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SubjectRe: [stable-2.6.32 PATCH] ixgbe: backport bug fix for tx panic


On Tue, 25 May 2010, Jeff Kirsher wrote:

> On Mon, May 10, 2010 at 17:46, Jeff Kirsher <jeffrey.t.kirsher@intel.com> wrote:
> > From: Jesse Brandeburg <jesse.brandeburg@intel.com>
> >
> > backporting this commit:
> >
> > commit fdd3d631cddad20ad9d3e1eb7dbf26825a8a121f
> > Author: Krishna Kumar <krkumar2@in.ibm.com>
> > Date:   Wed Feb 3 13:13:10 2010 +0000
> >
> >    ixgbe: Fix return of invalid txq
> >
> >    a developer had complained of getting lots of warnings:
> >
> >    "eth16 selects TX queue 98, but real number of TX queues is 64"
> >
> >    http://www.mail-archive.com/e1000-devel@lists.sourceforge.net/msg02200.html
> >
> >    As there was no follow up on that bug, I am submitting this
> >    patch assuming that the other return points will not return
> >    invalid txq's, and also that this fixes the bug (not tested).
> >
> >    Signed-off-by: Krishna Kumar <krkumar2@in.ibm.com>
> >    Signed-off-by: Jesse Brandeburg <jesse.brandeburg@intel.com>
> >    Acked-by: Peter P Waskiewicz Jr <peter.p.waskiewicz.jr@intel.com>
> >    Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
> >    Signed-off-by: David S. Miller <davem@davemloft.net>
> >
> > CC: Brandon <brandon@ifup.org>
> > Signed-off-by: Jesse Brandeburg <jesse.brandeburg@intel.com>
> > ---
> >
> >  drivers/net/ixgbe/ixgbe_main.c |    8 ++++++--
> >  1 files changed, 6 insertions(+), 2 deletions(-)
> >
>
> Greg - status? Did you queue this patch for the stable release and I missed it?

Maybe we didn't say (and we should have) that this fixes a panic on
machines with > 64 cores. Please apply to -stable 32.

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