[ 8.292666] new mount options do not match the existing superblock, will be ignored [ 41.386715] nova: 1 cpus online [ 41.386720] nova: nova_get_nvmm_info: dev pmem0, phys_addr 0x40000000, virt_addr 0xffff9e5d40000000, size 134217728 [ 41.386721] nova: measure timing 0, metadata checksum 0, wprotect 0, data checksum 0, data parity 0, DRAM checksum 0 [ 41.386747] nova: Start NOVA snapshot cleaner thread. [ 41.386752] nova: creating an empty nova of size 134217728 [ 41.387636] nova: NOVA initialization finish [ 41.387644] nova: Current epoch id: 0 [ 41.390681] nova: Running snapshot cleaner thread [ 53.239095] dd (1652) used greatest stack depth: 13176 bytes left [ 56.792697] nova: Current epoch id: 0 [ 56.792720] nova: nova_save_inode_list_to_log: 1 inode nodes, pi head 0x117b000, tail 0x117b010 [ 56.792721] nova: nova_save_blocknode_mappings_to_log: 1 blocknodes, 1 log pages, pi head 0x117c000, tail 0x117c010 [ 92.885685] nova: 1 cpus online [ 92.885690] nova: nova_get_nvmm_info: dev pmem0, phys_addr 0x40000000, virt_addr 0xffff9e5d40000000, size 134217728 [ 92.885690] nova: measure timing 0, metadata checksum 0, wprotect 0, data checksum 0, data parity 0, DRAM checksum 0 [ 92.885730] nova: Start NOVA snapshot cleaner thread. [ 92.885736] nova: NOVA: Failure recovery [ 92.885738] nova: Recovered 0 snapshots, latest epoch ID 0 [ 92.885987] nova: Running snapshot cleaner thread [ 92.885996] BUG: unable to handle kernel NULL pointer dereference at 0000000000000008 [ 92.886343] PGD 0 P4D 0 [ 92.886494] Oops: 0000 [#1] SMP PTI [ 92.886664] CPU: 0 PID: 1670 Comm: mount Not tainted 4.18.0-nova+ #1 [ 92.886894] Hardware name: innotek GmbH VirtualBox/VirtualBox, BIOS VirtualBox 12/01/2006 [ 92.887229] RIP: 0010:nova_traverse_inode_log.isra.9+0x31/0x110 [ 92.887229] Code: 48 8b 04 25 28 00 00 00 48 89 44 24 08 31 c0 48 85 d2 0f 84 bd 00 00 00 48 89 d1 81 e1 ff 0f 00 00 0f 85 cf 00 00 00 48 89 f5 <48> 8b 46 08 48 89 d6 48 89 fb 48 c1 ee 0c 3e 48 0f ab 30 48 8b 87 [ 92.887264] RSP: 0018:ffffc1c8808b7a28 EFLAGS: 00010246 [ 92.888166] RAX: 0000000000000000 RBX: ffffc1c8808b7a88 RCX: 0000000000000000 [ 92.888821] RDX: 000000000117a000 RSI: 0000000000000000 RDI: ffff9e5dbb83e800 [ 92.889348] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000 [ 92.889783] R10: 0000000000000c00 R11: ffffffffffd24390 R12: ffff9e5db62a0000 [ 92.890086] R13: ffff9e5dbb83e800 R14: 0000000000000000 R15: 0000000000000000 [ 92.890367] FS: 00007feacd575080(0000) GS:ffff9e5dbfc00000(0000) knlGS:0000000000000000 [ 92.890765] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 92.891058] CR2: 0000000000000008 CR3: 00000000b69e6001 CR4: 00000000000606f0 [ 92.891390] Call Trace: [ 92.891611] ? try_to_wake_up+0x50/0x420 [ 92.891848] nova_recover_inode_pages+0x83/0xb0 [ 92.892094] nova_failure_recovery_crawl+0x3ca/0x400 [ 92.892353] ? __kthread_bind_mask+0x3f/0x60 [ 92.892597] nova_failure_recovery+0x2fe/0x480 [ 92.892841] ? printk+0x53/0x6a [ 92.893049] ? _cond_resched+0x10/0x20 [ 92.893265] nova_recovery.cold.33+0x249/0x68f [ 92.893505] nova_fill_super.cold.25+0x7ec/0xa2d [ 92.893720] ? nova_update_super_crc+0x80/0x80 [ 92.893932] mount_bdev+0x172/0x1a0 [ 92.894127] mount_fs+0x36/0x162 [ 92.894310] vfs_kern_mount.part.39+0x4f/0x100 [ 92.894525] do_mount+0x20a/0xc90 [ 92.894693] ? _copy_from_user+0x37/0x60 [ 92.894877] ? memdup_user+0x39/0x60 [ 92.895050] ksys_mount+0xb5/0xd0 [ 92.895217] __x64_sys_mount+0x1c/0x20 [ 92.895394] do_syscall_64+0x43/0xf0 [ 92.895573] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 92.895782] RIP: 0033:0x7feacce363ca [ 92.895953] Code: 48 8b 0d c1 8a 2c 00 f7 d8 64 89 01 48 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d 8e 8a 2c 00 f7 d8 64 89 01 48 [ 92.896619] RSP: 002b:00007ffe535a91e8 EFLAGS: 00000206 ORIG_RAX: 00000000000000a5 [ 92.896935] RAX: ffffffffffffffda RBX: 000055dd8b0b8420 RCX: 00007feacce363ca [ 92.897184] RDX: 000055dd8b0b8600 RSI: 000055dd8b0b8640 RDI: 000055dd8b0b8620 [ 92.897435] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000 [ 92.897709] R10: 00000000c0ed0000 R11: 0000000000000206 R12: 000055dd8b0b8620 [ 92.897959] R13: 000055dd8b0b8600 R14: 0000000000000000 R15: 00007feacd3578a4 [ 92.898209] Modules linked in: [ 92.898372] CR2: 0000000000000008 [ 92.898582] ---[ end trace 6f3edb36db84d006 ]--- [ 92.898778] RIP: 0010:nova_traverse_inode_log.isra.9+0x31/0x110 [ 92.899000] Code: 48 8b 04 25 28 00 00 00 48 89 44 24 08 31 c0 48 85 d2 0f 84 bd 00 00 00 48 89 d1 81 e1 ff 0f 00 00 0f 85 cf 00 00 00 48 89 f5 <48> 8b 46 08 48 89 d6 48 89 fb 48 c1 ee 0c 3e 48 0f ab 30 48 8b 87 [ 92.899661] RSP: 0018:ffffc1c8808b7a28 EFLAGS: 00010246 [ 92.899868] RAX: 0000000000000000 RBX: ffffc1c8808b7a88 RCX: 0000000000000000 [ 92.900115] RDX: 000000000117a000 RSI: 0000000000000000 RDI: ffff9e5dbb83e800 [ 92.900362] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000 [ 92.900609] R10: 0000000000000c00 R11: ffffffffffd24390 R12: ffff9e5db62a0000 [ 92.900856] R13: ffff9e5dbb83e800 R14: 0000000000000000 R15: 0000000000000000 [ 92.901103] FS: 00007feacd575080(0000) GS:ffff9e5dbfc00000(0000) knlGS:0000000000000000 [ 92.901427] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 92.901644] CR2: 0000000000000008 CR3: 00000000b69e6001 CR4: 00000000000606f0 [ 92.904353] mount (1670) used greatest stack depth: 13096 bytes left