Hi, ocfs2 on a drbd device, writing something to it, then unmount ends up in: [ 1135.766639] OCFS2: ERROR (device drbd0): ocfs2_block_group_clear_bits: Group descriptor # 4128768 has bit count 32256 but claims 33222 are freed. num_bits 996 [ 1135.766645] On-disk corruption discovered. Please run fsck.ocfs2 once the filesystem is unmounted. [ 1135.766647] (umount,10751,3):_ocfs2_free_suballoc_bits:2490 ERROR: status = -30 [ 1135.766650] (umount,10751,3):_ocfs2_free_clusters:2573 ERROR: status = -30 [ 1135.766652] (umount,10751,3):ocfs2_sync_local_to_main:1027 ERROR: status = -30 [ 1135.766654] (umount,10751,3):ocfs2_sync_local_to_main:1032 ERROR: status = -30 [ 1135.766656] (umount,10751,3):ocfs2_shutdown_local_alloc:449 ERROR: status = -30 [ 1135.965908] ocfs2: Unmounting device (147,0) on (node 2) This is since 6.6.55, reverting this patch helps: commit e7a801014726a691d4aa6e3839b3f0940ea41591 Author: Heming Zhao <heming.zhao@xxxxxxxx> Date: Fri Jul 19 19:43:10 2024 +0800 ocfs2: fix the la space leak when unmounting an ocfs2 volume commit dfe6c5692fb525e5e90cefe306ee0dffae13d35f upstream. Linux 6.1.119 is also broken, but 6.12.4 is fine. I guess there is something missing? Thomas