uvm_fault(0xfffffd806bc0a220, 0xa, 0, 1) -> e
kernel: page fault trap, code=0
Stopped at      vio_rxeof+0x191:        movzwl  0xa(%r15),%eax
ddb> 
ddb> set $lines = 0
ddb> set $maxwidth = 0
ddb> show panic
kernel page fault
uvm_fault(0xfffffd806bc0a220, 0xa, 0, 1) -> e
vio_rxeof(ffff80000017a000) at vio_rxeof+0x191 sys/dev/pv/if_vio.c:1018
end trace frame: 0xffff80001d79cb30, count: 0
ddb> trace
vio_rxeof(ffff80000017a000) at vio_rxeof+0x191 sys/dev/pv/if_vio.c:1018
vio_rx_intr(ffff80000017a050) at vio_rx_intr+0x4d sys/dev/pv/if_vio.c:1056
virtio_check_vqs(ffff80000002ea00) at virtio_check_vqs+0x150 sys/dev/pv/virtio.c:228
intr_handler(ffff80001d79cbe0,ffff800000655380) at intr_handler+0x4d sys/arch/amd64/amd64/intr.c:537
Xintr_ioapic_edge19_untramp() at Xintr_ioapic_edge19_untramp+0x19f
__sanitizer_cov_trace_pc() at __sanitizer_cov_trace_pc+0x3f kd_curproc sys/dev/kcov.c:416 [inline]
__sanitizer_cov_trace_pc() at __sanitizer_cov_trace_pc+0x3f sys/dev/kcov.c:79
uvm_map_fix_space(fffffd806bc0add0,fffffd805e8aaa18,589e9780000,7f7fffffc000,0) at uvm_map_fix_space+0x40d sys/uvm/uvm_map.c:5241
uvm_map_mkentry(fffffd806bc0add0,fffffd80586ae808,fffffd80586ae808,589e9718000,68000,0) at uvm_map_mkentry+0x223 sys/uvm/uvm_map.c:1703
uvm_mapent_clone(fffffd806bc0add0,589e9718000,68000,0,5,7) at uvm_mapent_clone+0x9e sys/uvm/uvm_map.c:3775
uvm_mapent_forkcopy(1,fffffd806bc0add0,fffffd806bc0a220,fffffd8057cd6d98,ffff80001d79cfc0) at uvm_mapent_forkcopy+0x6a sys/uvm/uvm_map.c:3876
uvmspace_fork(ffff80001d6c55d0) at uvmspace_fork+0x226
process_new(ffff80001d6c24f8,ffff80001d6c55d0,1) at process_new+0x16f sys/kern/kern_fork.c:258
fork1(ffff80001d6a9ea8,1,ffffffff81b155f0,0,ffff80001d79d1a0,0) at fork1+0x31b sys/kern/kern_fork.c:377
syscall(ffff80001d79d220) at syscall+0x507 sys/arch/amd64/amd64/trap.c:570
Xsyscall() at Xsyscall+0x128
end of kernel
end trace frame: 0x7f7ffffc7400, count: -15
ddb> Connection to ssh-serialport.googleapis.com closed by remote host.