[Bug 1195245] [NEW] btrfs receive fails for second snapshot

[Miguel Negrao]

Public bug reported:

See upstream bug report: https://bugzilla.kernel.org/show_bug.cgi?id=60081
Confirmed broken in 
Btrfs v0.20-rc1, working on Btrfs v0.20-rc1-335-gf00dd83 (from git). Perhaps ubuntu's btrfs-tools package should pull upstream ?

Info from bug report above:

sudo btrfs subvolume create test
cd test
nano a.txt
cd ..
sudo btrfs subvolume snapshot -r test testBackup1
sudo btrfs send testBackup1 > '/media/miguel/btrfs_backup/file1' 
cd test
nano b.txt 
cd ..
sudo btrfs subvolume snapshot -r test testBackup2
sudo btrfs send -p testBackup1 testBackup2 > '/media/miguel/btrfs_backup/file2' 
sudo btrfs receive '/media/miguel/btrfs_backup/testBtrfsBackups' <
'/media/miguel/btrfs_backup/file1' 
sudo btrfs receive '/media/miguel/btrfs_backup/testBtrfsBackups' <
'/media/miguel/btrfs_backup/file2'

The last command gives the error:
ERROR: open testBtrfsBackups/testBackup1 failed. No such file or directory

But the subvolume is there:

miguel at miguel-MacBookPro:/media/miguel/btrfs_backup/testBtrfsBackups$ ls -l
total 0
drwxr-xr-x 1 miguel miguel 10 Jun 25 09:59 testBackup1

The files file1 and file2 created are attached in case someone want to try
doing the receive part.

I'm using ubuntu 13.04, 3.8.0-25-lowlatency #17-Ubuntu SMP PREEMPT Sat Jun 8
15:59:57 UTC 2013 x86_64 x86_64 x86_64 GNU/Linux.

Btrfs v0.20-rc1

ProblemType: Bug
DistroRelease: Ubuntu 13.04
Package: btrfs-tools 0.19+20130117-0ubuntu1
ProcVersionSignature: Ubuntu 3.8.0-22.15-lowlatency 3.8.11
Uname: Linux 3.8.0-22-lowlatency x86_64
ApportVersion: 2.9.2-0ubuntu8.1
Architecture: amd64
Date: Thu Jun 27 11:17:56 2013
InstallationDate: Installed on 2013-03-29 (89 days ago)
InstallationMedia: Ubuntu 13.04 "Raring Ringtail" - Alpha amd64 (20130328)
MarkForUpload: True
SourcePackage: btrfs-tools
UpgradeStatus: No upgrade log present (probably fresh install)

** Affects: btrfs-tools (Ubuntu)
     Importance: Undecided
         Status: New


** Tags: amd64 apport-bug raring

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https://bugs.launchpad.net/bugs/1195245

Title:
  btrfs  receive fails for second snapshot

Status in “btrfs-tools” package in Ubuntu:
  New

Bug description:
  See upstream bug report: https://bugzilla.kernel.org/show_bug.cgi?id=60081
  Confirmed broken in 
  Btrfs v0.20-rc1, working on Btrfs v0.20-rc1-335-gf00dd83 (from git). Perhaps ubuntu's btrfs-tools package should pull upstream ?

  Info from bug report above:

  sudo btrfs subvolume create test
  cd test
  nano a.txt
  cd ..
  sudo btrfs subvolume snapshot -r test testBackup1
  sudo btrfs send testBackup1 > '/media/miguel/btrfs_backup/file1' 
  cd test
  nano b.txt 
  cd ..
  sudo btrfs subvolume snapshot -r test testBackup2
  sudo btrfs send -p testBackup1 testBackup2 > '/media/miguel/btrfs_backup/file2' 
  sudo btrfs receive '/media/miguel/btrfs_backup/testBtrfsBackups' <
  '/media/miguel/btrfs_backup/file1' 
  sudo btrfs receive '/media/miguel/btrfs_backup/testBtrfsBackups' <
  '/media/miguel/btrfs_backup/file2'

  The last command gives the error:
  ERROR: open testBtrfsBackups/testBackup1 failed. No such file or directory

  But the subvolume is there:

  miguel at miguel-MacBookPro:/media/miguel/btrfs_backup/testBtrfsBackups$ ls -l
  total 0
  drwxr-xr-x 1 miguel miguel 10 Jun 25 09:59 testBackup1

  The files file1 and file2 created are attached in case someone want to try
  doing the receive part.

  I'm using ubuntu 13.04, 3.8.0-25-lowlatency #17-Ubuntu SMP PREEMPT Sat Jun 8
  15:59:57 UTC 2013 x86_64 x86_64 x86_64 GNU/Linux.

  Btrfs v0.20-rc1

  ProblemType: Bug
  DistroRelease: Ubuntu 13.04
  Package: btrfs-tools 0.19+20130117-0ubuntu1
  ProcVersionSignature: Ubuntu 3.8.0-22.15-lowlatency 3.8.11
  Uname: Linux 3.8.0-22-lowlatency x86_64
  ApportVersion: 2.9.2-0ubuntu8.1
  Architecture: amd64
  Date: Thu Jun 27 11:17:56 2013
  InstallationDate: Installed on 2013-03-29 (89 days ago)
  InstallationMedia: Ubuntu 13.04 "Raring Ringtail" - Alpha amd64 (20130328)
  MarkForUpload: True
  SourcePackage: btrfs-tools
  UpgradeStatus: No upgrade log present (probably fresh install)

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