Raspberry Pi 400 Kernel Panic when Poweroff Issued

mihanson@armbi400:~$ sudo poweroff

Broadcast message from root@armbi400 on pts/0 (Thu 2025-09-04 07:29:16 PDT):

The system will power off now!

mihanson@armbi400:~$ 
[41893.451514] reboot: Power down
[41893.454658] ------------[ cut here ]------------
[41893.459337] Voluntary context switch within RCU read-side critical section!
[41893.459354] WARNING: CPU: 0 PID: 1 at kernel/rcu/tree_plugin.h:331 rcu_note_context_switch+0x4e0/0x530
[41893.475859] Modules linked in: sg rfcomm cmac aes_arm64 algif_hash algif_skcipher af_alg bnep zram zsmalloc binfmt_misc hci_uart btbcm bluetooth ecdh_generic ecc bcm2835_codec(C) bcm2835_v4l2(C) bcm2835_isp(C) bcm2835_mmal_vchiq(C) v4l2_mem2mem vc_sm_cma(C) videobuf2_dma_contig videobuf2_vmalloc videobuf2_memops videobuf2_v4l2 snd_bcm2835(C) videodev snd_pcm videobuf2_common snd_timer mc raspberrypi_hwmon snd raspberrypi_gpiomem i2c_dev drm drm_panel_orientation_quirks backlight fuse bonding ipv6 brcmfmac_wcc brcmfmac cfg80211 rfkill brcmutil uio_pdrv_genirq uio nvmem_rmem
[41893.527454] CPU: 0 UID: 0 PID: 1 Comm: systemd-shutdow Tainted: G         C         6.12.44-current-bcm2711 #1
[41893.537603] Tainted: [C]=CRAP
[41893.540606] Hardware name: Raspberry Pi 400 Rev 1.0 (DT)
[41893.545989] pstate: 600000c5 (nZCv daIF -PAN -UAO -TCO -DIT -SSBS BTYPE=--)
[41893.553048] pc : rcu_note_context_switch+0x4e0/0x530
[41893.558080] lr : rcu_note_context_switch+0x4e0/0x530
[41893.563112] sp : ffff80008002b770
[41893.566466] x29: ffff80008002b770 x28: ffff2262c6ffb3c0 x27: ffff2262c0c5f8c0
[41893.573707] x26: ffff2262c0260000 x25: ffffcc22d85831f4 x24: 0000000000000000
[41893.580947] x23: 0000000000000000 x22: ffff2262c0260000 x21: ffffcc22d98b3070
[41893.588187] x20: 0000000000000000 x19: ffff22637b779fc0 x18: 0000000000000006
[41893.595426] x17: ffffcc22d97fb000 x16: 00000000a53a0512 x15: ffff80008002b0d0
[41893.602666] x14: 0000000000000000 x13: 216e6f6974636573 x12: 206c616369746972
[41893.609905] x11: 6320656469732d64 x10: ffffcc22d96d7a28 x9 : ffffcc22d7724ed8
[41893.617145] x8 : 00000000ffffefff x7 : ffffcc22d96d3960 x6 : 00000000000002b3
[41893.624384] x5 : 00000000000002b4 x4 : 40000000fffff2b3 x3 : 0000000000000000
[41893.631623] x2 : 0000000000000000 x1 : 0000000000000000 x0 : ffff2262c0260000
[41893.638863] Call trace:
[41893.641336]  rcu_note_context_switch+0x4e0/0x530
[41893.646016]  __schedule+0xb4/0xe70
[41893.649463]  schedule+0x3c/0x148
[41893.652733]  schedule_timeout+0x98/0x1a0
[41893.656709]  wait_for_completion_timeout+0x80/0x160
[41893.661653]  mbox_send_message+0xf8/0x140
[41893.665716]  rpi_firmware_property_list+0x104/0x298
[41893.670662]  rpi_firmware_property+0x78/0xc8
[41893.674988]  rpi_exp_gpio_get_polarity+0x68/0x100
[41893.679760]  rpi_exp_gpio_dir_out+0x6c/0x120
[41893.684089]  gpiod_direction_output_raw_commit+0x6c/0x348
[41893.689562]  gpiod_direction_output+0xa8/0x1b8
[41893.694065]  gpio_poweroff_do_poweroff+0x2c/0xd0
[41893.698747]  sys_off_notify+0x48/0x80
[41893.702458]  notifier_call_chain+0x80/0x140
[41893.706699]  atomic_notifier_call_chain+0x44/0x70
[41893.711468]  do_kernel_power_off+0x5c/0x80
[41893.715618]  machine_power_off+0x40/0x58
[41893.719594]  kernel_power_off+0x88/0x98
[41893.723479]  __do_sys_reboot+0x1e0/0x240
[41893.727452]  __arm64_sys_reboot+0x2c/0x40
[41893.731514]  invoke_syscall+0x50/0x120
[41893.735314]  el0_svc_common.constprop.0+0x48/0xf0
[41893.740083]  do_el0_svc+0x24/0x38
[41893.743441]  el0_svc+0x38/0x120
[41893.746622]  el0t_64_sync_handler+0x120/0x130
[41893.751037]  el0t_64_sync+0x190/0x198
[41893.754745] ---[ end trace 0000000000000000 ]---

25.8.1 Trixie Armbian image and EXT4 FS. Does not happen on reboot, just poweroff.

The below also produce the same result.

$ sudo shutdown -H now

$ sudo systemctl poweroff

mihanson@armbi400:~$ armbianmonitor -u
Collecting info and sending to paste.armbian.com, wait...
Failed grabbing info (pipe 3 result 22) and sending to server paste.armbian.com.
Collecting info and sending to paste.next.armbian.com, wait...

https://paste.next.armbian.com/oxawoposil

Please post the URL in the forum where you've been asked for.

Edited September 4, 20251 yr by mihanson