[ewg] Re: Possible process deadlock in RMPP flow

[Eli Cohen]

On Thu, Sep 24, 2009 at 08:53:24AM -0700, Sean Hefty wrote:
> >Thanks Or. This one is already in OFED 1.4.2 but apparently this is a
> >different problem. Once I have information whether the patch Roland
> >posted fixed it I will update the list.
> 
> If ibnetdiscover doesn't use RMPP as Hal indicated, I don't think Roland's patch
> will help.

Right, it doesn't help. Still it appears that ibnetdiscover triggers
this problem and the lock seams to appear at ib_cancel_rmpp_recvs()
waiting for flush_workqueue() to return. Do you know which apps or
ULPs make use of RMPPs?
Any other ideas what this could be?