On 2021/8/20 11:31, Zhu Yanjun wrote: > Latest kernel + latest rdma-coOnre< ------rping----> 5.10.y stable + > latest rdma-core > Latest kernel + latest rdma-core< ------rping----> 5.11.y stable + > latest rdma-core > Latest kernel + latest rdma-core< ------rping----> 5.12.y stable + > latest rdma-core > Latest kernel + latest rdma-core< ------rping----> 5.13.y stable + > latest rdma-core > > The above works well. Hi Yanjun, Sorry, I don't know why you cannot reproduce the bug. Did you see the similar bug reported by Olga Kornievskaia? https://www.spinics.net/lists/linux-rdma/msg104358.html https://www.spinics.net/lists/linux-rdma/msg104359.html https://www.spinics.net/lists/linux-rdma/msg104360.html Best Regards, Xiao Yang > Zhu Yanjun >