From owner-freebsd-current@FreeBSD.ORG Tue Jun 26 15:46:43 2012 Return-Path: Delivered-To: current@FreeBSD.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2001:4f8:fff6::34]) by hub.freebsd.org (Postfix) with ESMTP id D3A5F1065670 for ; Tue, 26 Jun 2012 15:46:43 +0000 (UTC) (envelope-from imb@protected-networks.net) Received: from sarah.protected-networks.net (sarah.protected-networks.net [IPv6:2001:470:1f07:4e1::1]) by mx1.freebsd.org (Postfix) with ESMTP id 818B68FC0C for ; Tue, 26 Jun 2012 15:46:43 +0000 (UTC) Received: from toshi.auburn.protected-networks.net (toshi.auburn.protected-networks.net [202.12.127.84]) (using TLSv1 with cipher DHE-RSA-CAMELLIA256-SHA (256/256 bits)) (Client CN "Iain Butler", Issuer "RSA Class 2 Personal CA" (not verified)) (Authenticated sender: imb@protected-networks.net) by sarah.protected-networks.net (Postfix) with ESMTPSA id 2FB09613D for ; Tue, 26 Jun 2012 11:46:34 -0400 (EDT) DomainKey-Signature: a=rsa-sha1; s=200509; d=protected-networks.net; c=nofws; q=dns; h=message-id:date:from:user-agent:mime-version:to:subject: x-enigmail-version:openpgp:content-type:content-transfer-encoding; b=AF5ZpcLzgYZRLbIqqjxNbdVApYJvxIIBWmTv6Q4wxnHqfhQIYgBZWbckiCk63cWW4 6DVW4oEVhPPINZ9dzNE3s1VuSOO5MrlMt/WzSXGS9o5dclMYBxsrII1Bff5glxi Message-ID: <4FE9D958.4000901@protected-networks.net> Date: Tue, 26 Jun 2012 11:46:32 -0400 From: Michael Butler User-Agent: Mozilla/5.0 (X11; FreeBSD i386; rv:13.0) Gecko/20120619 Thunderbird/13.0.1 MIME-Version: 1.0 To: current@FreeBSD.org X-Enigmail-Version: 1.4.2 OpenPGP: id=0442D492 Content-Type: text/plain; charset=ISO-8859-1 Content-Transfer-Encoding: 7bit Cc: Subject: Removing an SDHC card causes a kernel panic on -current X-BeenThere: freebsd-current@freebsd.org X-Mailman-Version: 2.1.5 Precedence: list List-Id: Discussions about the use of FreeBSD-current List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Tue, 26 Jun 2012 15:46:44 -0000 As follows, in "g_disk_providergone", a NULL pointer reference?: imb@toshi:/home/imb> sudo less /var/crash/core.txt.4 toshi.auburn.protected-networks.net dumped core - see /var/crash/vmcore.4 Tue Jun 26 08:59:01 EDT 2012 FreeBSD toshi.auburn.protected-networks.net 10.0-CURRENT FreeBSD 10.0-CURRENT #12 r237599M: Tue Jun 26 07:52:01 EDT 2012 imb@toshi.auburn.protected-networks.net:/usr/obj/usr/home/imb/svn/head/sys/TOSHI i386 panic: page fault [ .. ] Unread portion of the kernel message buffer: sdhci0-slot0: Card removed mmc0: detached Fatal trap 12: page fault while in kernel mode cpuid = 1; apic id = 01 fault virtual address = 0x0 fault code = supervisor read, page not present instruction pointer = 0x20:0xc070a4bc stack pointer = 0x28:0xc6fb7c54 frame pointer = 0x28:0xc6fb7c54 code segment = base 0x0, limit 0xfffff, type 0x1b = DPL 0, pres 1, def32 1, gran 1 processor eflags = interrupt enabled, resume, IOPL = 0 current process = 14 (g_event) trap number = 12 panic: page fault cpuid = 1 Uptime: 7m8s Physical memory: 3045 MB Dumping 265 MB: 250 234 218 202 186 170 154 138 122 106 90 74 58 42 26 10 Reading symbols from /boot/kernel/drm.ko...Reading symbols from /boot/kernel/drm.ko.symbols...done. done. Loaded symbols for /boot/kernel/drm.ko Reading symbols from /boot/kernel/i915.ko...Reading symbols from /boot/kernel/i915.ko.symbols...done. done. Loaded symbols for /boot/kernel/i915.ko Reading symbols from /boot/modules/vboxdrv.ko...done. Loaded symbols for /boot/modules/vboxdrv.ko Reading symbols from /boot/modules/cuse4bsd.ko...done. Loaded symbols for /boot/modules/cuse4bsd.ko Reading symbols from /boot/modules/vboxnetflt.ko...done. Loaded symbols for /boot/modules/vboxnetflt.ko Reading symbols from /boot/modules/vboxnetadp.ko...done. Loaded symbols for /boot/modules/vboxnetadp.ko Reading symbols from /usr/local/modules/fuse.ko...done. Loaded symbols for /usr/local/modules/fuse.ko #0 doadump (textdump=1) at pcpu.h:244 244 pcpu.h: No such file or directory. in pcpu.h (kgdb) #0 doadump (textdump=1) at pcpu.h:244 #1 0xc07ae76c in kern_reboot (howto=260) at /usr/home/imb/svn/head/sys/kern/kern_shutdown.c:449 #2 0xc07aee41 in panic (fmt=0x104
) at /usr/home/imb/svn/head/sys/kern/kern_shutdown.c:637 #3 0xc0af13d1 in trap_fatal (frame=0xc6fb7c14, eva=40) at /usr/home/imb/svn/head/sys/i386/i386/trap.c:1022 #4 0xc0af16a8 in trap_pfault (frame=0xc6fb7c14, usermode=0, eva=0) at /usr/home/imb/svn/head/sys/i386/i386/trap.c:936 #5 0xc0af29ef in trap (frame=0xc6fb7c14) at /usr/home/imb/svn/head/sys/i386/i386/trap.c:546 #6 0xc0adcbdc in calltrap () at /usr/home/imb/svn/head/sys/i386/i386/exception.s:169 #7 0xc070a4bc in g_disk_providergone (pp=0xcb33ab80) at /usr/home/imb/svn/head/sys/geom/geom_disk.c:505 #8 0xc070f8ba in g_destroy_provider (pp=0xcb33ab80) at /usr/home/imb/svn/head/sys/geom/geom_subr.c:643 #9 0xc070fb6e in g_wither_washer () at /usr/home/imb/svn/head/sys/geom/geom_subr.c:462 #10 0xc070cb62 in g_run_events () at /usr/home/imb/svn/head/sys/geom/geom_event.c:289 #11 0xc077bd8b in fork_exit (callout=0xc070de54 , arg=0x0, frame=0xc6fb7d08) at /usr/home/imb/svn/head/sys/kern/kern_fork.c:995 #12 0xc0adcc84 in fork_trampoline () at /usr/home/imb/svn/head/sys/i386/i386/exception.s:276 (kgdb)