From mboxrd@z Thu Jan 1 00:00:00 1970 From: =?UTF-8?B?U3ZlbiBLw7ZobGVy?= Subject: Re: computer stalls instead of reboot Date: Fri, 09 Sep 2011 15:45:56 +0200 Message-ID: References: <4E694CFB.1060203@citrix.com> <4E6A0034.10706@citrix.com> <4E6A1549.90806@modelnine.org> Mime-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit Return-path: In-Reply-To: <4E6A1549.90806@modelnine.org> List-Unsubscribe: , List-Post: List-Help: List-Subscribe: , Sender: xen-devel-bounces@lists.xensource.com Errors-To: xen-devel-bounces@lists.xensource.com To: xen-devel@lists.xensource.com List-Id: xen-devel@lists.xenproject.org Am 09.09.2011 15:31, schrieb Heiko Wundram: > Am 09.09.2011 14:55, schrieb Sven Köhler: >> > > Without knowing much of the previous discussion: is this related to > Hetzner-servers (from seeing the mainboard type, I can only guess that > it's a machine from the "new" Hetzner-series)? Yes it is a Hetzner machine! > If that's the case, use: "acpi=off" on the Dom0-kernel commandline (I > use a Gentoo-adapted xen-sources-2.6.38 [rebased SuSE-Dom0-kernel]), > that should solve the reboot problems. IIRC somewhere on the > Hetzner-site they mention this, too. No reboot hangs/problems for me > after that. I will try acpi=off as soon as possible. I wonder, what the disadvantage are. The hypervisor will still regulate CPU frequency, will it not? Also, is the dom0 kernel doing something that it shouldn't do? (maybe something that collides with the ACPI-related activities of the hypervisor, if there are any?) Regards, Sven