Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1758357Ab2JSRVl (ORCPT ); Fri, 19 Oct 2012 13:21:41 -0400 Received: from mga11.intel.com ([192.55.52.93]:40747 "EHLO mga11.intel.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1754654Ab2JSRVj convert rfc822-to-8bit (ORCPT ); Fri, 19 Oct 2012 13:21:39 -0400 X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="4.80,613,1344236400"; d="scan'208";a="236071236" From: "Luck, Tony" To: Borislav Petkov , Tang Chen CC: "stable@vger.kernel.org" , "tglx@linutronix.de" , "mingo@redhat.com" , "hpa@zytor.com" , "miaox@cn.fujitsu.com" , "laijs@cn.fujitsu.com" , "wency@cn.fujitsu.com" , "x86@kernel.org" , "linux-edac@vger.kernel.org" , "linux-kernel@vger.kernel.org" , Borislav Petkov Subject: RE: [PATCH v2 2/2] Do not change worker's running cpu in cmci_rediscover(). Thread-Topic: [PATCH v2 2/2] Do not change worker's running cpu in cmci_rediscover(). Thread-Index: AQHNrb0lcU3mEqLRBkyObsTOs9Ryn5fBS1eA//+U5RA= Date: Fri, 19 Oct 2012 17:21:17 +0000 Message-ID: <3908561D78D1C84285E8C5FCA982C28F19D57AA5@ORSMSX108.amr.corp.intel.com> References: <1350625528-1385-1-git-send-email-tangchen@cn.fujitsu.com> <1350625528-1385-3-git-send-email-tangchen@cn.fujitsu.com> <20121019164233.GF11958@aftab.osrc.amd.com> In-Reply-To: <20121019164233.GF11958@aftab.osrc.amd.com> Accept-Language: en-US Content-Language: en-US X-MS-Has-Attach: X-MS-TNEF-Correlator: x-originating-ip: [10.22.254.138] Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 8BIT MIME-Version: 1.0 Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 593 Lines: 13 > In this case, the following BUG_ON in try_to_wake_up_local() will be triggered: > BUG_ON(rq != this_rq()); Logically this looks OK - what is the test case to trigger this? I've done a moderate amount of testing of cpu online/offline while injecting corrected errors (when testing the CMCI storm patches) ... but didn't see this problem. -Tony -- 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/