Re: [BUG] mellanox IB driver fails to load on large config

[Alex Thorlton <athorlton-sJ/iWh9BUns@public.gmane.org>]

On Tue, Jul 14, 2015 at 11:06:26PM +0300, Or Gerlitz wrote:
> On Tue, Jul 14, 2015 at 9:48 PM, Alex Thorlton <athorlton-sJ/iWh9BUns@public.gmane.org> wrote:
> > On Tue, Jul 14, 2015 at 01:22:34PM -0500, andrew banman wrote:
> >> On Sat, Jul 11, 2015 at 11:20:19PM +0300, Or Gerlitz wrote:
> >> > On Fri, Jul 10, 2015 at 10:15 PM, andrew banman <abanman-sJ/iWh9BUns@public.gmane.org> wrote:
> >> > > I'm seeing a large number of allocation errors originating from the Mellanox IB
> >> > > driver when booting the 4.2-rc1 kernel on a 4096cpu 32TB memory system:
> >> >
> >> > Just to make sure, mlx4 works fine on this small (...) system with 4.1
> >> > and 4.2-rc1 breaks, or 4.2-rc1 is the 1st time you're trying that
> >> > config?
> >>
> >> I'll let Alex comment on that, he did some testing on that.
> >
> > I started seeing this on a 4.1-rc8 kernel, so it's been around for a
> > little while.  It may have been around before 4.1-rc8, but I haven't run
> > any kernels older than that on the big machine for some time.
> 
> To make sure I am correctly following, on 4.1-rc8  you also see
> something, right?

Yes, that's correct.

> are these the same messages or different ones? if the latter send to us.

We see the same exact messages on 4.1-rc8.

Thanks for looking into this!

- Alex
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