From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1945988Ab2LOBYl (ORCPT ); Fri, 14 Dec 2012 20:24:41 -0500 Received: from mx1.redhat.com ([209.132.183.28]:45051 "EHLO mx1.redhat.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S932396Ab2LOBYN (ORCPT ); Fri, 14 Dec 2012 20:24:13 -0500 Date: Fri, 14 Dec 2012 23:03:12 -0200 From: Marcelo Tosatti To: Andy Lutomirski Cc: linux-kernel@vger.kernel.org, kvm list Subject: Re: percpu allocation failures in kvm Message-ID: <20121215010312.GA27536@amt.cnet> References: MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: User-Agent: Mutt/1.5.21 (2010-09-15) Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Thu, Dec 13, 2012 at 09:43:23PM -0800, Andy Lutomirski wrote: > On 3.7.0 + irrelevant patches, I get this on boot. I've seen it on > and off on earlier kernels, I think (although I'm not currently > getting it on 3.5). > > [ 10.230054] PERCPU: allocation failed, size=304 align=32, alloc > from reserved chunk failed > [ 10.230059] Pid: 1026, comm: modprobe Tainted: G W 3.7.0-ama+ #5 > [ 10.230060] Call Trace: > [ 10.230070] [] pcpu_alloc+0x9db/0xa40 > [ 10.230074] [] ? find_symbol_in_section+0x4d/0x140 > [ 10.230077] [] ? finished_loading+0x50/0x50 > [ 10.230080] [] ? each_symbol_section+0x30/0x70 > [ 10.230083] [] ? find_symbol+0x31/0x60 > [ 10.230086] [] __alloc_reserved_percpu+0x13/0x20 > [ 10.230089] [] load_module+0x3ed/0x1b50 > [ 10.230093] [] ? __srcu_read_unlock+0x4b/0x70 > > --Andy You're loading the kvm module, or loading some other module inside a kvm guest?