----- Original Message ----- > 5.6.0-0.rc3 crashed as well. On s390x I'm using it's enough to > "cat /sys/fs/cgroup/cpu.pressure" to trigger. Fix has already been posted: https://lore.kernel.org/lkml/20200224030007.3990-1-cai@lca.pw/ With this patch applied, I no longer see crashes with 5.6.0-rc4+.