On Wed, Jun 30, 2021 at 02:54:24PM +0800, www wrote: > Dear all, > > > systemd version: v234 > kernel version: 5.1.5 That is a very old and obsolete and insecure and known-buggy kernel version. Please work with the vendor who is forcing you to use this kernel version as you are paying them for support for this. If you are not paying for support, please move to the latest kernel release (5.13) and see if the problem is there as well. thanks, greg k-h _______________________________________________ systemd-devel mailing list systemd-devel@xxxxxxxxxxxxxxxxxxxxx https://lists.freedesktop.org/mailman/listinfo/systemd-devel