From mboxrd@z Thu Jan 1 00:00:00 1970 From: Konrad Rzeszutek Wilk Subject: Re: [Xen-bugs] Re: Network problem after updates Date: Tue, 15 Jun 2010 17:21:00 -0400 Message-ID: <20100615212100.GA23814@phenom.dumpdata.com> References: <1274696442.6507.2.camel@portatil-1> <1274799896.11522.5.camel@portatil-1> Mime-Version: 1.0 Content-Type: text/plain; charset=iso-8859-1 Content-Transfer-Encoding: quoted-printable Return-path: Content-Disposition: inline In-Reply-To: <1274799896.11522.5.camel@portatil-1> List-Unsubscribe: , List-Post: List-Help: List-Subscribe: , Sender: xen-users-bounces@lists.xensource.com Errors-To: xen-users-bounces@lists.xensource.com To: Francisco Barrera Cc: xen-tools@lists.xensource.com, xen-devel@lists.xensource.com, xen-bugs@lists.xensource.com, xen-users@lists.xensource.com List-Id: xen-devel@lists.xenproject.org On Tue, May 25, 2010 at 05:04:56PM +0200, Francisco Barrera wrote: > Can anybody help me with this problem? Are you still having problems? Granted you are using an ancient kernel so I fear I can't help you much. If you updated to the latest pv-ops... >=20 >=20 > El lun, 24-05-2010 a las 12:20 +0200, Francisco Barrera escribi=F3: >=20 > > Hi all, > >=20 > > I've a serious problem with my dom0 xen installation, that's why I'm > > blocked to daily work. > > I come to describe my virtualization scenary and the arised problem. > >=20 > > Hardware is a Dell server with 3 physicall ethernet network cards and > > 16 GB RAM. > > Initially installed CentOS-5.2 with Xen-3.0.3 and 2.6.18-128.el5xen > > kernel. > > Dom0 with 7 domU paravirtuallized (they have CentOS like os also). > > One domU is configured like a Firewall, using one of the physicall > > NICs through pciback, that directly connect with the ISP modem-router= . > > Until here all worked ok and I was happy :) > >=20 > > Later, I was made the next updates through "yum update/upgrade" and > > "yum install Virtualization": Xen 3.4.1 version, CentOS-5.4 and > > 2.6.18-164.el5xen kernel. > > Initially all worked fine, except some stuffs related to bridge name > > (it came to xenbr0 to eth0). > > The problem arise when from certain day, the network was freezed, > > collapsed. > > Anything of the domUs can answer to ping command, except dom0 that is > > the only I can access via ssh. > > Testing some issues, the network recovers if I shutdown the domU > > Firewall. > >=20 > > I guess that the source of the problem must be pciback kernel module > > or some incompatibillity with network card driver. > > I've configured the xend-pci-permissive.sxp file to fix some messages > > that appears in the boot of the dom0. > >=20 > > The conclusions that I've get analyzing the situation are the next: > > - at the begining, Firewall works ok since it's overloaded by net > > traffic > > - from this moment, exactly 1 hour later from boot/reboot of dom0, th= e > > network is blocked...always > > - once the network is blocked, if I've shutdown the Firewall, the > > network recovers > > - when much time the network is blocked, more time the Firewall takes > > to shutdown > >=20 > > Any suggestion? > > Thanks in advance. > >=20 > >=20 > >=20 > >=20 > > _______________________________________________ > > Xen-users mailing list > > Xen-users@lists.xensource.com > > http://lists.xensource.com/xen-users >=20 >=20 > -------------------------------------------- > empelt > Francisco Barrera >=20 > M=F3vil - +34 659253221 > francisco.barrera@empelt.es > http://www.empelt.es >=20 >=20 > _______________________________________________________________________= _ >=20 >=20 >=20 >=20 > Antes de imprimir este e-mail piense en su responsabilidad compromiso > con el medio ambiente >=20 > AVISO LEGAL > Este mensaje y los documentos anexos que pudiera incluir se dirige > exclusivamente a su/s destinatario/s y puede contener informaci=F3n > privilegiada o confidencial. 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