From owner-freebsd-current@FreeBSD.ORG Mon Jul 29 17:54:39 2013 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 ESMTP id 21C4ACD5 for ; Mon, 29 Jul 2013 17:54:39 +0000 (UTC) (envelope-from neelnatu@gmail.com) Received: from mail-ob0-x233.google.com (mail-ob0-x233.google.com [IPv6:2607:f8b0:4003:c01::233]) (using TLSv1 with cipher ECDHE-RSA-RC4-SHA (128/128 bits)) (No client certificate requested) by mx1.freebsd.org (Postfix) with ESMTPS id DFC872585 for ; Mon, 29 Jul 2013 17:54:38 +0000 (UTC) Received: by mail-ob0-f179.google.com with SMTP id fb19so1077380obc.10 for ; Mon, 29 Jul 2013 10:54:38 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20120113; h=mime-version:in-reply-to:references:date:message-id:subject:from:to :cc:content-type; bh=ZhqLYS/OPlbKro5p7q2c+yxxqnFFAUQaBzGxz4UOtNo=; b=PKQIPclHOIjlzYozz5+Q7/n2EdSxq12Njj8Sv7zgdUTzh0xa72Ul5UY2j3O6s0bAwI M5TNtyLCeHLUSRvj2Rmon4o/sLd2I+/WSEZJmSJFfAvkAzKLrXWOI9FlnLZyUHk1qx3N K80pM6jeOdKwrmtAwmnc/QlyMeustzxPKVCNlgdT3+58GlPjLxzdZ62fPPm2otBE6dW2 kJkhP0SY9Rysi4b4c+mTctq+HIRmB2psLiMq7a8lexxOCDilKjRG3jnN9ilTtpohWzCR /+3X6Xmn7zNhkU/2ZivI2HOASbsU4ugMrSzEKFJ8QJ04s9EX8ShqMfvRrPmoIfUISmIS 6PxQ== MIME-Version: 1.0 X-Received: by 10.42.36.3 with SMTP id s3mr22058202icd.42.1375120478060; Mon, 29 Jul 2013 10:54:38 -0700 (PDT) Received: by 10.42.151.74 with HTTP; Mon, 29 Jul 2013 10:54:37 -0700 (PDT) In-Reply-To: <51F67694.1030800@protected-networks.net> References: <51E6EB0A.2060407@entel.upc.edu> <51EA5166.4020508@entel.upc.edu> <20130721071842.GZ5991@kib.kiev.ua> <51ED9001.4020809@protected-networks.net> <51F67694.1030800@protected-networks.net> Date: Mon, 29 Jul 2013 10:54:37 -0700 Message-ID: Subject: Re: Panic when starting X with Intel KMS From: Neel Natu To: Michael Butler Content-Type: text/plain; charset=ISO-8859-1 Cc: Konstantin Belousov , freebsd-current@freebsd.org X-BeenThere: freebsd-current@freebsd.org X-Mailman-Version: 2.1.14 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, 29 Jul 2013 17:54:39 -0000 Hi Michael, On Mon, Jul 29, 2013 at 7:05 AM, Michael Butler wrote: > -----BEGIN PGP SIGNED MESSAGE----- > Hash: SHA1 > > I wrote: > >> Post SVN r252653, I have experienced a similar problem but I'm not sure >> it's related .. > > This is related to SVN r252653 - reverting it solves the instances of > the panic detailed below. > > The recent modification to amd64 addresses the issue but does nothing to > help this CPU .. > > CPU: Genuine Intel(R) CPU T2300 @ 1.66GHz (1662.53-MHz > 686-class CPU) > Origin = "GenuineIntel" Id = 0x6e8 Family = 0x6 Model = 0xe > Stepping = 8 > > Features=0xbfe9fbff > Features2=0xc1a9 > TSC: P-state invariant, performance statistics > > .. which claims to have .. > > imb@toshi:/home/imb> sysctl vm.pmap > vm.pmap.pv_entry_count: 627756 > vm.pmap.pde.promotions: 20165 > vm.pmap.pde.p_failures: 44416 > vm.pmap.pde.mappings: 0 > vm.pmap.pde.demotions: 19659 > vm.pmap.shpgperproc: 200 > vm.pmap.pv_entry_max: 2000208 > vm.pmap.pg_ps_enabled: 1 > vm.pmap.pat_works: 1 > > Perhaps an equivalent patch to i386/pmap.c is appropriate here? > Let me take a look at the i386/pmap and get back to you. best Neel >> root@toshi:/var/crash # less info.1 >> Dump header from device /dev/ada0s3b >> Architecture: i386 >> Architecture Version: 2 >> Dump Length: 205541376B (196 MB) >> Blocksize: 512 >> Dumptime: Sat Jul 20 15:21:39 2013 >> Hostname: toshi.auburn.protected-networks.net >> Magic: FreeBSD Kernel Dump >> Version String: FreeBSD 10.0-CURRENT #5 r253505M: Sat Jul 20 14:48:32 >> EDT 2013 >> imb@toshi.auburn.protected-networks.net:/usr/obj/usr/src/sys/TOSHI >> Panic String: bad pte >> Dump Parity: 854235148 >> Bounds: 1 >> Dump Status: good >> >> root@toshi:/var/crash # kgdb /boot/kernel.old/kernel vmcore.1 >> >> [ snip ] >> >> #0 0xc07b814c in doadump () >> (kgdb) bt >> #0 0xc07b814c in doadump () >> #1 0xc07b86ec in kern_reboot () >> #2 0xc07b8b68 in panic () >> #3 0xc0b20b1d in pmap_remove_pages () >> #4 0xc0aa43dd in vmspace_exit () >> #5 0xc07814bf in exit1 () >> #6 0xc07ba5d5 in sigexit () >> #7 0xc07bd35f in postsig () >> #8 0xc0804e1b in ast () >> #9 0xc0b132b7 in doreti_ast () >> #10 0xf1633d08 in ?? () >> #11 0x2c00003b in ?? () >> # > -----BEGIN PGP SIGNATURE----- > Version: GnuPG v1.4.14 (FreeBSD) > > iEYEARECAAYFAlH2dpQACgkQQv9rrgRC1JKpagCfUTQI8XJigFB9OFWxk05oLnnA > onIAoJkBE0O5JoPx+Mz40JBCquBSfthD > =w566 > -----END PGP SIGNATURE----- > _______________________________________________ > 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"