On 2017-03-20 22:18:16 [+0100], To Wargreen wrote: > 1993 wants exclusive_lock and blocks on it. > 2230 has exclusive_lock and blocks on mclk_lock. > 2448 has mclk_lock nad reservation_ww_class_mutex. I *think* that one > waits for an IRQ from the GPU which is not coming. My guess is, that it > sits somewhere in ttm_bo_vm_fault_idle() and waits for wakeup. > If this triggers so easy, could you please check if the interrupt > counter for radeon in /proc/interrupts increases after the accident? The other theory is that the code can't continue because we can't have multiple reader of exclusive_lock. I will try to verify that but this will take some time… Sebastian -- To unsubscribe from this list: send the line "unsubscribe linux-rt-users" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
