From mboxrd@z Thu Jan 1 00:00:00 1970 From: Konrad Rzeszutek Wilk Subject: Re: 3.10 xenU memleaks Date: Fri, 7 Feb 2014 10:02:24 -0500 Message-ID: <20140207150224.GA3605@phenom.dumpdata.com> References: <20140207124607.GE19084@gandi.net> Mime-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Return-path: Received: from mail6.bemta5.messagelabs.com ([195.245.231.135]) by lists.xen.org with esmtp (Exim 4.72) (envelope-from ) id 1WBmwu-0001n3-O9 for xen-devel@lists.xenproject.org; Fri, 07 Feb 2014 15:02:36 +0000 Content-Disposition: inline In-Reply-To: <20140207124607.GE19084@gandi.net> List-Unsubscribe: , List-Post: List-Help: List-Subscribe: , Sender: xen-devel-bounces@lists.xen.org Errors-To: xen-devel-bounces@lists.xen.org To: William Dauchy Cc: konrad@kernel.org, xen-devel@lists.xenproject.org List-Id: xen-devel@lists.xenproject.org On Fri, Feb 07, 2014 at 01:46:07PM +0100, William Dauchy wrote: > Hello, > > I am facing random memleaks with a xenU 3.10.x pv (x86_64); > sometimes without issue and sometimes after a reboot, the > kernel starts to memleak a lot until OOM. > > config: hypervisor xen4.1, dom0 v3.4.x (x86_32) > > I got no issue with a xenU v3.12.x pv; the only difference in dmesg was > about APIC. > > I manually backported the following patch: > 6efa20e xen: Support 64-bit PV guest receiving NMIs > --- a/arch/x86/xen/enlighten.c > +++ b/arch/x86/xen/enlighten.c > @@ -427,8 +427,7 @@ static void __init xen_init_cpuid_mask(void) > > if (!xen_initial_domain()) > cpuid_leaf1_edx_mask &= > - ~((1 << X86_FEATURE_APIC) | /* disable local APIC */ > - (1 << X86_FEATURE_ACPI)); /* disable ACPI */ > + ~((1 << X86_FEATURE_ACPI)); /* disable ACPI */ > > > and my issue is completely fixed. Should it backported for stable? That does not make sense. What are the leaks? What are the messages that you see about APIC? > > Thanks, > -- > William