[  35.0084741] panic: cpu0: softints stuck for 16 seconds
[  35.0084741] cpu1: found cpu0 heart stopped beating after 16 seconds
[  35.0084741] cpu0: Begin traceback...
[  35.0084741] usb0 at vhci0: USB revision 2.0
[  35.0084741] uhub0 at usb0: NetBSD (0x0000) VHCI root hub (0x0000), class 9/0, rev 2.00/1.00, addr 1
[  35.0084741] vpanic() at [  35.0084741] netbsd:vpanic+0x27a
[  35.0084741] panic() at netbsd:panic+0x9d sys/kern/subr_prf.c:1084
[  35.0084741] heartbeat() at netbsd:heartbeat+0x759 heartbeat_timecounter_suspended sys/kern/kern_heartbeat.c:232 [inline]
[  35.0084741] heartbeat() at netbsd:heartbeat+0x759 sys/kern/kern_heartbeat.c:672
[  35.0084741] hardclock() at netbsd:hardclock+0x182 sys/kern/kern_clock.c:347
[  35.0084741] Xresume_lapic_ltimer() at netbsd:Xresume_lapic_ltimer+0x1e
[  35.0084741] --- interrupt ---
[  35.0084741] trace_cmp() at netbsd:trace_cmp+0x25 sys/kern/subr_kcov.c:627
[  35.0084741] _kernel_lock() at netbsd:_kernel_lock+0x4ae sys/kern/kern_lock.c:270
[  35.0084741] if_slowtimo_intr() at netbsd:if_slowtimo_intr+0xc6 if_slowtimo_countdown sys/net/if.c:2639 [inline]
[  35.0084741] if_slowtimo_intr() at netbsd:if_slowtimo_intr+0xc6 sys/net/if.c:2655
[  35.0084741] callout_softclock() at netbsd:callout_softclock+0x1a6 sys/kern/kern_timeout.c:873
[  35.0084741] softint_dispatch() at netbsd:softint_dispatch+0x37a softint_execute sys/kern/kern_softint.c:605 [inline]
[  35.0084741] softint_dispatch() at netbsd:softint_dispatch+0x37a sys/kern/kern_softint.c:848
address 0xffffb1022fbdb0b8 is invalid
address 0xffffb1022fbdb0b0 is invalid
address 0xffffb1022fbdb0c0 is invalid
address 0xffffb1022fbdb0b8 is invalid
address 0xffffb1022fudb01  tiv hnial: 
  3d.e08 7xf] USb r2vibidb c00
s invalid
adduhus  xt usb10: NbdBSd0(is 0i0)alid[
 d5r00s 7xf] I r0o2 hub0c8x0s00nv cla
[  35.0084741] s 9/0, rev 2.00/1.00, addr 1
[  35.0084741] DDB lost frame for [  35.0084741] netbsd:Xsoftintr+0x57, trying 0xffffb1022fbdaff0
[  35.0084741] Xsoftintr() at netbsd:Xsoftintr+0x57
[  35.0084741] --- interrupt ---
address 0xffffb1022fbdb0c8 is invalid
address 0xffffb1022fbdb080 is invalid
[  35.0084741] 41b58ab3:
[  35.0084741] cpu0: End traceback...
[  35.0084741] fatal breakpoint trap in supervisor mode
[  35.0084741] trap type 1 code 0 rip 0xffffffff8023240d cs 0x8 rflags 0x246 cr2 0 ilevel 0x7 rsp 0xffffb1022fbda8b8
[  35.0084741] curlwp 0xffffb1000fb32080 pid 0.5 lowest kstack 0xffffb1022fbd32c0
Stopped in pid 0.5 (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+0x25 sys/kern/subr_kcov.c:627
_kernel_lock() at netbsd:_kernel_lock+0x4ae sys/kern/kern_lock.c:270
if_slowtimo_intr() at netbsd:if_slowtimo_intr+0xc6 if_slowtimo_countdown sys/net/if.c:2639 [inline]
if_slowtimo_intr() at netbsd:if_slowtimo_intr+0xc6 sys/net/if.c:2655
callout_softclock() at netbsd:callout_softclock+0x1a6 sys/kern/kern_timeout.c:873
--db_more--