On Mon, May 09, 2022 at 08:31:22PM +0800, Yanjun Zhu wrote: > [ 36.700285] <TASK> > [ 36.700291] dump_stack_lvl+0x70/0xa0 > [ 36.700323] dump_stack+0x10/0x12 > [ 36.700329] __might_resched.cold+0x102/0x13a > [ 36.700350] __might_sleep+0x43/0x70 > [ 36.700368] wait_for_completion_timeout+0x40/0x160 > [ 36.700373] ? _raw_spin_unlock_irqrestore+0x4f/0x80 > [ 36.700381] ? complete+0x4c/0x60 > [ 36.700403] __rxe_cleanup+0xaf/0xc0 [rdma_rxe] > [ 36.700431] rxe_destroy_ah+0x12/0x20 [rdma_rxe] > [ 36.700440] rdma_destroy_ah_user+0x3a/0x80 [ib_core] > [ 36.700464] cm_free_priv_msg+0x44/0xf0 [ib_cm] > [ 36.700477] cm_send_handler+0x10b/0x2f0 [ib_cm] > [ 36.700510] timeout_sends+0x1aa/0x230 [ib_core] > [ 36.700544] process_one_work+0x2a9/0x5e0 > [ 36.700567] worker_thread+0x4d/0x3c0 > [ 36.700582] ? process_one_work+0x5e0/0x5e0 > [ 36.700588] kthread+0x10a/0x130 > [ 36.700594] ? kthread_complete_and_exit+0x20/0x20 > [ 36.700604] ret_from_fork+0x22/0x30 > > [ 36.700650] </TASK> That is the AH bug again, nothing to do with RCU. Jason
