Switched APIC routing to physical x2apic.
..TIMER: vector=0x30 apic1=0 pin1=0 apic2=-1 pin2=-1
smpboot: CPU0: Intel(R) Xeon(R) CPU @ 2.30GHz (family: 0x6, model: 0x3f, stepping: 0x0)
Performance Events: unsupported p6 CPU model 63 no PMU driver, software events only.
------------[ cut here ]------------
WARNING: CPU: 0 PID: 1 at ./include/linux/cpumask.h:121 cpumask_check.part.0+0x1c/0x20 include/linux/cpumask.h:121
Kernel panic - not syncing: panic_on_warn set ...

CPU: 0 PID: 1 Comm: swapper/0 Not tainted 4.9.190 #174
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
 ffff88012b077860 ffffffff82b5c2fe ffffffff87c26e00 fffffbfff0d98fa4
 0000000000000000 ffffffff85c8fb80 00000000ffffffff 0000000000000000
 0000000000000009 ffff88012b077920 ffffffff81672464 0000000041b58ab3
Call Trace:
 [<ffffffff82b5c2fe>] __dump_stack lib/dump_stack.c:15 [inline]
 [<ffffffff82b5c2fe>] dump_stack+0x138/0x19a lib/dump_stack.c:51
 [<ffffffff81672464>] panic+0x1f2/0x421 kernel/panic.c:180
 [<ffffffff816726f0>] __warn.cold+0x2f/0x2f kernel/panic.c:546
 [<ffffffff81370fcd>] warn_slowpath_null+0x2d/0x40 kernel/panic.c:589
 [<ffffffff813f59fc>] cpumask_check.part.0+0x1c/0x20 include/linux/cpumask.h:121
 [<ffffffff81405d63>] cpumask_check include/linux/cpumask.h:121 [inline]
 [<ffffffff81405d63>] cpumask_test_cpu include/linux/cpumask.h:317 [inline]
 [<ffffffff81405d63>] select_task_rq kernel/sched/core.c:1618 [inline]
 [<ffffffff81405d63>] try_to_wake_up+0x9c3/0xd30 kernel/sched/core.c:2089
 [<ffffffff814060e0>] wake_up_process+0x10/0x20 kernel/sched/core.c:2166
 [<ffffffff813c24f3>] create_worker+0x3a3/0x530 kernel/workqueue.c:1795
 [<ffffffff813c7888>] get_unbound_pool kernel/workqueue.c:3362 [inline]
 [<ffffffff813c7888>] alloc_unbound_pwq+0x748/0xbc0 kernel/workqueue.c:3509
 [<ffffffff813cf719>] apply_wqattrs_prepare+0x499/0x970 kernel/workqueue.c:3658
 [<ffffffff813cfc97>] apply_workqueue_attrs_locked+0xa7/0x140 kernel/workqueue.c:3735
 [<ffffffff813d0a11>] apply_workqueue_attrs+0x31/0x50 kernel/workqueue.c:3768
 [<ffffffff813d3724>] alloc_and_link_pwqs kernel/workqueue.c:3890 [inline]
 [<ffffffff813d3724>] __alloc_workqueue_key+0x564/0xe80 kernel/workqueue.c:3965
 [<ffffffff877ccf78>] init_workqueues+0x9b0/0xb47 kernel/workqueue.c:5573
 [<ffffffff81002280>] do_one_initcall+0xa0/0x220 init/main.c:780
 [<ffffffff87774bfe>] do_pre_smp_initcalls init/main.c:880 [inline]
 [<ffffffff87774bfe>] kernel_init_freeable+0x2ee/0x532 init/main.c:1010
 [<ffffffff85b788b4>] kernel_init+0x12/0x15e init/main.c:946
 [<ffffffff85b930ca>] ret_from_fork+0x2a/0x40 arch/x86/entry/entry_64.S:375
Rebooting in 86400 seconds..