Workqueue: events_freezable mmc_rescan

[risto3]

Since upgrading this weekend to
Linux odroid-001e06336dd6 4.18.11-1-ARCH #1 SMP Sat Sep 29 11:08:58 MDT 2018 aarch64 GNU/Linux
I'm noticing
$this->bbcode_second_pass_quote('', '
')[ 6633.318822] INFO: task kworker/1:0:3280 blocked for more than 120 seconds.
[ 6633.320068] Not tainted 4.18.11-1-ARCH #1
[ 6633.324644] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
[ 6633.332379] kworker/1:0 D 0 3280 2 0x00000228
[ 6633.337761] Workqueue: events_freezable mmc_rescan
[ 6633.342521] Call trace:
[ 6633.344925] __switch_to+0x74/0x98
[ 6633.348271] __schedule+0x234/0x838
[ 6633.351734] schedule+0x30/0x88
[ 6633.354834] __mmc_claim_host+0xbc/0x200
[ 6633.358722] mmc_get_card+0x38/0x48
[ 6633.362175] mmc_sd_detect+0x24/0x90
[ 6633.365693] mmc_rescan+0xc8/0x3c0
[ 6633.369115] process_one_work+0x1b0/0x3d0
[ 6633.373018] worker_thread+0x48/0x418
[ 6633.376661] kthread+0x130/0x138
[ 6633.379862] ret_from_fork+0x10/0x1c