On Tue, Jun 01, 2021 at 11:59:44PM +0800, Zhu Yanjun wrote: > On Tue, Jun 1, 2021 at 5:09 PM Kamal Heib <kamalheib1@xxxxxxxxx> wrote: > > > > On Tue, Jun 01, 2021 at 04:11:08PM +0800, Zhu Yanjun wrote: > > > On Tue, Jun 1, 2021 at 3:56 PM kamal heib <kamalheib1@xxxxxxxxx> wrote: > > > > > > > > > > > > > > > > > On 1 Jun 2021, at 10:45, Zhu Yanjun <zyjzyj2000@xxxxxxxxx> wrote: > > > > > > > > > > On Tue, Jun 1, 2021 at 1:58 PM Kamal Heib <kamalheib1@xxxxxxxxx> wrote: > > > > >> > > > > >> To avoid the following failure when trying to load the rdma_rxe module > > > > >> while IPv6 is disabled, Add a check to make sure that IPv6 is enabled > > > > >> before trying to create the IPv6 UDP tunnel. > > > > >> > > > > >> $ modprobe rdma_rxe > > > > >> modprobe: ERROR: could not insert 'rdma_rxe': Operation not permitted > > > > > > > > > > About this problem, this link: > > > > > https://patchwork.kernel.org/project/linux-rdma/patch/20210413234252.12209-1-yanjun.zhu@xxxxxxxxx/ > > > > > also tries to solve ipv6 problem. > > > > > > > > > > Zhu Yanjun > > > > > > > > > > > > > Yes, but this patch is fixing the problem more cleanly and I’ve tested it. > > Please check this link > https://lore.kernel.org/linux-rdma/20210326012723.41769-1-yanjun.zhu@xxxxxxxxx/T/ > carefully. > > Please pay attention to the comments from Jason Gunthorpe I think the comment still holds, the correct fix is to detect the -97 errno down in the call chain and just ignore ipv6 support in this case. Jason