An old version of btrfs-progs (3.17 in this case) has a different version string, so adapt our filtering to include this line as well. Related to/updates commit 839ae5bcd537b3dc4f13bbea6fe40091ebc2b7f0. --- daemon/btrfs.c | 3 ++- 1 file changed, 2 insertions(+), 1 deletion(-) diff --git a/daemon/btrfs.c b/daemon/btrfs.c index d18f518..23513a9 100644 --- a/daemon/btrfs.c +++ b/daemon/btrfs.c @@ -2268,7 +2268,8 @@ do_btrfs_filesystem_show (const char *device) } else if (STRPREFIX (lines[i], "\t*** Some devices missing")) { reply_with_error_errno (ENODEV, "%s: missing devices", device); return NULL; - } else if (STRPREFIX (lines[i], "btrfs-progs v")) { + } else if (STRPREFIX (lines[i], "btrfs-progs v") || + STRPREFIX (lines[i], "Btrfs v")) { /* Older versions of btrfs-progs output also the version string * (the same as `btrfs --version`. This has been fixed upstream * since v4.3.1, commit e29ec82e4e66042ca55bf8cd9ef609e3b21a7eb7. -- 2.9.3