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  1. Bug #1757565
  2. Comment #4

Comment 4 for bug 1757565

Revision history for this message
Ryan Harper (raharper) wrote :

v4.14-rc1: BAD

ubuntu@ubuntu:~$ uname -r
4.14.0-041400rc1-generic
ubuntu@ubuntu:~$ sudo bash
root@ubuntu:~# mount /dev/sda /mnt
root@ubuntu:~# grep sda /proc/mounts
/dev/sda /mnt btrfs rw,relatime,space_cache,subvolid=5,subvol=/ 0 0
root@ubuntu:~# SPARSE="-S"; rm -rf /mnt/tmp; md5sum /usr/bin/python3.6; mkdir -p /mnt/tmp; cp -a /usr/bin/python3.6 /mnt/tmp; tar -C /mnt/tmp $SPARSE -czf /mnt/test.tgz .; tar $SPARSE -xzf /mnt/test.tgz -O | md5sum
e4121d2f3126b8c364bfa1aaa82371a3 /usr/bin/python3.6
0ce8c4139740198926273853defcb12a -

v4.14 Final: BAD

root@ubuntu:~# uname -r
4.14.0-041400-generic
root@ubuntu:~# mount /dev/sda /mnt
root@ubuntu:~# grep sda /proc/mounts
/dev/sda /mnt btrfs rw,relatime,space_cache,subvolid=5,subvol=/ 0 0
root@ubuntu:~# SPARSE="-S"; rm -rf /mnt/tmp; md5sum /usr/bin/python3.6; mkdir -p /mnt/tmp; cp -a /usr/bin/python3.6 /mnt/tmp; tar -C /mnt/tmp $SPARSE -czf /mnt/test.tgz .; tar $SPARSE -xzf /mnt/test.tgz -O | md5sum
e4121d2f3126b8c364bfa1aaa82371a3 /usr/bin/python3.6
0ce8c4139740198926273853defcb12a -

v4.15-rc1: BAD

root@ubuntu:~# uname -r
4.15.0-041500rc1-generic
root@ubuntu:~# mount /dev/sda /mnt
root@ubuntu:~# grep sda /proc/mounts
/dev/sda /mnt btrfs rw,relatime,space_cache,subvolid=5,subvol=/ 0 0
root@ubuntu:~# SPARSE="-S"; rm -rf /mnt/tmp; md5sum /usr/bin/python3.6; mkdir -p /mnt/tmp; cp -a /usr/bin/python3.6 /mnt/tmp; tar -C /mnt/tmp $SPARSE -czf /mnt/test.tgz .; tar $SPARSE -xzf /mnt/test.tgz -O | md5sum
e4121d2f3126b8c364bfa1aaa82371a3 /usr/bin/python3.6
0ce8c4139740198926273853defcb12a -

Bionic v4.15.0-12-generic: GOOD
root@ubuntu:~# uname -r
4.15.0-12-generic
root@ubuntu:~# mount /dev/sda /mnt
root@ubuntu:~# grep sda /proc/mounts
/dev/sda /mnt btrfs rw,relatime,space_cache,subvolid=5,subvol=/ 0 0
root@ubuntu:~# SPARSE="-S"; rm -rf /mnt/tmp; md5sum /usr/bin/python3.6; mkdir -p /mnt/tmp; cp -a /usr/bin/python3.6 /mnt/tmp; tar -C /mnt/tmp $SPARSE -czf /mnt/test.tgz .; tar $SPARSE -xzf /mnt/test.tgz -O | md5sum
e4121d2f3126b8c364bfa1aaa82371a3 /usr/bin/python3.6
e4121d2f3126b8c364bfa1aaa82371a3 -