171617.40408.qmail@gattaca.yadt.co.uk> Date: 23 Mar 2001 17:16:17 -0000 From: davidt@yadt.co.uk Reply-To: davidt@yadt.co.uk To: FreeBSD-gnats-submit@freebsd.org X-Send-Pr-Version: 3.113 Subject: kern/26031: 4.3-BETA crashes on 'mount /dev/acd0c /mnt/cd' Sender: owner-freebsd-bugs@FreeBSD.ORG Precedence: bulk X-Loop: FreeBSD.org >Number: 26031 >Category: kern >Synopsis: 4.3-BETA crashes on 'mount /dev/acd0c /mnt/cd' >Confidential: no >Severity: critical >Priority: medium >Responsible: freebsd-bugs >State: open >Quarter: >Keywords: >Date-Required: >Class: sw-bug >Submitter-Id: current-users >Arrival-Date: Fri Mar 23 09:20:00 PST 2001 >Closed-Date: >Last-Modified: >Originator: David Taylor >Release: FreeBSD 4.3-BETA i386 >Organization: >Environment: System: FreeBSD gattaca.yadt.co.uk 4.3-BETA FreeBSD 4.3-BETA #3: Tue Mar 6 18:39:44 GMT 2001 davidt@gattaca.yadt.co.uk:/usr/obj/usr/src/sys/GATTACA i386 ad0: 32634MB [66305/16/63] at ata0-master UDMA33 acd0: DVD-ROM at ata1-master using WDMA2 acd1: CD-RW at ata1-slave using UDMA33 Dell Dimension XPS T-800r PIII-800, 256Mb RAM... I'm not sure what else is relevant... >Description: The following command works fine, so I know the CD-ROM drive/CD/etc are OK mount -t cd9660 /dev/acd0c /mnt/cd However, mount /dev/acd0c /mnt/cd # Note: no -t cd9660 causes the following panic: IdlePTD 3657728 initial pcb at 2e2a00 panicstr: vm_fault: fault on nofault entry, addr: c7c11000 panic messages: --- panic: vm_fault: fault on nofault entry, addr: c7c11000 #0 dumpsys () at /usr/src/sys/kern/kern_shutdown.c:469 #1 0xc014af55 in boot (howto=256) at /usr/src/sys/kern/kern_shutdown.c:309 #2 0xc014b2ed in panic ( fmt=0xc027a080 "vm_fault: fault on nofault entry, addr: %lx") at /usr/src/sys/kern/kern_shutdown.c:556 #3 0xc01e39c6 in vm_fault (map=0xc02eb30c, vaddr=3357331456, fault_type=3 '\003', fault_flags=0) at /usr/src/sys/vm/vm_fault.c:240 #4 0xc0247602 in trap_pfault (frame=0xcd718f10, usermode=0, eva=3357331456) at /usr/src/sys/i386/i386/trap.c:833 #5 0xc02471ef in trap (frame={tf_fs = 16, tf_es = 16, tf_ds = -1072365552, tf_edi = -937635840, tf_esi = 2352, tf_ebp = -848195744, tf_isp = -848195780, tf_ebx = -1054105728, tf_edx = 368, tf_ecx = 304, tf_eax = -1058161152, tf_trapno = 12, tf_err = 2, tf_eip = -1071495692, tf_cs = 8, tf_eflags = 2163202, tf_esp = -1054105728, tf_ss = -1057923520}) at at /usr/src/sys/i386/i386/trap.c:443 #6 0xc02245f4 in atapi_read (request=0xc12b9f80, length=2352) at machine/cpufunc.h:222 #7 0xc02240b2 in atapi_interrupt (request=0xc12b9f80) at /usr/src/sys/dev/ata/atapi-all.c:385 #8 0xc021dae1 in ata_intr (data=0xc0edbe00) at /usr/src/sys/dev/ata/ata-all.c:1150 I've also seen: #6 0xc02245f4 in atapi_read (request=0xc148b480, length=2352) at machine/cpufunc.h:222 #7 0xc02240b2 in atapi_interrupt (request=0xc148b480) at /usr/src/sys/dev/ata/atapi-all.c:385 #8 0xc021dae1 in ata_intr (data=0xc0edbe00) at /usr/src/sys/dev/ata/ata-all.c:1150 and #12 0xc02245f4 in atapi_read (request=0xc122d380, length=2352) at machine/cpufunc.h:222 #13 0xc02240b2 in atapi_interrupt (request=0xc122d380) at /usr/src/sys/dev/ata/atapi-all.c:385 #14 0xc021dae1 in ata_intr (data=0xc0edbe00) at /usr/src/sys/dev/ata/ata-all.c:1150 which all seem quite similar... i've still got a few of the crashdumps around if anyone needs more information from them... This happens (AFAICS) on every CD I attempt to mount (audio CD, data CD, CD-R, CD-RW, etc) When I was originally trying to mount a CD-RW disk, I also saw messages like: "kernel: ata1-master: too many segments in DMA table" I'm not sure if that's because it was a CD-RW which FreeBSD didn't understand, or if it's related to the bug that caused the panic.. 'acd0: READ_CD commmand timeout - resetting' appeared on the console each time after the panic, but just before the dump. >How-To-Repeat: Insert a CD into your first CD-ROM drive Try to do mount /dev/acd0c /mnt FreeBSD should then crash... although I'm sure there must be something unique about my environment.. >Fix: >Release-Note: >Audit-Trail: >Unformatted: To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-bugs" in the body of the message