On Mon, May 09, 2022 at 04:01:19PM +0800, Zhu Yanjun wrote: > I delved into the above calltrace. It is the same with the problem in > the link https://www.spinics.net/lists/linux-rdma/msg109875.html Yes > So IMHO, the fix in this link > https://patchwork.kernel.org/project/linux-rdma/patch/20220422194416.983549-1-yanjun.zhu@xxxxxxxxx/ > should fix this problem. I'm not going to apply a hacky patch like that, it needs proper fixing. > And if we want to use BH, it is very possible that the problem in the > link https://patchwork.kernel.org/project/linux-rdma/patch/20220210073655.42281-4-guoqing.jiang@xxxxxxxxx/ > will occur. > > And to the RCU patch series in the link > https://patchwork.kernel.org/project/linux-rdma/patch/20220421014042.26985-2-rpearsonhpe@xxxxxxxxx/ > I also delved into this patch series. And I found that an atomic > problem will occur if we apply RCU patches onto V5.18-rc5. > And because of the atomic problem, I can not verify that this RCU > patches can fix this problem currently. What is the oops? Jason
