Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1758346Ab2EIPEZ (ORCPT ); Wed, 9 May 2012 11:04:25 -0400 Received: from g1t0029.austin.hp.com ([15.216.28.36]:23003 "EHLO g1t0029.austin.hp.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1758258Ab2EIPEW (ORCPT ); Wed, 9 May 2012 11:04:22 -0400 Message-ID: <1336575858.2498.7.camel@lorien2> Subject: Re: [PATCH 1/5] Fix soft-lookup in stop machine on secondary cpu bring up From: Shuah Khan Reply-To: shuahkhan@gmail.com To: Igor Mammedov Cc: shuahkhan@gmail.com, linux-kernel@vger.kernel.org, rob@landley.net, tglx@linutronix.de, mingo@redhat.com, hpa@zytor.com, x86@kernel.org, luto@mit.edu, suresh.b.siddha@intel.com, avi@redhat.com, a.p.zijlstra@chello.nl, johnstul@us.ibm.com, arjan@linux.intel.com, linux-doc@vger.kernel.org Date: Wed, 09 May 2012 09:04:18 -0600 In-Reply-To: <1336559102-28103-2-git-send-email-imammedo@redhat.com> References: <1336559102-28103-1-git-send-email-imammedo@redhat.com> <1336559102-28103-2-git-send-email-imammedo@redhat.com> Content-Type: text/plain; charset="UTF-8" X-Mailer: Evolution 3.2.3-0ubuntu6 Content-Transfer-Encoding: 7bit Mime-Version: 1.0 Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 737 Lines: 19 On Wed, 2012-05-09 at 12:24 +0200, Igor Mammedov wrote: > When bringing up cpuX1, it could stall in start_secondary > before setting cpu_callin_mask for more than 5 sec. That forces > do_boot_cpu() to give up on waiting and go to error return path > printing messages: > pr_err("CPU%d: Stuck ??\n", cpuX1); I am seeing this with the linux-next May 7th build on my laptop HP EliteBook 8440p during boot. Could this problem be not specific to virt envs.? Anybody else seeing it? -- Shuah -- 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/