I can confirm this bug. running kubuntu lucid with kde 4.5.0 from launchpad.
[ 2.979045] EXT4-fs (sda3): INFO: recovery required on readonly filesystem [ 2.979049] EXT4-fs (sda3): write access will be enabled during recovery [ 6.303769] EXT4-fs (sda3): orphan cleanup on readonly fs [ 6.303776] EXT4-fs (sda3): ext4_orphan_cleanup: deleting unreferenced inode 1606559 [ 6.303867] EXT4-fs (sda3): ext4_orphan_cleanup: deleting unreferenced inode 1594128 [ 6.303897] EXT4-fs (sda3): ext4_orphan_cleanup: deleting unreferenced inode 1606536 [ 6.303915] EXT4-fs (sda3): ext4_orphan_cleanup: deleting unreferenced inode 1593843 [ 6.303953] EXT4-fs (sda3): ext4_orphan_cleanup: deleting unreferenced inode 1594187 [ 6.303969] EXT4-fs (sda3): ext4_orphan_cleanup: deleting unreferenced inode 1606439 [ 6.303978] EXT4-fs (sda3): ext4_orphan_cleanup: deleting unreferenced inode 1606438 [ 6.303987] EXT4-fs (sda3): ext4_orphan_cleanup: deleting unreferenced inode 1606510 [ 6.303996] EXT4-fs (sda3): ext4_orphan_cleanup: deleting unreferenced inode 1606512 [ 6.304022] EXT4-fs (sda3): ext4_orphan_cleanup: deleting unreferenced inode 1606516 [ 6.319997] EXT4-fs (sda3): ext4_orphan_cleanup: deleting unreferenced inode 1604596 [ 6.320026] EXT4-fs (sda3): ext4_orphan_cleanup: deleting unreferenced inode 1604598 [ 6.320040] EXT4-fs (sda3): 12 orphan inodes deleted [ 6.320043] EXT4-fs (sda3): recovery complete [ 6.558636] EXT4-fs (sda3): mounted filesystem with ordered data mode
I can confirm this bug. running kubuntu lucid with kde 4.5.0 from launchpad.
[ 2.979045] EXT4-fs (sda3): INFO: recovery required on readonly filesystem cleanup: deleting unreferenced inode 1606559 cleanup: deleting unreferenced inode 1594128 cleanup: deleting unreferenced inode 1606536 cleanup: deleting unreferenced inode 1593843 cleanup: deleting unreferenced inode 1594187 cleanup: deleting unreferenced inode 1606439 cleanup: deleting unreferenced inode 1606438 cleanup: deleting unreferenced inode 1606510 cleanup: deleting unreferenced inode 1606512 cleanup: deleting unreferenced inode 1606516 cleanup: deleting unreferenced inode 1604596 cleanup: deleting unreferenced inode 1604598
[ 2.979049] EXT4-fs (sda3): write access will be enabled during recovery
[ 6.303769] EXT4-fs (sda3): orphan cleanup on readonly fs
[ 6.303776] EXT4-fs (sda3): ext4_orphan_
[ 6.303867] EXT4-fs (sda3): ext4_orphan_
[ 6.303897] EXT4-fs (sda3): ext4_orphan_
[ 6.303915] EXT4-fs (sda3): ext4_orphan_
[ 6.303953] EXT4-fs (sda3): ext4_orphan_
[ 6.303969] EXT4-fs (sda3): ext4_orphan_
[ 6.303978] EXT4-fs (sda3): ext4_orphan_
[ 6.303987] EXT4-fs (sda3): ext4_orphan_
[ 6.303996] EXT4-fs (sda3): ext4_orphan_
[ 6.304022] EXT4-fs (sda3): ext4_orphan_
[ 6.319997] EXT4-fs (sda3): ext4_orphan_
[ 6.320026] EXT4-fs (sda3): ext4_orphan_
[ 6.320040] EXT4-fs (sda3): 12 orphan inodes deleted
[ 6.320043] EXT4-fs (sda3): recovery complete
[ 6.558636] EXT4-fs (sda3): mounted filesystem with ordered data mode