From xen-devel-bounces@lists.xen.org Wed Feb 18 15:26:10 2015 Received: (at maildrop) by bugs.xenproject.org; 18 Feb 2015 15:26:10 +0000 Received: from lists.xen.org ([50.57.142.19]) by bugs.xenproject.org with esmtp (Exim 4.80) (envelope-from ) id 1YO6Vu-0002Kf-2v for xen-devel-maildrop-Eithu9ie@bugs.xenproject.org; Wed, 18 Feb 2015 15:26:10 +0000 Received: from localhost ([127.0.0.1] helo=lists.xen.org) by lists.xen.org with esmtp (Exim 4.72) (envelope-from ) id 1YO6UR-0008Ew-FE; Wed, 18 Feb 2015 15:24:39 +0000 Received: from mail6.bemta14.messagelabs.com ([193.109.254.103]) by lists.xen.org with esmtp (Exim 4.72) (envelope-from ) id 1YO6UQ-0008Eq-7H for xen-devel@lists.xenproject.org; Wed, 18 Feb 2015 15:24:38 +0000 Received: from [193.109.254.147] by server-1.bemta-14.messagelabs.com id 26/0B-02601-5BEA4E45; Wed, 18 Feb 2015 15:24:37 +0000 X-Env-Sender: Ian.Campbell@citrix.com X-Msg-Ref: server-8.tower-27.messagelabs.com!1424273075!14257211!1 X-Originating-IP: [66.165.176.89] X-SpamReason: No, hits=0.0 required=7.0 tests=sa_preprocessor: VHJ1c3RlZCBJUDogNjYuMTY1LjE3Ni44OSA9PiAyMDMwMDc=\n, received_headers: No Received headers X-StarScan-Received: X-StarScan-Version: 6.13.4; banners=-,-,- X-VirusChecked: Checked Received: (qmail 12376 invoked from network); 18 Feb 2015 15:24:36 -0000 Received: from smtp.citrix.com (HELO SMTP.CITRIX.COM) (66.165.176.89) by server-8.tower-27.messagelabs.com with RC4-SHA encrypted SMTP; 18 Feb 2015 15:24:36 -0000 X-IronPort-AV: E=Sophos;i="5.09,602,1418083200"; d="scan'208";a="226824764" Message-ID: <1424273050.20761.17.camel@citrix.com> From: Ian Campbell To: Atom2 Date: Wed, 18 Feb 2015 15:24:10 +0000 In-Reply-To: <54DD036E.4060706@web2web.at> References: <1423480148.23098.36.camel@citrix.com> <54DD036E.4060706@web2web.at> X-Mailer: Evolution 3.12.9-1+b1 MIME-Version: 1.0 X-DLP: MIA2 Cc: xen-devel Subject: Re: [Xen-devel] BUG - xen-netback stats interface limited to 32-bit values on 64 bit systems X-BeenThere: xen-devel@lists.xen.org X-Mailman-Version: 2.1.13 Precedence: list List-Id: Xen developer discussion List-Unsubscribe: , List-Post: List-Help: List-Subscribe: , Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: xen-devel-bounces@lists.xen.org Errors-To: xen-devel-bounces@lists.xen.org create ^ thanks On Thu, 2015-02-12 at 20:47 +0100, Atom2 wrote: > Hi guys, > I am forwarding this message after initially having confirmed with Ian > Campbell on the user list that there's really an issue - please see > further below. > > I am currently running xen-4.3.3 on gentoo (dom0 is based on kernel > 3.17.7) and I am happy to help out by applying and testing patches on my > version. FWIW based on e00f85bec0a9 this seems like it would be a reasonably straight forward introductory kernel hacking exercise (mostly copying e00f85bec0a9) if you are interested I could help guide/mentor you through it. Ian. > > Thanks Atom2 > > -------- Weitergeleitete Nachricht -------- > Betreff: Re: [Xen-users] BUG? vif RX/TX byte counters limited to 32-bit > values on 64 bit systems > Datum: Mon, 9 Feb 2015 11:09:08 +0000 > Von: Ian Campbell > An: Atom2 > Kopie (CC): xen-users@lists.xen.org > > On Mon, 2015-02-09 at 00:37 +0100, Atom2 wrote: > > Hi guys, > > I recently experienced that ifconfig executed within dom0 wraps around > > byte counters after reaching the 32-bit max value (2^32) for XEN vif > > interfaces. Specifically I was able to observe this for a XEN vif > > interface connected to a HVM domU running FreeBSD 10.0. > > Looks like xen-netback was never converted to the 64 bit stats interface > like e.g. netfront was (see commit e00f85bec0a9 in ~v3.1). > > I could have sworn netback changed eons ago -- I was clearly mistaken. > > Ian. > > > _______________________________________________ Xen-devel mailing list Xen-devel@lists.xen.org http://lists.xen.org/xen-devel