[  49.0914514] panic: cpu1: softints stuck for 16 seconds
[  49.4875032] cpu1: Begin traceback...
[  49.4875032] : USB revision 2.0
[  49.7845675] uhub1 at usb1: NetBSD (0x0000) VHCI root hub (0x0000), class 9/0, rev 2.00/1.00, addr 1
[  49.8845699] vpanic() at [  50.3746084] netbsd:vpanic+0x27a
[  51.6146433] panic() at netbsd:panic+0x9d sys/kern/subr_prf.c:1084
[  52.7945918] heartbeat() at netbsd:heartbeat+0x759 heartbeat_timecounter_suspended sys/kern/kern_heartbeat.c:232 [inline]
[  52.7945918] heartbeat() at netbsd:heartbeat+0x759 sys/kern/kern_heartbeat.c:672
[  53.8546252] hardclock() at netbsd:hardclock+0x182 sys/kern/kern_clock.c:347
[  54.8346167] Xresume_lapic_ltimer() at netbsd:Xresume_lapic_ltimer+0x1e
[  55.2046407] --- interrupt ---
[  56.1446625] trace_cmp() at netbsd:trace_cmp+0x4e sys/kern/subr_kcov.c:671
[  57.3146288] _kernel_lock() at netbsd:_kernel_lock+0x48c sys/kern/kern_lock.c:268
[  58.3846356] frag6_fasttimo() at netbsd:frag6_fasttimo+0x30 sys/netinet6/frag6.c:662
[  59.4446698] pffasttimo() at netbsd:pffasttimo+0x68 sys/kern/uipc_domain.c:770
[  60.5546713] callout_softclock() at netbsd:callout_softclock+0x1a6 sys/kern/kern_timeout.c:873
[  61.6846427] softint_dispatch() at usb2 at vhci2: USB revision 2.0
[  61.9546503] netbsd:softint_dispatchuhub2 at usb2+0x37a
[  62.1346983] : NetBSD (0x0000) VHCI root hub (0x0000), class 9/0, rev 2.00/1.00, addr 1
address 0xffffc9022fcc30b8 is invalid
address 0xffffc9022fcc30b0 is invalid
address 0xffffc9022fcc30c0 is invalid
address 0xffffc9022fcc30b8 is invalid
address 0xffffc9022fcc30c8 is invalid
address 0xffffc9022fcc30c0 is invalid
address 0xffffc9022fcc30d0 is invalid
address 0xffffc9022fcc30c8 is invalid
[  63.5746572] DDB lost frame for netbsd:Xsoftintr+0x57, trying 0xffffc9022fcc2ff0
[  64.3247268] Xsoftintr() at netbsd:Xsoftintr+0x57
[  64.6346911] --- interrupt ---
address 0xffffc9022fcc30c8 is invalid
address 0xffffc9022fcc3080 is invalid
[  65.0152403] 41b58ab3:
[  65.1048773] cpu1: End traceback...
[  65.2346729] fatal breakpoint trap in supervisor mode
[  65.4346876] trap type 1 code 0 rip 0xffffffff8023240d cs 0x8 rflags 0x246 cr2 0 ilevel 0x7 rsp 0xffffc9022fcc2898
[  65.8346996] curlwp 0xffffc90010cac240 pid 0.26 lowest kstack 0xffffc9022fcbb2c0
Stopped in pid 0.26 (system) at netbsd:breakpoint+0x5:  leave
breakpoint() at netbsd:breakpoint+0x5
db_panic() at netbsd:db_panic+0x105 sys/ddb/db_panic.c:71
vpanic() at netbsd:vpanic+0x27a sys/kern/subr_prf.c:288
panic() at netbsd:panic+0x9d sys/kern/subr_prf.c:1084
heartbeat() at netbsd:heartbeat+0x759 heartbeat_timecounter_suspended sys/kern/kern_heartbeat.c:232 [inline]
heartbeat() at netbsd:heartbeat+0x759 sys/kern/kern_heartbeat.c:672
hardclock() at netbsd:hardclock+0x182 sys/kern/kern_clock.c:347
Xresume_lapic_ltimer() at netbsd:Xresume_lapic_ltimer+0x1e
--- interrupt ---
trace_cmp() at netbsd:trace_cmp+0x4e sys/kern/subr_kcov.c:671
_kernel_lock() at netbsd:_kernel_lock+0x48c sys/kern/kern_lock.c:268
frag6_fasttimo() at netbsd:frag6_fasttimo+0x30 sys/netinet6/frag6.c:662
pffasttimo() at netbsd:pffasttimo+0x68 sys/kern/uipc_domain.c:770
--db_more--