Closed
Description
System information
| Type | Version/Name |
|---|---|
| Distribution Name | Ubuntu |
| Distribution Version | 22.04 |
| Kernel Version | 5.15.0-50-generic #56-Ubuntu SMP Tue Sep 20 13:23:26 UTC 2022 |
| Architecture | x86_64 |
| OpenZFS Version | zfs-2.1.2-1ubuntu3, zfs-kmod-2.1.4-0ubuntu0.1 |
Describe the problem you're observing
Commands zpool status, zpool list hang.
Describe how to reproduce the problem
Enter command. observe hang. zpool status prints two pools. missing one. zpool list hangs without any output.
Include any warning/errors/backtraces from the system logs
$ strace zpool status
...
openat(AT_FDCWD, "/proc/sys/kernel/spl/hostid", O_RDONLY|O_CLOEXEC) = 6
newfstatat(6, "", {st_mode=S_IFREG|0644, st_size=0, ...}, AT_EMPTY_PATH) = 0
read(6, "a8fd681\n", 1024) = 8
close(6) = 0
write(1, " pool: backup_ext_1T\n", 22 pool: backup_ext_1T
) = 22
write(1, " state: ONLINE\n", 15 state: ONLINE
) = 15
newfstatat(AT_FDCWD, "/etc/localtime", {st_mode=S_IFREG|0644, st_size=114, ...}, 0) = 0
write(1, " scan: scrub paused since Mon O"..., 52 scan: scrub paused since Mon Oct 24 05:06:31 2022
) = 52
newfstatat(AT_FDCWD, "/etc/localtime", {st_mode=S_IFREG|0644, st_size=114, ...}, 0) = 0
write(1, "\tscrub started on Mon Oct 24 00:"..., 43 scrub started on Mon Oct 24 00:00:30 2022
) = 43
write(1, "\t556G scanned, 393G issued, 821G"..., 39 556G scanned, 393G issued, 821G total
) = 39
write(1, "\t0B repaired, 47.86% done\n", 26 0B repaired, 47.86% done
) = 26
write(1, "config:\n\n", 9config:
) = 9
write(1, "\tNAME "..., 78 NAME STATE READ WRITE CKSUM
) = 78
write(1, "\tbackup_ext_1T "..., 78 backup_ext_1T ONLINE 0 0 0
) = 78
write(1, "\t usb-Intenso_External_USB_3.0_"..., 78 usb-Intenso_External_USB_3.0_201208141013D-0:0 ONLINE 0 0 0
) = 78
write(1, "\n", 1
) = 1
write(1, "errors: No known data errors\n", 29errors: No known data errors
) = 29
ioctl(3, ZFS_IOC_POOL_GET_PROPS
and it hangs there. Descriptor 3 is: openat(AT_FDCWD, "/dev/zfs", O_RDWR|O_EXCL|O_CLOEXEC) = 3
$ strace zpool list
...
newfstatat(AT_FDCWD, "/sys/module/zfs/features.pool/org.openzfs:device_rebuild", {st_mode=S_IFDIR|0755, st_size=0, ...}, 0) = 0
newfstatat(AT_FDCWD, "/sys/module/zfs/features.pool/org.freebsd:zstd_compress", {st_mode=S_IFDIR|0755, st_size=0, ...}, 0) = 0
newfstatat(AT_FDCWD, "/sys/module/zfs/features.pool/org.openzfs:draid", {st_mode=S_IFDIR|0755, st_size=0, ...}, 0) = 0
mmap(NULL, 266240, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f5d0cba5000
ioctl(3, ZFS_IOC_POOL_CONFIGS, 0x7ffd34066260) = 0
munmap(0x7f5d0cba5000, 266240) = 0
ioctl(3, ZFS_IOC_POOL_STATS, 0x7ffd34066210) = 0
brk(0x55fc890b4000) = 0x55fc890b4000
brk(0x55fc890f6000) = 0x55fc890f6000
ioctl(3, ZFS_IOC_POOL_GET_PROPS, 0x7ffd34065140) = 0
ioctl(3, ZFS_IOC_POOL_STATS, 0x7ffd34066210) = 0
ioctl(3, ZFS_IOC_POOL_GET_PROPS, 0x7ffd34065140) = 0
ioctl(3, ZFS_IOC_POOL_STATS, 0x7ffd34066210) = 0
ioctl(3, ZFS_IOC_POOL_GET_PROPS
Descriptor 3 is: openat(AT_FDCWD, "/dev/zfs", O_RDWR|O_EXCL|O_CLOEXEC) = 3
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