Hi there! I remember I reported a similar OOPs some time ago. This is what I'm having now, while compiling a new kernel. Is a VM, with the ext4 over a LVS volume from the virtualization server (kvm). [60051.240797] EXT4-fs error (device vda1): ext4_mb_generate_buddy:757: group 50, block bitmap and bg descriptor inconsistent: 13481 vs 13480 free clusters [60051.241510] Aborting journal on device vda1-8. [60051.243504] EXT4-fs (vda1): Remounting filesystem read-only [60051.244557] ------------[ cut here ]------------ [60051.244634] WARNING: CPU: 5 PID: 17238 at fs/ext4/ext4_jbd2.c:260 __ext4_handle_dirty_metadata+0x5c/0x1b7 [ext4]() [60051.244636] Modules linked in: nft_hash nft_rbtree nfsd auth_rpcgss oid_registry nfs_acl nfs lockd fscache sunrpc loop snd_pcm snd_timer snd psmouse soundcore parport_pc serio_raw pcspkr parport microcode evdev i2c_piix4 virtio_balloon processor thermal_sys button ext4 crc16 jbd2 mbcache sg sr_mod cdrom ata_generic virtio_blk virtio_net floppy uhci_hcd ata_piix ehci_hcd libata scsi_mod usbcore virtio_pci virtio_ring virtio usb_common [60051.244680] CPU: 5 PID: 17238 Comm: collect2 Not tainted 3.17.0-rc4+ #5 [60051.244682] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2007 [60051.244685] 0000000000000000 0000000000000009 ffffffff813e058e 0000000000000000 [60051.244689] ffffffff8103c2a6 ffff88005b752e00 ffffffffa01349c2 ffff880022e39090 [60051.244693] ffff880022e39090 ffff880056f801a8 00000000ffffffe2 0000000000000000 [60051.244732] Call Trace: [60051.244796] [<ffffffff813e058e>] ? dump_stack+0x41/0x51 [60051.245197] [<ffffffff8103c2a6>] ? warn_slowpath_common+0x78/0x90 [60051.245212] [<ffffffffa01349c2>] ? __ext4_handle_dirty_metadata+0x5c/0x1b7 [ext4] [60051.245224] [<ffffffffa01349c2>] ? __ext4_handle_dirty_metadata+0x5c/0x1b7 [ext4] [60051.245235] [<ffffffffa0115f3d>] ? ext4_dirty_inode+0x21/0x52 [ext4] [60051.245244] [<ffffffffa0115f1c>] ? ext4_evict_inode+0x2d7/0x2d7 [ext4] [60051.245259] [<ffffffffa013afa6>] ? ext4_free_blocks+0x6c6/0x778 [ext4] [60051.245277] [<ffffffffa01001a4>] ? jbd2_journal_put_journal_head+0x17/0x109 [jbd2] [60051.245473] [<ffffffffa0131a23>] ? ext4_ext_remove_space+0x660/0xbd8 [ext4] [60051.245487] [<ffffffffa01405a9>] ? __es_remove_extent+0x1ee/0x291 [ext4] [60051.245500] [<ffffffffa013319f>] ? ext4_ext_truncate+0x7a/0x9e [ext4] [60051.245509] [<ffffffffa0113f0b>] ? ext4_truncate+0x1d0/0x2ba [ext4] [60051.245520] [<ffffffffa0115e09>] ? ext4_evict_inode+0x1c4/0x2d7 [ext4] [60051.245546] [<ffffffff8112a8b0>] ? evict+0xa3/0x147 [60051.245552] [<ffffffff81121971>] ? do_unlinkat+0x124/0x1c0 [60051.245567] [<ffffffff810f507f>] ? vm_munmap+0x46/0x55 [60051.245581] [<ffffffff813e4c12>] ? system_call_fastpath+0x16/0x1b [60051.245584] ---[ end trace 8d5a92036c653e2a ]--- [60051.245588] EXT4: jbd2_journal_dirty_metadata failed: handle type 5 started at line 244, credits 29/29, errcode -30 [60051.246133] EXT4: jbd2_journal_dirty_metadata failed: handle type 5 started at line 244, credits 29/29, errcode -30<2>[60051.246827] EXT4-fs error (device vda1) in ext4_free_blocks:4889: Journal has aborted [60051.247680] EXT4-fs error (device vda1) in ext4_reserve_inode_write:4757: Journal has aborted [60051.248615] EXT4-fs error (device vda1) in ext4_reserve_inode_write:4757: Journal has aborted [60051.249387] EXT4-fs error (device vda1) in ext4_ext_remove_space:3020: Journal has aborted [60051.250150] EXT4-fs error (device vda1) in ext4_ext_truncate:4664: Journal has aborted [60051.250904] EXT4-fs error (device vda1) in ext4_reserve_inode_write:4757: Journal has aborted [60051.251655] EXT4-fs error (device vda1) in ext4_truncate:3664: Journal has aborted [60051.252822] EXT4-fs error (device vda1) in ext4_reserve_inode_write:4757: Journal has aborted [60051.254288] EXT4-fs error (device vda1) in ext4_orphan_del:2720: Journal has aborted Please, CC, I'm not in the list. -- Arturo Borrero González -- To unsubscribe from this list: send the line "unsubscribe linux-ext4" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html