[   25.512553] r8152 2-2.4:1.0 enp1s0u2u4: carrier on
[   27.498872] uart-pl011 fe201000.serial: no DMA platform data
[   33.760478] cam-dummy-reg: disabling


# about to start rasp sources emerge
# past posting of "Copying sources ..."
# past "Final size" posting
[ 1105.557111] INFO: task kworker/1:3:833 blocked for more than 122 seconds.
[ 1105.557133]       Tainted: G         C        5.15.61-v8-p4 #1
[ 1105.557139] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
[ 1105.557144] task:kworker/1:3     state:D stack:    0 pid:  833 ppid:     2 flags:0x00000008
[ 1105.557160] Workqueue: events_freezable mmc_rescan
[ 1105.557180] Call trace:
[ 1105.557184]  __switch_to+0x110/0x164
[ 1105.557195]  __schedule+0x370/0x89c
[ 1105.557204]  schedule+0x70/0x130
[ 1105.557210]  __mmc_claim_host+0xe4/0x210
[ 1105.557219]  mmc_get_card+0x40/0x50
[ 1105.557227]  mmc_sd_detect+0x2c/0xa0
[ 1105.557235]  mmc_rescan+0x98/0x2f0
[ 1105.557242]  process_one_work+0x200/0x49c
[ 1105.557250]  worker_thread+0x7c/0x460
[ 1105.557257]  kthread+0x144/0x160
[ 1105.557265]  ret_from_fork+0x10/0x20
[ 1144.223599] BTRFS warning (device mmcblk0p2): csum failed root 5 ino 731133 off 1925459968 csum 0xed4e9903 expected csum 0x31dbdf09 mirror 1
[ 1144.223630] BTRFS error (device mmcblk0p2): bdev /dev/mmcblk0p2 errs: wr 0, rd 0, flush 0, corrupt 1, gen 0
[ 1144.224266] BTRFS warning (device mmcblk0p2): csum failed root 5 ino 731133 off 1925459968 csum 0xed4e9903 expected csum 0x31dbdf09 mirror 1
[ 1144.224284] BTRFS error (device mmcblk0p2): bdev /dev/mmcblk0p2 errs: wr 0, rd 0, flush 0, corrupt 2, gen 0
^C
GenPi64 /home/jlpoole # 

=============== above is copy from console of "dmesg -w" -- so we have a plain text version with my hash time points ==================

GenPi64 /home/jlpoole # date; btrfs device stats /dev/mmcblk0p2
Sun Sep 17 05:40:18 PM PDT 2023
[/dev/mmcblk0p2].write_io_errs    0
[/dev/mmcblk0p2].read_io_errs     0
[/dev/mmcblk0p2].flush_io_errs    0
[/dev/mmcblk0p2].corruption_errs  2
[/dev/mmcblk0p2].generation_errs  0
GenPi64 /home/jlpoole #