From owner-freebsd-current@FreeBSD.ORG Tue Jun 26 23:46:14 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 B58A8106564A; Tue, 26 Jun 2012 23:46:14 +0000 (UTC) (envelope-from kaduk@mit.edu) Received: from dmz-mailsec-scanner-5.mit.edu (DMZ-MAILSEC-SCANNER-5.MIT.EDU [18.7.68.34]) by mx1.freebsd.org (Postfix) with ESMTP id 4EC268FC0A; Tue, 26 Jun 2012 23:46:14 +0000 (UTC) X-AuditID: 12074422-b7f1f6d00000090b-4f-4fea48991856 Received: from mailhub-auth-1.mit.edu ( [18.9.21.35]) by dmz-mailsec-scanner-5.mit.edu (Symantec Messaging Gateway) with SMTP id 54.F6.02315.9984AEF4; Tue, 26 Jun 2012 19:41:13 -0400 (EDT) Received: from outgoing.mit.edu (OUTGOING-AUTH.MIT.EDU [18.7.22.103]) by mailhub-auth-1.mit.edu (8.13.8/8.9.2) with ESMTP id q5QNfBGt006051; Tue, 26 Jun 2012 19:41:11 -0400 Received: from multics.mit.edu (MULTICS.MIT.EDU [18.187.1.73]) (authenticated bits=56) (User authenticated as kaduk@ATHENA.MIT.EDU) by outgoing.mit.edu (8.13.6/8.12.4) with ESMTP id q5QNf8q7000063 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-SHA bits=256 verify=NOT); Tue, 26 Jun 2012 19:41:10 -0400 (EDT) Received: (from kaduk@localhost) by multics.mit.edu (8.12.9.20060308) id q5QNf7Nu007992; Tue, 26 Jun 2012 19:41:07 -0400 (EDT) Date: Tue, 26 Jun 2012 19:41:07 -0400 (EDT) From: Benjamin Kaduk To: ken@freebsd.org In-Reply-To: <4FE9D958.4000901@protected-networks.net> Message-ID: References: <4FE9D958.4000901@protected-networks.net> User-Agent: Alpine 1.10 (GSO 962 2008-03-14) MIME-Version: 1.0 Content-Type: TEXT/PLAIN; format=flowed; charset=US-ASCII X-Brightmail-Tracker: H4sIAAAAAAAAA+NgFvrIIsWRmVeSWpSXmKPExsUixCmqrDvT45W/wdpHXBYTrvxgslgwZS67 xapjT9gdmD1mfJrP4rFoykfGAKYoLpuU1JzMstQifbsErozjjcvYCp7KV2ybuJO1gbFPqouR k0NCwETi9Nt7bBC2mMSFe+uBbC4OIYF9jBLL2newQjgbGCX+NnxlB6kSEjjAJHGqvwYi0cAo 8fDjBmaQBIuAtsSJfZPAitgEVCRmvtkINlZEQFji9sqTYHFmAReJyas+gsWFgeyj308B9XJw cAqYSbT+9AEJ8wo4Sqx8ep0VYpepxJ/n25lAbFEBHYnV+6ewQNQISpyc+YQFYqSlxL+1v1gn MArOQpKahSS1gJFpFaNsSm6Vbm5iZk5xarJucXJiXl5qka6pXm5miV5qSukmRlDIsrso7WD8 eVDpEKMAB6MSD28Eyyt/IdbEsuLK3EOMkhxMSqK8P5yAQnxJ+SmVGYnFGfFFpTmpxYcYJTiY lUR4f+sC5XhTEiurUovyYVLSHCxK4rzXUm76CwmkJ5akZqemFqQWwWRlODiUJHjXuwM1Chal pqdWpGXmlCCkmTg4QYbzAA1fBFLDW1yQmFucmQ6RP8WoKCXO2weSEABJZJTmwfXCUsorRnGg V4R574JU8QDTEVz3K6DBTECDOTa9ABlckoiQkmpgNGyYcjiTlfWtzuLP+24sz+N87NLI/IdH q3B9bbmq4X27f2V7T01qfXzzwY52c9szWRZX0vltVu5Vr9iyuvbqtrdeS44tuuU4Z7ecY/Dd kr2P75dK7+l99NHoEuu8TWtrs1x3dB36fyH+jc+kIo5JDYEBtaecV7b9a2uRCVC0WT9x35mD u9IslZVYijMSDbWYi4oTAUg3844EAwAA Cc: Michael Butler , current@freebsd.org Subject: Re: 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 23:46:14 -0000 On Tue, 26 Jun 2012, Michael Butler wrote: > As follows, in "g_disk_providergone", a NULL pointer reference?: g_disk_providergone() is new in r237518 (by ken); ken cc'd. -Ben Kaduk > > 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) > _______________________________________________ > freebsd-current@freebsd.org mailing list > http://lists.freebsd.org/mailman/listinfo/freebsd-current > To unsubscribe, send any mail to "freebsd-current-unsubscribe@freebsd.org" >