From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1754596Ab2CMOCS (ORCPT ); Tue, 13 Mar 2012 10:02:18 -0400 Received: from acsinet15.oracle.com ([141.146.126.227]:36779 "EHLO acsinet15.oracle.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1754451Ab2CMOCR (ORCPT ); Tue, 13 Mar 2012 10:02:17 -0400 Date: Tue, 13 Mar 2012 17:04:16 +0300 From: Dan Carpenter To: "Paul E. McKenney" Cc: linux-kernel@vger.kernel.org Subject: Re: RCU stalls in linux-next Message-ID: <20120313140416.GG3395@mwanda> References: <20120313134822.GA5158@elgon.mountain> MIME-Version: 1.0 Content-Type: multipart/signed; micalg=pgp-sha1; protocol="application/pgp-signature"; boundary="PEfPc/DjvCj+JzNg" Content-Disposition: inline In-Reply-To: <20120313134822.GA5158@elgon.mountain> User-Agent: Mutt/1.5.21 (2010-09-15) X-Source-IP: ucsinet21.oracle.com [156.151.31.93] X-CT-RefId: str=0001.0A090201.4F5F5344.0025,ss=1,re=0.000,fgs=0 Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org --PEfPc/DjvCj+JzNg Content-Type: text/plain; charset=us-ascii Content-Disposition: inline Content-Transfer-Encoding: quoted-printable On Tue, Mar 13, 2012 at 04:48:23PM +0300, Dan Carpenter wrote: > I've been getting RCU hangs in linux-next. >=20 > Also sometimes, when I'm building my smatch database after a kernel > compile, my system hangs. I'm not certain if the two things are related. It actually seems to be hanging just after I've built my kernel and do a: find -name \*.c.smatch -exec cat \{\} \; > warns.txt My screen froze but I was able to log in via ssh once and type dmesg but then I hit tab tab twice to trigger the tab completion and it hung for good. I'm still not sure the big hang is related to the RCU stalls... regards, dan carpenter --PEfPc/DjvCj+JzNg Content-Type: application/pgp-signature; name="signature.asc" Content-Description: Digital signature -----BEGIN PGP SIGNATURE----- Version: GnuPG v1.4.11 (GNU/Linux) iQIcBAEBAgAGBQJPX1PfAAoJEOnZkXI/YHqRQysP/32kFNdIv6iKZ5nlVkhSQYil i8xoD/m3BDRxgLKQDHDcIeRzD9YGiCImjc0C/AElIckd0+EWtbzas2VY9WRkv3EG 4WqZo+W+GllGVT5cZV6gdGbtc1P8NCbn0AMiTLg3DiGvPtHgUtwOvoGGC5BOev8C lI68JmWO/oKoASKfJjfwUS15FdS5S8XvldVvMFr69AhLnoNP8IIMS4B0k3c0aksQ Hh2aei4CtCs3S/1fcUBSZY4XC1r7fUNZkAXKK5HROSk2SBSLWoIQ5I1Vknty3gw+ uc+yOIsf1sXQLJqET/oHm0bSWTsZ1bdqHS6UMxna6NGhW0Bhzk7cDx0qOp0/NokW Kta13j0sMVYmqsY+KDr96j4Dazei0uIctvnFjgDu/U0/ksgeCLpgP/6B8ml47y5S v2ha7eaJw5LiNZnUi66MsPogYH1b2RfMYOLILSVrpmgdHl//u8BgsLwhMLOI2t/P qIKcF2RHV0OuPv3c7J/glfoNUT5eUd8KhHXo1t3srJ7Frm7OzslyHSSMM3yyU5b/ 5HLw8Hdum9Ri2UfE/YAWoXt+AyLQPQXBd+zd25B2j76uX39EKGymN5uw6uauUR31 t98/q9SQ1IHdpu36X4YivS8QvHw49fKmeoaoeZ5Tc2ER9rhwr1guxR1M88SvjVcn gWpNjhw0NxvRklGv0mSY =BP5d -----END PGP SIGNATURE----- --PEfPc/DjvCj+JzNg--