Re: [Xen-users] emulated rtl8139 driver, openvswitch, and offload

["Michael A. Collins" <mike.a.collins@xxxxxxxxxxx>]

On 07.09.2012 01:32, Pasi KÃrkkÃinen wrote:
> On Thu, Sep 06, 2012 at 08:22:57PM -0400, Michael A. Collins wrote:
> > > -----Original Message-----
> > > From: Pasi KÃrkkÃinen [mailto:pasik@xxxxxx]
> > > Sent: Thursday, September 06, 2012 11:07 AM
> > > To: Michael A. Collins
> > > Cc: 'James Harper'; xen-users@xxxxxxxxxxxxxxxxxxx
> > > Subject: Re: [Xen-users] emulated rtl8139 driver, openvswitch, and 
> > offload
> > >
> > > On Thu, Aug 30, 2012 at 08:10:39PM -0400, Michael A. Collins 
> > wrote:
> > > > James,
> > > >     I have not been able to reliably disable Large Send Offload,
> > > > Checksum Offload and Scatter/Gather through the device manager 
> > GUI on
> > > > Windows 2008 32bit/64bit with pv_drivers installed.  The Xen Net
> > > > Device Driver will fail to start and them the dom0 will panic 
> > and
> > > > reboot.  I am very scared to continue!  This happened to me 
> > twice
> > > > today while I was going through and disabling GSO/TSO/GRO on my
> > > > broadcom bnx2 interfaces to fix a serious issue we have with
> > > > inter-Host network traffic.  Is there a way to do this that 
> > doesn't
> > involve
> > > crashing the dom0 and causing the whole box to reboot?
> > > > Also, is there a guide to updating the drivers?  I would like to
> > > > install the latest 357 drivers, but the one time I tried 
> > uninstalling
> > > > them I had a BSOD and had to reimage.
> > > >
> > >
> > > What dom0 kernel version are you using? Also what Xen version?
> > >
> > > dom0 crashing when changing settings in the domU is a very serious 
> > bug!
> > >
> > >
> > > -- Pasi
> > >
> > Linux version: 3.5.0-rc2
> > Xen version: Xen 4.2 unstable changeset: 25467
> >
> > I can test with a more recent version or Xen or the kernel this 
> > weekend.  I
> > can capture serial console logs and whatever else is needed.
> Make sure you update your Xen to latest version, and also your dom0 
> kernel
> to at least 3.5.3.
>
> -- Pasi


I have not been able to reproduce this at home, but I'm not using 
Broadcom nics.  I have intel nics, so I'm thinking it's related to 
Broadcom.  I will need to test this at the office, so it'll be a few 
days before I get anything of substance.
Mike


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