From owner-freebsd-current@freebsd.org Mon Jul 6 12:48:15 2015 Return-Path: Delivered-To: freebsd-current@mailman.ysv.freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2001:1900:2254:206a::19:1]) by mailman.ysv.freebsd.org (Postfix) with ESMTP id 243E2994E9E; Mon, 6 Jul 2015 12:48:15 +0000 (UTC) (envelope-from ler@lerctr.org) Received: from thebighonker.lerctr.org (thebighonker.lerctr.org [IPv6:2001:470:1f0f:3ad:223:7dff:fe9e:6e8a]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (Client CN "thebighonker.lerctr.org", Issuer "COMODO RSA Domain Validation Secure Server CA" (verified OK)) by mx1.freebsd.org (Postfix) with ESMTPS id 8DF2B1D7F; Mon, 6 Jul 2015 12:48:14 +0000 (UTC) (envelope-from ler@lerctr.org) DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lerctr.org; s=lerami; h=Message-ID:References:In-Reply-To:Subject:Cc:To:From:Date:Content-Transfer-Encoding:Content-Type:MIME-Version; bh=RNzZcWzKvOK8qAJxj12pnqKekJq4c58oFa7vOQnBP30=; b=vFBXYvcVDeqEbHHALvhY2HMFNgjf0mjOA9fH9XEd6PCldVr3eQHPQMx2ahyLLfRPn36O2Fe3lIuhd7p1hSAwSl6/gOJNN4MU0uTYHjqJZt7OWyIprwS/+wgQ7V5Hbl+xPwa2YOzzzhR1zaRPNeGok/cCr0QMAfHaKQfH/rGc/ng=; Received: from thebighonker.lerctr.org ([2001:470:1f0f:3ad:223:7dff:fe9e:6e8a]:15561 helo=webmail.lerctr.org) by thebighonker.lerctr.org with esmtpsa (TLSv1:DHE-RSA-AES128-SHA:128) (Exim 4.85 (FreeBSD)) (envelope-from ) id 1ZC5of-0002CD-AV; Mon, 06 Jul 2015 07:48:13 -0500 Received: from 104-54-221-134.lightspeed.austtx.sbcglobal.net ([104.54.221.134]) by webmail.lerctr.org with HTTP (HTTP/1.1 POST); Mon, 06 Jul 2015 07:48:09 -0500 MIME-Version: 1.0 Content-Type: text/plain; charset=US-ASCII; format=flowed Content-Transfer-Encoding: 7bit Date: Mon, 06 Jul 2015 07:48:09 -0500 From: Larry Rosenman To: "K. Macy" Cc: FreeBSD Current , owner-freebsd-current@freebsd.org Subject: Re: GPF on Current kernel In-Reply-To: References: <20150705213709.GA47209@borg.lerctr.org> Message-ID: <4eac33a36c1202d20be41e4cbc6b4d75@thebighonker.lerctr.org> X-Sender: ler@lerctr.org User-Agent: Roundcube Webmail/1.1.1 X-Spam-Score: -1.0 (-) X-LERCTR-Spam-Score: -1.0 (-) X-Spam-Report: SpamScore (-1.0/5.0) ALL_TRUSTED=-1,SHORTCIRCUIT=-0.0001 X-LERCTR-Spam-Report: SpamScore (-1.0/5.0) ALL_TRUSTED=-1, SHORTCIRCUIT=-0.0001 X-BeenThere: freebsd-current@freebsd.org X-Mailman-Version: 2.1.20 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: Mon, 06 Jul 2015 12:48:15 -0000 actually, the following are interesting further down: #13 0xffffffff808af473 in sys_write (td=0xdeadc0dedeadc116, uap=) at /usr/src/sys/kern/sys_generic.c:398 #14 0xffffffff80b57a6d in amd64_syscall (td=0xfffff80736fda4c0, traced=0) at subr_syscall.c:133 the td value. What would you suggest? This has become intermittent :( On 2015-07-06 00:42, K. Macy wrote: > The value of the mutex in the stack trace indicates that it's a use > after > free. There are various memory debugging options (memguard, redzone) > that > may help track it down. > > -K > On Jul 5, 2015 2:37 PM, "Larry Rosenman" wrote: > >> I've gotten a couple of these: >> >> borg.lerctr.org dumped core - see /var/crash/vmcore.3 >> >> Sun Jul 5 16:32:12 CDT 2015 >> >> FreeBSD borg.lerctr.org 11.0-CURRENT FreeBSD 11.0-CURRENT #1 r285159: >> Sun >> Jul 5 09:35:33 CDT 2015 >> root@borg.lerctr.org:/usr/obj/usr/src/sys/LER >> amd64 >> >> panic: general protection fault >> >> GNU gdb 6.1.1 [FreeBSD] >> Copyright 2004 Free Software Foundation, Inc. >> GDB is free software, covered by the GNU General Public License, and >> you >> are >> welcome to change it and/or distribute copies of it under certain >> conditions. >> Type "show copying" to see the conditions. >> There is absolutely no warranty for GDB. Type "show warranty" for >> details. >> This GDB was configured as "amd64-marcel-freebsd"... >> >> Unread portion of the kernel message buffer: >> >> >> Fatal trap 9: general protection fault while in kernel mode >> cpuid = 0; apic id = 00 >> instruction pointer = 0x20:0xffffffff8083a15f >> stack pointer = 0x28:0xfffffe100ca1d8a0 >> frame pointer = 0x28:0xfffffe100ca1d8e0 >> code segment = base 0x0, limit 0xfffff, type 0x1b >> = DPL 0, pres 1, long 1, def32 0, gran 1 >> processor eflags = interrupt enabled, resume, IOPL = 0 >> current process = 73971 (make) >> trap number = 9 >> panic: general protection fault >> cpuid = 0 >> KDB: stack backtrace: >> db_trace_self_wrapper() at db_trace_self_wrapper+0x2b/frame >> 0xfffffe100ca1d490 >> vpanic() at vpanic+0x189/frame 0xfffffe100ca1d510 >> panic() at panic+0x43/frame 0xfffffe100ca1d570 >> trap_fatal() at trap_fatal+0x355/frame 0xfffffe100ca1d5d0 >> trap() at trap+0x813/frame 0xfffffe100ca1d7e0 >> calltrap() at calltrap+0x8/frame 0xfffffe100ca1d7e0 >> --- trap 0x9, rip = 0xffffffff8083a15f, rsp = 0xfffffe100ca1d8a0, rbp >> = >> 0xfffffe100ca1d8e0 --- >> __mtx_lock_flags() at __mtx_lock_flags+0x4f/frame 0xfffffe100ca1d8e0 >> doselwakeup() at doselwakeup+0xb5/frame 0xfffffe100ca1d920 >> pipeselwakeup() at pipeselwakeup+0x46/frame 0xfffffe100ca1d940 >> pipe_write() at pipe_write+0x13d2/frame 0xfffffe100ca1d9f0 >> dofilewrite() at dofilewrite+0x8a/frame 0xfffffe100ca1da40 >> kern_writev() at kern_writev+0x68/frame 0xfffffe100ca1da90 >> sys_write() at sys_write+0x63/frame 0xfffffe100ca1dae0 >> amd64_syscall() at amd64_syscall+0x25d/frame 0xfffffe100ca1dbf0 >> Xfast_syscall() at Xfast_syscall+0xfb/frame 0xfffffe100ca1dbf0 >> --- syscall (4, FreeBSD ELF64, sys_write), rip = 0x45ae8a, rsp = >> 0x7fffffffd328, rbp = 0x7fffffffd350 --- >> Uptime: 6h39m51s >> Dumping 3186 out of 64460 >> MB:..1%..11%..21%..31%..41%..51%..61%..71%..81%..91% >> >> Reading symbols from /boot/kernel/zfs.ko.symbols...done. >> Loaded symbols for /boot/kernel/zfs.ko.symbols >> Reading symbols from /boot/kernel/opensolaris.ko.symbols...done. >> Loaded symbols for /boot/kernel/opensolaris.ko.symbols >> Reading symbols from /boot/kernel/linux.ko.symbols...done. >> Loaded symbols for /boot/kernel/linux.ko.symbols >> Reading symbols from /boot/kernel/linux_common.ko.symbols...done. >> Loaded symbols for /boot/kernel/linux_common.ko.symbols >> Reading symbols from /boot/kernel/if_lagg.ko.symbols...done. >> Loaded symbols for /boot/kernel/if_lagg.ko.symbols >> Reading symbols from /boot/kernel/snd_envy24ht.ko.symbols...done. >> Loaded symbols for /boot/kernel/snd_envy24ht.ko.symbols >> Reading symbols from /boot/kernel/snd_spicds.ko.symbols...done. >> Loaded symbols for /boot/kernel/snd_spicds.ko.symbols >> Reading symbols from /boot/kernel/coretemp.ko.symbols...done. >> Loaded symbols for /boot/kernel/coretemp.ko.symbols >> Reading symbols from /boot/kernel/ichsmb.ko.symbols...done. >> Loaded symbols for /boot/kernel/ichsmb.ko.symbols >> Reading symbols from /boot/kernel/smbus.ko.symbols...done. >> Loaded symbols for /boot/kernel/smbus.ko.symbols >> Reading symbols from /boot/kernel/ichwd.ko.symbols...done. >> Loaded symbols for /boot/kernel/ichwd.ko.symbols >> Reading symbols from /boot/kernel/cpuctl.ko.symbols...done. >> Loaded symbols for /boot/kernel/cpuctl.ko.symbols >> Reading symbols from /boot/kernel/cryptodev.ko.symbols...done. >> Loaded symbols for /boot/kernel/cryptodev.ko.symbols >> Reading symbols from /boot/kernel/dtraceall.ko.symbols...done. >> Loaded symbols for /boot/kernel/dtraceall.ko.symbols >> Reading symbols from /boot/kernel/profile.ko.symbols...done. >> Loaded symbols for /boot/kernel/profile.ko.symbols >> Reading symbols from /boot/kernel/dtrace.ko.symbols...done. >> Loaded symbols for /boot/kernel/dtrace.ko.symbols >> Reading symbols from >> /boot/kernel/systrace_freebsd32.ko.symbols...done. >> Loaded symbols for /boot/kernel/systrace_freebsd32.ko.symbols >> Reading symbols from /boot/kernel/systrace.ko.symbols...done. >> Loaded symbols for /boot/kernel/systrace.ko.symbols >> Reading symbols from /boot/kernel/sdt.ko.symbols...done. >> Loaded symbols for /boot/kernel/sdt.ko.symbols >> Reading symbols from /boot/kernel/lockstat.ko.symbols...done. >> Loaded symbols for /boot/kernel/lockstat.ko.symbols >> Reading symbols from /boot/kernel/fasttrap.ko.symbols...done. >> Loaded symbols for /boot/kernel/fasttrap.ko.symbols >> Reading symbols from /boot/kernel/fbt.ko.symbols...done. >> Loaded symbols for /boot/kernel/fbt.ko.symbols >> Reading symbols from /boot/kernel/dtnfscl.ko.symbols...done. >> Loaded symbols for /boot/kernel/dtnfscl.ko.symbols >> Reading symbols from /boot/kernel/dtmalloc.ko.symbols...done. >> Loaded symbols for /boot/kernel/dtmalloc.ko.symbols >> Reading symbols from /boot/modules/vboxdrv.ko...done. >> Loaded symbols for /boot/modules/vboxdrv.ko >> Reading symbols from /boot/modules/nvidia.ko...done. >> Loaded symbols for /boot/modules/nvidia.ko >> Reading symbols from /boot/kernel/ipmi.ko.symbols...done. >> Loaded symbols for /boot/kernel/ipmi.ko.symbols >> Reading symbols from /boot/kernel/ipmi_linux.ko.symbols...done. >> Loaded symbols for /boot/kernel/ipmi_linux.ko.symbols >> Reading symbols from /boot/kernel/radeonkms.ko.symbols...done. >> Loaded symbols for /boot/kernel/radeonkms.ko.symbols >> Reading symbols from /boot/kernel/iicbb.ko.symbols...done. >> Loaded symbols for /boot/kernel/iicbb.ko.symbols >> Reading symbols from /boot/kernel/iicbus.ko.symbols...done. >> Loaded symbols for /boot/kernel/iicbus.ko.symbols >> Reading symbols from /boot/kernel/iic.ko.symbols...done. >> Loaded symbols for /boot/kernel/iic.ko.symbols >> Reading symbols from /boot/kernel/drm2.ko.symbols...done. >> Loaded symbols for /boot/kernel/drm2.ko.symbols >> Reading symbols from >> /boot/kernel/radeonkmsfw_R100_cp.ko.symbols...done. >> Loaded symbols for /boot/kernel/radeonkmsfw_R100_cp.ko.symbols >> Reading symbols from /boot/kernel/uhid.ko.symbols...done. >> Loaded symbols for /boot/kernel/uhid.ko.symbols >> Reading symbols from /boot/modules/vboxnetflt.ko...done. >> Loaded symbols for /boot/modules/vboxnetflt.ko >> Reading symbols from /boot/kernel/netgraph.ko.symbols...done. >> Loaded symbols for /boot/kernel/netgraph.ko.symbols >> Reading symbols from /boot/kernel/ng_ether.ko.symbols...done. >> Loaded symbols for /boot/kernel/ng_ether.ko.symbols >> Reading symbols from /boot/modules/vboxnetadp.ko...done. >> Loaded symbols for /boot/modules/vboxnetadp.ko >> #0 doadump (textdump=1) at pcpu.h:221 >> 221 pcpu.h: No such file or directory. >> in pcpu.h >> (kgdb) #0 doadump (textdump=1) at pcpu.h:221 >> #1 0xffffffff80855d55 in kern_reboot (howto=260) >> at /usr/src/sys/kern/kern_shutdown.c:447 >> #2 0xffffffff80856348 in vpanic (fmt=, >> ap=) at /usr/src/sys/kern/kern_shutdown.c:744 >> #3 0xffffffff80856393 in panic (fmt=0x0) >> at /usr/src/sys/kern/kern_shutdown.c:675 >> #4 0xffffffff80b57275 in trap_fatal (frame=, >> eva=) at /usr/src/sys/amd64/amd64/trap.c:853 >> #5 0xffffffff80b56f03 in trap (frame=) >> at /usr/src/sys/amd64/amd64/trap.c:201 >> #6 0xffffffff80b37142 in calltrap () >> at /usr/src/sys/amd64/amd64/exception.S:235 >> #7 0xffffffff8083a15f in __mtx_lock_flags (c=0xdeadc0dedeadc116, >> opts=0, >> file=0xffffffff80da2bc8 "/usr/src/sys/kern/sys_generic.c", >> line=1808) >> at /usr/src/sys/kern/kern_mutex.c:211 >> #8 0xffffffff808b1b25 in doselwakeup (sip=0xfffff8019bd5b0b8, >> pri=104) >> at /usr/src/sys/kern/sys_generic.c:1808 >> #9 0xffffffff808b4b86 in pipeselwakeup (cpipe=0xfffff8019bd5b000) >> at /usr/src/sys/kern/sys_pipe.c:622 >> #10 0xffffffff808b3892 in pipe_write (fp=0xfffff80027c3d280, >> uio=, active_cred=, >> flags=1808, >> td=0xfffff80736fda4c0) at /usr/src/sys/kern/sys_pipe.c:1314 >> #11 0xffffffff808af7da in dofilewrite (td=0xfffff80736fda4c0, fd=1, >> fp=0xfffff80027c3d280, auio=0xfffffe100ca1dab0, >> offset=, flags=0) at file.h:310 >> #12 0xffffffff808af4e8 in kern_writev (td=0xfffff80736fda4c0, fd=1, >> auio=0xfffffe100ca1dab0) at /usr/src/sys/kern/sys_generic.c:485 >> #13 0xffffffff808af473 in sys_write (td=0xdeadc0dedeadc116, >> uap=) at /usr/src/sys/kern/sys_generic.c:398 >> #14 0xffffffff80b57a6d in amd64_syscall (td=0xfffff80736fda4c0, >> traced=0) >> at subr_syscall.c:133 >> #15 0xffffffff80b3742b in Xfast_syscall () >> at /usr/src/sys/amd64/amd64/exception.S:395 >> #16 0x000000000045ae8a in ?? () >> Previous frame inner to this frame (corrupt stack?) >> Current language: auto; currently minimal >> (kgdb) >> >> Ideas? >> >> >> FreeBSD borg.lerctr.org 11.0-CURRENT FreeBSD 11.0-CURRENT #1 r285159: >> Sun >> Jul 5 09:35:33 CDT 2015 >> root@borg.lerctr.org:/usr/obj/usr/src/sys/LER >> amd64 1100077 1100077 >> -- >> Larry Rosenman http://www.lerctr.org/~ler >> Phone: +1 214-642-9640 E-Mail: ler@lerctr.org >> US Mail: 108 Turvey Cove, Hutto, TX 78634-5688 >> _______________________________________________ >> 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" >> > _______________________________________________ > 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" -- Larry Rosenman http://www.lerctr.org/~ler Phone: +1 214-642-9640 E-Mail: ler@lerctr.org US Mail: 108 Turvey Cove, Hutto, TX 78634-5688