[Bug 1333773] Re: scanning for btrfs file systems on system startup

[Juan Pablo Baudoin]

We have the same problem as João Manuel.
Fresh ubuntu 14.04 installation on laptop.
One disk partitioned as follows:
   /dev/sda1      ext4       /boot
   /dev/sda2      btrfs      /
   /dev/sda5      btrfs      /var
   /dev/sda6      swap
   /dev/sda7      btrfs      /home

The message "Scanning for btrfs file systems" appears on boot and takes
long time in there.

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Title:
  scanning for btrfs file systems on system startup

Status in btrfs-tools package in Ubuntu:
  Confirmed

Bug description:
  After upgrading from Ubuntu 12.04 to Ubuntu 14.04, I get a message
  "scanning for btrfs file systems" at starting-up. I don't have any
  BTRFS filesystem. It delays the booting for about 15 seconds.

  
  I tried to :
  1) blacklist the brtfs module in /etc/modprobe.d.
  2) remove btrfs-tools
  3) renamed the executable /sbin/btrfs to p.e /sbin/btrfs.save

  Now i get a blank screen for about 15 seconds until the splash screen
  appears.

  How can I get rid of this?

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