From owner-freebsd-current@FreeBSD.ORG Wed Sep 3 14:08:53 2014 Return-Path: Delivered-To: freebsd-current@freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2001:1900:2254:206a::19:1]) (using TLSv1 with cipher ADH-AES256-SHA (256/256 bits)) (No client certificate requested) by hub.freebsd.org (Postfix) with ESMTPS id D070243D for ; Wed, 3 Sep 2014 14:08:53 +0000 (UTC) Received: from mail-pa0-f47.google.com (mail-pa0-f47.google.com [209.85.220.47]) (using TLSv1 with cipher ECDHE-RSA-RC4-SHA (128/128 bits)) (Client CN "smtp.gmail.com", Issuer "Google Internet Authority G2" (verified OK)) by mx1.freebsd.org (Postfix) with ESMTPS id A1F7C1DB1 for ; Wed, 3 Sep 2014 14:08:53 +0000 (UTC) Received: by mail-pa0-f47.google.com with SMTP id hz1so17585241pad.34 for ; Wed, 03 Sep 2014 07:08:52 -0700 (PDT) X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20130820; h=x-gm-message-state:content-type:mime-version:subject:from :in-reply-to:date:cc:content-transfer-encoding:message-id:references :to; bh=NBJLGjiwU0cYFciweA59Z8gNNOWxvhW26eVR5UQxOUE=; b=QK9d0keKjfTSc1YfFkCewbWBUiuJZ3CBwbFYRRDnDIMxI0RvHuDtGbCWz5jX1Bea2b fst7RnzpkhFbcDE8jcgrDEvtHD3E63lr6zHkQk1eyNt/Xnog3kTixj0SSzH2FZkIcqTA IN1CGcDSRha87vJEUH69GTR4M0u3F2yFy3ncyAXW4q0Bx0j1YzY7Gh0LorDi49YuGXpn BxbAxJMJkKcoPCtkc0sHQg+O0pUgeChJCt5H0FI7RQH5//8soZj+6gb6euvBJ7J8+pvq IH9RmmTp1UjzcNw9jDkmFsbWhzp7XM1/6LPBTW8YslSrBeW9bnnFgfdHUgInWSJ2wktS pYfQ== X-Gm-Message-State: ALoCoQm4nJ43T7TLKsFsAoIm7RGtbR8GQ2eitJH0V1A8Rth0SXKyCxb/Nt0013YaPTmk4Mb0/frJ X-Received: by 10.67.1.99 with SMTP id bf3mr57692899pad.110.1409753332457; Wed, 03 Sep 2014 07:08:52 -0700 (PDT) Received: from [192.168.1.100] (c-24-6-220-224.hsd1.ca.comcast.net. [24.6.220.224]) by mx.google.com with ESMTPSA id b9sm6965742pbu.91.2014.09.03.07.08.51 for (version=TLSv1 cipher=ECDHE-RSA-RC4-SHA bits=128/128); Wed, 03 Sep 2014 07:08:51 -0700 (PDT) Content-Type: text/plain; charset=windows-1252 Mime-Version: 1.0 (Mac OS X Mail 7.3 \(1878.6\)) Subject: Re: panic on boot From: Tim Kientzle In-Reply-To: Date: Wed, 3 Sep 2014 07:08:49 -0700 Content-Transfer-Encoding: quoted-printable Message-Id: References: To: Garrett Cooper X-Mailer: Apple Mail (2.1878.6) Cc: AN , FreeBSD Current X-BeenThere: freebsd-current@freebsd.org X-Mailman-Version: 2.1.18-1 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: Wed, 03 Sep 2014 14:08:54 -0000 On Sep 3, 2014, at 6:51 AM, Tim Kientzle wrote: >=20 > On Sep 2, 2014, at 1:13 PM, Garrett Cooper = wrote: >=20 >> On Tue, Sep 2, 2014 at 9:47 AM, AN wrote: >>> FreeBSD FBSD11 11.0-CURRENT FreeBSD 11.0-CURRENT #47 r269949: Wed = Aug 13 >>> 14:18:28 EDT 2014 root@FBSD11:/usr/obj/usr/src/sys/MYKERNEL = amd64 >>>=20 >>> Trying to rebuild the system at r270973 >>> I get a kernel panic on boot. I am able to boot into kernel.old at = r269949 >>> and the system is functional. Is anyone else seeing a panic on boot = at a >>> recent svn update? >>=20 >> Could you please provide the traceback? >=20 > I=92m also seeing panics at boot on BBB (armv6) with a kernel built = from r270779. Old kernel from r270339 still works. Here=92s what I=92m seeing at boot on BBB with r270779: =85 usual kernel boot messages ... Trying to mount root from ufs:/dev/mmcsd0s2a [rw,noatime]... warning: no time-of-day clock registered, system time will not be set = accurately Setting hostuuid: aeaa664b-1739-11e4-8e30-7c669d6ce14d. Setting hostid: 0x0318d0fa. No suitable dump device was found. Entropy harvesting: interrupts ethernet point_to_point swi. Starting file system checks: /dev/mmcsd0s2a: FILE SYSTEM CLEAN; SKIPPING CHECKS /dev/mmcsd0s2a: clean, 1982743 free (62311 frags, 240054 blocks, 1.6% = fragmentation) Mounting local file systems:. /etc/rc: WARNING: $swapfile is obsolete. Ignored. Writing entropy file:. Setting hostname: bb-blue. cpsw0: link state changed to DOWN Starting Network: lo0 cpsw0. lo0: flags=3D8049 metric 0 mtu 16384 options=3D600003 inet6 ::1 prefixlen 128=20 inet6 fe80::1%lo0 prefixlen 64 scopeid 0x2=20 inet 127.0.0.1 netmask 0xff000000=20 nd6 options=3D21 cpsw0: flags=3D8843 metric 0 mtu = 1500 options=3D8000b ether 7c:66:9d:6c:e1:4d media: Ethernet autoselect (none) status: no carrier nd6 options=3D29 Starting devd. panic: Undefined instruction in kernel. KDB: enter: panic [ thread pid 284 tid 100069 ] Stopped at $d: ldrb r15, [r15, r15, ror r15]! db> bt Tracing pid 284 tid 100069 td 0xc2b15c80 db_trace_self() at db_trace_self pc =3D 0xc054d7a8 lr =3D 0xc0231ab8 (db_stack_trace+0xf4) sp =3D 0xde69d2f8 fp =3D 0xde69d310 r10 =3D 0xc0939838 db_stack_trace() at db_stack_trace+0xf4 pc =3D 0xc0231ab8 lr =3D 0xc0231428 (db_command+0x270) sp =3D 0xde69d318 fp =3D 0xde69d3b8 r4 =3D 0x00000000 r5 =3D 0x00000000 r6 =3D 0x00000000 db_command() at db_command+0x270 pc =3D 0xc0231428 lr =3D 0xc023118c (db_command_loop+0x60) sp =3D 0xde69d3c0 fp =3D 0xde69d3d0 r4 =3D 0xc059585e r5 =3D 0xc05b04e3 r6 =3D 0xc0939824 r7 =3D 0xc064fa38 r8 =3D 0xc06958e4 r9 =3D 0xc06958e0 db_trap() at db_trap+0xd8 pc =3D 0xc0233b54 lr =3D 0xc039e894 (kdb_trap+0xbc) sp =3D 0xde69d500 fp =3D 0xde69d520 r4 =3D 0x00000000 r5 =3D 0x00000001 r6 =3D 0xc0695908 r7 =3D 0xc064fa38 kdb_trap() at kdb_trap+0xbc pc =3D 0xc039e894 lr =3D 0xc0563c80 = (undefinedinstruction+0x298) sp =3D 0xde69d528 fp =3D 0xde69d598 r4 =3D 0x00000000 r5 =3D 0x00000000 r6 =3D 0xc0563938 r7 =3D 0xe7ffffff r8 =3D 0xc2b15c80 r9 =3D 0xc039e164 r10 =3D 0xde69d5a0 undefinedinstruction() at undefinedinstruction+0x298 pc =3D 0xc0563c80 lr =3D 0xc054f490 (exception_exit) sp =3D 0xde69d5a0 fp =3D 0xde69d5f8 r4 =3D 0xc05b0538 r5 =3D 0xde69d634 r6 =3D 0xc05dc349 r7 =3D 0xc0687e28 r8 =3D 0xc2b15c80 r9 =3D 0xc093b1dc r10 =3D 0xc0687c90 exception_exit() at exception_exit pc =3D 0xc054f490 lr =3D 0xc039e158 (kdb_enter+0x40) sp =3D 0xde69d5f0 fp =3D 0xde69d5f8 r0 =3D 0xc06958f4 r1 =3D 0x00000000 r2 =3D 0xc05b3eac r3 =3D 0x000000aa r4 =3D 0xc05b0538 r5 =3D 0xde69d634 r6 =3D 0xc05dc349 r7 =3D 0xc0687e28 r8 =3D 0xc2b15c80 r9 =3D 0xc093b1dc r10 =3D 0xc0687c90 r12 =3D 0x00000000 $a() at $a pc =3D 0xc039e168 lr =3D 0xc03675a0 (vpanic+0xb4) sp =3D 0xde69d600 fp =3D 0xde69d620 r4 =3D 0x00000100 vpanic() at vpanic+0xb4 pc =3D 0xc03675a0 lr =3D 0xc0367604 (kproc_shutdown) sp =3D 0xde69d628 fp =3D 0xde69d62c r4 =3D 0x00000000 r5 =3D 0x00000000 r6 =3D 0xc0563938 r7 =3D 0xe28fc600 r8 =3D 0xc2b15c80 r9 =3D 0xc2eb1bd8 r10 =3D 0xde69d6b8 kproc_shutdown() at kproc_shutdown pc =3D 0xc0367604 lr =3D 0xc0939610 (gdb_uh) sp =3D 0xde69d634 fp =3D 0xde69d6b0 r4 =3D 0xc0367604 r5 =3D 0xde69d634 Unknown entry: 0 gdb_uh() at gdb_uh pc =3D 0xc0939610 lr =3D 0xc0939610 (gdb_uh) sp =3D 0xde69d634 fp =3D 0xde69d6b0 Unable to unwind into user mode