Dec 12 10:50:19 (none) user.err kernel: [ 245.391331] INFO: task kworker/3:1:37 blocked for more than 120 seconds.
Dec 12 10:50:19 (none) user.err kernel: [ 245.392396] Not tainted 4.19.8 #1
Dec 12 10:50:19 (none) user.err kernel: [ 245.396221] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
Dec 12 10:50:19 (none) user.info kernel: [ 245.404069] kworker/3:1 D 0 37 2 0x00000028
Dec 12 10:50:19 (none) user.info kernel: [ 245.409436] Workqueue: events_freezable mmc_rescan
Dec 12 10:50:19 (none) user.warn kernel: [ 245.414138] Call trace:
Dec 12 10:50:19 (none) user.warn kernel: [ 245.416564] __switch_to+0x94/0xd8
Dec 12 10:50:19 (none) user.warn kernel: [ 245.419930] __schedule+0x1e4/0x620
Dec 12 10:50:19 (none) user.warn kernel: [ 245.423375] schedule+0x38/0xa0
Dec 12 10:50:19 (none) user.warn kernel: [ 245.426475] schedule_timeout+0x1f4/0x378
Dec 12 10:50:19 (none) user.warn kernel: [ 245.430459] wait_for_common+0xb8/0x170
Dec 12 10:50:19 (none) user.warn kernel: [ 245.434258] wait_for_completion+0x14/0x20
Dec 12 10:50:19 (none) user.warn kernel: [ 245.438306] mmc_wait_for_req_done+0x28/0x170
Dec 12 10:50:19 (none) user.warn kernel: [ 245.442601] mmc_wait_for_req+0x80/0xf0
Dec 12 10:50:19 (none) user.warn kernel: [ 245.446406] mmc_send_tuning+0x120/0x1d8
Dec 12 10:50:19 (none) user.warn kernel: [ 245.450295] meson_mmc_execute_tuning+0x68/0x228
Dec 12 10:50:19 (none) user.warn kernel: [ 245.454860] mmc_execute_tuning+0x60/0xa0
Dec 12 10:50:20 (none) user.warn kernel: [ 245.458815] mmc_init_card+0x8c4/0x19d0
Dec 12 10:50:20 (none) user.warn kernel: [ 245.462629] mmc_attach_mmc+0xc0/0x180
Dec 12 10:50:20 (none) user.warn kernel: [ 245.466323] mmc_rescan+0x300/0x3d8
Dec 12 10:50:20 (none) user.warn kernel: [ 245.469778] process_one_work+0x1e8/0x340
Dec 12 10:50:20 (none) user.warn kernel: [ 245.473740] worker_thread+0x40/0x460
Dec 12 10:50:20 (none) user.warn kernel: [ 245.477378] kthread+0x128/0x130
Dec 12 10:50:20 (none) user.warn kernel: [ 245.480564] ret_from_fork+0x10/0x1c