Re: mlx4: IB_EVENT_PATH_MIG not generated on path migration

[Fabian Holler <fabian.holler-EIkl63zCoXaH+58JC4qpiA@public.gmane.org>]

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Hello Jason,

On Wed, Feb 11, 2015 at 10:38:38AM -0700, Jason Gunthorpe wrote:
> On Wed, Feb 11, 2015 at 10:21:36AM +0100, Fabian Holler wrote:
> > On Tue, Feb 10, 2015 at 11:00:39AM -0700, Jason Gunthorpe wrote:
> > > On Tue, Feb 10, 2015 at 04:56:43PM +0100, Fabian Holler wrote:
> > > 
> > > > Does anybody have an idea what could be wrong?
> > > > Are the PATH_MIG* notifications with mlx4 drivers are working for somebody?
[..]
> > The event handler specified in the struct ib_qp_init_attr * parameter of
> > rdma_create_qp() is registered as QP event handler.
> > rdma_create_qp() calls ib_create_qp() and sets qp->event_handler to
> > ib_qp_init_attr->event_handler.
> 
> Okay, right, I was thinking of something else.
> 
> We had exactly this working a few months ago for a demo, in kernel
> using Lustre and RDMA CM. I checked the patches we made and yes, the
> event_handler was being properly called with IB_EVENT_PATH_MIG on
> mlx4 and qib cards.

are your patches for APM support with RDMA CM available somewhere?
We would be glad to test them :-)


regards

Fabian

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