On Thu, Dec 24, 2015 at 10:04:48AM +0100, Swâmi Petaramesh wrote: > Hi there, > > I’m running Arch Linux with kernel 4.2.5-1-ARCH > > Since a few days, I have noticed a series of messages : > > « BTRFS: could not find root 8 » > > During boot.
systemd is now probing for qgroups on startup. The message is simply indicating that qgroups are not enabled on the FS. It's harmless. Hugo. > Besides that, the system behaves normally, and I have no clue… > > Here is an extract of the relevant parts of my dmesg : > > [ 1.515764] Btrfs loaded > [ 1.516239] BTRFS: device label BOOT devid 1 transid 8557 /dev/sda8 > [ 1.523135] device-mapper: uevent: version 1.0.3 > … > [ 20.639556] BTRFS: device label LINUX devid 1 transid 474967 /dev/dm-1 > [ 20.952280] PM: Starting manual resume from disk > [ 20.952291] PM: Hibernation image partition 254:2 present > [ 20.952295] PM: Looking for hibernation image. > [ 20.952730] PM: Image not found (code -22) > [ 20.952738] PM: Hibernation image not present or could not be loaded. > [ 20.979997] BTRFS info (device dm-1): use ssd allocation scheme > [ 20.980008] BTRFS info (device dm-1): turning on discard > [ 20.980014] BTRFS info (device dm-1): disk space caching is enabled > [ 20.980017] BTRFS: has skinny extents > [ 21.319036] ip_tables: (C) 2000-2006 Netfilter Core Team > … > [ 23.047601] FS-Cache: Loaded > [ 23.053089] systemd[1]: Mounted POSIX Message Queue File System. > [ 23.070842] systemd[1]: Mounted Huge Pages File System. > [ 23.072100] systemd[1]: Mounted Temporary Directory. > [ 23.080089] BTRFS info (device dm-1): disk space caching is enabled > [ 23.087653] systemd[1]: Started Remount Root and Kernel File Systems. > … > [ 25.429686] BTRFS info (device sda8): use ssd allocation scheme > [ 25.429694] BTRFS info (device sda8): turning on discard > [ 25.429698] BTRFS info (device sda8): disk space caching is enabled > [ 25.429700] BTRFS: has skinny extents > … > [ 25.593769] Adding 4530172k swap on /dev/mapper/VGZ-SWAP. Priority:-1 > extents:1 across:4530172k SSDscFS > … > [ 25.777378] FAT-fs (sda2): utf8 is not a recommended IO charset for FAT > filesystems, filesystem will be case sensitive! > [ 25.800485] FAT-fs (sda2): Volume was not properly unmounted. Some data > may > be corrupt. Please run fsck. > [ 25.817125] BTRFS: could not find root 8 > [ 25.844334] BTRFS: could not find root 8 > [ 25.845650] BTRFS: could not find root 8 > [ 25.847190] BTRFS: could not find root 8 > [ 25.855431] BTRFS: could not find root 8 > [ 25.856834] BTRFS: could not find root 8 > [ 25.860539] BTRFS: could not find root 8 > [ 25.862021] BTRFS: could not find root 8 > [ 29.778795] IPv6: ADDRCONF(NETDEV_UP): enp3s0: link is not ready > … > > TIA, kind regards. > -- Hugo Mills | I am an opera lover from planet Zog. Take me to your hugo@... carfax.org.uk | lieder. http://carfax.org.uk/ | PGP: E2AB1DE4 |
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