On Mon, Jul 17, 2017 at 05:30:45PM +0000, Marciniszyn, Mike wrote: > > Subject: Re: [PATCH 4.4 29/57] RDMA/uverbs: Check port number supplied > > by user verbs cmds > > > > On Thu, Jul 13, 2017 at 03:54:28PM +0000, Ismail, Mustafa wrote: > > > > Subject: [PATCH 4.4 29/57] RDMA/uverbs: Check port number supplied > > by > > > > user verbs cmds > > > > > > > > 4.4-stable review patch. If anyone has any objections, please let me > > know. > > > > > > Yes, this breaks modify qp. > > > See https://patchwork.kernel.org/patch/9830663/ > > > > I don't understand this response at all, sorry. > > > > What should I do about this? Is this patch alone a problem? Is there > > some other patch I should apply that is in Linus's tree? Where is the > > problem, only in this old release? > > > > totally confused, > > > > This patch utterly breaks qib and hfi1 on at least 4.10.11 stable kernel. > > I suspect and will soon verify that v4.13-rc1 is broke as well. it should be broken, see the patches submitted already to fix it :)