From owner-freebsd-virtualization@freebsd.org Sat Dec 17 01:38:02 2016 Return-Path: Delivered-To: freebsd-virtualization@mailman.ysv.freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2001:1900:2254:206a::19:1]) by mailman.ysv.freebsd.org (Postfix) with ESMTP id AEB03C83C8A for ; Sat, 17 Dec 2016 01:38:02 +0000 (UTC) (envelope-from grehan@freebsd.org) Received: from alto.onthenet.com.au (alto.OntheNet.com.au [203.13.68.12]) by mx1.freebsd.org (Postfix) with ESMTP id 6D3BED5C for ; Sat, 17 Dec 2016 01:38:02 +0000 (UTC) (envelope-from grehan@freebsd.org) Received: from iredmail.onthenet.com.au (iredmail.onthenet.com.au [203.13.68.150]) by alto.onthenet.com.au (Postfix) with ESMTPS id 4E3C320AE98C for ; Sat, 17 Dec 2016 11:37:42 +1000 (AEST) Received: from localhost (iredmail.onthenet.com.au [127.0.0.1]) by iredmail.onthenet.com.au (Postfix) with ESMTP id 46DC52804EA for ; Sat, 17 Dec 2016 11:37:42 +1000 (AEST) X-Amavis-Modified: Mail body modified (using disclaimer) - iredmail.onthenet.com.au Received: from iredmail.onthenet.com.au ([127.0.0.1]) by localhost (iredmail.onthenet.com.au [127.0.0.1]) (amavisd-new, port 10026) with ESMTP id mVy9pkIAS2a7 for ; Sat, 17 Dec 2016 11:37:42 +1000 (AEST) Received: from Peters-MacBook-Pro-2.local (96-82-80-65-static.hfc.comcastbusiness.net [96.82.80.65]) by iredmail.onthenet.com.au (Postfix) with ESMTPSA id 99EAB2804DF; Sat, 17 Dec 2016 11:37:40 +1000 (AEST) Subject: Re: Debian 8 CPU stall To: Rajil Saraswat References: <9c9e83a5-16c6-0ab5-0ac4-af0a54430706@freebsd.org> <6cff5bf2-9654-8627-83c4-6ab48ee763b5@gmail.com> <56863fec-d8f8-2601-811f-511cd199e82f@freebsd.org> <131518ab-c3fc-6509-ba24-08b5c32cddd5@freebsd.org> Cc: freebsd-virtualization@FreeBSD.org From: Peter Grehan Message-ID: <002b80bb-d56b-95b8-6249-cf46d0896441@freebsd.org> Date: Fri, 16 Dec 2016 17:37:54 -0800 User-Agent: Mozilla/5.0 (Macintosh; Intel Mac OS X 10.10; rv:45.0) Gecko/20100101 Thunderbird/45.5.1 MIME-Version: 1.0 In-Reply-To: Content-Type: text/plain; charset=windows-1252; format=flowed Content-Transfer-Encoding: 7bit X-CMAE-Score: 0 X-CMAE-Analysis: v=2.2 cv=YJDv8VOx c=1 sm=1 tr=0 a=A6CF0fG5TOl4vs6YHvqXgw==:117 a=mwgbnDbW7alINpy3vhoKyg==:17 a=N659UExz7-8A:10 a=n5n_aSjo0skA:10 a=z-kaFTlq7YmkccKTkbAA:9 a=pILNOxqGKmIA:10 wl=host:3 X-BeenThere: freebsd-virtualization@freebsd.org X-Mailman-Version: 2.1.23 Precedence: list List-Id: "Discussion of various virtualization techniques FreeBSD supports." List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Sat, 17 Dec 2016 01:38:02 -0000 Hi Rajil, > This seems to have worked. Even after 5 days of uptime, i dont see the > CPU stall messages. It looks like an issue with debian only as my other > vm's based off ubuntu and centos did not have those errors. Thanks very much for testing that out. The problem is certainly narrowed down a lot: Debian 8, single vCPU, APIC virtualization, with multiple PCI passthru ports. That will help a lot with debugging the issue. later, Peter.