raspi3 machine can not shutdown

This bug has been copied automatically from: https://bugs.launchpad.net/qemu/+bug/1840777

tag v4.1.0

Running "shutdown" within a raspi3 image leads to kernel panic:

         Starting Power-Off...
[   39.719617] systemd-shutdow: 39 output lines suppressed due to
ratelimiting
[   39.922997] systemd-shutdown[1]: Syncing filesystems and block devices.
[   39.962415] systemd-shutdown[1]: Sending SIGTERM to remaining
processes...
[   40.006842] systemd-journald[186]: Received SIGTERM from PID 1
(systemd-shutdow).
[   40.060745] systemd-shutdown[1]: Sending SIGKILL to remaining
processes...
[   40.098318] systemd-shutdown[1]: Unmounting file systems.
[   40.108351] systemd-shutdown[455]: Remounting '/' read-only in with
options 'data=ordered'.
[   40.128919] EXT4-fs (mmcblk0p2): re-mounted. Opts: data=ordered
[   40.152844] systemd-shutdown[1]: All filesystems unmounted.
[   40.153239] systemd-shutdown[1]: Deactivating swaps.
[   40.154701] systemd-shutdown[1]: All swaps deactivated.
[   40.155062] systemd-shutdown[1]: Detaching loop devices.
[   40.159792] systemd-shutdown[1]: All loop devices detached.
[   40.201746] kvm: exiting hardware virtualization
[   40.207628] reboot: Power down
bcm2835-pm: unimplemented device read (size 4, offset 0x20)
bcm2835-pm: unimplemented device write (size 4, value 0x5a000555, offset
0x20)
bcm2835-pm: unimplemented device write (size 4, value 0x5a00000a, offset
0x24)
bcm2835-pm: unimplemented device read (size 4, offset 0x1c)
bcm2835-pm: unimplemented device write (size 4, value 0x5a000020, offset
0x1c)
[   40.229604] systemd-shutdow: 4 output lines suppressed due to
ratelimiting
[   40.230849] Kernel panic - not syncing: Attempted to kill init!
exitcode=0x00000000
[   40.230849]
[   40.231781] CPU: 0 PID: 1 Comm: systemd-shutdow Not tainted
4.14.0-3-arm64 #1 Debian 4.14.12-2
[   40.232470] Hardware name: Raspberry Pi 3 Model B (DT)
[   40.233206] Call trace:
[   40.234096] [<ffff00000808a708>] dump_backtrace+0x0/0x280
[   40.234519] [<ffff00000808a9ac>] show_stack+0x24/0x30
[   40.234972] [<ffff00000885bb7c>] dump_stack+0x9c/0xc0
[   40.235378] [<ffff0000080d1bd4>] panic+0x138/0x2b4
[   40.235805] [<ffff0000080d72d4>] do_exit+0xa04/0xa08
[   40.236260] [<ffff0000080fa9d8>] SyS_reboot+0x178/0x260
[   40.236915] Exception stack(0xffff00000802bec0 to 0xffff00000802c000)
[   40.237487] bec0: fffffffffee1dead 0000000028121969 000000004321fedc
adc576109fd73c00
[   40.237949] bee0: 0000000000000028 8080800000000000 0000ffffad2392f8
7f7f7f7f7f7f7f7f
[   40.238376] bf00: 000000000000008e 0000000000000000 0000000000000069
0000000000000000
[   40.238744] bf20: 0000000000000000 0000000000000020 0000000000000000
0000000000000000
[   40.239101] bf40: 0000aaaabeb9bf10 0000ffffad3030a8 0000000000000001
0000000000000000
[   40.239462] bf60: 0000000000000000 0000aaaaeb6e0040 0000aaaabeb8a008
0000fffff7ce8d30
[   40.239802] bf80: 0000001b00000004 0000aaaabeb8a000 0000fffff7ce8fa8
0000000000000000
[   40.240134] bfa0: 0000aaaabeb9b000 0000fffff7ce8ac0 0000aaaabeb8741c
0000fffff7ce8aa0
[   40.240468] bfc0: 0000ffffad3030c4 0000000000000000 fffffffffee1dead
000000000000008e
[   40.240809] bfe0: 0000000000000000 0000000000000000 0000000000000000
0000000000000000
[   40.241194] [<ffff0000080837b0>] el0_svc_naked+0x24/0x28
[   40.241930] Kernel Offset: disabled
[   40.242197] CPU features: 0x002004
[   40.242450] Memory Limit: none
[   40.243063] ---[ end Kernel panic - not syncing: Attempted to kill
init! exitcode=0x00000000
[   40.243063]
qemu-system-aarch64: terminating on signal 2