Hello,
I would like to comment that the same behaviour is happening to my system.
Root filesystem is ext3 on /dev/bcache0, which works with /dev/sda3 as the
backing partition and /dev/sdb as the cache disk (it is an msata version).
(System was on LVM before, but changed it to ext3 to keep it easier for the
bcache).
bcache is not shutting down well, and the system cannot shutdown,reboot,
suspend, hibernate.
When shutting down, messages are like:
...
mei_me 000:00:16:0:stop
exception Emask 0x0 SACT 0x3 SErr 0x0 action 0x6 frozen
failed command: WRITE FPDMA QUEUED
ata3.00: cmd 61/08:00:60:6d:0e/00:00:00:00:00/40 tag 0 ncq 4096 out
res 40:00:f4:00:00:00/00:00:00:00:00/40 Emask 0x4 (timeout)
ata 3.00: status: {DRDY}
ata3: COMRESET failed (errno=-16)
end_request: I/O error, dev sdb, sector xxxxxx
bcache: bch_count_io_error() sdb:
IO error on writing btree, recovering
I/O error, dev sdb, sector xxxxxx
...
And keeps pausing and showing messages...
I wish that this info helps to find a solution...
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Salutacions...Josep
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