OK, then try the latest 6.9.6 kernel in OBS Kernel:stable repo, and verify that the problem persists. If yes, try the 6.10-rc kernel in OBS Kernel:HEAD repo. If the problem appears in both, it's a remaining regression in the upstream, and it should be reported / fixed there. See https://www.kernel.org/doc/html/latest/admin-guide/reporting-regressions.html