|rcu: INFO: rcu_preempt detected stalls on CPUs/tasks: |rcu: Tasks blocked on level-0 rcu_node (CPUs 0-1): |------------[ cut here ]------------ |WARNING: CPU: 1 PID: 0 at kernel/sched/core.c:3009 try_invoke_on_locked_down_task+0x8a/0x120 |Modules linked in: |CPU: 1 PID: 0 Comm: swapper/1 Tainted: G W 5.10.0-rc1+ #27 |Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.14.0-1 04/01/2014 |EIP: try_invoke_on_locked_down_task+0x8a/0x120 |Call Trace: | rcu_sched_clock_irq.cold+0x269/0x459 | update_process_times+0x44/0x80 | tick_sched_timer+0xe1/0x140 | __hrtimer_run_queues+0x216/0x560 | hrtimer_interrupt+0x115/0x260 | __sysvec_apic_timer_interrupt+0x88/0x2c0 | sysvec_apic_timer_interrupt+0x39/0x50 | handle_exception+0x10e/0x10e rcu_sched_clock_irq.cold+0x269/0x459 is kernel/rcu/tree_stall.h:267 kernel/rcu/tree_stall.h:475 kernel/rcu/tree_stall.h:634 kernel/rcu/tree.c:3696 kernel/rcu/tree.c:2569 Sebastian
