Details
-
Bug
-
Resolution: Fixed
-
Minor
-
None
-
3
-
9223372036854775807
Description
BUG: unable to handle kernel NULL pointer dereference at 0000000000000004
IP: [] osd_scrub_refresh_mapping+0x39d/0x410 [osd_ldiskfs]
PGD 424f4067 PUD 379e9067 PMD 0
Oops: 0000 1 SMP
last sysfs file: /sys/devices/pci0000:00/0000:00:0b.0/virtio3/block/vdb/queue/scheduler
CPU 0
Modules linked in: osp(U) mdd(U) lfsck(U) lod(U) mdt(U) mgs(U) mgc(U) osd_ldiskfs(U) lquota(U) lustre(U) lov(U) mdc(U) fid(U) fld(U) ksocklnd(U) ptlrpc(U) obdclass(U) lnet(U) sha512_generic sha256_generic libcfs(U) ldiskfs(U) nfs lockd fscache auth_rpcgss nfs_acl sunrpc ipt_REJECT ip6t_REJECT nf_conntrack_ipv6 nf_defrag_ipv6 xt_state nf_conntrack ip6table_filter ip6_tables ipv6 virtio_balloon virtio_net i2c_piix4 i2c_core ext4 jbd2 mbcache virtio_blk virtio_pci virtio_ring virtio pata_acpi ata_generic ata_piix dm_mirror dm_region_hash dm_log dm_mod [last unloaded: nf_defrag_ipv4]
Pid: 7379, comm: mount.lustre Not tainted 2.6.32-431.17.1.el6_lustreb_neo_stable_us_unlabeled #1 Red Hat KVM
RIP: 0010:[] [] osd_scrub_refresh_mapping+0x39d/0x410 [osd_ldiskfs]
RSP: 0018:ffff88005b9af858 EFLAGS: 00010202
RAX: 00000000ffffffff RBX: ffff88005b8b8000 RCX: 0000000000000000
RDX: ffffffffa0b97b49 RSI: ffffffffa0b9c2e8 RDI: ffffffffa0bb4820
RBP: ffff88005b9af8b8 R08: 20737365636f7250 R09: 0000000000000001
R10: 20737365636f7250 R11: 0a64657265746e65 R12: 00000000ffffffe2
R13: 0000000000000001 R14: ffffffffffffffe2 R15: ffffffffa0b97f88
FS: 00007f21e28ec700(0000) GS:ffff880002200000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 000000008005003b
CR2: 0000000000000004 CR3: 000000005df01000 CR4: 00000000000006f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000ffff0ff0 DR7: 0000000000000400
Process mount.lustre (pid: 7379, threadinfo ffff88005b9ae000, task ffff88005b9caaa0)
Stack:
ffffffffa0b9ee9c ffff88005b8b2000 ffff88005b9af898 ffffffffffffffe2
ffff88005b9af801 0000000000000000 ffff8800414c43c8 ffff88005b8b8000
ffffffffa0b97fb0 ffff88005b8b2000 ffff8800414c43c0 ffff88005d5c2d80
Call Trace:
[] osd_scrub_setup+0xe25/0xf30 [osd_ldiskfs]
[] ? lfsck_key_init+0xd9/0x190 [lfsck]
[] osd_device_alloc+0x717/0x990 [osd_ldiskfs]
[] obd_setup+0x1bf/0x290 [obdclass]
[] class_setup+0x208/0x870 [obdclass]
[] class_process_config+0xc5c/0x1ac0 [obdclass]
[] ? libcfs_log_return+0x28/0x40 [libcfs]
[] ? lustre_cfg_new+0x40b/0x6f0 [obdclass]
[] do_lcfg+0x158/0x450 [obdclass]
[] lustre_start_simple+0x94/0x200 [obdclass]
[] server_fill_super+0x1061/0x1b92 [obdclass]
[] ? libcfs_log_return+0x28/0x40 [libcfs]
[] lustre_fill_super+0x1d8/0x550 [obdclass]
[] ? lustre_fill_super+0x0/0x550 [obdclass]
[] get_sb_nodev+0x5f/0xa0
[] lustre_get_sb+0x25/0x30 [obdclass]
[] vfs_kern_mount+0x7b/0x1b0
[] do_kern_mount+0x52/0x130
[] do_mount+0x2fb/0x930
[] sys_mount+0x90/0xe0
[] system_call_fastpath+0x16/0x1b
Code: 48 c7 c7 20 48 bb a0 c7 05 71 d6 02 00 75 00 00 00 48 c7 05 72 d6 02 00 00 00 00 00 c7 05 60 d6 02 00 00 00 00 10 44 89 74 24 18 <8b> 41 04 48 8b 53 28 45 8b 4f 08 4d 8b 07 89 44 24 10 8b 01 48
RIP [] osd_scrub_refresh_mapping+0x39d/0x410 [osd_ldiskfs]