I'm not sure if this is a bug that needs to be reported and I don't know what issues it may be causing, if any.

 

----< CUT >---- 
Sep 16 08:55:56 loki kernel: [35972.411737] ieee80211 phy2: brcmf_fweh_event_worker: event handler failed (72)
Sep 16 08:55:56 loki kernel: [35972.465736] ieee80211 phy2: brcmf_fweh_call_event_handler: no interface object
Sep 16 08:55:56 loki kernel: [35972.465781] ieee80211 phy2: brcmf_fweh_event_worker: event handler failed (72)
Sep 16 08:55:56 loki kernel: [35972.471791] ieee80211 phy2: brcmf_fweh_call_event_handler: no interface object
Sep 16 08:55:56 loki kernel: [35972.471838] ieee80211 phy2: brcmf_fweh_event_worker: event handler failed (72)
Sep 16 09:00:54 loki kernel: [36270.546084] ieee80211 phy2: brcmf_fweh_call_event_handler: no interface object
Sep 16 09:00:54 loki kernel: [36270.546174] ieee80211 phy2: brcmf_fweh_event_worker: event handler failed (72)
Sep 16 09:00:54 loki kernel: [36270.673121] ieee80211 phy2: brcmf_fweh_call_event_handler: no interface object
Sep 16 09:00:54 loki kernel: [36270.673211] ieee80211 phy2: brcmf_fweh_event_worker: event handler failed (72)
Sep 16 09:03:24 loki kernel: [36420.901890] sun7i-dwmac 1c50000.ethernet eth0: Link is Down
Sep 16 09:03:25 loki kernel: [36421.344529] device wlan0 entered promiscuous mode
Sep 16 09:03:26 loki kernel: [36422.743514] PM: suspend entry (s2idle)
Sep 16 09:03:26 loki kernel: [36422.858919] Filesystems sync: 0.115 seconds
Sep 16 15:54:45 loki kernel: [36422.893328] Freezing user space processes ... (elapsed 0.007 seconds) done.
Sep 16 15:54:45 loki kernel: [36422.901044] OOM killer disabled.
Sep 16 15:54:45 loki kernel: [36422.901053] Freezing remaining freezable tasks ... (elapsed 0.002 seconds) done.
Sep 16 15:54:45 loki kernel: [36422.903250] printk: Suspending console(s) (use no_console_suspend to debug)
Sep 16 15:54:45 loki kernel: [61102.651236] usb usb1: root hub lost power or was reset
Sep 16 15:54:45 loki kernel: [61102.651348] usb usb2: root hub lost power or was reset
Sep 16 15:54:45 loki kernel: [61102.823144] usb usb3: root hub lost power or was reset
Sep 16 15:54:45 loki kernel: [61102.887103] usb usb4: root hub lost power or was reset
Sep 16 15:54:45 loki kernel: [61102.928819] mmc1: queuing unknown CIS tuple 0x80 (2 bytes)
Sep 16 15:54:45 loki kernel: [61102.930362] mmc1: queuing unknown CIS tuple 0x80 (3 bytes)
Sep 16 15:54:45 loki kernel: [61102.931907] mmc1: queuing unknown CIS tuple 0x80 (3 bytes)
Sep 16 15:54:45 loki kernel: [61102.934666] mmc1: queuing unknown CIS tuple 0x80 (7 bytes)
Sep 16 15:54:45 loki kernel: [61102.953149] brcmfmac: brcmf_fw_alloc_request: using brcm/brcmfmac43362-sdio for chip BCM43362/1
Sep 16 15:54:45 loki kernel: [61102.953422] brcmfmac mmc1:0001:1: Direct firmware load for brcm/brcmfmac43362-sdio.lemaker,bananapro.txt failed with error -2
Sep 16 15:54:45 loki kernel: [61102.953436] brcmfmac mmc1:0001:1: Falling back to sysfs fallback for: brcm/brcmfmac43362-sdio.lemaker,bananapro.txt
Sep 16 15:54:45 loki kernel: [61102.953448] ------------[ cut here ]------------
Sep 16 15:54:45 loki kernel: [61102.953480] WARNING: CPU: 1 PID: 11708 at drivers/base/firmware_loader/fallback.c:569 firmware_fallback_sysfs+0x201/0x348
Sep 16 15:54:45 loki kernel: [61102.953486] Modules linked in: l2tp_ppp l2tp_netlink l2tp_core ip6_udp_tunnel udp_tunnel pppox ppp_gene
ric slhc nls_utf8 cifs libarc4 fscache evdev lima axp20x_adc gpu_sched sun4i_gpadc_iio industrialio sunxi_cir sun4i_ts brcmfmac brcmutil cfg80211 rfkill sunxi_cedrus(C) v4l2_mem2mem videobuf2_dma_contig videobuf2_memops videobuf2_v4l2 videobuf2_common nf_log_ipv6 uio_pdrv_genirq uio display_connector ip6t_REJECT nf_reject_ipv6 cpufreq_dt zram xt_hl ip6t_rt nf_log_ipv4 nf_log_common ipt_REJECT nf_reject_ipv4 xt_LOG xt_recent xt_limit xt_addrtype xt_tcpudp xt_conntrack nf_conntrack nf_defrag_ipv6 sch_fq_codel nf_defrag_ipv4 ip6table_filter ip6_tables iptable_filter ip_tables x_tables autofs4 pwrseq_simple sun4i_gpadc realtek
Sep 16 15:54:45 loki kernel: [61102.953851] CPU: 1 PID: 11708 Comm: kworker/1:0 Tainted: G        WC        5.10.60-sunxi#21.08.2
Sep 16 15:54:45 loki kernel: [61102.953858] Hardware name: Allwinner sun7i (A20) Family
Sep 16 15:54:45 loki kernel: [61102.953878] Workqueue: events request_firmware_work_func
Sep 16 15:54:45 loki kernel: [61102.953922] [<c010ca1d>] (unwind_backtrace) from [<c010952d>] (show_stack+0x11/0x14)
Sep 16 15:54:45 loki kernel: [61102.953949] [<c010952d>] (show_stack) from [<c0978293>] (dump_stack+0x77/0x84)
Sep 16 15:54:45 loki kernel: [61102.953976] [<c0978293>] (dump_stack) from [<c011ae71>] (__warn+0xad/0xc0)
Sep 16 15:54:45 loki kernel: [61102.953999] [<c011ae71>] (__warn) from [<c09721a3>] (warn_slowpath_fmt+0x43/0x7c)
Sep 16 15:54:45 loki kernel: [61102.954021] [<c09721a3>] (warn_slowpath_fmt) from [<c0667dcd (firmware_fallback_sysfs+0x201/0x348)
Sep 16 15:54:45 loki kernel: [61102.954043] [<c0667dcd>] (firmware_fallback_sysfs) from [<c06671e1>] (_request_firmware+0x3a5/0x570)
Sep 16 15:54:45 loki kernel: [61102.954061] [<c06671e1>] (_request_firmware) from [<c06673d9>] (request_firmware+0x2d/0x3c)
Sep 16 15:54:45 loki kernel: [61102.954208] [<c06673d9>] (request_firmware) from [<bf9a7957>] (brcmf_fw_request_firmware+0xaf/0xe4 [brcmfmac])
Sep 16 15:54:45 loki kernel: [61102.954388] [<bf9a7957>] (brcmf_fw_request_firmware [brcmfmac]) from [<bf9a8063>] (brcmf_fw_request_done+0x23/0xa0 [brcmfmac])
Sep 16 15:54:45 loki kernel: [61102.954486] [<bf9a8063>] (brcmf_fw_request_done [brcmfmac]) from [<c066766b>] (request_firmware_work_func+0x37/0x60)
Sep 16 15:54:45 loki kernel: [61102.954512] [<c066766b>] (request_firmware_work_func) from [<c012f701>] (process_one_work+0x179/0x3e0)
Sep 16 15:54:45 loki kernel: [61102.954537] [<c012f701>] (process_one_work) from [<c012fa6b>] (worker_thread+0x103/0x408)
Sep 16 15:54:45 loki kernel: [61102.954561] [<c012fa6b>] (worker_thread) from [<c01345bd>] (kthread+0x109/0x10c)
Sep 16 15:54:45 loki kernel: [61102.954583] [<c01345bd>] (kthread) from [<c0100159>] (ret_from_fork+0x11/0x38)
Sep 16 15:54:45 loki kernel: [61102.954592] Exception stack(0xde4f5fb0 to 0xde4f5ff8)
Sep 16 15:54:45 loki kernel: [61102.954606] 5fa0:                                     00000000 00000000 00000000 00000000
Sep 16 15:54:45 loki kernel: [61102.954622] 5fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000
Sep 16 15:54:45 loki kernel: [61102.954636] 5fe0: 00000000 00000000 00000000 00000000 00000013 00000000
Sep 16 15:54:45 loki kernel: [61102.954648] ---[ end trace 0e7e15c499c4d644 ]---
----< CUT >---- 

 

Might be related. Always happens on poweroff.

reboot: Power down
[  351.051654] ------------[ cut here ]------------
[  351.056307] WARNING: CPU: 0 PID: 1 at drivers/i2c/i2c-core.h:41 i2c_transfer+0x93/0xbc
[  351.064226] No atomic I2C transfer handler for 'i2c-1'
[  351.069364] Modules linked in: overlay l2tp_ppp l2tp_netlink l2tp_core ip6_udp_tunnel udp_tunnel pppox ppp_generic slhc nls_utf8 cifs libarc4 fscache evdev axp20x_adc lima sun4i_gpadc_iio gpu_sched industrialio sun4i_ts sunxi_cir brcmfmac brcmutil cfg80211 rfkill sunxi_cedrus(C) v4l2_mem2mem videobuf2_dma_contig videobuf2_memops videobuf2_v4l2 videobuf2_common display_connector uio_pdrv_genirq uio cpufreq_dt nf_log_ipv6 ip6t_REJECT nf_reject_ipv6 zram xt_hl ip6t_rt nf_log_ipv4 nf_log_common ipt_REJECT nf_reject_ipv4 xt_LOG xt_recent xt_limit xt_addrtype xt_tcpudp xt_conntrack nf_conntrack nf_defrag_ipv6 nf_defrag_ipv4 sch_fq_codel ip6table_filter ip6_tables iptable_filter ip_tables x_tables autofs4 pwrseq_simple sun4i_gpadc realtek
[  351.134401] CPU: 0 PID: 1 Comm: systemd-shutdow Tainted: G        WC        5.10.60-sunxi #21.08.2
[  351.143363] Hardware name: Allwinner sun7i (A20) Family
[  351.148615] [<c010ca1d>] (unwind_backtrace) from [<c010952d>] (show_stack+0x11/0x14)
[  351.156374] [<c010952d>] (show_stack) from [<c0978293>] (dump_stack+0x77/0x84)
[  351.163611] [<c0978293>] (dump_stack) from [<c011ae71>] (__warn+0xad/0xc0)
[  351.170496] [<c011ae71>] (__warn) from [<c09721bf>] (warn_slowpath_fmt+0x5f/0x7c)
[  351.177989] [<c09721bf>] (warn_slowpath_fmt) from [<c07616a7>] (i2c_transfer+0x93/0xbc)
[  351.186005] [<c07616a7>] (i2c_transfer) from [<c076170b>] (i2c_transfer_buffer_flags+0x3b/0x50)
[  351.194713] [<c076170b>] (i2c_transfer_buffer_flags) from [<c066e8ef>] (regmap_i2c_write+0x13/0x24)
[  351.203769] [<c066e8ef>] (regmap_i2c_write) from [<c066b257>] (_regmap_raw_write_impl+0x4af/0x580)
[  351.212736] [<c066b257>] (_regmap_raw_write_impl) from [<c066b369>] (_regmap_bus_raw_write+0x41/0x5c)
[  351.221963] [<c066b369>] (_regmap_bus_raw_write) from [<c066bb31>] (regmap_write+0x29/0x3c)
[  351.230325] [<c066bb31>] (regmap_write) from [<c0674f63>] (axp20x_power_off+0x23/0x30)
[  351.238254] [<c0674f63>] (axp20x_power_off) from [<c0136a39>] (__do_sys_reboot+0xf5/0x168)
[  351.246528] [<c0136a39>] (__do_sys_reboot) from [<c0100061>] (ret_fast_syscall+0x1/0x62)
[  351.254620] Exception stack(0xc1529fa8 to 0xc1529ff0)
[  351.259677] 9fa0:                   4321fedc bebe1aa8 fee1dead 28121969 4321fedc 00000000
[  351.267861] 9fc0: 4321fedc bebe1aa8 bebe1aa4 00000058 bebe1aa8 bebe1aa4 fffff000 bebe1aac
[  351.276042] 9fe0: 00000058 bebe1a1c b6e9e545 b6e1cbe6
[  351.281096] ---[ end trace bd6c600f4ffe1d83 ]---

 

Edited September 16, 20215 yr by Myron
Additional details added

For anyone visiting this thread, the issue was fixed when I moved to Kernel version 5.15.y.