panic: bad stray interrupt

[emaste]

arm64 at r282827 in QEMU

root@:~ # panic: bad stray interrupt KDB: stack backtrace: db_trace_self() at db_trace_self_wrapper+0x28 pc = 0xffffff800037fdd8 lr = 0xffffff800001730c sp = 0xffffff809cf296a0 fp = 0xffffff809cf297c0

db_trace_self_wrapper() at vpanic+0xa4 pc = 0xffffff800001730c lr = 0xffffff800013ca98 sp = 0xffffff809cf297d0 fp = 0xffffff809cf29840

vpanic() at kassert_panic+0x144 pc = 0xffffff800013ca98 lr = 0xffffff800013c9f0 sp = 0xffffff809cf29850 fp = 0xffffff809cf29920

kassert_panic() at intr_event_handle+0x108 pc = 0xffffff800013c9f0 lr = 0xffffff800010f3e0 sp = 0xffffff809cf29930 fp = 0xffffff809cf29980

intr_event_handle() at arm_dispatch_intr+0x58 pc = 0xffffff800010f3e0 lr = 0xffffff8000383208 sp = 0xffffff809cf29990 fp = 0xffffff809cf299b0

arm_dispatch_intr() at gic_dispatch+0x2c pc = 0xffffff8000383208 lr = 0xffffff80003822ec sp = 0xffffff809cf299c0 fp = 0xffffff809cf299e0

gic_dispatch() at arm_cpu_intr+0x60 pc = 0xffffff80003822ec lr = 0xffffff8000383320 sp = 0xffffff809cf299f0 fp = 0xffffff809cf29a00

arm_cpu_intr() at handle_el1h_irq+0x58 pc = 0xffffff8000383320 lr = 0xffffff8000381108 sp = 0xffffff809cf29a10 fp = 0xffffff809cf29b30

handle_el1h_irq() at sched_idletd+0x120 pc = 0xffffff8000381108 lr = 0xffffff8000162b6c sp = 0xffffff809cf29b40 fp = 0xffffff809cf29b70

sched_idletd() at fork_exit+0x7c pc = 0xffffff8000162b6c lr = 0xffffff800010c8c8 sp = 0xffffff809cf29b80 fp = 0xffffff809cf29bb0

fork_exit() at fork_trampoline+0x10 pc = 0xffffff800010c8c8 lr = 0xffffff800038a65c sp = 0xffffff809cf29bc0 fp = 0x0000000000000000

KDB: enter: panic

[zxombie]

It looks like we are getting an interrupt when there is no handler. How reproducible it is?

[emaste]

So far I've only seen it once

[emaste]

Presumed OBE