Return-Path: <linux-kernel-owner+w=401wt.eu-S1755925Ab0AFO7O@vger.kernel.org>
Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand
	id S1755925Ab0AFO7O (ORCPT <rfc822;w@1wt.eu>);
	Wed, 6 Jan 2010 09:59:14 -0500
Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1755908Ab0AFO7N
	(ORCPT <rfc822;linux-kernel-outgoing>);
	Wed, 6 Jan 2010 09:59:13 -0500
Received: from mtagate7.uk.ibm.com ([194.196.100.167]:33771 "EHLO
	mtagate7.uk.ibm.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org
	with ESMTP id S1755758Ab0AFO7L (ORCPT
	<rfc822;linux-kernel@vger.kernel.org>);
	Wed, 6 Jan 2010 09:59:11 -0500
Date: Wed, 6 Jan 2010 15:59:08 +0100
From: Heiko Carstens <heiko.carstens@de.ibm.com>
To: Oleg Nesterov <oleg@redhat.com>
Cc: Martin Schwidefsky <schwidefsky@de.ibm.com>,
       Roland McGrath <roland@redhat.com>, caiqian@redhat.com,
       Jan Kratochvil <jkratoch@redhat.com>, linux-kernel@vger.kernel.org,
       linux-s390@vger.kernel.org, utrace-devel@redhat.com
Subject: Re: s390 && user_enable_single_step() (Was: odd utrace testing
 results on s390x)
Message-ID: <20100106145908.GA5621@osiris.boeblingen.de.ibm.com>
References: <20100104155225.GA16650@redhat.com>
 <20100104171626.22ea2d9c@mschwide.boeblingen.de.ibm.com>
 <20100104181412.GA21146@redhat.com>
 <20100104211147.4CC94D532@magilla.sf.frob.com>
 <20100105105030.66bb8a0a@mschwide.boeblingen.de.ibm.com>
 <20100105153633.GA9376@redhat.com>
 <20100105164610.388effd3@mschwide.boeblingen.de.ibm.com>
 <20100105155913.GA10652@redhat.com>
 <20100105170301.GA13641@redhat.com>
 <20100105195818.GA20358@redhat.com>
MIME-Version: 1.0
Content-Type: text/plain; charset=iso-8859-1
Content-Disposition: inline
Content-Transfer-Encoding: 8bit
In-Reply-To: <20100105195818.GA20358@redhat.com>
User-Agent: Mutt/1.5.20 (2009-06-14)
Sender: linux-kernel-owner@vger.kernel.org
List-ID: <linux-kernel.vger.kernel.org>
X-Mailing-List: linux-kernel@vger.kernel.org
Content-Length: 2067
Lines: 52

On Tue, Jan 05, 2010 at 08:58:18PM +0100, Oleg Nesterov wrote:
> I decided to re-test this all with vanilla 2.6.33-rc2. It is really
> amazing how long it takes to recompile/install the kernel!

Then either you have a lot of steal time or an old machine (pre z10)?
You could also try to define more cpus if you have a virtual machine:
#cp define cpu <from>-<to>
...that is if your admin gave you permissions to do that.

> I spent
> the rest of this day fighting with this rhts machine. Result - it
> doesn't boot:
> 
> 	00: zIPL v1.8.2-5.el6 interactive boot menu
> 	00:
> 	00:  0. default (2.6.33-rc2)
> 	00:
> 	00:  1. 2.6.33-rc2
> 	00:  2. 2.6.32.2-14.s390x.el6.s390x
> 	00:  3. 2.6.32.2-14.el6.s390x
> 	00:  4. linux
> 	00:
> 	00: Note: VM users please use '#cp vi vmsg <input>'
> 	00:
> 	00: Please choose (default will boot in 15 seconds):
> 	00: Booting default (2.6.33-rc2)...
> 	 ?<000000000011c4fc>? sysc_return+0x0/0x8
> 	 ?<00000000003cc0c6>? selinux_sb_copy_data+0x17e/0x238
> 	(?<00000000003cbf94>? selinux_sb_copy_data+0x4c/0x238)
> 	 ?<00000000003b62a6>? security_sb_copy_data+0x4e/0x60
> 	 ?<0000000000280338>? vfs_kern_mount+0x19c/0x1f4
> 	 ?<00000000002803de>? kern_mount_data+0x4e/0x5c
> 	 ?<0000000000ae1908>? devtmpfs_init+0x60/0xbc
> 	 ?<0000000000ae1818>? driver_init+0x28/0x6c
> 	 ?<0000000000abe582>? kernel_init+0x32a/0x3d8
> 	 ?<000000000010b8c2>? kernel_thread_starter+0x6/0xc
> 	 ?<000000000010b8bc>? kernel_thread_starter+0x0/0xc
> 	INFO: lockdep is turned off.
> 	00: HCPGIR450W CP entered; disabled wait PSW 00020001 80000000 00000000 00114BD4
> 
> Cai, any chance you can help? Using /usr/bin/console I can't choose another
> kernel at the "00: Please choose (default will boot in 15 seconds):" stage,
> how can I do this???

You did enter something like
#cp vi vmsg 2
and not just '2'?
--
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@vger.kernel.org
More majordomo info at  http://vger.kernel.org/majordomo-info.html
Please read the FAQ at  http://www.tux.org/lkml/