From mboxrd@z Thu Jan 1 00:00:00 1970 From: bugzilla-daemon@bugzilla.kernel.org Subject: [Bug 191451] New: Host hangs when hyperv/pvspinlock are disabled Date: Thu, 29 Dec 2016 06:06:24 +0000 Message-ID: Mime-Version: 1.0 Content-Type: text/plain; charset="UTF-8" Content-Transfer-Encoding: 7bit To: kvm@vger.kernel.org Return-path: Received: from mail.kernel.org ([198.145.29.136]:55344 "EHLO mail.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751686AbcL2GG3 (ORCPT ); Thu, 29 Dec 2016 01:06:29 -0500 Received: from mail.kernel.org (localhost [127.0.0.1]) by mail.kernel.org (Postfix) with ESMTP id 24FE82053A for ; Thu, 29 Dec 2016 06:06:28 +0000 (UTC) Received: from bugzilla1.web.kernel.org (bugzilla1.web.kernel.org [172.20.200.51]) by mail.kernel.org (Postfix) with ESMTP id E339220520 for ; Thu, 29 Dec 2016 06:06:25 +0000 (UTC) Sender: kvm-owner@vger.kernel.org List-ID: https://bugzilla.kernel.org/show_bug.cgi?id=191451 Bug ID: 191451 Summary: Host hangs when hyperv/pvspinlock are disabled Product: Virtualization Version: unspecified Kernel Version: 4.7.3-4.9.0 Hardware: All OS: Linux Tree: Mainline Status: NEW Severity: normal Priority: P1 Component: kvm Assignee: virtualization_kvm@kernel-bugs.osdl.org Reporter: uzytkownik2@gmail.com Regression: No Created attachment 249011 --> https://bugzilla.kernel.org/attachment.cgi?id=249011&action=edit Screen photo shot I haven't figured out what exactly causes the problem (I got file corruption and other nasty issues) but if I disable hyperv/pvspinlock I get the host to hang. It might be connected to VFIO. Sometimes the rcu hangs are displayed (attached). -- You are receiving this mail because: You are watching the assignee of the bug.