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Groups > linux.debian.bugs.dist > #1120155

Bug#1021391: Kernel Exception at BananaPi M2 Ultra

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Package: src:linux
Severity: normal
Version: 5.19.11-1

Hello,

I installed with the daily images "testing, bookworm" to Banana Pi M2 Ultra.
After poweroff, there is a kernel exception regarding i2c:

> Last login: Fri Oct  7 13:02:50 CEST 2022 on ttyS0
> [?2004hroot@Banana-Test:~# poweroff
> [?2004l
> Failed to connect to bus: No such file or directory
> [   92.114464] reboot: Power down
> [   94.163385] i2c i2c-0: mv64xxx: I2C bus locked, block: 1, time_left: 0
> [  102.615362] ------------[ cut here ]------------
> [  102.619982] WARNING: CPU: 0 PID: 13 at kernel/irq_work.c:134 irq_work_queue_on+0x104/0x108
> [  102.628259] Modules linked in: hci_uart btqca btrtl btbcm btintel bluetooth jitterentropy_rng sha512_generic sha512_arm snd_soc_hdmi_codec dw_hdmi_cec dw_hdmi_i2s_audio evdev sun8i_drm_hdmi
> aes_arm_bs crypto_simd dw_hdmi cryptd drbg axp20x_adc drm_display_helper industrialio cec ansi_cprng brcmfmac brcmutil axp20x_pek sun4i_i2s lima ecdh_generic gpu_sched ecc drm_shmem_helper sunxi_cir
> snd_soc_core snd_pcm_dmaengine sunxi_cedrus(C) snd_pcm rc_core v4l2_mem2mem snd_timer sun8i_thermal sunxi_wdt cfg80211 snd videobuf2_dma_contig soundcore videobuf2_memops videobuf2_v4l2
> videobuf2_common rfkill videodev mc leds_gpio sun6i_dma display_connector fuse configfs ip_tables x_tables autofs4 ext4 crc16 mbcache jbd2 crc32c_generic realtek ahci_sunxi libahci_platform
> dwmac_sun8i libahci stmmac_platform axp20x_regulator stmmac pcs_xpcs phylink mdio_mux of_mdio fixed_phy fwnode_mdio libphy ptp libata pps_core i2c_mv64xxx ehci_platform ohci_platform ohci_hcd
> phy_sun4i_usb ehci_hcd sun4i_drm scsi_mod
> [  102.628661]  sun4i_frontend usbcore sunxi_mmc sun8i_mixer scsi_common sun4i_tcon sun8i_tcon_top drm_cma_helper drm_kms_helper drm
> [  102.727286] CPU: 0 PID: 13 Comm: rcu_sched Tainted: G         C        5.19.0-2-armmp-lpae #1  Debian 5.19.11-1
> [  102.737367] Hardware name: Allwinner sun8i Family
> [  102.742078]  unwind_backtrace from show_stack+0x18/0x1c
> [  102.747314]  show_stack from dump_stack_lvl+0x40/0x4c
> [  102.752374]  dump_stack_lvl from __warn+0xd0/0x134
> [  102.757176]  __warn from warn_slowpath_fmt+0x80/0xbc
> [  102.762145]  warn_slowpath_fmt from irq_work_queue_on+0x104/0x108
> [  102.768242]  irq_work_queue_on from rcu_implicit_dynticks_qs+0x200/0x330
> [  102.774951]  rcu_implicit_dynticks_qs from force_qs_rnp+0x154/0x250
> [  102.781223]  force_qs_rnp from rcu_gp_fqs_loop+0x224/0x320
> [  102.786714]  rcu_gp_fqs_loop from rcu_gp_kthread+0x110/0x174
> [  102.792377]  rcu_gp_kthread from kthread+0xd8/0xf4
> [  102.797174]  kthread from ret_from_fork+0x14/0x34
> [  102.801881] Exception stack(0xf0851fb0 to 0xf0851ff8)
> [  102.806932] 1fa0:                                     00000000 00000000 00000000 00000000
> [  102.815102] 1fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000
> [  102.823272] 1fe0: 00000000 00000000 00000000 00000000 00000013 0000000
0
> [  102.829880] ---[ end trace 0000000000000000 ]---
> [  113.127339] rcu: INFO: rcu_sched detected stalls on CPUs/tasks:
> [  113.133263] rcu: 	3-O..0: (1 GPs behind) idle=7ad/0/0x1 softirq=4245/4248 fqs=1219 
> [  113.140921] 	(detected by 0, t=5255 jiffies, g=2641, q=52 ncpus=4)
> [  113.147098] rcu: Offline CPU 3 blocking current GP.
> 

The complete log from RS232 is attached.
Hopefully it helps.

If i can do some other tests, please let me know.

Best regards and thank you for your support.
Bernhard

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Bug#1021391: Kernel Exception at BananaPi M2 Ultra Bernhard <bernhard.woerner@posteo.de> - 2022-10-07 14:00 +0200
  Bug#1021391: Kernel Exception at BananaPi M2 Ultra Diederik de Haas <didi.debian@cknow.org> - 2022-10-07 15:40 +0200
  Bug#1021391: Possible solution with kernel 6.0.11 Bernhard <bernhard.woerner@posteo.de> - 2022-12-05 13:30 +0100
    Bug#1021391: Possible solution with kernel 6.0.11 Salvatore Bonaccorso <carnil@debian.org> - 2022-12-05 22:10 +0100

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