From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1753648AbbJOARJ (ORCPT ); Wed, 14 Oct 2015 20:17:09 -0400 Received: from ironport2-out.teksavvy.com ([206.248.154.181]:61985 "EHLO ironport2-out.teksavvy.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751098AbbJOARH convert rfc822-to-8bit (ORCPT ); Wed, 14 Oct 2015 20:17:07 -0400 X-IronPort-Anti-Spam-Filtered: true X-IronPort-Anti-Spam-Result: A0DADAA731xV/9mBCkxchgOBXcRVg0MCgXkQAQEBAQEBAYEKhCMBAQQjVhAFBAsFDAIYDgICPRoGGwmIBBeNfJ0QpBcBAQgBAQEBHoEhihmFBQeCaIFFAQSUDpZtigkjYYEpHIFugxoBAQE X-IPAS-Result: A0DADAA731xV/9mBCkxchgOBXcRVg0MCgXkQAQEBAQEBAYEKhCMBAQQjVhAFBAsFDAIYDgICPRoGGwmIBBeNfJ0QpBcBAQgBAQEBHoEhihmFBQeCaIFFAQSUDpZtigkjYYEpHIFugxoBAQE X-IronPort-AV: E=Sophos;i="5.13,465,1427774400"; d="scan'208";a="169595267" Date: Wed, 14 Oct 2015 20:17:01 -0400 To: "Donald Parsons" Cc: len.brown@intel.com, linux-kernel@vger.kernel.org From: shrybman Subject: Re[2]: 3.4-rc smpboot: do_boot_cpu failed(-1) to wakeup CPU#1 Message-ID: <410706506d73adeefedf5b6b21dcc6af@teksavvy.com> X-Mailer: IceWarp Mailer 11.2.1.1 x64-Desktop In-Reply-To: <1444850729.6312.7.camel@falcon.homelinux.org> References: <505f039bc185286b1295600807741499@teksavvy.com> <1444850729.6312.7.camel@falcon.homelinux.org> X-Priority: 3 MIME-Version: 1.0 Content-Transfer-Encoding: 8BIT Content-Type: text/plain; charset=UTF-8 Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org ..snip.. > >  smpboot: Total of 1 processors activated (4272.42 BogoMIPS) > >  devtmpfs: initialized > > I took a guess and got lucky. > > Reverting "x86/smpboot: Remove APIC.wait_for_init_deassert and atomic init_deasserted" resolved the issue. > > > As a followup, I updated compiler to gcc-5.2 (no help or change). > I also tried suggested /vmlinuz-4.3.0-rc3 parameter in grub: >        "cpu_init_udelay=10000" > which did not help getting missing CPU back online. Did you try reverting the "x86/smpboot: Remove APIC.wait_for_init_deassert and atomic init_deasserted"  patch?