From owner-freebsd-current@freebsd.org Mon Mar 28 12:36:20 2016 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 B4F24ADFEDF for ; Mon, 28 Mar 2016 12:36:20 +0000 (UTC) (envelope-from david@catwhisker.org) Received: from mailman.ysv.freebsd.org (unknown [127.0.1.3]) by mx1.freebsd.org (Postfix) with ESMTP id A187517DD for ; Mon, 28 Mar 2016 12:36:20 +0000 (UTC) (envelope-from david@catwhisker.org) Received: by mailman.ysv.freebsd.org (Postfix) id 9CEFFADFEDE; Mon, 28 Mar 2016 12:36:20 +0000 (UTC) Delivered-To: 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 9A641ADFEDD for ; Mon, 28 Mar 2016 12:36:20 +0000 (UTC) (envelope-from david@catwhisker.org) Received: from albert.catwhisker.org (mx.catwhisker.org [198.144.209.73]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (Client did not present a certificate) by mx1.freebsd.org (Postfix) with ESMTPS id 5D1C717DC for ; Mon, 28 Mar 2016 12:36:19 +0000 (UTC) (envelope-from david@catwhisker.org) Received: from albert.catwhisker.org (localhost [127.0.0.1]) by albert.catwhisker.org (8.15.2/8.15.2) with ESMTP id u2SCaDIm015169 for ; Mon, 28 Mar 2016 12:36:13 GMT (envelope-from david@albert.catwhisker.org) Received: (from david@localhost) by albert.catwhisker.org (8.15.2/8.15.2/Submit) id u2SCaDBB015168 for current@freebsd.org; Mon, 28 Mar 2016 05:36:13 -0700 (PDT) (envelope-from david) Date: Mon, 28 Mar 2016 05:36:13 -0700 From: David Wolfskill To: current@freebsd.org Subject: Panic after update from r297313 -> r297348 Message-ID: <20160328123613.GI4205@albert.catwhisker.org> Mail-Followup-To: David Wolfskill , current@freebsd.org MIME-Version: 1.0 Content-Type: multipart/signed; micalg=pgp-sha512; protocol="application/pgp-signature"; boundary="MPkR1dXiUZqK+927" Content-Disposition: inline User-Agent: Mutt/1.5.24 (2015-08-30) X-BeenThere: freebsd-current@freebsd.org X-Mailman-Version: 2.1.21 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, 28 Mar 2016 12:36:20 -0000 --MPkR1dXiUZqK+927 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline Content-Transfer-Encoding: quoted-printable Unfortunately, the serial console only seemed to be echoing characters in quasi-random spurts, yielding such things as: =2E.. r() at lcpu_initcpu_initclocks_bsp+0x37f/frame 0xffffffff820dbb40 initclocks() at initclocks+0x20/frame 0xffffffff820dbb50 mi_start+0x2c Tracing td 0xffc_et_start+0x2d9/frame 0xffffffff820dbaa0 loadtimer() at lrame 0xf configtsp() at clocks_bsp+0x37f/frame 0xffffffff82= 0dbb40 initclocks() at initclocks+0x20/ Tracing pid 0 tid 100000 td 0xffffffff81d11200 lapic_et_start()c_et_start+0x2d9/frame 0xffffffff820dbaa0 +0x2cimeoadtimer+0x102/frame 0xf20dbac0 db>=20 pid 0 tid 100000 td 0xffffffff81d11200 lapic_et_start() at lapic_et_start+0x2d9xffffffff820dbaa0 loadtimer() at loadtimer+0x102/frame 0xffffffff8imer+0x239/frame 0xffffffff= 820dbb10 cpu_initsp() at f820dbb7pid 0 ti td 0xffffffff81_start()c_et_staf820dbaa0 r() at loadtimer+0x102/ffffffff8 configtimer() atcpu_initxfffffffpid 0 tif82= 0dbaa0| |___ _ __ ___ ___ | |_) | (___ | | | ___| '__/ _ \/ _ \| _ < \= ___ \| | | |dtimer() at loadtimer+0x102/frame 0xffffffff8 0xffffffff820dbb= 10 c| | | | | __/ __/| |_) |____) | |__| | b| | | | \___|\|200 configtimer() at configtimer+0x239/frame 0xffffffff820dbb10 cpu_initclocks_bcpu_initsp+0x37f/frame 0f820dbb40 initclocks() at initclocks+0x20/frame 0x820dbb50 mi_startup() at mi_startup+0x118/frame 0 Tracing d 100000lapic_et_start() at lapic_et_start+0x2d9sp+0x37f+0x2c db> 0 0xffffffff820dbsp+0x37ff820dbb4ks() at=20 mi_startup() at up+0x118/frame 0xffffffff820dbb70 btext() at btext+0x2c db> bd 100000+0x102/frame 0xfcpu_initframe 0xffffffff+0x2c pic [K]ernel (1 of 2) r|m 6.bConfigure Boot [O]ptions... H| vpanic+0x182/frame 0xffffffff820db4a0+ db_commaf0 .-- =20 sp+0x37f0/frame 0xffffffff820db6kdb_trapf820d .---.....----.______ = ____ _____ _____ ____| | _ \ / ____| __ \=20 bte =20 Uptime: 1s = -c0+0x4db8+0x15eef8+0x8+0x]+-y+:. `:` at which point I had already (semi-blindly) tried "panic", so I tried "reset", then I was able to escape to the loader, unload the new kernel, boot the previous one, move the various kernel* difrectories around in /boot, then reboot again to old kernel: FreeBSD freebeast.catwhisker.org 11.0-CURRENT FreeBSD 11.0-CURRENT #2028 r= 297313M/297313:1100104: Sun Mar 27 06:27:24 PDT 2016 root@freebeast.cat= whisker.org:/common/S4/obj/usr/src/sys/GENERIC amd64 I'm still building on my laptop; while I hope I don't have the character- dropping issues there (as I have no serial console on it), I also don't have much of a way to communicate what it displays if it (also) panics. Apparently my attempt at "panic" didn't get a crash dump.. :-( Any suggestions for diagnosing this? Peace, david --=20 David H. Wolfskill david@catwhisker.org Those who would murder in the name of God or prophet are blasphemous coward= s. See http://www.catwhisker.org/~david/publickey.gpg for my public key. --MPkR1dXiUZqK+927 Content-Type: application/pgp-signature; name="signature.asc" -----BEGIN PGP SIGNATURE----- Version: GnuPG v2 iQF8BAEBCgBmBQJW+SU8XxSAAAAAAC4AKGlzc3Vlci1mcHJAbm90YXRpb25zLm9w ZW5wZ3AuZmlmdGhob3JzZW1hbi5uZXRDQ0I3Q0VGOTE3QTgwMUY0MzA2NEQ3N0Ix NTM5Q0M0MEEwNDlFRTE3AAoJEBU5zECgSe4XKysIAICkya4S0xrJQ1zGg8AaCNQ/ tLFYULBiVISK4WPUkaBiGKrg4heM3POnFNZ4NUgn0w/qZs1yqJUmXsPOn5RShchL 0EwsfBCVnWFZWGbNB420MCIkSRNKXLK4Ir51B372LNK74zVYzsmReS749YJ2JPb3 OmwVBT8Vc3mN53CKiLJXfT3iX3R08UTOwO2IrugO2bY+LYprUcyuDBt8CgFnQ8NX Lqx5Bz+ENRNiU4SrrnIz9oduDPnJ8cL1URRxTsCcSV4RuEQJM1wMwWp0EQt0A7Pp BlOMD5hxL666lj05BG5MjKkGkgw8bVHnSqsqUkaZOlhyfYQ9sJXU1e8/rZps27E= =ABBO -----END PGP SIGNATURE----- --MPkR1dXiUZqK+927--