From mboxrd@z Thu Jan 1 00:00:00 1970 From: Mike Wright Subject: Re: trace in dmesg Date: Thu, 30 Jun 2011 09:18:29 -0700 Message-ID: <4E0CA1D5.8090301@mailinator.com> References: <4E0B65C6.2060106@mailinator.com> <20110630150009.GB19002@dumpdata.com> Mime-Version: 1.0 Content-Type: text/plain; charset=ISO-8859-1; format=flowed Content-Transfer-Encoding: 7bit Return-path: In-Reply-To: <20110630150009.GB19002@dumpdata.com> List-Unsubscribe: , List-Post: List-Help: List-Subscribe: , Sender: xen-devel-bounces@lists.xensource.com Errors-To: xen-devel-bounces@lists.xensource.com To: Konrad Rzeszutek Wilk Cc: xen-devel List-Id: xen-devel@lists.xenproject.org On 06/30/2011 08:00 AM, Konrad Rzeszutek Wilk wrote: > On Wed, Jun 29, 2011 at 10:49:58AM -0700, Mike Wright wrote: >> Hi all, >> >> I'm (finally, yeah!!!) running xen-4.1.1 with linux-3.0.0-rc5 in >> runlevel 5 and so far seems indistinguishable from bare metal. > > Woot! >> >> However, this is in dmesg, and I wonder if it is important. >> >> [ 0.014109] ------------[ cut here ]------------ >> [ 0.014144] WARNING: at arch/x86/xen/enlighten.c:714 >> xen_apic_write+0x1a/0x1c() >> [ 0.014149] Hardware name: GA-890GPA-UD3H >> [ 0.014152] Modules linked in: >> [ 0.014158] Pid: 1, comm: swapper Not tainted 3.0.0-rc4 #1 >> [ 0.014163] Call Trace: >> [ 0.014170] [] warn_slowpath_common+0x85/0x9d >> [ 0.014177] [] warn_slowpath_null+0x1a/0x1c >> [ 0.014182] [] xen_apic_write+0x1a/0x1c >> [ 0.014188] [] apic_write.clone.15+0x1b/0x1d >> [ 0.014193] [] perf_events_lapic_init+0x1c/0x1e >> [ 0.014200] [] init_hw_perf_events+0xd86/0xeff >> [ 0.014206] [] ? set_cpu_present+0x1a/0x2a >> [ 0.014211] [] ? check_bugs+0x2d/0x2d >> [ 0.014217] [] do_one_initcall+0x7f/0x137 >> [ 0.014223] [] kernel_init+0x93/0x157 >> [ 0.014229] [] ? schedule_tail+0x31/0x65 >> [ 0.014235] [] kernel_thread_helper+0x4/0x10 >> [ 0.014241] [] ? int_ret_from_sys_call+0x7/0x1b >> [ 0.014248] [] ? retint_restore_args+0x5/0x6 >> [ 0.014253] [] ? gs_change+0x13/0x13 >> [ 0.014261] ---[ end trace a7919e7f17c0a725 ]--- > > It is and it is not :-) Its telling us that performance counters can't be > enabled. Which we do know about but haven't yet investigated in how > to make them work properly. > > Thanks for reporting this! What is the graphic card you are using? Built in to the motherboard: Gigabyte: GA-890GPA-UD3H. VGA compatible controller: ATI Technologies Inc RS880 [Radeon HD 4290]