On Fri, 2020-09-18 at 16:39 +0800, lixiaokeng wrote: > > Here we use multipath-tools basing on iscsi. When iscsi logout, > the path > will disappear in sysfs and a uevent will cause. Before uevent > processed, > some coredump will happen but if coredump is solved the multipathd > will > deal with the disappeared path latter. > In this set, the funcs will not be processed when multipath-tools > bases > on iscsi. However, I think multipathd will deal with the disappeared > path > like basing on iscsi. So I just check them. Anyway, if you have any > better > idea, please tell me. Of course we need to avoid the segfaults. As I said, please fix your patches and resend. It's good to know that just avoiding the NULL dereferences fixes the issues you were seeing. Perhaps it would be sufficient to set INIT_REMOVED on a path device when something like this happens. But I need to think it through. Martin -- dm-devel mailing list dm-devel@xxxxxxxxxx https://www.redhat.com/mailman/listinfo/dm-devel
