meta-data=/dev/sdb               isize=512    agcount=4, agsize=1966080 blks
         =                       sectsz=512   attr=2, projid32bit=1
         =                       crc=1        finobt=1, sparse=1, rmapbt=1
         =                       reflink=1    bigtime=1 inobtcount=1 nrext64=1
         =                       exchange=0  
data     =                       bsize=4096   blocks=7864320, imaxpct=25
         =                       sunit=0      swidth=0 blks
naming   =version 2              bsize=4096   ascii-ci=0, ftype=1, parent=0
log      =internal log           bsize=4096   blocks=16384, version=2
         =                       sectsz=512   sunit=0 blks, lazy-count=1
realtime =none                   extsz=4096   blocks=0, rtextents=0
device-mapper: remove ioctl on error-test.753  failed: No such device or address
Command failed.
-z -s 0 -m 31 -n 1 -p 1 \

seed = 1790310013
echo '1' 2>&1 > /sys/fs/xfs/dm-0/error/fail_at_unmount
echo '0' 2>&1 > /sys/fs/xfs/dm-0/error/metadata/EIO/max_retries
echo '0' 2>&1 > /sys/fs/xfs/dm-0/error/metadata/EIO/retry_timeout_seconds
fsstress: check_cwd stat64() returned -1 with errno: 5 (Input/output error)
fsstress: check_cwd stat64() returned -1 with errno: 5 (Input/output error)
fsstress: check_cwd stat64() returned -1 with errno: 5 (Input/output error)
fsstress: check_cwd stat64() returned -1 with errno: 5 (Input/output error)
-z -s 0 -m 31 -n 1 -p 1 \

seed = 1790178519
echo '1' 2>&1 > /sys/fs/xfs/dm-0/error/fail_at_unmount
echo '0' 2>&1 > /sys/fs/xfs/dm-0/error/metadata/EIO/max_retries
echo '0' 2>&1 > /sys/fs/xfs/dm-0/error/metadata/EIO/retry_timeout_seconds
fsstress: check_cwd stat64() returned -1 with errno: 5 (Input/output error)
fsstress: check_cwd stat64() returned -1 with errno: 5 (Input/output error)
fsstress: check_cwd stat64() returned -1 with errno: 5 (Input/output error)
fsstress: check_cwd stat64() returned -1 with errno: 5 (Input/output error)
fsstress killed (pid 2335131)
fsstress killed (pid 2335133)
fsstress killed (pid 2335135)
fsstress killed (pid 2335136)
-z -s 0 -m 31 -n 1 -p 1 \

seed = 1790583516
echo '1' 2>&1 > /sys/fs/xfs/dm-0/error/fail_at_unmount
echo '0' 2>&1 > /sys/fs/xfs/dm-0/error/metadata/EIO/max_retries
echo '0' 2>&1 > /sys/fs/xfs/dm-0/error/metadata/EIO/retry_timeout_seconds
fsstress: check_cwd stat64() returned -1 with errno: 5 (Input/output error)
fsstress: check_cwd stat64() returned -1 with errno: 5 (Input/output error)
fsstress: check_cwd stat64() returned -1 with errno: 5 (Input/output error)
fsstress: check_cwd stat64() returned -1 with errno: 5 (Input/output error)
-z -s 0 -m 31 -n 1 -p 1 \

seed = 1790461841
echo '1' 2>&1 > /sys/fs/xfs/dm-0/error/fail_at_unmount
echo '0' 2>&1 > /sys/fs/xfs/dm-0/error/metadata/EIO/max_retries
echo '0' 2>&1 > /sys/fs/xfs/dm-0/error/metadata/EIO/retry_timeout_seconds
fsstress killed (pid 2335288)
fsstress killed (pid 2335290)
fsstress killed (pid 2335291)
fsstress killed (pid 2335292)
fsstress killed (pid 2335293)
fsstress: check_cwd stat64() returned -1 with errno: 5 (Input/output error)
fsstress: check_cwd stat64() returned -1 with errno: 5 (Input/output error)
fsstress: check_cwd stat64() returned -1 with errno: 5 (Input/output error)
fsstress: check_cwd stat64() returned -1 with errno: 5 (Input/output error)
-z -s 0 -m 31 -n 1 -p 1 \

seed = 1790039077
echo '1' 2>&1 > /sys/fs/xfs/dm-0/error/fail_at_unmount
echo '0' 2>&1 > /sys/fs/xfs/dm-0/error/metadata/EIO/max_retries
echo '0' 2>&1 > /sys/fs/xfs/dm-0/error/metadata/EIO/retry_timeout_seconds
fsstress killed (pid 2335483)
fsstress killed (pid 2335485)
fsstress killed (pid 2335487)
fsstress killed (pid 2335488)
fsstress killed (pid 2335489)
fsstress: check_cwd stat64() returned -1 with errno: 5 (Input/output error)
fsstress: check_cwd stat64() returned -1 with errno: 5 (Input/output error)
fsstress: check_cwd stat64() returned -1 with errno: 5 (Input/output error)
fsstress: check_cwd stat64() returned -1 with errno: 5 (Input/output error)
-z -s 0 -m 31 -n 1 -p 1 \

seed = 1790381510
echo '1' 2>&1 > /sys/fs/xfs/dm-0/error/fail_at_unmount
echo '0' 2>&1 > /sys/fs/xfs/dm-0/error/metadata/EIO/max_retries
echo '0' 2>&1 > /sys/fs/xfs/dm-0/error/metadata/EIO/retry_timeout_seconds
fsstress: check_cwd stat64() returned -1 with errno: 5 (Input/output error)
fsstress: check_cwd stat64() returned -1 with errno: 5 (Input/output error)
fsstress: check_cwd stat64() returned -1 with errno: 5 (Input/output error)
fsstress: check_cwd stat64() returned -1 with errno: 5 (Input/output error)
-z -s 0 -m 31 -n 1 -p 1 \

seed = 1790759294
echo '1' 2>&1 > /sys/fs/xfs/dm-0/error/fail_at_unmount
echo '0' 2>&1 > /sys/fs/xfs/dm-0/error/metadata/EIO/max_retries
echo '0' 2>&1 > /sys/fs/xfs/dm-0/error/metadata/EIO/retry_timeout_seconds
fsstress: check_cwd stat64() returned -1 with errno: 5 (Input/output error)
fsstress: check_cwd stat64() returned -1 with errno: 5 (Input/output error)
fsstress: check_cwd stat64() returned -1 with errno: 5 (Input/output error)
fsstress: check_cwd stat64() returned -1 with errno: 5 (Input/output error)
fsstress killed (pid 2335984)
fsstress killed (pid 2335986)
fsstress killed (pid 2335987)
fsstress killed (pid 2335988)
fsstress killed (pid 2335989)
-z -s 0 -m 31 -n 1 -p 1 \

seed = 1790509273
echo '1' 2>&1 > /sys/fs/xfs/dm-0/error/fail_at_unmount
echo '0' 2>&1 > /sys/fs/xfs/dm-0/error/metadata/EIO/max_retries
echo '0' 2>&1 > /sys/fs/xfs/dm-0/error/metadata/EIO/retry_timeout_seconds
fsstress killed (pid 2336082)
fsstress killed (pid 2336084)
fsstress killed (pid 2336085)
fsstress killed (pid 2336086)
fsstress killed (pid 2336087)
fsstress: check_cwd stat64() returned -1 with errno: 5 (Input/output error)
fsstress: check_cwd stat64() returned -1 with errno: 5 (Input/output error)
fsstress: check_cwd stat64() returned -1 with errno: 5 (Input/output error)
fsstress: check_cwd stat64() returned -1 with errno: 5 (Input/output error)
-z -s 0 -m 31 -n 1 -p 1 \

seed = 1790944872
echo '1' 2>&1 > /sys/fs/xfs/dm-0/error/fail_at_unmount
echo '0' 2>&1 > /sys/fs/xfs/dm-0/error/metadata/EIO/max_retries
echo '0' 2>&1 > /sys/fs/xfs/dm-0/error/metadata/EIO/retry_timeout_seconds
fsstress: check_cwd stat64() returned -1 with errno: 5 (Input/output error)
fsstress: check_cwd stat64() returned -1 with errno: 5 (Input/output error)
fsstress: check_cwd stat64() returned -1 with errno: 5 (Input/output error)
fsstress: check_cwd stat64() returned -1 with errno: 5 (Input/output error)
-z -s 0 -m 31 -n 1 -p 1 \

seed = 1790680788
echo '1' 2>&1 > /sys/fs/xfs/dm-0/error/fail_at_unmount
echo '0' 2>&1 > /sys/fs/xfs/dm-0/error/metadata/EIO/max_retries
echo '0' 2>&1 > /sys/fs/xfs/dm-0/error/metadata/EIO/retry_timeout_seconds
fsstress killed (pid 2336346)
fsstress killed (pid 2336348)
fsstress killed (pid 2336349)
fsstress killed (pid 2336350)
fsstress killed (pid 2336351)
fsstress: check_cwd stat64() returned -1 with errno: 5 (Input/output error)
fsstress: check_cwd stat64() returned -1 with errno: 5 (Input/output error)
fsstress: check_cwd stat64() returned -1 with errno: 5 (Input/output error)
fsstress: check_cwd stat64() returned -1 with errno: 5 (Input/output error)
-z -s 0 -m 31 -n 1 -p 1 \

seed = 1790056386
echo '1' 2>&1 > /sys/fs/xfs/dm-0/error/fail_at_unmount
echo '0' 2>&1 > /sys/fs/xfs/dm-0/error/metadata/EIO/max_retries
echo '0' 2>&1 > /sys/fs/xfs/dm-0/error/metadata/EIO/retry_timeout_seconds
fsstress: check_cwd stat64() returned -1 with errno: 5 (Input/output error)
fsstress: check_cwd stat64() returned -1 with errno: 5 (Input/output error)
fsstress: check_cwd stat64() returned -1 with errno: 5 (Input/output error)
fsstress: check_cwd stat64() returned -1 with errno: 5 (Input/output error)
fsstress killed (pid 2336458)
fsstress killed (pid 2336460)
fsstress killed (pid 2336461)
fsstress killed (pid 2336463)
-z -s 0 -m 31 -n 1 -p 1 \

seed = 1789921703
echo '1' 2>&1 > /sys/fs/xfs/dm-0/error/fail_at_unmount
echo '0' 2>&1 > /sys/fs/xfs/dm-0/error/metadata/EIO/max_retries
echo '0' 2>&1 > /sys/fs/xfs/dm-0/error/metadata/EIO/retry_timeout_seconds
fsstress: check_cwd stat64() returned -1 with errno: 5 (Input/output error)
fsstress killed (pid 2336523)
fsstress killed (pid 2336525)
fsstress killed (pid 2336526)
fsstress killed (pid 2336527)
fsstress killed (pid 2336528)
fsstress: check_cwd stat64() returned -1 with errno: 5 (Input/output error)
fsstress: check_cwd stat64() returned -1 with errno: 5 (Input/output error)
fsstress: check_cwd stat64() returned -1 with errno: 5 (Input/output error)
-z -s 0 -m 31 -n 1 -p 1 \

seed = 1790489579
echo '1' 2>&1 > /sys/fs/xfs/dm-0/error/fail_at_unmount
echo '0' 2>&1 > /sys/fs/xfs/dm-0/error/metadata/EIO/max_retries
echo '0' 2>&1 > /sys/fs/xfs/dm-0/error/metadata/EIO/retry_timeout_seconds
fsstress: check_cwd stat64() returned -1 with errno: 5 (Input/output error)
fsstress: check_cwd stat64() returned -1 with errno: 5 (Input/output error)
fsstress: check_cwd stat64() returned -1 with errno: 5 (Input/output error)
fsstress: check_cwd stat64() returned -1 with errno: 5 (Input/output error)
-z -s 0 -m 31 -n 1 -p 1 \

seed = 1790346655
echo '1' 2>&1 > /sys/fs/xfs/dm-0/error/fail_at_unmount
echo '0' 2>&1 > /sys/fs/xfs/dm-0/error/metadata/EIO/max_retries
echo '0' 2>&1 > /sys/fs/xfs/dm-0/error/metadata/EIO/retry_timeout_seconds
fsstress: check_cwd stat64() returned -1 with errno: 5 (Input/output error)
fsstress: check_cwd stat64() returned -1 with errno: 5 (Input/output error)
fsstress: check_cwd stat64() returned -1 with errno: 5 (Input/output error)
fsstress: check_cwd stat64() returned -1 with errno: 5 (Input/output error)
fsstress killed (pid 2336737)
fsstress killed (pid 2336741)
-z -s 0 -m 31 -n 1 -p 1 \

seed = 1790230668
echo '1' 2>&1 > /sys/fs/xfs/dm-0/error/fail_at_unmount
echo '0' 2>&1 > /sys/fs/xfs/dm-0/error/metadata/EIO/max_retries
echo '0' 2>&1 > /sys/fs/xfs/dm-0/error/metadata/EIO/retry_timeout_seconds
fsstress: check_cwd stat64() returned -1 with errno: 5 (Input/output error)
fsstress: check_cwd stat64() returned -1 with errno: 5 (Input/output error)
fsstress: check_cwd stat64() returned -1 with errno: 5 (Input/output error)
fsstress: check_cwd stat64() returned -1 with errno: 5 (Input/output error)
-z -s 0 -m 31 -n 1 -p 1 \

seed = 1790877501
echo '1' 2>&1 > /sys/fs/xfs/dm-0/error/fail_at_unmount
echo '0' 2>&1 > /sys/fs/xfs/dm-0/error/metadata/EIO/max_retries
echo '0' 2>&1 > /sys/fs/xfs/dm-0/error/metadata/EIO/retry_timeout_seconds
fsstress: check_cwd stat64() returned -1 with errno: 5 (Input/output error)
fsstress: check_cwd stat64() returned -1 with errno: 5 (Input/output error)
fsstress: check_cwd stat64() returned -1 with errno: 5 (Input/output error)
fsstress: check_cwd stat64() returned -1 with errno: 5 (Input/output error)
-z -s 0 -m 31 -n 1 -p 1 \

seed = 1790740125
echo '1' 2>&1 > /sys/fs/xfs/dm-0/error/fail_at_unmount
echo '0' 2>&1 > /sys/fs/xfs/dm-0/error/metadata/EIO/max_retries
echo '0' 2>&1 > /sys/fs/xfs/dm-0/error/metadata/EIO/retry_timeout_seconds
fsstress: check_cwd stat64() returned -1 with errno: 5 (Input/output error)
fsstress: check_cwd stat64() returned -1 with errno: 5 (Input/output error)
fsstress: check_cwd stat64() returned -1 with errno: 5 (Input/output error)
fsstress: check_cwd stat64() returned -1 with errno: 5 (Input/output error)
-z -s 0 -m 31 -n 1 -p 1 \

seed = 1790630567
echo '1' 2>&1 > /sys/fs/xfs/dm-0/error/fail_at_unmount
echo '0' 2>&1 > /sys/fs/xfs/dm-0/error/metadata/EIO/max_retries
echo '0' 2>&1 > /sys/fs/xfs/dm-0/error/metadata/EIO/retry_timeout_seconds
fsstress: check_cwd stat64() returned -1 with errno: 5 (Input/output error)
fsstress: check_cwd stat64() returned -1 with errno: 5 (Input/output error)
fsstress: check_cwd stat64() returned -1 with errno: 5 (Input/output error)
fsstress: check_cwd stat64() returned -1 with errno: 5 (Input/output error)
-z -s 0 -m 31 -n 1 -p 1 \

seed = 1790672022
echo '1' 2>&1 > /sys/fs/xfs/dm-0/error/fail_at_unmount
echo '0' 2>&1 > /sys/fs/xfs/dm-0/error/metadata/EIO/max_retries
echo '0' 2>&1 > /sys/fs/xfs/dm-0/error/metadata/EIO/retry_timeout_seconds
fsstress: check_cwd stat64() returned -1 with errno: 5 (Input/output error)
fsstress: check_cwd stat64() returned -1 with errno: 5 (Input/output error)
fsstress: check_cwd stat64() returned -1 with errno: 5 (Input/output error)
fsstress: check_cwd stat64() returned -1 with errno: 5 (Input/output error)
-z -s 0 -m 31 -n 1 -p 1 \

seed = 1790547338
echo '1' 2>&1 > /sys/fs/xfs/dm-0/error/fail_at_unmount
echo '0' 2>&1 > /sys/fs/xfs/dm-0/error/metadata/EIO/max_retries
echo '0' 2>&1 > /sys/fs/xfs/dm-0/error/metadata/EIO/retry_timeout_seconds
fsstress killed (pid 2337144)
fsstress killed (pid 2337146)
fsstress killed (pid 2337147)
fsstress killed (pid 2337148)
fsstress killed (pid 2337149)
fsstress: check_cwd stat64() returned -1 with errno: 5 (Input/output error)
fsstress: check_cwd stat64() returned -1 with errno: 5 (Input/output error)
fsstress: check_cwd stat64() returned -1 with errno: 5 (Input/output error)
fsstress: check_cwd stat64() returned -1 with errno: 5 (Input/output error)
-z -s 0 -m 31 -n 1 -p 1 \

seed = 1790931704
echo '1' 2>&1 > /sys/fs/xfs/dm-0/error/fail_at_unmount
echo '0' 2>&1 > /sys/fs/xfs/dm-0/error/metadata/EIO/max_retries
echo '0' 2>&1 > /sys/fs/xfs/dm-0/error/metadata/EIO/retry_timeout_seconds
fsstress: check_cwd stat64() returned -1 with errno: 5 (Input/output error)
fsstress: check_cwd stat64() returned -1 with errno: 5 (Input/output error)
fsstress: check_cwd stat64() returned -1 with errno: 5 (Input/output error)
fsstress: check_cwd stat64() returned -1 with errno: 5 (Input/output error)
-z -s 0 -m 31 -n 1 -p 1 \

seed = 1790778545
echo '1' 2>&1 > /sys/fs/xfs/dm-0/error/fail_at_unmount
echo '0' 2>&1 > /sys/fs/xfs/dm-0/error/metadata/EIO/max_retries
echo '0' 2>&1 > /sys/fs/xfs/dm-0/error/metadata/EIO/retry_timeout_seconds
fsstress killed (pid 2337365)
fsstress killed (pid 2337367)
fsstress killed (pid 2337368)
fsstress killed (pid 2337369)
fsstress killed (pid 2337370)
fsstress: check_cwd stat64() returned -1 with errno: 5 (Input/output error)
fsstress: check_cwd stat64() returned -1 with errno: 5 (Input/output error)
fsstress: check_cwd stat64() returned -1 with errno: 5 (Input/output error)
fsstress: check_cwd stat64() returned -1 with errno: 5 (Input/output error)
-z -s 0 -m 31 -n 1 -p 1 \

seed = 1790120806
echo '1' 2>&1 > /sys/fs/xfs/dm-0/error/fail_at_unmount
echo '0' 2>&1 > /sys/fs/xfs/dm-0/error/metadata/EIO/max_retries
echo '0' 2>&1 > /sys/fs/xfs/dm-0/error/metadata/EIO/retry_timeout_seconds
fsstress killed (pid 2337510)
fsstress killed (pid 2337513)
fsstress killed (pid 2337514)
fsstress killed (pid 2337515)
fsstress killed (pid 2337516)
fsstress: check_cwd stat64() returned -1 with errno: 5 (Input/output error)
fsstress: check_cwd stat64() returned -1 with errno: 5 (Input/output error)
fsstress: check_cwd stat64() returned -1 with errno: 5 (Input/output error)
fsstress: check_cwd stat64() returned -1 with errno: 5 (Input/output error)
-z -s 0 -m 31 -n 1 -p 1 \

seed = 1790490191
echo '1' 2>&1 > /sys/fs/xfs/dm-0/error/fail_at_unmount
echo '0' 2>&1 > /sys/fs/xfs/dm-0/error/metadata/EIO/max_retries
echo '0' 2>&1 > /sys/fs/xfs/dm-0/error/metadata/EIO/retry_timeout_seconds
fsstress killed (pid 2337663)
fsstress killed (pid 2337688)
fsstress killed (pid 2337689)
fsstress killed (pid 2337690)
fsstress killed (pid 2337691)
fsstress: check_cwd stat64() returned -1 with errno: 5 (Input/output error)
fsstress: check_cwd stat64() returned -1 with errno: 5 (Input/output error)
fsstress: check_cwd stat64() returned -1 with errno: 5 (Input/output error)
fsstress: check_cwd stat64() returned -1 with errno: 5 (Input/output error)
-z -s 0 -m 31 -n 1 -p 1 \

seed = 1790728920
echo '1' 2>&1 > /sys/fs/xfs/dm-0/error/fail_at_unmount
echo '0' 2>&1 > /sys/fs/xfs/dm-0/error/metadata/EIO/max_retries
echo '0' 2>&1 > /sys/fs/xfs/dm-0/error/metadata/EIO/retry_timeout_seconds
fsstress killed (pid 2337902)
fsstress killed (pid 2337904)
fsstress killed (pid 2337905)
fsstress killed (pid 2337906)
fsstress killed (pid 2337907)
fsstress: check_cwd stat64() returned -1 with errno: 5 (Input/output error)
fsstress: check_cwd stat64() returned -1 with errno: 5 (Input/output error)
fsstress: check_cwd stat64() returned -1 with errno: 5 (Input/output error)
fsstress: check_cwd stat64() returned -1 with errno: 5 (Input/output error)
-z -s 0 -m 31 -n 1 -p 1 \

seed = 1790149288
echo '1' 2>&1 > /sys/fs/xfs/dm-0/error/fail_at_unmount
echo '0' 2>&1 > /sys/fs/xfs/dm-0/error/metadata/EIO/max_retries
echo '0' 2>&1 > /sys/fs/xfs/dm-0/error/metadata/EIO/retry_timeout_seconds
fsstress: check_cwd stat64() returned -1 with errno: 5 (Input/output error)
fsstress: check_cwd stat64() returned -1 with errno: 5 (Input/output error)
fsstress: check_cwd stat64() returned -1 with errno: 5 (Input/output error)
fsstress: check_cwd stat64() returned -1 with errno: 5 (Input/output error)
-z -s 0 -m 31 -n 1 -p 1 \

seed = 1790636922
echo '1' 2>&1 > /sys/fs/xfs/dm-0/error/fail_at_unmount
echo '0' 2>&1 > /sys/fs/xfs/dm-0/error/metadata/EIO/max_retries
echo '0' 2>&1 > /sys/fs/xfs/dm-0/error/metadata/EIO/retry_timeout_seconds
fsstress killed (pid 2338228)
fsstress killed (pid 2338230)
fsstress killed (pid 2338231)
fsstress killed (pid 2338232)
fsstress killed (pid 2338233)
fsstress: check_cwd stat64() returned -1 with errno: 5 (Input/output error)
fsstress: check_cwd stat64() returned -1 with errno: 5 (Input/output error)
fsstress: check_cwd stat64() returned -1 with errno: 5 (Input/output error)
fsstress: check_cwd stat64() returned -1 with errno: 5 (Input/output error)
-z -s 0 -m 31 -n 1 -p 1 \

seed = 1790107771
echo '1' 2>&1 > /sys/fs/xfs/dm-0/error/fail_at_unmount
echo '0' 2>&1 > /sys/fs/xfs/dm-0/error/metadata/EIO/max_retries
echo '0' 2>&1 > /sys/fs/xfs/dm-0/error/metadata/EIO/retry_timeout_seconds
fsstress: check_cwd stat64() returned -1 with errno: 5 (Input/output error)
fsstress killed (pid 2338389)
fsstress killed (pid 2338417)
fsstress killed (pid 2338419)
fsstress killed (pid 2338420)
fsstress: check_cwd stat64() returned -1 with errno: 5 (Input/output error)
fsstress: check_cwd stat64() returned -1 with errno: 5 (Input/output error)
fsstress: check_cwd stat64() returned -1 with errno: 5 (Input/output error)
-z -s 0 -m 31 -n 1 -p 1 \

seed = 1790316997
echo '1' 2>&1 > /sys/fs/xfs/dm-0/error/fail_at_unmount
echo '0' 2>&1 > /sys/fs/xfs/dm-0/error/metadata/EIO/max_retries
echo '0' 2>&1 > /sys/fs/xfs/dm-0/error/metadata/EIO/retry_timeout_seconds
fsstress: check_cwd stat64() returned -1 with errno: 5 (Input/output error)
fsstress: check_cwd stat64() returned -1 with errno: 5 (Input/output error)
fsstress: check_cwd stat64() returned -1 with errno: 5 (Input/output error)
fsstress: check_cwd stat64() returned -1 with errno: 5 (Input/output error)
-z -s 0 -m 31 -n 1 -p 1 \

seed = 1790194612
echo '1' 2>&1 > /sys/fs/xfs/dm-0/error/fail_at_unmount
echo '0' 2>&1 > /sys/fs/xfs/dm-0/error/metadata/EIO/max_retries
echo '0' 2>&1 > /sys/fs/xfs/dm-0/error/metadata/EIO/retry_timeout_seconds
fsstress killed (pid 2338685)
fsstress killed (pid 2338687)
fsstress killed (pid 2338688)
fsstress killed (pid 2338689)
fsstress killed (pid 2338690)
fsstress: check_cwd stat64() returned -1 with errno: 5 (Input/output error)
fsstress: check_cwd stat64() returned -1 with errno: 5 (Input/output error)
fsstress: check_cwd stat64() returned -1 with errno: 5 (Input/output error)
fsstress: check_cwd stat64() returned -1 with errno: 5 (Input/output error)
-z -s 0 -m 31 -n 1 -p 1 \

seed = 1790101612
echo '1' 2>&1 > /sys/fs/xfs/dm-0/error/fail_at_unmount
echo '0' 2>&1 > /sys/fs/xfs/dm-0/error/metadata/EIO/max_retries
echo '0' 2>&1 > /sys/fs/xfs/dm-0/error/metadata/EIO/retry_timeout_seconds
fsstress killed (pid 2338866)
fsstress killed (pid 2338868)
fsstress killed (pid 2338869)
fsstress killed (pid 2338870)
fsstress killed (pid 2338871)
fsstress: check_cwd stat64() returned -1 with errno: 5 (Input/output error)
fsstress: check_cwd stat64() returned -1 with errno: 5 (Input/output error)
fsstress: check_cwd stat64() returned -1 with errno: 5 (Input/output error)
fsstress: check_cwd stat64() returned -1 with errno: 5 (Input/output error)
-z -s 0 -m 31 -n 1 -p 1 \

seed = 1790699012
echo '1' 2>&1 > /sys/fs/xfs/dm-0/error/fail_at_unmount
echo '0' 2>&1 > /sys/fs/xfs/dm-0/error/metadata/EIO/max_retries
echo '0' 2>&1 > /sys/fs/xfs/dm-0/error/metadata/EIO/retry_timeout_seconds
fsstress: check_cwd stat64() returned -1 with errno: 5 (Input/output error)
fsstress: check_cwd stat64() returned -1 with errno: 5 (Input/output error)
fsstress: check_cwd stat64() returned -1 with errno: 5 (Input/output error)
fsstress: check_cwd stat64() returned -1 with errno: 5 (Input/output error)
fsstress killed (pid 2339045)
fsstress killed (pid 2339071)
fsstress killed (pid 2339072)
fsstress killed (pid 2339073)
fsstress killed (pid 2339074)
-z -s 0 -m 31 -n 1 -p 1 \

seed = 1790543103
echo '1' 2>&1 > /sys/fs/xfs/dm-0/error/fail_at_unmount
echo '0' 2>&1 > /sys/fs/xfs/dm-0/error/metadata/EIO/max_retries
echo '0' 2>&1 > /sys/fs/xfs/dm-0/error/metadata/EIO/retry_timeout_seconds
fsstress killed (pid 2339164)
fsstress killed (pid 2339166)
fsstress killed (pid 2339167)
fsstress killed (pid 2339168)
fsstress killed (pid 2339169)
fsstress: check_cwd stat64() returned -1 with errno: 5 (Input/output error)
fsstress: check_cwd stat64() returned -1 with errno: 5 (Input/output error)
fsstress: check_cwd stat64() returned -1 with errno: 5 (Input/output error)
fsstress: check_cwd stat64() returned -1 with errno: 5 (Input/output error)
-z -s 0 -m 31 -n 1 -p 1 \

seed = 1790692492
echo '1' 2>&1 > /sys/fs/xfs/dm-0/error/fail_at_unmount
echo '0' 2>&1 > /sys/fs/xfs/dm-0/error/metadata/EIO/max_retries
echo '0' 2>&1 > /sys/fs/xfs/dm-0/error/metadata/EIO/retry_timeout_seconds
fsstress killed (pid 2339302)
fsstress killed (pid 2339304)
fsstress killed (pid 2339306)
fsstress killed (pid 2339307)
fsstress killed (pid 2339308)
fsstress: check_cwd stat64() returned -1 with errno: 5 (Input/output error)
fsstress: check_cwd stat64() returned -1 with errno: 5 (Input/output error)
fsstress: check_cwd stat64() returned -1 with errno: 5 (Input/output error)
fsstress: check_cwd stat64() returned -1 with errno: 5 (Input/output error)
-z -s 0 -m 31 -n 1 -p 1 \

seed = 1790915330
echo '1' 2>&1 > /sys/fs/xfs/dm-0/error/fail_at_unmount
echo '0' 2>&1 > /sys/fs/xfs/dm-0/error/metadata/EIO/max_retries
echo '0' 2>&1 > /sys/fs/xfs/dm-0/error/metadata/EIO/retry_timeout_seconds
fsstress killed (pid 2339484)
fsstress killed (pid 2339486)
fsstress killed (pid 2339487)
fsstress killed (pid 2339488)
fsstress killed (pid 2339489)
fsstress: check_cwd stat64() returned -1 with errno: 5 (Input/output error)
fsstress: check_cwd stat64() returned -1 with errno: 5 (Input/output error)
fsstress: check_cwd stat64() returned -1 with errno: 5 (Input/output error)
fsstress: check_cwd stat64() returned -1 with errno: 5 (Input/output error)
-z -s 0 -m 31 -n 1 -p 1 \

seed = 1790920108
echo '1' 2>&1 > /sys/fs/xfs/dm-0/error/fail_at_unmount
echo '0' 2>&1 > /sys/fs/xfs/dm-0/error/metadata/EIO/max_retries
echo '0' 2>&1 > /sys/fs/xfs/dm-0/error/metadata/EIO/retry_timeout_seconds
fsstress killed (pid 2339709)
fsstress killed (pid 2339711)
fsstress killed (pid 2339712)
fsstress killed (pid 2339713)
fsstress killed (pid 2339714)
fsstress: check_cwd stat64() returned -1 with errno: 5 (Input/output error)
fsstress: check_cwd stat64() returned -1 with errno: 5 (Input/output error)
fsstress: check_cwd stat64() returned -1 with errno: 5 (Input/output error)
fsstress: check_cwd stat64() returned -1 with errno: 5 (Input/output error)
-z -s 0 -m 31 -n 1 -p 1 \

seed = 1790469658
echo '1' 2>&1 > /sys/fs/xfs/dm-0/error/fail_at_unmount
echo '0' 2>&1 > /sys/fs/xfs/dm-0/error/metadata/EIO/max_retries
echo '0' 2>&1 > /sys/fs/xfs/dm-0/error/metadata/EIO/retry_timeout_seconds
fsstress: check_cwd stat64() returned -1 with errno: 5 (Input/output error)
fsstress killed (pid 2339928)
fsstress killed (pid 2339931)
fsstress killed (pid 2339932)
fsstress killed (pid 2339933)
fsstress: check_cwd stat64() returned -1 with errno: 5 (Input/output error)
fsstress: check_cwd stat64() returned -1 with errno: 5 (Input/output error)
fsstress: check_cwd stat64() returned -1 with errno: 5 (Input/output error)
-z -s 0 -m 31 -n 1 -p 1 \

seed = 1790374998
echo '1' 2>&1 > /sys/fs/xfs/dm-0/error/fail_at_unmount
echo '0' 2>&1 > /sys/fs/xfs/dm-0/error/metadata/EIO/max_retries
echo '0' 2>&1 > /sys/fs/xfs/dm-0/error/metadata/EIO/retry_timeout_seconds
fsstress killed (pid 2340160)
fsstress killed (pid 2340162)
fsstress killed (pid 2340163)
fsstress killed (pid 2340164)
fsstress killed (pid 2340165)
fsstress: check_cwd stat64() returned -1 with errno: 5 (Input/output error)
fsstress: check_cwd stat64() returned -1 with errno: 5 (Input/output error)
fsstress: check_cwd stat64() returned -1 with errno: 5 (Input/output error)
fsstress: check_cwd stat64() returned -1 with errno: 5 (Input/output error)
-z -s 0 -m 31 -n 1 -p 1 \

seed = 1790608599
echo '1' 2>&1 > /sys/fs/xfs/dm-0/error/fail_at_unmount
echo '0' 2>&1 > /sys/fs/xfs/dm-0/error/metadata/EIO/max_retries
echo '0' 2>&1 > /sys/fs/xfs/dm-0/error/metadata/EIO/retry_timeout_seconds
fsstress: check_cwd stat64() returned -1 with errno: 5 (Input/output error)
fsstress: check_cwd stat64() returned -1 with errno: 5 (Input/output error)
fsstress: check_cwd stat64() returned -1 with errno: 5 (Input/output error)
fsstress: check_cwd stat64() returned -1 with errno: 5 (Input/output error)
fsstress killed (pid 2340285)
fsstress killed (pid 2340290)
-z -s 0 -m 31 -n 1 -p 1 \

seed = 1790548529
echo '1' 2>&1 > /sys/fs/xfs/dm-0/error/fail_at_unmount
echo '0' 2>&1 > /sys/fs/xfs/dm-0/error/metadata/EIO/max_retries
echo '0' 2>&1 > /sys/fs/xfs/dm-0/error/metadata/EIO/retry_timeout_seconds
fsstress killed (pid 2340354)
fsstress killed (pid 2340356)
fsstress killed (pid 2340357)
fsstress killed (pid 2340358)
fsstress killed (pid 2340359)
fsstress: check_cwd stat64() returned -1 with errno: 5 (Input/output error)
fsstress: check_cwd stat64() returned -1 with errno: 5 (Input/output error)
fsstress: check_cwd stat64() returned -1 with errno: 5 (Input/output error)
fsstress: check_cwd stat64() returned -1 with errno: 5 (Input/output error)
-z -s 0 -m 31 -n 1 -p 1 \

seed = 1789950108
echo '1' 2>&1 > /sys/fs/xfs/dm-0/error/fail_at_unmount
echo '0' 2>&1 > /sys/fs/xfs/dm-0/error/metadata/EIO/max_retries
echo '0' 2>&1 > /sys/fs/xfs/dm-0/error/metadata/EIO/retry_timeout_seconds
fsstress killed (pid 2340521)
fsstress killed (pid 2340523)
fsstress killed (pid 2340524)
fsstress killed (pid 2340525)
fsstress killed (pid 2340526)
fsstress: check_cwd stat64() returned -1 with errno: 5 (Input/output error)
fsstress: check_cwd stat64() returned -1 with errno: 5 (Input/output error)
fsstress: check_cwd stat64() returned -1 with errno: 5 (Input/output error)
fsstress: check_cwd stat64() returned -1 with errno: 5 (Input/output error)
-z -s 0 -m 31 -n 1 -p 1 \

seed = 1790394481
echo '1' 2>&1 > /sys/fs/xfs/dm-0/error/fail_at_unmount
echo '0' 2>&1 > /sys/fs/xfs/dm-0/error/metadata/EIO/max_retries
echo '0' 2>&1 > /sys/fs/xfs/dm-0/error/metadata/EIO/retry_timeout_seconds
fsstress killed (pid 2340689)
fsstress killed (pid 2340692)
fsstress killed (pid 2340693)
fsstress killed (pid 2340694)
fsstress killed (pid 2340695)
fsstress: check_cwd stat64() returned -1 with errno: 5 (Input/output error)
fsstress: check_cwd stat64() returned -1 with errno: 5 (Input/output error)
fsstress: check_cwd stat64() returned -1 with errno: 5 (Input/output error)
fsstress: check_cwd stat64() returned -1 with errno: 5 (Input/output error)
-z -s 0 -m 31 -n 1 -p 1 \

seed = 1790820897
echo '1' 2>&1 > /sys/fs/xfs/dm-0/error/fail_at_unmount
echo '0' 2>&1 > /sys/fs/xfs/dm-0/error/metadata/EIO/max_retries
echo '0' 2>&1 > /sys/fs/xfs/dm-0/error/metadata/EIO/retry_timeout_seconds
fsstress: check_cwd stat64() returned -1 with errno: 5 (Input/output error)
fsstress: check_cwd stat64() returned -1 with errno: 5 (Input/output error)
fsstress: check_cwd stat64() returned -1 with errno: 5 (Input/output error)
fsstress: check_cwd stat64() returned -1 with errno: 5 (Input/output error)
-z -s 0 -m 31 -n 1 -p 1 \

seed = 1790575571
echo '1' 2>&1 > /sys/fs/xfs/dm-0/error/fail_at_unmount
echo '0' 2>&1 > /sys/fs/xfs/dm-0/error/metadata/EIO/max_retries
echo '0' 2>&1 > /sys/fs/xfs/dm-0/error/metadata/EIO/retry_timeout_seconds
fsstress: check_cwd stat64() returned -1 with errno: 5 (Input/output error)
fsstress: check_cwd stat64() returned -1 with errno: 5 (Input/output error)
fsstress: check_cwd stat64() returned -1 with errno: 5 (Input/output error)
fsstress: check_cwd stat64() returned -1 with errno: 5 (Input/output error)
fsstress killed (pid 2340963)
fsstress killed (pid 2340965)
fsstress killed (pid 2340967)
fsstress killed (pid 2340968)
-z -s 0 -m 31 -n 1 -p 1 \

seed = 1790199142
echo '1' 2>&1 > /sys/fs/xfs/dm-0/error/fail_at_unmount
echo '0' 2>&1 > /sys/fs/xfs/dm-0/error/metadata/EIO/max_retries
echo '0' 2>&1 > /sys/fs/xfs/dm-0/error/metadata/EIO/retry_timeout_seconds
fsstress: check_cwd stat64() returned -1 with errno: 5 (Input/output error)
fsstress: check_cwd stat64() returned -1 with errno: 5 (Input/output error)
fsstress: check_cwd stat64() returned -1 with errno: 5 (Input/output error)
fsstress: check_cwd stat64() returned -1 with errno: 5 (Input/output error)
fsstress killed (pid 2341030)
fsstress killed (pid 2341034)
-z -s 0 -m 31 -n 1 -p 1 \

seed = 1790601860
echo '1' 2>&1 > /sys/fs/xfs/dm-0/error/fail_at_unmount
echo '0' 2>&1 > /sys/fs/xfs/dm-0/error/metadata/EIO/max_retries
echo '0' 2>&1 > /sys/fs/xfs/dm-0/error/metadata/EIO/retry_timeout_seconds
fsstress killed (pid 2341106)
fsstress killed (pid 2341108)
fsstress killed (pid 2341109)
fsstress killed (pid 2341110)
fsstress killed (pid 2341111)
fsstress: check_cwd stat64() returned -1 with errno: 5 (Input/output error)
fsstress: check_cwd stat64() returned -1 with errno: 5 (Input/output error)
fsstress: check_cwd stat64() returned -1 with errno: 5 (Input/output error)
fsstress: check_cwd stat64() returned -1 with errno: 5 (Input/output error)
-z -s 0 -m 31 -n 1 -p 1 \

seed = 1789946981
echo '1' 2>&1 > /sys/fs/xfs/dm-0/error/fail_at_unmount
echo '0' 2>&1 > /sys/fs/xfs/dm-0/error/metadata/EIO/max_retries
echo '0' 2>&1 > /sys/fs/xfs/dm-0/error/metadata/EIO/retry_timeout_seconds
fsstress: check_cwd stat64() returned -1 with errno: 5 (Input/output error)
fsstress: check_cwd stat64() returned -1 with errno: 5 (Input/output error)
fsstress: check_cwd stat64() returned -1 with errno: 5 (Input/output error)
fsstress: check_cwd stat64() returned -1 with errno: 5 (Input/output error)
fsstress killed (pid 2341284)
fsstress killed (pid 2341287)
-z -s 0 -m 31 -n 1 -p 1 \

seed = 1790942511
echo '1' 2>&1 > /sys/fs/xfs/dm-0/error/fail_at_unmount
echo '0' 2>&1 > /sys/fs/xfs/dm-0/error/metadata/EIO/max_retries
echo '0' 2>&1 > /sys/fs/xfs/dm-0/error/metadata/EIO/retry_timeout_seconds
fsstress: check_cwd stat64() returned -1 with errno: 5 (Input/output error)
fsstress: check_cwd stat64() returned -1 with errno: 5 (Input/output error)
fsstress: check_cwd stat64() returned -1 with errno: 5 (Input/output error)
fsstress: check_cwd stat64() returned -1 with errno: 5 (Input/output error)
fsstress killed (pid 2341351)
fsstress killed (pid 2341353)
fsstress killed (pid 2341354)
fsstress killed (pid 2341355)
-z -s 0 -m 31 -n 1 -p 1 \

seed = 1790658551
echo '1' 2>&1 > /sys/fs/xfs/dm-0/error/fail_at_unmount
echo '0' 2>&1 > /sys/fs/xfs/dm-0/error/metadata/EIO/max_retries
echo '0' 2>&1 > /sys/fs/xfs/dm-0/error/metadata/EIO/retry_timeout_seconds
fsstress killed (pid 2341420)
fsstress killed (pid 2341422)
fsstress killed (pid 2341423)
fsstress killed (pid 2341424)
fsstress killed (pid 2341425)
fsstress: check_cwd stat64() returned -1 with errno: 5 (Input/output error)
fsstress: check_cwd stat64() returned -1 with errno: 5 (Input/output error)
fsstress: check_cwd stat64() returned -1 with errno: 5 (Input/output error)
fsstress: check_cwd stat64() returned -1 with errno: 5 (Input/output error)
-z -s 0 -m 31 -n 1 -p 1 \

seed = 1790422918
echo '1' 2>&1 > /sys/fs/xfs/dm-0/error/fail_at_unmount
echo '0' 2>&1 > /sys/fs/xfs/dm-0/error/metadata/EIO/max_retries
echo '0' 2>&1 > /sys/fs/xfs/dm-0/error/metadata/EIO/retry_timeout_seconds
fsstress: check_cwd stat64() returned -1 with errno: 5 (Input/output error)
fsstress: check_cwd stat64() returned -1 with errno: 5 (Input/output error)
fsstress: check_cwd stat64() returned -1 with errno: 5 (Input/output error)
fsstress: check_cwd stat64() returned -1 with errno: 5 (Input/output error)
umount: /mnt/scratch: not mounted.
_check_xfs_filesystem: filesystem on /dev/sdb is inconsistent (r)
*** xfs_repair -n output ***
Phase 1 - find and verify superblock...
Phase 2 - using internal log
        - zero log...
        - scan filesystem freespace and inode maps...
        - found root inode chunk
Phase 3 - for each AG...
        - scan (but don't clear) agi unlinked lists...
        - process known inodes and perform inode discovery...
        - agno = 0
attribute entry #12 in attr block 710, inode 132 is INCOMPLETE
problem with attribute contents in inode 132
would clear attr fork
bad nblocks 8368 for inode 132, would reset to 0
bad anextents 3243 for inode 132, would reset to 0
attribute entry #2 in attr block 0, inode 145 is INCOMPLETE
problem with attribute contents in inode 145
would clear attr fork
bad nblocks 3 for inode 145, would reset to 0
bad anextents 2 for inode 145, would reset to 0
        - agno = 1
attribute entry #1 in attr block 567, inode 16777344 is INCOMPLETE
problem with attribute contents in inode 16777344
would clear attr fork
bad nblocks 8576 for inode 16777344, would reset to 0
bad anextents 3267 for inode 16777344, would reset to 0
        - agno = 2
attribute entry #1 in attr block 548, inode 33685632 is INCOMPLETE
problem with attribute contents in inode 33685632
would clear attr fork
bad nblocks 8553 for inode 33685632, would reset to 0
bad anextents 3176 for inode 33685632, would reset to 0
attribute entry #3 in attr block 0, inode 33685633 is INCOMPLETE
problem with attribute contents in inode 33685633
would clear attr fork
bad nblocks 3 for inode 33685633, would reset to 0
bad anextents 2 for inode 33685633, would reset to 0
attribute entry #7 in attr block 0, inode 33685634 is INCOMPLETE
problem with attribute contents in inode 33685634
would clear attr fork
bad nblocks 1 for inode 33685634, would reset to 0
bad anextents 1 for inode 33685634, would reset to 0
        - agno = 3
attribute entry #3 in attr block 888, inode 50331776 is INCOMPLETE
problem with attribute contents in inode 50331776
would clear attr fork
bad nblocks 8367 for inode 50331776, would reset to 0
bad anextents 3210 for inode 50331776, would reset to 0
attribute entry #1 in attr block 0, inode 50331778 is INCOMPLETE
problem with attribute contents in inode 50331778
would clear attr fork
bad nblocks 1 for inode 50331778, would reset to 0
bad anextents 1 for inode 50331778, would reset to 0
        - process newly discovered inodes...
Phase 4 - check for duplicate blocks...
        - setting up duplicate extent list...
        - check for inodes claiming duplicate blocks...
        - agno = 0
        - agno = 3
        - agno = 1
        - agno = 2
No modify flag set, skipping phase 5
Phase 6 - check inode connectivity...
        - traversing filesystem ...
        - traversal finished ...
        - moving disconnected inodes to lost+found ...
Phase 7 - verify link counts...
No modify flag set, skipping filesystem flush and exiting.
*** end xfs_repair output
*** mount output ***
/dev/nvme0n1p4 on / type btrfs (rw,relatime,seclabel,compress=zstd:1,ssd,space_cache=v2,subvolid=256,subvol=/root)
devtmpfs on /dev type devtmpfs (rw,nosuid,seclabel,size=3607904k,nr_inodes=901976,mode=755,inode64)
tmpfs on /dev/shm type tmpfs (rw,nosuid,nodev,seclabel,inode64)
devpts on /dev/pts type devpts (rw,nosuid,noexec,relatime,seclabel,gid=5,mode=620,ptmxmode=000)
sysfs on /sys type sysfs (rw,nosuid,nodev,noexec,relatime,seclabel)
securityfs on /sys/kernel/security type securityfs (rw,nosuid,nodev,noexec,relatime)
cgroup2 on /sys/fs/cgroup type cgroup2 (rw,nosuid,nodev,noexec,relatime,seclabel,nsdelegate,memory_recursiveprot)
none on /sys/fs/pstore type pstore (rw,nosuid,nodev,noexec,relatime,seclabel)
efivarfs on /sys/firmware/efi/efivars type efivarfs (rw,nosuid,nodev,noexec,relatime)
bpf on /sys/fs/bpf type bpf (rw,nosuid,nodev,noexec,relatime,mode=700)
configfs on /sys/kernel/config type configfs (rw,nosuid,nodev,noexec,relatime)
proc on /proc type proc (rw,nosuid,nodev,noexec,relatime)
tmpfs on /run type tmpfs (rw,nosuid,nodev,seclabel,size=1463540k,nr_inodes=819200,mode=755,inode64)
selinuxfs on /sys/fs/selinux type selinuxfs (rw,nosuid,noexec,relatime)
systemd-1 on /proc/sys/fs/binfmt_misc type autofs (rw,relatime,fd=36,pgrp=1,timeout=0,minproto=5,maxproto=5,direct,pipe_ino=6197)
debugfs on /sys/kernel/debug type debugfs (rw,nosuid,nodev,noexec,relatime,seclabel)
hugetlbfs on /dev/hugepages type hugetlbfs (rw,nosuid,nodev,relatime,seclabel,pagesize=2M)
mqueue on /dev/mqueue type mqueue (rw,nosuid,nodev,noexec,relatime,seclabel)
tracefs on /sys/kernel/tracing type tracefs (rw,nosuid,nodev,noexec,relatime,seclabel)
tmpfs on /run/credentials/systemd-journald.service type tmpfs (ro,nosuid,nodev,noexec,relatime,nosymfollow,seclabel,size=1024k,nr_inodes=1024,mode=700,inode64,noswap)
fusectl on /sys/fs/fuse/connections type fusectl (rw,nosuid,nodev,noexec,relatime)
/dev/nvme0n1p4 on /home type btrfs (rw,relatime,seclabel,compress=zstd:1,ssd,space_cache=v2,subvolid=257,subvol=/home)
tmpfs on /tmp type tmpfs (rw,nosuid,nodev,seclabel,nr_inodes=1048576,inode64)
/dev/nvme0n1p4 on /var type btrfs (rw,relatime,seclabel,compress=zstd:1,ssd,space_cache=v2,subvolid=258,subvol=/var)
/dev/nvme0n1p3 on /boot type ext4 (rw,relatime,seclabel)
/dev/nvme0n1p2 on /boot/efi type vfat (rw,relatime,fmask=0077,dmask=0077,codepage=437,iocharset=ascii,shortname=winnt,errors=remount-ro)
binfmt_misc on /proc/sys/fs/binfmt_misc type binfmt_misc (rw,nosuid,nodev,noexec,relatime)
tmpfs on /run/credentials/getty@tty1.service type tmpfs (ro,nosuid,nodev,noexec,relatime,nosymfollow,seclabel,size=1024k,nr_inodes=1024,mode=700,inode64,noswap)
tmpfs on /run/credentials/serial-getty@ttyS0.service type tmpfs (ro,nosuid,nodev,noexec,relatime,nosymfollow,seclabel,size=1024k,nr_inodes=1024,mode=700,inode64,noswap)
tmpfs on /run/user/0 type tmpfs (rw,nosuid,nodev,relatime,seclabel,size=731768k,nr_inodes=182942,mode=700,inode64)
*** end mount output
umount: /dev/sdb: not mounted.