------------[ cut here ]------------ IRQs not enabled as expected WARNING: CPU: 1 PID: 3873 at fs/eventpoll.c:683 ep_scan_ready_list+0x826/0xb20 fs/eventpoll.c:683 Kernel panic - not syncing: panic_on_warn set ... CPU: 1 PID: 3873 Comm: udevd Not tainted 5.0.0-rc5-next-20190208 #31 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 Call Trace: __dump_stack lib/dump_stack.c:77 [inline] dump_stack+0x172/0x1f0 lib/dump_stack.c:113 panic+0x2cb/0x65c kernel/panic.c:214 __warn.cold+0x20/0x45 kernel/panic.c:571 report_bug+0x263/0x2b0 lib/bug.c:186 fixup_bug arch/x86/kernel/traps.c:178 [inline] fixup_bug arch/x86/kernel/traps.c:173 [inline] do_error_trap+0x11b/0x200 arch/x86/kernel/traps.c:271 do_invalid_op+0x37/0x50 arch/x86/kernel/traps.c:290 invalid_op+0x14/0x20 arch/x86/entry/entry_64.S:973 RIP: 0010:ep_scan_ready_list+0x826/0xb20 fs/eventpoll.c:683 Code: ff 44 89 fe e8 db 57 ac ff 45 84 ff 0f 85 14 f9 ff ff e8 8d 56 ac ff 48 c7 c7 60 83 76 87 c6 05 8d 72 95 07 01 e8 d8 37 7f ff <0f> 0b e9 f5 f8 ff ff e8 6e 56 ac ff 48 8d 7b 50 48 89 f8 48 c1 e8 RSP: 0018:ffff888081c27c08 EFLAGS: 00010286 RAX: 0000000000000000 RBX: ffffffff81c442b0 RCX: 0000000000000000 RDX: 0000000000000000 RSI: ffffffff815ac0a6 RDI: ffffed1010384f73 RBP: ffff888081c27cd0 R08: ffff888081c18440 R09: fffffbfff1133435 R10: fffffbfff1133434 R11: ffffffff8899a1a3 R12: ffff888064626c80 R13: ffff888081c27dc0 R14: 0000000000000000 R15: 0000000000000000 ep_send_events fs/eventpoll.c:1798 [inline] ep_poll+0x1f9/0xe50 fs/eventpoll.c:1935 do_epoll_wait+0x1b3/0x200 fs/eventpoll.c:2299 __do_sys_epoll_wait fs/eventpoll.c:2309 [inline] __se_sys_epoll_wait fs/eventpoll.c:2306 [inline] __x64_sys_epoll_wait+0x97/0xf0 fs/eventpoll.c:2306 do_syscall_64+0x103/0x610 arch/x86/entry/common.c:290 entry_SYSCALL_64_after_hwframe+0x49/0xbe RIP: 0033:0x7fa1b5e63943 Code: 00 31 d2 48 29 c2 64 89 11 48 83 c8 ff eb ea 90 90 90 90 90 90 90 90 83 3d b5 dc 2a 00 00 75 13 49 89 ca b8 e8 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 34 c3 48 83 ec 08 e8 3b c4 00 00 48 89 04 24 RSP: 002b:00007ffed2505348 EFLAGS: 00000246 ORIG_RAX: 00000000000000e8 RAX: ffffffffffffffda RBX: 0000000000000bb8 RCX: 00007fa1b5e63943 RDX: 0000000000000008 RSI: 00007ffed2505440 RDI: 000000000000000a RBP: 0000000000000001 R08: 0000000000000000 R09: 0000000000000001 R10: 0000000000000bb8 R11: 0000000000000246 R12: 0000000000000003 R13: 0000000000000000 R14: 00000000025d61b0 R15: 00000000025d6250 Kernel Offset: disabled Rebooting in 86400 seconds..