Hi there! I have an oops in a virtual machine using ext4 as fs. The kernel is 3.14 [153468.339345] EXT4-fs error (device vda1): ext4_mb_generate_buddy:756: group 50, 26334 clusters in bitmap, 26332 in gd; block bitmap corrupt. [153468.340172] Aborting journal on device vda1-8. [153468.340983] EXT4-fs (vda1): Remounting filesystem read-only [153468.341304] ------------[ cut here ]------------ [153468.341369] WARNING: CPU: 4 PID: 16902 at fs/ext4/ext4_jbd2.c:259 __ext4_handle_dirty_metadata+0x5c/0x17f [ext4]() [153468.341372] Modules linked in: loop snd_pcm snd_timer snd parport_pc parport soundcore i2c_piix4 i2c_core psmouse pcspkr microcode serio_raw virtio_balloon evdev processor thermal_sys button ext4 crc16 jbd2 mbcache sg sr_mod cdrom ata_generic virtio_blk virtio_net floppy ata_piix libata uhci_hcd virtio_pci virtio_ring ehci_hcd virtio scsi_mod usbcore usb_common [153468.341412] CPU: 4 PID: 16902 Comm: collect2 Not tainted 3.14.0-rc8+ #61 [153468.341414] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2007 [153468.341417] 0000000000000000 0000000000000009 ffffffff813a5d47 0000000000000000 [153468.341422] ffffffff810396af ffff880022f49498 ffffffffa0133e65 ffff880022cdde68 [153468.341426] ffff880022cdde68 00000000ffffffe2 ffff880022f49498 0000000000000000 [153468.341430] Call Trace: [153468.341488] [<ffffffff813a5d47>] ? dump_stack+0x41/0x51 [153468.341523] [<ffffffff810396af>] ? warn_slowpath_common+0x78/0x90 [153468.341536] [<ffffffffa0133e65>] ? __ext4_handle_dirty_metadata+0x5c/0x17f [ext4] [153468.341549] [<ffffffffa0133e65>] ? __ext4_handle_dirty_metadata+0x5c/0x17f [ext4] [153468.341559] [<ffffffffa0114f1a>] ? ext4_dirty_inode+0x21/0x52 [ext4] [153468.341569] [<ffffffffa0114ef9>] ? ext4_evict_inode+0x2d8/0x2d8 [ext4] [153468.341585] [<ffffffffa013a37b>] ? ext4_free_blocks+0x757/0x809 [ext4] [153468.341612] [<ffffffff81132c66>] ? __find_get_block+0x154/0x162 [153468.341625] [<ffffffffa01317cb>] ? ext4_ext_remove_space+0x621/0xbbc [ext4] [153468.341639] [<ffffffffa013fca2>] ? ext4_es_remove_extent+0x70/0x93 [ext4] [153468.341651] [<ffffffffa0132df4>] ? ext4_ext_truncate+0x7a/0x9e [ext4] [153468.341661] [<ffffffffa0112efb>] ? ext4_truncate+0x1b5/0x29f [ext4] [153468.341672] [<ffffffffa0114de9>] ? ext4_evict_inode+0x1c8/0x2d8 [ext4] [153468.341678] [<ffffffff811218e0>] ? evict+0xa3/0x153 [153468.341689] [<ffffffff81118d37>] ? do_unlinkat+0x120/0x1c2 [153468.341696] [<ffffffff810ec668>] ? vm_munmap+0x46/0x55 [153468.341705] [<ffffffff813af022>] ? system_call_fastpath+0x16/0x1b [153468.341708] ---[ end trace 7fd0a6c0fb901b79 ]--- [153468.341742] BUG: unable to handle kernel NULL pointer dereference at 0000000000000028 [153468.342173] IP: [<ffffffffa0127318>] __ext4_error_inode+0x25/0x13c [ext4] [153468.342547] PGD 37307067 PUD 36f57067 PMD 0 [153468.342854] Oops: 0000 [#1] SMP [153468.343055] Modules linked in: loop snd_pcm snd_timer snd parport_pc parport soundcore i2c_piix4 i2c_core psmouse pcspkr microcode serio_raw virtio_balloon evdev processor thermal_sys button ext4 crc16 jbd2 mbcache sg sr_mod cdrom ata_generic virtio_blk virtio_net floppy ata_piix libata uhci_hcd virtio_pci virtio_ring ehci_hcd virtio scsi_mod usbcore usb_common [153468.344916] CPU: 4 PID: 16902 Comm: collect2 Tainted: G W 3.14.0-rc8+ #61 [153468.344916] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2007 [153468.344916] task: ffff880036d74750 ti: ffff88003a9b0000 task.ti: ffff88003a9b0000 [153468.344916] RIP: 0010:[<ffffffffa0127318>] [<ffffffffa0127318>] __ext4_error_inode+0x25/0x13c [ext4] [153468.344916] RSP: 0018:ffff88003a9b1b18 EFLAGS: 00010296 [153468.344916] RAX: 0000000000000000 RBX: 0000000000000000 RCX: 0000000000180002 [153468.344916] RDX: 00000000000012ea RSI: ffffffffa0151023 RDI: 0000000000000000 [153468.344916] RBP: ffffffffa014d9d0 R08: ffffffffa015406a R09: 0000000000000005 [153468.344916] R10: 0000000000000000 R11: ffffffff814e7700 R12: 00000000000012ea [153468.344916] R13: 0000000000180002 R14: ffffffffa014d9d0 R15: 00000000000012ea [153468.344916] FS: 00002b5afef92e40(0000) GS:ffff88003cf00000(0000) knlGS:0000000000000000 [153468.344916] CS: 0010 DS: 0000 ES: 0000 CR0: 000000008005003b [153468.344916] CR2: 0000000000000028 CR3: 0000000036bf4000 CR4: 00000000000006e0 [153468.344916] Stack: [153468.344916] 00000000000012ea ffffffff813a3ceb 0000000000000009 ffffffff00000010 [153468.344916] ffff88003a9b1b88 ffff88003a9b1b48 00000000000012ea 7fd0a6c0fb901b79 [153468.344916] 0000000000000000 0000000000001173 0000000000000002 ffffffffa0133b17 [153468.344916] Call Trace: [153468.344916] [<ffffffff813a3ceb>] ? printk+0x4f/0x54 [153468.344916] [<ffffffffa0133b17>] ? ext4_journal_abort_handle+0x2a/0x89 [ext4] [153468.344916] [<ffffffffa0133f77>] ? __ext4_handle_dirty_metadata+0x16e/0x17f [ext4] [153468.344916] [<ffffffffa013a37b>] ? ext4_free_blocks+0x757/0x809 [ext4] [153468.344916] [<ffffffff81132c66>] ? __find_get_block+0x154/0x162 [153468.344916] [<ffffffffa01317cb>] ? ext4_ext_remove_space+0x621/0xbbc [ext4] [153468.344916] [<ffffffffa013fca2>] ? ext4_es_remove_extent+0x70/0x93 [ext4] [153468.344916] [<ffffffffa0132df4>] ? ext4_ext_truncate+0x7a/0x9e [ext4] [153468.344916] [<ffffffffa0112efb>] ? ext4_truncate+0x1b5/0x29f [ext4] [153468.344916] [<ffffffffa0114de9>] ? ext4_evict_inode+0x1c8/0x2d8 [ext4] [153468.344916] [<ffffffff811218e0>] ? evict+0xa3/0x153 [153468.344916] [<ffffffff81118d37>] ? do_unlinkat+0x120/0x1c2 [153468.344916] [<ffffffff810ec668>] ? vm_munmap+0x46/0x55 [153468.344916] [<ffffffff813af022>] ? system_call_fastpath+0x16/0x1b [153468.344916] Code: 5d 41 5e 41 5f c3 41 55 49 89 cd 41 54 41 89 d4 55 48 89 f5 48 c7 c6 23 10 15 a0 53 48 89 fb 48 81 ec 88 00 00 00 4c 89 4c 24 78 <48> 8b 47 28 48 8b 57 40 48 8b 80 f8 02 00 00 48 8b 40 68 89 90 [153468.344916] RIP [<ffffffffa0127318>] __ext4_error_inode+0x25/0x13c [ext4] [153468.344916] RSP <ffff88003a9b1b18> [153468.344916] CR2: 0000000000000028 [153468.373561] ---[ end trace 7fd0a6c0fb901b7a ]--- Please, if you need additional info keep me in CC as i'm not subscribed to the list. Regards. -- 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
