On Tue, Jan 10, 2017 at 12:40:39AM +0100, Borislav Petkov wrote: > Lemme run it. Well, it boots but I get: [ 0.291447] ------------[ cut here ]------------ [ 0.291702] WARNING: CPU: 0 PID: 1 at kernel/rcu/tree.c:3993 rcu_scheduler_starting+0x5c/0x70 [ 0.292107] Modules linked in: [ 0.292277] CPU: 0 PID: 1 Comm: swapper/0 Not tainted 4.10.0-rc3+ #21 [ 0.292540] Hardware name: HP HP EliteBook 745 G3/807E, BIOS N73 Ver. 01.08 01/28/2016 [ 0.292893] Call Trace: [ 0.293072] ? dump_stack+0x46/0x63 [ 0.293285] ? __warn+0xec/0x110 [ 0.293487] ? rcu_scheduler_starting+0x5c/0x70 [ 0.293735] ? kernel_init_freeable+0x58/0x19a [ 0.293976] ? rest_init+0x80/0x80 [ 0.294153] ? kernel_init+0xa/0x100 [ 0.294334] ? ret_from_fork+0x22/0x30 [ 0.294525] ---[ end trace 4c0fe009ed4dc740 ]--- TBH, I like Rafael's suggestion in the other mail to stick with fixing this in ACPI, especially this is an ACPI problem, not RCU. Well, more or less: RCU could be taught to *not* do schedule_work() if workqueue_init() hasn't happened yet but that's a tangential. So, I'm going to bed. When I wake up, I want to see working fixes! :-))) Thanks dudes! -- Regards/Gruss, Boris. Good mailing practices for 400: avoid top-posting and trim the reply. -- To unsubscribe from this list: send the line "unsubscribe linux-acpi" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html