On 2017-12-13 20:14:54 [+0100], bert schulze wrote: > Yes as timer migration kicked in on boot causing the interrupt storm. > Disabling it all together there are no more hangs on boot. and with the patch I Cced you one we have fix for that but there is more… > This is sleep from coreutils, I'm not setting up anything here. > top, cyclictest whatever using nanosleep is broken. that sleep should be also affected. > Tried that as mentioned, no interrupt storm and nothing fails to expire. > (Add mainline 4.14 upto 4.14.5 to the list of working versions). … > Do you need anything else that would be helpful? bisect with RT is an exercise of its own. It looks that if you set rcu_normal_after_boot to 0 in kernel/rcu/update.c then other problem should go away and everything is "normal" now, right? Now I need to figure why that is broken… 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
