Hi all, after boot I am seeing this in dmesg
[ 23.874698] BTRFS info (device sda1): enabling auto defrag [ 23.874702] BTRFS info (device sda1): disk space caching is enabled [ 26.074456] Adding 4193276k swap on /dev/sda4. Priority:-1 extents:1 across:4193276k [ 26.242940] ------------[ cut here ]------------ [ 26.242953] WARNING: CPU: 1 PID: 1863 at fs/btrfs/inode.c:3443 btrfs_orphan_cleanup+0x2d1/0x420() [ 26.242955] Modules linked in: vboxnetadp(O) vboxnetflt(O) vboxdrv(O) tun nvidia(PO) cdc_ether usbnet mii cdc_acm cdc_wdm iwldvm iwlwifi intel_agp intel_gtt efivarfs [ 26.242977] CPU: 1 PID: 1863 Comm: mount Tainted: P W O 4.1.7-hardened-r1 #3 [ 26.242979] Hardware name: Dell Inc. Latitude E6510/0N5KHN, BIOS A16 12/05/2013 [ 26.242982] ffffffff81c113c4 ffffc90001633918 ffffffff819d1e43 ffffffff81e3a0f8 [ 26.242986] 0000000000000000 ffffc90001633958 ffffffff8107cf25 ffff88021f57f800 [ 26.242989] ffff88021f57f800 ffff880222c39e10 ffff8802217d74e0 0000000000000000 [ 26.242993] Call Trace: [ 26.243004] [<ffffffff819d1e43>] dump_stack+0x45/0x5d [ 26.243012] [<ffffffff8107cf25>] warn_slowpath_common+0x85/0xd0 [ 26.243016] [<ffffffff8107d025>] warn_slowpath_null+0x15/0x20 [ 26.243019] [<ffffffff8133f4f1>] btrfs_orphan_cleanup+0x2d1/0x420 [ 26.243023] [<ffffffff8133f9c0>] btrfs_lookup_dentry+0x380/0x530 [ 26.243027] [<ffffffff8133fb81>] btrfs_lookup+0x11/0x50 [ 26.243033] [<ffffffff811bb1fc>] lookup_real+0x2c/0x80 [ 26.243036] [<ffffffff811bbd4e>] __lookup_hash+0x2e/0x40 [ 26.243041] [<ffffffff811c187e>] path_lookupat+0x88e/0xd10 [ 26.243048] [<ffffffff8144574e>] ? idr_get_empty_slot+0x1be/0x4e0 [ 26.243056] [<ffffffff8119f4bc>] ? kmem_cache_alloc+0x2c/0x150 [ 26.243058] [<ffffffff811c2adf>] ? getname_kernel+0x2f/0x130 [ 26.243060] [<ffffffff811c1d1f>] filename_lookup+0x1f/0x100 [ 26.243062] [<ffffffff811c2f82>] vfs_path_lookup+0x62/0xc0 [ 26.243065] [<ffffffff8122a3be>] ? proc_alloc_inum+0x2e/0xb0 [ 26.243069] [<ffffffff81464b7b>] ? __list_add+0x1b/0x40 [ 26.243073] [<ffffffff811d88eb>] mount_subtree+0x3b/0x90 [ 26.243075] [<ffffffff811a0bb8>] ? kfree+0x38/0x180 [ 26.243079] [<ffffffff81303e93>] btrfs_mount+0x273/0x970 [ 26.243081] [<ffffffff811b3aaf>] mount_fs+0x3f/0x1a0 [ 26.243085] [<ffffffff811710e0>] ? __alloc_percpu+0x10/0x20 [ 26.243087] [<ffffffff811d4123>] vfs_kern_mount+0x63/0x120 [ 26.243089] [<ffffffff811d7587>] do_mount+0x557/0xdc0 [ 26.243091] [<ffffffff81199c65>] ? alloc_pages_current+0x95/0x120 [ 26.243094] [<ffffffff81154b09>] ? __get_free_pages+0x9/0xb0 [ 26.243096] [<ffffffff811d6e75>] ? copy_mount_options+0x35/0x1c0 [ 26.243098] [<ffffffff811d83aa>] SyS_mount+0x8a/0xf0 [ 26.243101] [<ffffffff819dba4b>] system_call_fastpath+0x12/0x79 [ 26.243102] ---[ end trace 666fc5daa976e384 ]--- [ 26.243108] BTRFS error (device sda1): Error removing orphan entry, stopping orphan cleanup [ 26.243110] BTRFS error (device sda1): could not do orphan cleanup -22 Linux 4.1.7-hardened-r1 #3 SMP Thu Dec 24 14:19:04 CET 2015 x86_64 Intel(R) Core(TM) i7 CPU M 640 @ 2.80GHz GenuineIntel GNU/Linux btrfs-progs v4.3.1 Is there something I can do about it? Thank you in advance Pavol -- To unsubscribe from this list: send the line "unsubscribe linux-btrfs" in the body of a message to majord...@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html