From owner-freebsd-current@FreeBSD.ORG Sun May 9 03:54:43 2010 Return-Path: Delivered-To: freebsd-current@freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [69.147.83.52]) by hub.freebsd.org (Postfix) with ESMTP id CF0BB1065675 for ; Sun, 9 May 2010 03:54:43 +0000 (UTC) (envelope-from yuri.pankov@gmail.com) Received: from fg-out-1718.google.com (fg-out-1718.google.com [72.14.220.152]) by mx1.freebsd.org (Postfix) with ESMTP id 51A2E8FC16 for ; Sun, 9 May 2010 03:54:42 +0000 (UTC) Received: by fg-out-1718.google.com with SMTP id 22so216000fge.13 for ; Sat, 08 May 2010 20:54:42 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=gamma; h=domainkey-signature:received:received:received:received :x-authentication-warning:date:from:to:subject:message-id:references :mime-version:content-type:content-disposition :content-transfer-encoding:in-reply-to:user-agent; bh=gghKwcrN63/d9jmUcyqjs3kBASEHtyGLfXHA3nTscXc=; b=I2q4MPtJIVfvhZS+ubmH9Z/4QgWVSg8Ep8BIrPhmq385rgVzvrx2P5FeMH7lQV2wrf MO14sHyyX6TpcXjdYA50eobkXZYfGoTCmAkNUFu6aR7Jb+8uKXbsNKai1wp/ArrAUlF2 QFeI8TcmnUNSixhM3eti+NBHJFTkb+H/mN5e8= DomainKey-Signature: a=rsa-sha1; c=nofws; d=gmail.com; s=gamma; h=x-authentication-warning:date:from:to:subject:message-id:references :mime-version:content-type:content-disposition :content-transfer-encoding:in-reply-to:user-agent; b=SrWVgeE757hTHrv/NVVH4LEHUKzr/jJsLqDuwHstzMC2OujITxpDgHc7T8twBq+dvK 3PM1ViQspRistdcU1ZVQBSU6P+eHnKa5Rn1zwrNmZedo0dV+Bi4oaIgjm76p6oY0SNms 93X52CSvRdKhB2Yk3RdQmI+BCmLT/RKZDuAnY= Received: by 10.86.239.37 with SMTP id m37mr6576254fgh.72.1273375679756; Sat, 08 May 2010 20:27:59 -0700 (PDT) Received: from darklight.org.ru ([213.132.76.142]) by mx.google.com with ESMTPS id 22sm7020197fkq.17.2010.05.08.20.27.58 (version=TLSv1/SSLv3 cipher=RC4-MD5); Sat, 08 May 2010 20:27:59 -0700 (PDT) Received: from darklight.org.ru (yuri@darklight.org.ru [127.0.0.1]) by darklight.org.ru (8.14.4/8.14.4) with ESMTP id o493Ru32090330 for ; Sun, 9 May 2010 07:27:57 +0400 (MSD) (envelope-from yuri.pankov@gmail.com) Received: (from yuri@localhost) by darklight.org.ru (8.14.4/8.14.4/Submit) id o493Ruam090329 for freebsd-current@freebsd.org; Sun, 9 May 2010 07:27:56 +0400 (MSD) (envelope-from yuri.pankov@gmail.com) X-Authentication-Warning: darklight.org.ru: yuri set sender to yuri.pankov@gmail.com using -f Date: Sun, 9 May 2010 07:27:56 +0400 From: Yuri Pankov To: freebsd-current@freebsd.org Message-ID: <20100509032756.GA90127@darklight.org.ru> References: <20100508200032.GB31100@weongyo> <20100508203549.GA8088@exodus.desync.com> MIME-Version: 1.0 Content-Type: text/plain; charset=iso-8859-1 Content-Disposition: inline Content-Transfer-Encoding: 8bit In-Reply-To: User-Agent: Mutt/1.5.20 (2009-06-14) Subject: Re: a panic on uart_z8530_class? 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: Sun, 09 May 2010 03:54:43 -0000 On Sat, May 08, 2010 at 09:59:23PM -0500, Brandon Gooch wrote: > On Sat, May 8, 2010 at 3:35 PM, ben wilber wrote: > > On Sat, May 08, 2010 at 04:11:49PM -0400, Benjamin Kaduk wrote: > >> > [root@test ~]# kgdb /boot/kernel/kernel /var/crash/vmcore.1 > >> > 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"... > >> > Cannot access memory at address 0xffffff0127ffffe0 > >> > (kgdb) bt > >> > #0  0x0000000000000000 in ?? () > >> > Cannot access memory at address 0x0 > >> > (kgdb) q > >> > >> > >> I have seen this behavior from kgdb --- it doesn't seem to be able to > >> handle coredumps I've made recently.  At first I thought that I managed to > >> trash either my kernel image or kgdb binary with all the unclean > >> shutdowns I've been having, but if you're seeing kgdb failures, maybe it's > >> not just my local system. > >> > >> Yet I am assuming that this is not broken for *everyone*, or we would have > >> heard more noise about it. > >> > >> I'm running a current snapshot from April 4th; maybe I will try updating > >> to a new snapshot tonight and see if kgdb behaves better after everything > >> is rebuilt. > > > > Same here, for the last couple months maybe. > > I'll chime in here with a "me too". > > Since at early April, I've been trying to figure out why my laptop > locks up overnight (something about the CPUs going into C3). I can > nearly always get it to coredump, but the vmcore files I generate are > unusable... > > -Brandon Just another "me too". May be we have something common in our setup? (I'm dumping to /dev/gpt/swap 8Gb GPT partition, using ahci(4) on a ATI IXP700 AHCI SATA controller). Another issue - dump is written extremely slow (1.5Gb in ~5 minutes). Yuri