I've recently installed ArchLinux on a Lenovo Ideapad laptop.
Right on the first day of use, I received error messages at boot time
like these:
BTRFS error (device dm-0): block group 11840520192 has wrong amount of
free space
BTRFS error (device dm-0): failed to load free space cache for block
group 11840520192
Then I added the clear_cache option to see if the problem would go
away. After 3 boots, it did go away. But after some more boots, it's
back!
I believe there has been no unclean shutdowns nor lock-ups so far.
What could be causing this error during normal operation?
I have:
Kernel 3.12.9
btrfs-progs 3.12
/etc/fstab:
# /dev/mapper/luks-pool
UUID=c56031b3-af27-41f6-8103-ede1f0743ac0 / btrfs
subvol=arch,compress=zlib,nospace_cache,rw,noatime,clear_cache
0 0
# /dev/mapper/luks-pool
UUID=c56031b3-af27-41f6-8103-ede1f0743ac0 /var btrfs
subvol=arch-var,compress=lzo,nospace_cache,commit=180,rw,noatime,clear_cache
0 0
# /dev/mapper/luks-pool
UUID=c56031b3-af27-41f6-8103-ede1f0743ac0 /home btrfs
subvol=home,compress=zlib,nospace_cache,rw,noatime,clear_cache
0 0
Thanks!
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