Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1765565AbXFEUI0 (ORCPT ); Tue, 5 Jun 2007 16:08:26 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1757201AbXFEUIT (ORCPT ); Tue, 5 Jun 2007 16:08:19 -0400 Received: from e4.ny.us.ibm.com ([32.97.182.144]:59085 "EHLO e4.ny.us.ibm.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1755761AbXFEUIS (ORCPT ); Tue, 5 Jun 2007 16:08:18 -0400 Date: Tue, 5 Jun 2007 13:09:54 -0700 From: "Darrick J. Wong" To: "Siddha, Suresh B" Cc: linux-kernel@vger.kernel.org, ebiederm@xmission.com Subject: Re: Device hang when offlining a CPU due to IRQ misrouting Message-ID: <20070605200954.GE12782@tree.beaverton.ibm.com> References: <20070601004427.GI30788@tree.beaverton.ibm.com> <20070605172310.GD17143@linux-os.sc.intel.com> <20070605173647.GC12782@tree.beaverton.ibm.com> <20070605181342.GE17143@linux-os.sc.intel.com> <20070605183300.GD12782@tree.beaverton.ibm.com> <20070605184015.GF17143@linux-os.sc.intel.com> MIME-Version: 1.0 Content-Type: multipart/signed; micalg=pgp-sha1; protocol="application/pgp-signature"; boundary="W5WqUoFLvi1M7tJE" Content-Disposition: inline In-Reply-To: <20070605184015.GF17143@linux-os.sc.intel.com> User-Agent: Mutt/1.5.13 (2006-08-11) Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 1110 Lines: 41 --W5WqUoFLvi1M7tJE Content-Type: text/plain; charset=us-ascii Content-Disposition: inline Content-Transfer-Encoding: quoted-printable On Tue, Jun 05, 2007 at 11:40:15AM -0700, Siddha, Suresh B wrote: > Does this problem happen only under certain stress or something simple, l= ike >=20 > boot the kernel > echo 2 > /proc/irq/114/smp_affinity > wait for irq to hit the cpu1. > echo 0 > /sys/devices/system/cpu/cpu1/online >=20 > will immmd trigger this? The system is not under any stress at all. --D --W5WqUoFLvi1M7tJE Content-Type: application/pgp-signature; name="signature.asc" Content-Description: Digital signature Content-Disposition: inline -----BEGIN PGP SIGNATURE----- Version: GnuPG v1.4.6 (GNU/Linux) iD8DBQFGZcMSa6vRYYgWQuURAvg5AJ0ZxwBOqrXB798YrFkW+ipBFtEpiQCgkgr/ 9NIK925OUpXiQmr50SqhpHw= =1Lpr -----END PGP SIGNATURE----- --W5WqUoFLvi1M7tJE-- - 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/