From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mga03.intel.com (mga03.intel.com [134.134.136.65]) by mail.openembedded.org (Postfix) with ESMTP id 707AA71AF2 for ; Thu, 3 Nov 2016 13:10:09 +0000 (UTC) Received: from fmsmga002.fm.intel.com ([10.253.24.26]) by orsmga103.jf.intel.com with ESMTP; 03 Nov 2016 06:09:59 -0700 X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="5.31,438,1473145200"; d="scan'208";a="1080054442" Received: from linux.intel.com ([10.54.29.200]) by fmsmga002.fm.intel.com with ESMTP; 03 Nov 2016 06:09:59 -0700 Received: from mandark.fi.intel.com (mandark.fi.intel.com [10.237.72.54]) by linux.intel.com (Postfix) with ESMTP id B5A546A4006 for ; Thu, 3 Nov 2016 06:09:22 -0700 (PDT) Message-ID: <1478178404.13445.9.camel@linux.intel.com> From: Krisztian Litkey To: openembedded-core@lists.openembedded.org Date: Thu, 03 Nov 2016 15:06:44 +0200 X-Mailer: Evolution 3.20.5 (3.20.5-1.fc24) Mime-Version: 1.0 Subject: qemu woes on recent Fedora 24 kernels X-BeenThere: openembedded-core@lists.openembedded.org X-Mailman-Version: 2.1.12 Precedence: list List-Id: Patches and discussions about the oe-core layer List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Thu, 03 Nov 2016 13:10:10 -0000 Content-Type: text/plain; charset="UTF-8" Content-Transfer-Encoding: 8bit   Hi, I thought I share this with others in case I'm not the only one who have been struggling with this recently. I've been running lately into really bad (and non-deterministic) clock skew issues, often triggering oopses, when testing images with qemu on fedora 24. I'm not sure what has changed in the fedora kernels that triggered this behavior, but switching the clock source from TSC to HPET (by appending clocksource=hpet to the kernel command line in the generated qemu config file) did the trick for me and got rid of the problems.   Cheers,     kli