18:42:11:Lustre: DEBUG MARKER: == conf-sanity test 43: check root_squash and nosquash_nids == 18:41:55 (1374198115) 18:42:11:Lustre: DEBUG MARKER: mkdir -p /mnt/lustre 18:42:11:Lustre: DEBUG MARKER: mount -t lustre -o user_xattr,acl,flock wtm-14vm7@tcp:/lustre /mnt/lustre 18:42:11:LustreError: 152-6: Ignoring deprecated mount option 'acl'. 18:43:54:LustreError: 13347:0:(obd_config.c:1303:class_process_proc_param()) lustre-client-ffff88007d16ec00: unknown param some_wrong_param=10 18:43:54:LustreError: 11-0: lustre-MDT0000-mdc-ffff88007d16ec00: Communicating with 10.10.16.156@tcp, operation mds_connect failed with -11. 18:43:54:Lustre: Layout lock feature supported. 18:43:54:Lustre: Mounted lustre-client 18:43:54:LNet: 13360:0:(debug.c:326:libcfs_debug_str2mask()) You are trying to use a numerical value for the mask - this will be deprecated in a future release. 18:43:54:Lustre: DEBUG MARKER: lctl get_param -n llite.lustre*.root_squash 18:43:54:Lustre: DEBUG MARKER: lctl get_param -n llite.lustre*.nosquash_nids 18:43:54:Lustre: lustre: nosquash_nids is cleared 18:43:54:Lustre: lustre: root_squash is set to 500:500 18:43:54:Lustre: DEBUG MARKER: lctl get_param -n llite.lustre*.root_squash 18:43:54:Lustre: DEBUG MARKER: lctl get_param -n llite.lustre*.nosquash_nids 18:43:54:Lustre: lustre: nosquash_nids is set to 2@elan 0@lo 10.10.16.151@tcp 192.168.0.[2,10]@tcp 18:43:54:Lustre: DEBUG MARKER: lctl get_param -n llite.lustre*.nosquash_nids 18:43:55:Lustre: DEBUG MARKER: lctl set_param -n fail_loc=0 2>/dev/null || true 18:43:55:Lustre: DEBUG MARKER: grep -c /mnt/lustre' ' /proc/mounts 18:43:55:Lustre: DEBUG MARKER: lsof -t /mnt/lustre 18:43:55:Lustre: DEBUG MARKER: umount /mnt/lustre 2>&1 18:43:55:BUG: soft lockup - CPU#0 stuck for 67s! [umount:14036] 18:43:55:Modules linked in: lustre(U) obdecho(U) mgc(U) lov(U) osc(U) mdc(U) lmv(U) fid(U) fld(U) ptlrpc(U) obdclass(U) lvfs(U) ksocklnd(U) lnet(U) libcfs(U) ext2 sha512_generic sha256_generic nfsd exportfs autofs4 nfs lockd fscache auth_rpcgss nfs_acl sunrpc ib_ipoib rdma_ucm ib_ucm ib_uverbs ib_umad rdma_cm ib_cm iw_cm ib_addr ipv6 ib_sa ib_mad ib_core microcode virtio_balloon 8139too 8139cp mii i2c_piix4 i2c_core ext3 jbd 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: libcfs] 18:43:55:CPU 0 18:43:55:Modules linked in: lustre(U) obdecho(U) mgc(U) lov(U) osc(U) mdc(U) lmv(U) fid(U) fld(U) ptlrpc(U) obdclass(U) lvfs(U) ksocklnd(U) lnet(U) libcfs(U) ext2 sha512_generic sha256_generic nfsd exportfs autofs4 nfs lockd fscache auth_rpcgss nfs_acl sunrpc ib_ipoib rdma_ucm ib_ucm ib_uverbs ib_umad rdma_cm ib_cm iw_cm ib_addr ipv6 ib_sa ib_mad ib_core microcode virtio_balloon 8139too 8139cp mii i2c_piix4 i2c_core ext3 jbd 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: libcfs] 18:43:55: 18:43:55:Pid: 14036, comm: umount Not tainted 2.6.32-358.11.1.el6.x86_64 #1 Red Hat KVM 18:43:55:RIP: 0010:[] [] lu_site_purge+0x120/0x4a0 [obdclass] 18:43:55:RSP: 0018:ffff88003c8afc08 EFLAGS: 00010286 18:43:55:RAX: 0000000000008000 RBX: ffff88003c8afca8 RCX: ffffc9000181f018 18:43:55:RDX: 0000000000000030 RSI: 0000000000000030 RDI: ffff88007c3c8f00 18:43:55:RBP: ffffffff8100bb8e R08: 00000000ffffff0a R09: 0000000000000000 18:43:55:R10: 000000000000000f R11: 000000000000000f R12: 0000000000000000 18:43:55:R13: ffff880079c1b0c0 R14: ffff88003c8afc68 R15: ffff88007c3c8f00 18:43:55:FS: 00007f0107aa8740(0000) GS:ffff880002200000(0000) knlGS:0000000000000000 18:43:55:CS: 0010 DS: 0000 ES: 0000 CR0: 000000008005003b 18:43:55:CR2: ffffc9000181f020 CR3: 0000000065b0f000 CR4: 00000000000006f0 18:43:55:DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 18:43:55:DR3: 0000000000000000 DR6: 00000000ffff0ff0 DR7: 0000000000000400 18:43:55:Process umount (pid: 14036, threadinfo ffff88003c8ae000, task ffff880067d5eae0) 18:43:55:Stack: 18:43:55: 00000000000036d4 ffff88003c8afc58 ffff88006a17fc68 000000e0ffffffff 18:43:55: 000000e000000000 ffffc90001815020 ffffc90001817000 ffff88006a17fc68 18:43:55: ffffc90001815020 ffff88006a17fc60 ffff88003c8afc58 ffff88003c8afc58 18:43:55:Call Trace: 18:43:55: [] ? libcfs_debug_msg+0x41/0x50 [libcfs] 18:43:55: [] ? lu_stack_fini+0x2d/0xc0 [obdclass] 18:43:55: [] ? cl_stack_fini+0xe/0x10 [obdclass] 18:43:55: [] ? cl_sb_fini+0x6d/0x190 [lustre] 18:43:55: [] ? client_common_put_super+0x54/0xaa0 [lustre] 18:43:55: [] ? ll_put_super+0xd9/0x370 [lustre] 18:43:55: [] ? dispose_list+0xfc/0x120 18:43:55: [] ? invalidate_inodes+0xf6/0x190 18:45:17: [] ? generic_shutdown_super+0x5b/0xe0 18:45:17: [] ? kill_anon_super+0x16/0x60 18:45:17: [] ? lustre_kill_super+0x4a/0x60 [obdclass] 18:45:17: [] ? deactivate_super+0x57/0x80 18:45:17: [] ? mntput_no_expire+0xbf/0x110 18:45:17: [] ? sys_umount+0x7b/0x3a0 18:45:17: [] ? system_call_fastpath+0x16/0x1b 18:45:17:Code: 4d 8b 7d 00 49 8b 47 18 4c 89 ff ff 50 08 41 0f b7 57 2e 41 0f b6 4f 36 0f b7 f2 d3 e0 8d 4c 06 18 48 63 c9 48 29 d1 48 03 4d 90 <48> 8b 51 08 48 83 c1 08 4c 8d 7a c8 48 39 ca 49 8b 47 38 48 89 18:45:17:Call Trace: 18:45:17: [] ? lu_site_purge+0x103/0x4a0 [obdclass] 18:45:17: [] ? libcfs_debug_msg+0x41/0x50 [libcfs] 18:45:17: [] ? lu_stack_fini+0x2d/0xc0 [obdclass] 18:45:17: [] ? cl_stack_fini+0xe/0x10 [obdclass] 18:45:17: [] ? cl_sb_fini+0x6d/0x190 [lustre] 18:45:17: [] ? client_common_put_super+0x54/0xaa0 [lustre] 18:45:17: [] ? ll_put_super+0xd9/0x370 [lustre] 18:45:17: [] ? dispose_list+0xfc/0x120 18:45:17: [] ? invalidate_inodes+0xf6/0x190 18:45:17: [] ? generic_shutdown_super+0x5b/0xe0 18:45:17: [] ? kill_anon_super+0x16/0x60 18:45:17: [] ? lustre_kill_super+0x4a/0x60 [obdclass] 18:45:18: [] ? deactivate_super+0x57/0x80 18:45:18: [] ? mntput_no_expire+0xbf/0x110 18:45:18: [] ? sys_umount+0x7b/0x3a0 18:45:18: [] ? system_call_fastpath+0x16/0x1b 18:45:18:BUG: soft lockup - CPU#0 stuck for 67s! [umount:14036] 18:45:18:Modules linked in: lustre(U) obdecho(U) mgc(U) lov(U) osc(U) mdc(U) lmv(U) fid(U) fld(U) ptlrpc(U) obdclass(U) lvfs(U) ksocklnd(U) lnet(U) libcfs(U) ext2 sha512_generic sha256_generic nfsd exportfs autofs4 nfs lockd fscache auth_rpcgss nfs_acl sunrpc ib_ipoib rdma_ucm ib_ucm ib_uverbs ib_umad rdma_cm ib_cm iw_cm ib_addr ipv6 ib_sa ib_mad ib_core microcode virtio_balloon 8139too 8139cp mii i2c_piix4 i2c_core ext3 jbd 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: libcfs] 18:45:18:CPU 0 18:45:18:Modules linked in: lustre(U) obdecho(U) mgc(U) lov(U) osc(U) mdc(U) lmv(U) fid(U) fld(U) ptlrpc(U) obdclass(U) lvfs(U) ksocklnd(U) lnet(U) libcfs(U) ext2 sha512_generic sha256_generic nfsd exportfs autofs4 nfs lockd fscache auth_rpcgss nfs_acl sunrpc ib_ipoib rdma_ucm ib_ucm ib_uverbs ib_umad rdma_cm ib_cm iw_cm ib_addr ipv6 ib_sa ib_mad ib_core microcode virtio_balloon 8139too 8139cp mii i2c_piix4 i2c_core ext3 jbd 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: libcfs] 18:45:18: 18:45:18:Pid: 14036, comm: umount Not tainted 2.6.32-358.11.1.el6.x86_64 #1 Red Hat KVM 18:45:18:RIP: 0010:[] [] lu_site_purge+0x120/0x4a0 [obdclass] 18:45:18:RSP: 0018:ffff88003c8afc08 EFLAGS: 00010286 18:45:18:RAX: 0000000000008000 RBX: ffff88003c8afca8 RCX: ffffc9000181f018 18:45:18:RDX: 0000000000000030 RSI: 0000000000000030 RDI: ffff88007c3c8f00 18:45:18:RBP: ffffffff8100bb8e R08: 00000000ffffff0a R09: 0000000000000000 18:45:18:R10: 000000000000000f R11: 000000000000000f R12: 0000000000000000 18:45:18:R13: ffff880079c1b0c0 R14: ffff88003c8afc68 R15: ffff88007c3c8f00 18:45:18:FS: 00007f0107aa8740(0000) GS:ffff880002200000(0000) knlGS:0000000000000000 18:45:18:CS: 0010 DS: 0000 ES: 0000 CR0: 000000008005003b 18:45:18:CR2: ffffc9000181f020 CR3: 0000000065b0f000 CR4: 00000000000006f0 18:45:18:DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 18:45:18:DR3: 0000000000000000 DR6: 00000000ffff0ff0 DR7: 0000000000000400 18:45:18:Process umount (pid: 14036, threadinfo ffff88003c8ae000, task ffff880067d5eae0) 18:45:18:Stack: 18:45:18: 00000000000036d4 ffff88003c8afc58 ffff88006a17fc68 000000e0ffffffff 18:45:18: 000000e000000000 ffffc90001815020 ffffc90001817000 ffff88006a17fc68 18:45:18: ffffc90001815020 ffff88006a17fc60 ffff88003c8afc58 ffff88003c8afc58 18:45:18:Call Trace: 18:45:18: [] ? libcfs_debug_msg+0x41/0x50 [libcfs] 18:45:18: [] ? lu_stack_fini+0x2d/0xc0 [obdclass] 18:45:18: [] ? cl_stack_fini+0xe/0x10 [obdclass] 18:46:40: [] ? cl_sb_fini+0x6d/0x190 [lustre] 18:46:40: [] ? client_common_put_super+0x54/0xaa0 [lustre] 18:46:41: [] ? ll_put_super+0xd9/0x370 [lustre] 18:46:41: [] ? dispose_list+0xfc/0x120 18:46:41: [] ? invalidate_inodes+0xf6/0x190 18:46:41: [] ? generic_shutdown_super+0x5b/0xe0 18:46:41: [] ? kill_anon_super+0x16/0x60 18:46:41: [] ? lustre_kill_super+0x4a/0x60 [obdclass] 18:46:41: [] ? deactivate_super+0x57/0x80 18:46:41: [] ? mntput_no_expire+0xbf/0x110 18:46:41: [] ? sys_umount+0x7b/0x3a0 18:46:41: [] ? system_call_fastpath+0x16/0x1b 18:46:41:Code: 4d 8b 7d 00 49 8b 47 18 4c 89 ff ff 50 08 41 0f b7 57 2e 41 0f b6 4f 36 0f b7 f2 d3 e0 8d 4c 06 18 48 63 c9 48 29 d1 48 03 4d 90 <48> 8b 51 08 48 83 c1 08 4c 8d 7a c8 48 39 ca 49 8b 47 38 48 89 18:46:41:Call Trace: 18:46:42: [] ? lu_site_purge+0x103/0x4a0 [obdclass] 18:46:42: [] ? libcfs_debug_msg+0x41/0x50 [libcfs] 18:46:42: [] ? lu_stack_fini+0x2d/0xc0 [obdclass] 18:46:42: [] ? cl_stack_fini+0xe/0x10 [obdclass] 18:46:42: [] ? cl_sb_fini+0x6d/0x190 [lustre] 18:46:42: [] ? client_common_put_super+0x54/0xaa0 [lustre] 18:46:42: [] ? ll_put_super+0xd9/0x370 [lustre] 18:46:42: [] ? dispose_list+0xfc/0x120 18:46:42: [] ? invalidate_inodes+0xf6/0x190 18:46:42: [] ? generic_shutdown_super+0x5b/0xe0 18:46:42: [] ? kill_anon_super+0x16/0x60 18:46:42: [] ? lustre_kill_super+0x4a/0x60 [obdclass] 18:46:42: [] ? deactivate_super+0x57/0x80 18:46:42: [] ? mntput_no_expire+0xbf/0x110 18:46:42: [] ? sys_umount+0x7b/0x3a0 18:46:42: [] ? system_call_fastpath+0x16/0x1b 18:46:42:BUG: soft lockup - CPU#0 stuck for 67s! [umount:14036] 18:46:42:Modules linked in: lustre(U) obdecho(U) mgc(U) lov(U) osc(U) mdc(U) lmv(U) fid(U) fld(U) ptlrpc(U) obdclass(U) lvfs(U) ksocklnd(U) lnet(U) libcfs(U) ext2 sha512_generic sha256_generic nfsd exportfs autofs4 nfs lockd fscache auth_rpcgss nfs_acl sunrpc ib_ipoib rdma_ucm ib_ucm ib_uverbs ib_umad rdma_cm ib_cm iw_cm ib_addr ipv6 ib_sa ib_mad ib_core microcode virtio_balloon 8139too 8139cp mii i2c_piix4 i2c_core ext3 jbd 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: libcfs] 18:46:42:CPU 0 18:46:42:Modules linked in: lustre(U) obdecho(U) mgc(U) lov(U) osc(U) mdc(U) lmv(U) fid(U) fld(U) ptlrpc(U) obdclass(U) lvfs(U) ksocklnd(U) lnet(U) libcfs(U) ext2 sha512_generic sha256_generic nfsd exportfs autofs4 nfs lockd fscache auth_rpcgss nfs_acl sunrpc ib_ipoib rdma_ucm ib_ucm ib_uverbs ib_umad rdma_cm ib_cm iw_cm ib_addr ipv6 ib_sa ib_mad ib_core microcode virtio_balloon 8139too 8139cp mii i2c_piix4 i2c_core ext3 jbd 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: libcfs] 18:46:42: 18:46:42:Pid: 14036, comm: umount Not tainted 2.6.32-358.11.1.el6.x86_64 #1 Red Hat KVM 18:46:42:RIP: 0010:[] [] lu_site_purge+0x120/0x4a0 [obdclass] 18:46:42:RSP: 0018:ffff88003c8afc08 EFLAGS: 00010286 18:46:42:RAX: 0000000000008000 RBX: ffff88003c8afca8 RCX: ffffc9000181f018 18:46:42:RDX: 0000000000000030 RSI: 0000000000000030 RDI: ffff88007c3c8f00 18:46:42:RBP: ffffffff8100bb8e R08: 00000000ffffff0a R09: 0000000000000000 18:46:42:R10: 000000000000000f R11: 000000000000000f R12: 0000000000000000 18:46:42:R13: ffff880079c1b0c0 R14: ffff88003c8afc68 R15: ffff88007c3c8f00 18:46:42:FS: 00007f0107aa8740(0000) GS:ffff880002200000(0000) knlGS:0000000000000000 18:46:42:CS: 0010 DS: 0000 ES: 0000 CR0: 000000008005003b 18:46:42:CR2: ffffc9000181f020 CR3: 0000000065b0f000 CR4: 00000000000006f0 18:46:42:DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 18:46:42:DR3: 0000000000000000 DR6: 00000000ffff0ff0 DR7: 0000000000000400 18:46:42:Process umount (pid: 14036, threadinfo ffff88003c8ae000, task ffff880067d5eae0) 18:46:42:Stack: 18:46:42: 00000000000036d4 ffff88003c8afc58 ffff88006a17fc68 000000e0ffffffff 18:46:42: 000000e000000000 ffffc90001815020 ffffc90001817000 ffff88006a17fc68 18:48:05: ffffc90001815020 ffff88006a17fc60 ffff88003c8afc58 ffff88003c8afc58 18:48:05:Call Trace: 18:48:05: [] ? libcfs_debug_msg+0x41/0x50 [libcfs] 18:48:05: [] ? lu_stack_fini+0x2d/0xc0 [obdclass] 18:48:05: [] ? cl_stack_fini+0xe/0x10 [obdclass] 18:48:05: [] ? cl_sb_fini+0x6d/0x190 [lustre] 18:48:05: [] ? client_common_put_super+0x54/0xaa0 [lustre] 18:48:05: [] ? ll_put_super+0xd9/0x370 [lustre] 18:48:05: [] ? dispose_list+0xfc/0x120 18:48:05: [] ? invalidate_inodes+0xf6/0x190 18:48:05: [] ? generic_shutdown_super+0x5b/0xe0 18:48:05: [] ? kill_anon_super+0x16/0x60 18:48:05: [] ? lustre_kill_super+0x4a/0x60 [obdclass] 18:48:05: [] ? deactivate_super+0x57/0x80 18:48:05: [] ? mntput_no_expire+0xbf/0x110 18:48:05: [] ? sys_umount+0x7b/0x3a0 18:48:05: [] ? system_call_fastpath+0x16/0x1b 18:48:05:Code: 4d 8b 7d 00 49 8b 47 18 4c 89 ff ff 50 08 41 0f b7 57 2e 41 0f b6 4f 36 0f b7 f2 d3 e0 8d 4c 06 18 48 63 c9 48 29 d1 48 03 4d 90 <48> 8b 51 08 48 83 c1 08 4c 8d 7a c8 48 39 ca 49 8b 47 38 48 89 18:48:05:Call Trace: 18:48:06: [] ? lu_site_purge+0x103/0x4a0 [obdclass] 18:48:06: [] ? libcfs_debug_msg+0x41/0x50 [libcfs] 18:48:06: [] ? lu_stack_fini+0x2d/0xc0 [obdclass] 18:48:06: [] ? cl_stack_fini+0xe/0x10 [obdclass] 18:48:06: [] ? cl_sb_fini+0x6d/0x190 [lustre] 18:48:06: [] ? client_common_put_super+0x54/0xaa0 [lustre] 18:48:06: [] ? ll_put_super+0xd9/0x370 [lustre] 18:48:06: [] ? dispose_list+0xfc/0x120 18:48:06: [] ? invalidate_inodes+0xf6/0x190 18:48:06: [] ? generic_shutdown_super+0x5b/0xe0 18:48:06: [] ? kill_anon_super+0x16/0x60 18:48:06: [] ? lustre_kill_super+0x4a/0x60 [obdclass] 18:48:06: [] ? deactivate_super+0x57/0x80 18:48:06: [] ? mntput_no_expire+0xbf/0x110 18:48:06: [] ? sys_umount+0x7b/0x3a0 18:48:06: [] ? system_call_fastpath+0x16/0x1b 18:48:06:BUG: soft lockup - CPU#0 stuck for 67s! [umount:14036] 18:48:06:Modules linked in: lustre(U) obdecho(U) mgc(U) lov(U) osc(U) mdc(U) lmv(U) fid(U) fld(U) ptlrpc(U) obdclass(U) lvfs(U) ksocklnd(U) lnet(U) libcfs(U) ext2 sha512_generic sha256_generic nfsd exportfs autofs4 nfs lockd fscache auth_rpcgss nfs_acl sunrpc ib_ipoib rdma_ucm ib_ucm ib_uverbs ib_umad rdma_cm ib_cm iw_cm ib_addr ipv6 ib_sa ib_mad ib_core microcode virtio_balloon 8139too 8139cp mii i2c_piix4 i2c_core ext3 jbd 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: libcfs] 18:48:06:CPU 0 18:48:06:Modules linked in: lustre(U) obdecho(U) mgc(U) lov(U) osc(U) mdc(U) lmv(U) fid(U) fld(U) ptlrpc(U) obdclass(U) lvfs(U) ksocklnd(U) lnet(U) libcfs(U) ext2 sha512_generic sha256_generic nfsd exportfs autofs4 nfs lockd fscache auth_rpcgss nfs_acl sunrpc ib_ipoib rdma_ucm ib_ucm ib_uverbs ib_umad rdma_cm ib_cm iw_cm ib_addr ipv6 ib_sa ib_mad ib_core microcode virtio_balloon 8139too 8139cp mii i2c_piix4 i2c_core ext3 jbd 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: libcfs] 18:48:06: 18:48:06:Pid: 14036, comm: umount Not tainted 2.6.32-358.11.1.el6.x86_64 #1 Red Hat KVM 18:48:06:RIP: 0010:[] [] __do_softirq+0x73/0x1e0 18:48:06:RSP: 0018:ffff880002203ed0 EFLAGS: 00000206 18:48:07:RAX: 0000000000011400 RBX: ffff880002203f30 RCX: 000000000000001b 18:48:07:RDX: ffff88003c8affd8 RSI: 0000000000000000 RDI: 00000000000000b0 18:48:07:RBP: ffffffff8100bb93 R08: ffff880002213e88 R09: ffff88003c8afc08 18:48:07:R10: 000000000000000f R11: 0000000000000000 R12: ffff880002203e50 18:48:07:R13: ffff88003c8affd8 R14: 0000000000000008 R15: ffffffff815172ab 18:48:07:FS: 00007f0107aa8740(0000) GS:ffff880002200000(0000) knlGS:0000000000000000 18:48:07:CS: 0010 DS: 0000 ES: 0000 CR0: 000000008005003b 18:48:07:CR2: ffffc9000181f020 CR3: 0000000065b0f000 CR4: 00000000000006f0 18:48:07:DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 18:48:07:DR3: 0000000000000000 DR6: 00000000ffff0ff0 DR7: 0000000000000400 18:49:30:Process umount (pid: 14036, threadinfo ffff88003c8ae000, task ffff880067d5eae0) 18:49:31:Stack: 18:49:31: ffff88007c3c8f00 ffff880002203f28 000000000000000a ffff88003c8affd8 18:49:31: ffff88003c8affd8 0000000000011400 ffffffff81a83a80 0000000000000046 18:49:31: ffff88003c8affd8 000000000000000b ffff88003c8afb58 ffff88007c3c8f00 18:49:31:Call Trace: 18:49:31: 18:49:31: [] ? call_softirq+0x1c/0x30 18:49:33: [] ? do_softirq+0x65/0xa0 18:49:33: [] ? irq_exit+0x85/0x90 18:49:33: [] ? do_IRQ+0x75/0xf0 18:49:33: [] ? ret_from_intr+0x0/0x11 18:49:33: 18:49:33: [] ? lu_site_purge+0x120/0x4a0 [obdclass] 18:49:33: [] ? lu_site_purge+0x103/0x4a0 [obdclass] 18:49:35: [] ? libcfs_debug_msg+0x41/0x50 [libcfs] 18:49:35: [] ? lu_stack_fini+0x2d/0xc0 [obdclass] 18:49:35: [] ? cl_stack_fini+0xe/0x10 [obdclass] 18:49:35: [] ? cl_sb_fini+0x6d/0x190 [lustre] 18:49:35: [] ? client_common_put_super+0x54/0xaa0 [lustre] 18:49:35: [] ? ll_put_super+0xd9/0x370 [lustre] 18:49:35: [] ? dispose_list+0xfc/0x120 18:49:35: [] ? invalidate_inodes+0xf6/0x190 18:49:35: [] ? generic_shutdown_super+0x5b/0xe0 18:49:35: [] ? kill_anon_super+0x16/0x60 18:49:36: [] ? lustre_kill_super+0x4a/0x60 [obdclass] 18:49:36: [] ? deactivate_super+0x57/0x80 18:49:37: [] ? mntput_no_expire+0xbf/0x110 18:49:37: [] ? sys_umount+0x7b/0x3a0 18:49:37: [] ? system_call_fastpath+0x16/0x1b 18:49:37:Code: 8b 55 c0 c7 45 b0 0a 00 00 00 48 89 45 c8 48 89 55 b8 66 0f 1f 44 00 00 65 c7 04 25 40 65 01 00 00 00 00 00 fb 66 0f 1f 44 00 00 <45> 31 ed 49 c7 c4 80 30 a8 81 eb 05 90 49 83 c4 08 f6 c3 01 74 18:49:38:Call Trace: 18:49:38: [] ? call_softirq+0x1c/0x30 18:49:38: [] ? do_softirq+0x65/0xa0 18:49:38: [] ? irq_exit+0x85/0x90 18:49:39: [] ? do_IRQ+0x75/0xf0 18:49:39: [] ? ret_from_intr+0x0/0x11 18:49:39: [] ? lu_site_purge+0x120/0x4a0 [obdclass] 18:49:39: [] ? lu_site_purge+0x103/0x4a0 [obdclass] 18:49:39: [] ? libcfs_debug_msg+0x41/0x50 [libcfs] 18:49:39: [] ? lu_stack_fini+0x2d/0xc0 [obdclass] 18:49:40: [] ? cl_stack_fini+0xe/0x10 [obdclass] 18:49:40: [] ? cl_sb_fini+0x6d/0x190 [lustre] 18:49:40: [] ? client_common_put_super+0x54/0xaa0 [lustre] 18:49:40: [] ? ll_put_super+0xd9/0x370 [lustre] 18:49:40: [] ? dispose_list+0xfc/0x120 18:49:40: [] ? invalidate_inodes+0xf6/0x190 18:49:40: [] ? generic_shutdown_super+0x5b/0xe0 18:49:40: [] ? kill_anon_super+0x16/0x60 18:49:40: [] ? lustre_kill_super+0x4a/0x60 [obdclass] 18:49:40: [] ? deactivate_super+0x57/0x80 18:49:40: [] ? mntput_no_expire+0xbf/0x110 18:49:40: [] ? sys_umount+0x7b/0x3a0 18:49:40: [] ? system_call_fastpath+0x16/0x1b 18:49:40:BUG: soft lockup - CPU#0 stuck for 67s! [umount:14036] 18:49:40:Modules linked in: lustre(U) obdecho(U) mgc(U) lov(U) osc(U) mdc(U) lmv(U) fid(U) fld(U) ptlrpc(U) obdclass(U) lvfs(U) ksocklnd(U) lnet(U) libcfs(U) ext2 sha512_generic sha256_generic nfsd exportfs autofs4 nfs lockd fscache auth_rpcgss nfs_acl sunrpc ib_ipoib rdma_ucm ib_ucm ib_uverbs ib_umad rdma_cm ib_cm iw_cm ib_addr ipv6 ib_sa ib_mad ib_core microcode virtio_balloon 8139too 8139cp mii i2c_piix4 i2c_core ext3 jbd 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: libcfs] 18:49:40:CPU 0 18:50:53:Modules linked in: lustre(U) obdecho(U) mgc(U) lov(U) osc(U) mdc(U) lmv(U) fid(U) fld(U) ptlrpc(U) obdclass(U) lvfs(U) ksocklnd(U) lnet(U) libcfs(U) ext2 sha512_generic sha256_generic nfsd exportfs autofs4 nfs lockd fscache auth_rpcgss nfs_acl sunrpc ib_ipoib rdma_ucm ib_ucm ib_uverbs ib_umad rdma_cm ib_cm iw_cm ib_addr ipv6 ib_sa ib_mad ib_core microcode virtio_balloon 8139too 8139cp mii i2c_piix4 i2c_core ext3 jbd 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: libcfs] 18:50:53: 18:50:53:Pid: 14036, comm: umount Not tainted 2.6.32-358.11.1.el6.x86_64 #1 Red Hat KVM 18:50:53:RIP: 0010:[] [] lu_site_purge+0x120/0x4a0 [obdclass] 18:50:53:RSP: 0018:ffff88003c8afc08 EFLAGS: 00010286 18:50:53:RAX: 0000000000008000 RBX: ffff88003c8afca8 RCX: ffffc9000181f018 18:50:53:RDX: 0000000000000030 RSI: 0000000000000030 RDI: ffff88007c3c8f00 18:50:53:RBP: ffffffff8100bb8e R08: 00000000ffffff0a R09: 0000000000000000 18:50:53:R10: 000000000000000f R11: 000000000000000f R12: 0000000000000000 18:50:53:R13: ffff880079c1b0c0 R14: ffff88003c8afc68 R15: ffff88007c3c8f00 18:50:53:FS: 00007f0107aa8740(0000) GS:ffff880002200000(0000) knlGS:0000000000000000 18:50:53:CS: 0010 DS: 0000 ES: 0000 CR0: 000000008005003b 18:50:53:CR2: ffffc9000181f020 CR3: 0000000065b0f000 CR4: 00000000000006f0 18:50:53:DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 18:50:53:DR3: 0000000000000000 DR6: 00000000ffff0ff0 DR7: 0000000000000400 18:50:53:Process umount (pid: 14036, threadinfo ffff88003c8ae000, task ffff880067d5eae0) 18:50:53:Stack: 18:50:53: 00000000000036d4 ffff88003c8afc58 ffff88006a17fc68 000000e0ffffffff 18:50:53: 000000e000000000 ffffc90001815020 ffffc90001817000 ffff88006a17fc68 18:50:53: ffffc90001815020 ffff88006a17fc60 ffff88003c8afc58 ffff88003c8afc58 18:50:53:Call Trace: 18:50:53: [] ? libcfs_debug_msg+0x41/0x50 [libcfs] 18:50:53: [] ? lu_stack_fini+0x2d/0xc0 [obdclass] 18:50:53: [] ? cl_stack_fini+0xe/0x10 [obdclass] 18:50:53: [] ? cl_sb_fini+0x6d/0x190 [lustre] 18:50:53: [] ? client_common_put_super+0x54/0xaa0 [lustre] 18:50:53: [] ? ll_put_super+0xd9/0x370 [lustre] 18:50:53: [] ? dispose_list+0xfc/0x120 18:50:53: [] ? invalidate_inodes+0xf6/0x190 18:50:53: [] ? generic_shutdown_super+0x5b/0xe0 18:50:53: [] ? kill_anon_super+0x16/0x60 18:50:53: [] ? lustre_kill_super+0x4a/0x60 [obdclass] 18:50:53: [] ? deactivate_super+0x57/0x80 18:50:53: [] ? mntput_no_expire+0xbf/0x110 18:50:53: [] ? sys_umount+0x7b/0x3a0 18:50:53: [] ? system_call_fastpath+0x16/0x1b 18:50:53:Code: 4d 8b 7d 00 49 8b 47 18 4c 89 ff ff 50 08 41 0f b7 57 2e 41 0f b6 4f 36 0f b7 f2 d3 e0 8d 4c 06 18 48 63 c9 48 29 d1 48 03 4d 90 <48> 8b 51 08 48 83 c1 08 4c 8d 7a c8 48 39 ca 49 8b 47 38 48 89 18:50:53:Call Trace: 18:50:53: [] ? lu_site_purge+0x103/0x4a0 [obdclass] 18:50:53: [] ? libcfs_debug_msg+0x41/0x50 [libcfs] 18:50:53: [] ? lu_stack_fini+0x2d/0xc0 [obdclass] 18:50:53: [] ? cl_stack_fini+0xe/0x10 [obdclass] 18:50:53: [] ? cl_sb_fini+0x6d/0x190 [lustre] 18:50:53: [] ? client_common_put_super+0x54/0xaa0 [lustre] 18:50:53: [] ? ll_put_super+0xd9/0x370 [lustre] 18:50:53: [] ? dispose_list+0xfc/0x120 18:50:53: [] ? invalidate_inodes+0xf6/0x190 18:50:53: [] ? generic_shutdown_super+0x5b/0xe0 18:50:53: [] ? kill_anon_super+0x16/0x60 18:50:53: [] ? lustre_kill_super+0x4a/0x60 [obdclass] 18:50:53: [] ? deactivate_super+0x57/0x80 18:50:53: [] ? mntput_no_expire+0xbf/0x110 18:50:53: [] ? sys_umount+0x7b/0x3a0 18:50:53: [] ? system_call_fastpath+0x16/0x1b 18:50:53:BUG: soft lockup - CPU#0 stuck for 68s! [umount:14036] 18:50:53:Modules linked in: lustre(U) obdecho(U) mgc(U) lov(U) osc(U) mdc(U) lmv(U) fid(U) fld(U) ptlrpc(U) obdclass(U) lvfs(U) ksocklnd(U) lnet(U) libcfs(U) ext2 sha512_generic sha256_generic nfsd exportfs autofs4 nfs lockd fscache auth_rpcgss nfs_acl sunrpc ib_ipoib rdma_ucm ib_ucm ib_uverbs ib_umad rdma_cm ib_cm iw_cm ib_addr ipv6 ib_sa ib_mad ib_core microcode virtio_balloon 8139too 8139cp mii i2c_piix4 i2c_core ext3 jbd 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: libcfs] 18:50:53:CPU 0 18:52:17:Modules linked in: lustre(U) obdecho(U) mgc(U) lov(U) osc(U) mdc(U) lmv(U) fid(U) fld(U) ptlrpc(U) obdclass(U) lvfs(U) ksocklnd(U) lnet(U) libcfs(U) ext2 sha512_generic sha256_generic nfsd exportfs autofs4 nfs lockd fscache auth_rpcgss nfs_acl sunrpc ib_ipoib rdma_ucm ib_ucm ib_uverbs ib_umad rdma_cm ib_cm iw_cm ib_addr ipv6 ib_sa ib_mad ib_core microcode virtio_balloon 8139too 8139cp mii i2c_piix4 i2c_core ext3 jbd 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: libcfs] 18:52:17: 18:52:17:Pid: 14036, comm: umount Not tainted 2.6.32-358.11.1.el6.x86_64 #1 Red Hat KVM 18:52:17:RIP: 0010:[] [] lu_site_purge+0x120/0x4a0 [obdclass] 18:52:17:RSP: 0018:ffff88003c8afc08 EFLAGS: 00010286 18:52:17:RAX: 0000000000008000 RBX: ffff88003c8afca8 RCX: ffffc9000181f018 18:52:17:RDX: 0000000000000030 RSI: 0000000000000030 RDI: ffff88007c3c8f00 18:52:17:RBP: ffffffff8100bb8e R08: 00000000ffffff0a R09: 0000000000000000 18:52:17:R10: 000000000000000f R11: 000000000000000f R12: 0000000000000000 18:52:17:R13: ffff880079c1b0c0 R14: ffff88003c8afc68 R15: ffff88007c3c8f00 18:52:17:FS: 00007f0107aa8740(0000) GS:ffff880002200000(0000) knlGS:0000000000000000 18:52:17:CS: 0010 DS: 0000 ES: 0000 CR0: 000000008005003b 18:52:17:CR2: ffffc9000181f020 CR3: 0000000065b0f000 CR4: 00000000000006f0 18:52:17:DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 18:52:17:DR3: 0000000000000000 DR6: 00000000ffff0ff0 DR7: 0000000000000400 18:52:17:Process umount (pid: 14036, threadinfo ffff88003c8ae000, task ffff880067d5eae0) 18:52:17:Stack: 18:52:17: 00000000000036d4 ffff88003c8afc58 ffff88006a17fc68 000000e0ffffffff 18:52:17: 000000e000000000 ffffc90001815020 ffffc90001817000 ffff88006a17fc68 18:52:17: ffffc90001815020 ffff88006a17fc60 ffff88003c8afc58 ffff88003c8afc58 18:52:17:Call Trace: 18:52:17: [] ? libcfs_debug_msg+0x41/0x50 [libcfs] 18:52:17: [] ? lu_stack_fini+0x2d/0xc0 [obdclass] 18:52:17: [] ? cl_stack_fini+0xe/0x10 [obdclass] 18:52:17: [] ? cl_sb_fini+0x6d/0x190 [lustre] 18:52:17: [] ? client_common_put_super+0x54/0xaa0 [lustre] 18:52:17: [] ? ll_put_super+0xd9/0x370 [lustre] 18:52:17: [] ? dispose_list+0xfc/0x120 18:52:17: [] ? invalidate_inodes+0xf6/0x190 18:52:17: [] ? generic_shutdown_super+0x5b/0xe0 18:52:17: [] ? kill_anon_super+0x16/0x60 18:52:17: [] ? lustre_kill_super+0x4a/0x60 [obdclass] 18:52:17: [] ? deactivate_super+0x57/0x80 18:52:17: [] ? mntput_no_expire+0xbf/0x110 18:52:17: [] ? sys_umount+0x7b/0x3a0 18:52:17: [] ? system_call_fastpath+0x16/0x1b 18:52:17:Code: 4d 8b 7d 00 49 8b 47 18 4c 89 ff ff 50 08 41 0f b7 57 2e 41 0f b6 4f 36 0f b7 f2 d3 e0 8d 4c 06 18 48 63 c9 48 29 d1 48 03 4d 90 <48> 8b 51 08 48 83 c1 08 4c 8d 7a c8 48 39 ca 49 8b 47 38 48 89 18:52:17:Call Trace: 18:52:17: [] ? lu_site_purge+0x103/0x4a0 [obdclass] 18:52:17: [] ? libcfs_debug_msg+0x41/0x50 [libcfs] 18:52:17: [] ? lu_stack_fini+0x2d/0xc0 [obdclass] 18:52:17: [] ? cl_stack_fini+0xe/0x10 [obdclass] 18:52:17: [] ? cl_sb_fini+0x6d/0x190 [lustre] 18:52:17: [] ? client_common_put_super+0x54/0xaa0 [lustre] 18:52:17: [] ? ll_put_super+0xd9/0x370 [lustre] 18:52:17: [] ? dispose_list+0xfc/0x120 18:52:17: [] ? invalidate_inodes+0xf6/0x190 18:52:17: [] ? generic_shutdown_super+0x5b/0xe0 18:52:17: [] ? kill_anon_super+0x16/0x60 18:52:17: [] ? lustre_kill_super+0x4a/0x60 [obdclass] 18:52:17: [] ? deactivate_super+0x57/0x80 18:52:17: [] ? mntput_no_expire+0xbf/0x110 18:52:17: [] ? sys_umount+0x7b/0x3a0 18:52:17: [] ? system_call_fastpath+0x16/0x1b 18:52:17:BUG: soft lockup - CPU#0 stuck for 67s! [umount:14036] 18:53:39:Modules linked in: lustre(U) obdecho(U) mgc(U) lov(U) osc(U) mdc(U) lmv(U) fid(U) fld(U) ptlrpc(U) obdclass(U) lvfs(U) ksocklnd(U) lnet(U) libcfs(U) ext2 sha512_generic sha256_generic nfsd exportfs autofs4 nfs lockd fscache auth_rpcgss nfs_acl sunrpc ib_ipoib rdma_ucm ib_ucm ib_uverbs ib_umad rdma_cm ib_cm iw_cm ib_addr ipv6 ib_sa ib_mad ib_core microcode virtio_balloon 8139too 8139cp mii i2c_piix4 i2c_core ext3 jbd 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: libcfs] 18:53:39:CPU 0 18:53:39:Modules linked in: lustre(U) obdecho(U) mgc(U) lov(U) osc(U) mdc(U) lmv(U) fid(U) fld(U) ptlrpc(U) obdclass(U) lvfs(U) ksocklnd(U) lnet(U) libcfs(U) ext2 sha512_generic sha256_generic nfsd exportfs autofs4 nfs lockd fscache auth_rpcgss nfs_acl sunrpc ib_ipoib rdma_ucm ib_ucm ib_uverbs ib_umad rdma_cm ib_cm iw_cm ib_addr ipv6 ib_sa ib_mad ib_core microcode virtio_balloon 8139too 8139cp mii i2c_piix4 i2c_core ext3 jbd 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: libcfs] 18:53:39: 18:53:39:Pid: 14036, comm: umount Not tainted 2.6.32-358.11.1.el6.x86_64 #1 Red Hat KVM 18:53:39:RIP: 0010:[] [] lu_site_purge+0x120/0x4a0 [obdclass] 18:53:40:RSP: 0018:ffff88003c8afc08 EFLAGS: 00010286 18:53:40:RAX: 0000000000008000 RBX: ffff88003c8afca8 RCX: ffffc9000181f018 18:53:41:RDX: 0000000000000030 RSI: 0000000000000030 RDI: ffff88007c3c8f00 18:53:41:RBP: ffffffff8100bb8e R08: 00000000ffffff0a R09: 0000000000000000 18:53:41:R10: 000000000000000f R11: 000000000000000f R12: 0000000000000000 18:53:41:R13: ffff880079c1b0c0 R14: ffff88003c8afc68 R15: ffff88007c3c8f00 18:53:41:FS: 00007f0107aa8740(0000) GS:ffff880002200000(0000) knlGS:0000000000000000 18:53:41:CS: 0010 DS: 0000 ES: 0000 CR0: 000000008005003b 18:53:41:CR2: ffffc9000181f020 CR3: 0000000065b0f000 CR4: 00000000000006f0 18:53:41:DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 18:53:41:DR3: 0000000000000000 DR6: 00000000ffff0ff0 DR7: 0000000000000400 18:53:42:Process umount (pid: 14036, threadinfo ffff88003c8ae000, task ffff880067d5eae0) 18:53:42:Stack: 18:53:42: 00000000000036d4 ffff88003c8afc58 ffff88006a17fc68 000000e0ffffffff 18:53:42: 000000e000000000 ffffc90001815020 ffffc90001817000 ffff88006a17fc68 18:53:43: ffffc90001815020 ffff88006a17fc60 ffff88003c8afc58 ffff88003c8afc58 18:53:43:Call Trace: 18:53:43: [] ? libcfs_debug_msg+0x41/0x50 [libcfs] 18:53:43: [] ? lu_stack_fini+0x2d/0xc0 [obdclass] 18:53:43: [] ? cl_stack_fini+0xe/0x10 [obdclass] 18:53:43: [] ? cl_sb_fini+0x6d/0x190 [lustre] 18:53:45: [] ? client_common_put_super+0x54/0xaa0 [lustre] 18:53:45: [] ? ll_put_super+0xd9/0x370 [lustre] 18:53:45: [] ? dispose_list+0xfc/0x120 18:53:45: [] ? invalidate_inodes+0xf6/0x190 18:53:45: [] ? generic_shutdown_super+0x5b/0xe0 18:53:46: [] ? kill_anon_super+0x16/0x60 18:53:46: [] ? lustre_kill_super+0x4a/0x60 [obdclass] 18:53:46: [] ? deactivate_super+0x57/0x80 18:53:47: [] ? mntput_no_expire+0xbf/0x110 18:53:48: [] ? sys_umount+0x7b/0x3a0 18:53:48: [] ? system_call_fastpath+0x16/0x1b 18:53:48:Code: 4d 8b 7d 00 49 8b 47 18 4c 89 ff ff 50 08 41 0f b7 57 2e 41 0f b6 4f 36 0f b7 f2 d3 e0 8d 4c 06 18 48 63 c9 48 29 d1 48 03 4d 90 <48> 8b 51 08 48 83 c1 08 4c 8d 7a c8 48 39 ca 49 8b 47 38 48 89 18:53:48:Call Trace: 18:53:48: [] ? lu_site_purge+0x103/0x4a0 [obdclass] 18:53:48: [] ? libcfs_debug_msg+0x41/0x50 [libcfs] 18:53:48: [] ? lu_stack_fini+0x2d/0xc0 [obdclass] 18:53:48: [] ? cl_stack_fini+0xe/0x10 [obdclass] 18:53:48: [] ? cl_sb_fini+0x6d/0x190 [lustre] 18:53:48: [] ? client_common_put_super+0x54/0xaa0 [lustre] 18:53:48: [] ? ll_put_super+0xd9/0x370 [lustre] 18:53:48: [] ? dispose_list+0xfc/0x120 18:53:48: [] ? invalidate_inodes+0xf6/0x190 18:53:48: [] ? generic_shutdown_super+0x5b/0xe0 18:53:48: [] ? kill_anon_super+0x16/0x60 18:53:48: [] ? lustre_kill_super+0x4a/0x60 [obdclass] 18:53:49: [] ? deactivate_super+0x57/0x80 18:53:50: [] ? mntput_no_expire+0xbf/0x110 18:53:50: [] ? sys_umount+0x7b/0x3a0 18:53:50: [] ? system_call_fastpath+0x16/0x1b 18:53:50:BUG: soft lockup - CPU#0 stuck for 67s! [umount:14036] 18:55:04:Modules linked in: lustre(U) obdecho(U) mgc(U) lov(U) osc(U) mdc(U) lmv(U) fid(U) fld(U) ptlrpc(U) obdclass(U) lvfs(U) ksocklnd(U) lnet(U) libcfs(U) ext2 sha512_generic sha256_generic nfsd exportfs autofs4 nfs lockd fscache auth_rpcgss nfs_acl sunrpc ib_ipoib rdma_ucm ib_ucm ib_uverbs ib_umad rdma_cm ib_cm iw_cm ib_addr ipv6 ib_sa ib_mad ib_core microcode virtio_balloon 8139too 8139cp mii i2c_piix4 i2c_core ext3 jbd 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: libcfs] 18:55:04:CPU 0 18:55:04:Modules linked in: lustre(U) obdecho(U) mgc(U) lov(U) osc(U) mdc(U) lmv(U) fid(U) fld(U) ptlrpc(U) obdclass(U) lvfs(U) ksocklnd(U) lnet(U) libcfs(U) ext2 sha512_generic sha256_generic nfsd exportfs autofs4 nfs lockd fscache auth_rpcgss nfs_acl sunrpc ib_ipoib rdma_ucm ib_ucm ib_uverbs ib_umad rdma_cm ib_cm iw_cm ib_addr ipv6 ib_sa ib_mad ib_core microcode virtio_balloon 8139too 8139cp mii i2c_piix4 i2c_core ext3 jbd 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: libcfs] 18:55:04: 18:55:04:Pid: 14036, comm: umount Not tainted 2.6.32-358.11.1.el6.x86_64 #1 Red Hat KVM 18:55:04:RIP: 0010:[] [] lu_site_purge+0x120/0x4a0 [obdclass] 18:55:04:RSP: 0018:ffff88003c8afc08 EFLAGS: 00010286 18:55:04:RAX: 0000000000008000 RBX: ffff88003c8afca8 RCX: ffffc9000181f018 18:55:04:RDX: 0000000000000030 RSI: 0000000000000030 RDI: ffff88007c3c8f00 18:55:04:RBP: ffffffff8100bb8e R08: 00000000ffffff0a R09: 0000000000000000 18:55:04:R10: 000000000000000f R11: 000000000000000f R12: 0000000000000000 18:55:04:R13: ffff880079c1b0c0 R14: ffff88003c8afc68 R15: ffff88007c3c8f00 18:55:04:FS: 00007f0107aa8740(0000) GS:ffff880002200000(0000) knlGS:0000000000000000 18:55:04:CS: 0010 DS: 0000 ES: 0000 CR0: 000000008005003b 18:55:04:CR2: ffffc9000181f020 CR3: 0000000065b0f000 CR4: 00000000000006f0 18:55:04:DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 18:55:04:DR3: 0000000000000000 DR6: 00000000ffff0ff0 DR7: 0000000000000400 18:55:04:Process umount (pid: 14036, threadinfo ffff88003c8ae000, task ffff880067d5eae0) 18:55:04:Stack: 18:55:04: 00000000000036d4 ffff88003c8afc58 ffff88006a17fc68 000000e0ffffffff 18:55:04: 000000e000000000 ffffc90001815020 ffffc90001817000 ffff88006a17fc68 18:55:04: ffffc90001815020 ffff88006a17fc60 ffff88003c8afc58 ffff88003c8afc58 18:55:04:Call Trace: 18:55:04: [] ? libcfs_debug_msg+0x41/0x50 [libcfs] 18:55:04: [] ? lu_stack_fini+0x2d/0xc0 [obdclass] 18:55:04: [] ? cl_stack_fini+0xe/0x10 [obdclass] 18:55:04: [] ? cl_sb_fini+0x6d/0x190 [lustre] 18:55:04: [] ? client_common_put_super+0x54/0xaa0 [lustre] 18:55:04: [] ? ll_put_super+0xd9/0x370 [lustre] 18:55:04: [] ? dispose_list+0xfc/0x120 18:55:04: [] ? invalidate_inodes+0xf6/0x190 18:55:04: [] ? generic_shutdown_super+0x5b/0xe0 18:55:04: [] ? kill_anon_super+0x16/0x60 18:55:04: [] ? lustre_kill_super+0x4a/0x60 [obdclass] 18:55:04: [] ? deactivate_super+0x57/0x80 18:55:04: [] ? mntput_no_expire+0xbf/0x110 18:55:04: [] ? sys_umount+0x7b/0x3a0 18:55:04: [] ? system_call_fastpath+0x16/0x1b 18:55:04:Code: 4d 8b 7d 00 49 8b 47 18 4c 89 ff ff 50 08 41 0f b7 57 2e 41 0f b6 4f 36 0f b7 f2 d3 e0 8d 4c 06 18 48 63 c9 48 29 d1 48 03 4d 90 <48> 8b 51 08 48 83 c1 08 4c 8d 7a c8 48 39 ca 49 8b 47 38 48 89 18:55:04:Call Trace: 18:55:04: [] ? lu_site_purge+0x103/0x4a0 [obdclass] 18:55:04: [] ? libcfs_debug_msg+0x41/0x50 [libcfs] 18:55:04: [] ? lu_stack_fini+0x2d/0xc0 [obdclass] 18:55:04: [] ? cl_stack_fini+0xe/0x10 [obdclass] 18:55:04: [] ? cl_sb_fini+0x6d/0x190 [lustre] 18:55:04: [] ? client_common_put_super+0x54/0xaa0 [lustre] 18:55:04: [] ? ll_put_super+0xd9/0x370 [lustre] 18:55:04: [] ? dispose_list+0xfc/0x120 18:55:04: [] ? invalidate_inodes+0xf6/0x190 18:55:04: [] ? generic_shutdown_super+0x5b/0xe0 18:55:04: [] ? kill_anon_super+0x16/0x60 18:55:04: [] ? lustre_kill_super+0x4a/0x60 [obdclass] 18:55:04: [] ? deactivate_super+0x57/0x80 18:55:04: [] ? mntput_no_expire+0xbf/0x110 18:55:04: [] ? sys_umount+0x7b/0x3a0 18:55:04: [] ? system_call_fastpath+0x16/0x1b 18:55:04:BUG: soft lockup - CPU#0 stuck for 67s! [umount:14036] 18:55:04:Modules linked in: lustre(U) obdecho(U) mgc(U) lov(U) osc(U) mdc(U) lmv(U) fid(U) fld(U) ptlrpc(U) obdclass(U) lvfs(U) ksocklnd(U) lnet(U) libcfs(U) ext2 sha512_generic sha256_generic nfsd exportfs autofs4 nfs lockd fscache auth_rpcgss nfs_acl sunrpc ib_ipoib rdma_ucm ib_ucm ib_uverbs ib_umad rdma_cm ib_cm iw_cm ib_addr ipv6 ib_sa ib_mad ib_core microcode virtio_balloon 8139too 8139cp mii i2c_piix4 i2c_core ext3 jbd 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: libcfs] 18:55:04:CPU 0 18:55:04:Modules linked in: lustre(U) obdecho(U) mgc(U) lov(U) osc(U) mdc(U) lmv(U) fid(U) fld(U) ptlrpc(U) obdclass(U) lvfs(U) ksocklnd(U) lnet(U) libcfs(U) ext2 sha512_generic sha256_generic nfsd exportfs autofs4 nfs lockd fscache auth_rpcgss nfs_acl sunrpc ib_ipoib rdma_ucm ib_ucm ib_uverbs ib_umad rdma_cm ib_cm iw_cm ib_addr ipv6 ib_sa ib_mad ib_core microcode virtio_balloon 8139too 8139cp mii i2c_piix4 i2c_core ext3 jbd 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: libcfs] 18:55:04: 18:55:04:Pid: 14036, comm: umount Not tainted 2.6.32-358.11.1.el6.x86_64 #1 Red Hat KVM 18:55:04:RIP: 0010:[] [] lu_site_purge+0x120/0x4a0 [obdclass] 18:55:04:RSP: 0018:ffff88003c8afc08 EFLAGS: 00010286 18:55:04:RAX: 0000000000008000 RBX: ffff88003c8afca8 RCX: ffffc9000181f018 18:55:04:RDX: 0000000000000030 RSI: 0000000000000030 RDI: ffff88007c3c8f00 18:55:04:RBP: ffffffff8100bb8e R08: 00000000ffffff0a R09: 0000000000000000 18:55:04:R10: 000000000000000f R11: 000000000000000f R12: 0000000000000000 18:55:04:R13: ffff880079c1b0c0 R14: ffff88003c8afc68 R15: ffff88007c3c8f00 18:55:04:FS: 00007f0107aa8740(0000) GS:ffff880002200000(0000) knlGS:0000000000000000 18:55:04:CS: 0010 DS: 0000 ES: 0000 CR0: 000000008005003b 18:55:04:CR2: ffffc9000181f020 CR3: 0000000065b0f000 CR4: 00000000000006f0 18:55:04:DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 18:55:04:DR3: 0000000000000000 DR6: 00000000ffff0ff0 DR7: 0000000000000400 18:55:04:Process umount (pid: 14036, threadinfo ffff88003c8ae000, task ffff880067d5eae0) 18:55:04:Stack: 18:55:04: 00000000000036d4 ffff88003c8afc58 ffff88006a17fc68 000000e0ffffffff 18:55:04: 000000e000000000 ffffc90001815020 ffffc90001817000 ffff88006a17fc68 18:55:04: ffffc90001815020 ffff88006a17fc60 ffff88003c8afc58 ffff88003c8afc58 18:55:04:Call Trace: 18:55:04: [] ? libcfs_debug_msg+0x41/0x50 [libcfs] 18:55:04: [] ? lu_stack_fini+0x2d/0xc0 [obdclass] 18:55:04: [] ? cl_stack_fini+0xe/0x10 [obdclass] 18:55:04: [] ? cl_sb_fini+0x6d/0x190 [lustre] 18:55:04: [] ? client_common_put_super+0x54/0xaa0 [lustre] 18:55:04: [] ? ll_put_super+0xd9/0x370 [lustre] 18:55:04: [] ? dispose_list+0xfc/0x120 18:55:04: [] ? invalidate_inodes+0xf6/0x190 18:55:04: [] ? generic_shutdown_super+0x5b/0xe0 18:55:04: [] ? kill_anon_super+0x16/0x60 18:55:04: [] ? lustre_kill_super+0x4a/0x60 [obdclass] 18:55:04: [] ? deactivate_super+0x57/0x80 18:55:04: [] ? mntput_no_expire+0xbf/0x110 18:55:04: [] ? sys_umount+0x7b/0x3a0 18:55:04: [] ? system_call_fastpath+0x16/0x1b 18:55:04:Code: 4d 8b 7d 00 49 8b 47 18 4c 89 ff ff 50 08 41 0f b7 57 2e 41 0f b6 4f 36 0f b7 f2 d3 e0 8d 4c 06 18 48 63 c9 48 29 d1 48 03 4d 90 <48> 8b 51 08 48 83 c1 08 4c 8d 7a c8 48 39 ca 49 8b 47 38 48 89 18:55:04:Call Trace: 18:55:04: [] ? lu_site_purge+0x103/0x4a0 [obdclass] 18:55:04: [] ? libcfs_debug_msg+0x41/0x50 [libcfs] 18:55:04: [] ? lu_stack_fini+0x2d/0xc0 [obdclass] 18:55:04: [] ? cl_stack_fini+0xe/0x10 [obdclass] 18:55:04: [] ? cl_sb_fini+0x6d/0x190 [lustre] 18:55:04: [] ? client_common_put_super+0x54/0xaa0 [lustre] 18:55:04: [] ? ll_put_super+0xd9/0x370 [lustre] 18:55:04: [] ? dispose_list+0xfc/0x120 18:55:04: [] ? invalidate_inodes+0xf6/0x190 18:55:04: [] ? generic_shutdown_super+0x5b/0xe0 18:55:04: [] ? kill_anon_super+0x16/0x60 18:55:04: [] ? lustre_kill_super+0x4a/0x60 [obdclass] 18:56:28: [] ? deactivate_super+0x57/0x80 18:56:28: [] ? mntput_no_expire+0xbf/0x110 18:56:28: [] ? sys_umount+0x7b/0x3a0 18:56:28: [] ? system_call_fastpath+0x16/0x1b 18:56:28:BUG: soft lockup - CPU#0 stuck for 67s! [umount:14036] 18:56:28:Modules linked in: lustre(U) obdecho(U) mgc(U) lov(U) osc(U) mdc(U) lmv(U) fid(U) fld(U) ptlrpc(U) obdclass(U) lvfs(U) ksocklnd(U) lnet(U) libcfs(U) ext2 sha512_generic sha256_generic nfsd exportfs autofs4 nfs lockd fscache auth_rpcgss nfs_acl sunrpc ib_ipoib rdma_ucm ib_ucm ib_uverbs ib_umad rdma_cm ib_cm iw_cm ib_addr ipv6 ib_sa ib_mad ib_core microcode virtio_balloon 8139too 8139cp mii i2c_piix4 i2c_core ext3 jbd 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: libcfs] 18:56:28:CPU 0 18:56:28:Modules linked in: lustre(U) obdecho(U) mgc(U) lov(U) osc(U) mdc(U) lmv(U) fid(U) fld(U) ptlrpc(U) obdclass(U) lvfs(U) ksocklnd(U) lnet(U) libcfs(U) ext2 sha512_generic sha256_generic nfsd exportfs autofs4 nfs lockd fscache auth_rpcgss nfs_acl sunrpc ib_ipoib rdma_ucm ib_ucm ib_uverbs ib_umad rdma_cm ib_cm iw_cm ib_addr ipv6 ib_sa ib_mad ib_core microcode virtio_balloon 8139too 8139cp mii i2c_piix4 i2c_core ext3 jbd 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: libcfs] 18:56:28: 18:56:28:Pid: 14036, comm: umount Not tainted 2.6.32-358.11.1.el6.x86_64 #1 Red Hat KVM 18:56:28:RIP: 0010:[] [] lu_site_purge+0x120/0x4a0 [obdclass] 18:56:28:RSP: 0018:ffff88003c8afc08 EFLAGS: 00010286 18:56:28:RAX: 0000000000008000 RBX: ffff88003c8afca8 RCX: ffffc9000181f018 18:56:28:RDX: 0000000000000030 RSI: 0000000000000030 RDI: ffff88007c3c8f00 18:56:29:RBP: ffffffff8100bb8e R08: 00000000ffffff0a R09: 0000000000000000 18:56:29:R10: 000000000000000f R11: 000000000000000f R12: 0000000000000000 18:56:29:R13: ffff880079c1b0c0 R14: ffff88003c8afc68 R15: ffff88007c3c8f00 18:56:29:FS: 00007f0107aa8740(0000) GS:ffff880002200000(0000) knlGS:0000000000000000 18:56:29:CS: 0010 DS: 0000 ES: 0000 CR0: 000000008005003b 18:56:29:CR2: ffffc9000181f020 CR3: 0000000065b0f000 CR4: 00000000000006f0 18:56:29:DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 18:56:29:DR3: 0000000000000000 DR6: 00000000ffff0ff0 DR7: 0000000000000400 18:56:29:Process umount (pid: 14036, threadinfo ffff88003c8ae000, task ffff880067d5eae0) 18:56:29:Stack: 18:56:29: 00000000000036d4 ffff88003c8afc58 ffff88006a17fc68 000000e0ffffffff 18:56:29: 000000e000000000 ffffc90001815020 ffffc90001817000 ffff88006a17fc68 18:56:29: ffffc90001815020 ffff88006a17fc60 ffff88003c8afc58 ffff88003c8afc58 18:56:29:Call Trace: 18:56:29: [] ? libcfs_debug_msg+0x41/0x50 [libcfs] 18:56:29: [] ? lu_stack_fini+0x2d/0xc0 [obdclass] 18:56:29: [] ? cl_stack_fini+0xe/0x10 [obdclass] 18:56:29: [] ? cl_sb_fini+0x6d/0x190 [lustre] 18:56:29: [] ? client_common_put_super+0x54/0xaa0 [lustre] 18:56:29: [] ? ll_put_super+0xd9/0x370 [lustre] 18:56:29: [] ? dispose_list+0xfc/0x120 18:56:29: [] ? invalidate_inodes+0xf6/0x190 18:56:29: [] ? generic_shutdown_super+0x5b/0xe0 18:56:29: [] ? kill_anon_super+0x16/0x60 18:56:29: [] ? lustre_kill_super+0x4a/0x60 [obdclass] 18:56:29: [] ? deactivate_super+0x57/0x80 18:56:29: [] ? mntput_no_expire+0xbf/0x110 18:56:29: [] ? sys_umount+0x7b/0x3a0 18:56:29: [] ? system_call_fastpath+0x16/0x1b 18:56:29:Code: 4d 8b 7d 00 49 8b 47 18 4c 89 ff ff 50 08 41 0f b7 57 2e 41 0f b6 4f 36 0f b7 f2 d3 e0 8d 4c 06 18 48 63 c9 48 29 d1 48 03 4d 90 <48> 8b 51 08 48 83 c1 08 4c 8d 7a c8 48 39 ca 49 8b 47 38 48 89 18:56:29:Call Trace: 18:56:29: [] ? lu_site_purge+0x103/0x4a0 [obdclass] 18:56:29: [] ? libcfs_debug_msg+0x41/0x50 [libcfs] 18:56:29: [] ? lu_stack_fini+0x2d/0xc0 [obdclass] 18:56:29: [] ? cl_stack_fini+0xe/0x10 [obdclass] 18:56:29: [] ? cl_sb_fini+0x6d/0x190 [lustre] 18:56:29: [] ? client_common_put_super+0x54/0xaa0 [lustre] 18:56:29: [] ? ll_put_super+0xd9/0x370 [lustre] 18:57:51: [] ? dispose_list+0xfc/0x120 18:57:51: [] ? invalidate_inodes+0xf6/0x190 18:57:51: [] ? generic_shutdown_super+0x5b/0xe0 18:57:51: [] ? kill_anon_super+0x16/0x60 18:57:51: [] ? lustre_kill_super+0x4a/0x60 [obdclass] 18:57:51: [] ? deactivate_super+0x57/0x80 18:57:52: [] ? mntput_no_expire+0xbf/0x110 18:57:52: [] ? sys_umount+0x7b/0x3a0 18:57:52: [] ? system_call_fastpath+0x16/0x1b 18:57:52:BUG: soft lockup - CPU#0 stuck for 67s! [umount:14036] 18:57:53:Modules linked in: lustre(U) obdecho(U) mgc(U) lov(U) osc(U) mdc(U) lmv(U) fid(U) fld(U) ptlrpc(U) obdclass(U) lvfs(U) ksocklnd(U) lnet(U) libcfs(U) ext2 sha512_generic sha256_generic nfsd exportfs autofs4 nfs lockd fscache auth_rpcgss nfs_acl sunrpc ib_ipoib rdma_ucm ib_ucm ib_uverbs ib_umad rdma_cm ib_cm iw_cm ib_addr ipv6 ib_sa ib_mad ib_core microcode virtio_balloon 8139too 8139cp mii i2c_piix4 i2c_core ext3 jbd 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: libcfs] 18:57:53:CPU 0 18:57:53:Modules linked in: lustre(U) obdecho(U) mgc(U) lov(U) osc(U) mdc(U) lmv(U) fid(U) fld(U) ptlrpc(U) obdclass(U) lvfs(U) ksocklnd(U) lnet(U) libcfs(U) ext2 sha512_generic sha256_generic nfsd exportfs autofs4 nfs lockd fscache auth_rpcgss nfs_acl sunrpc ib_ipoib rdma_ucm ib_ucm ib_uverbs ib_umad rdma_cm ib_cm iw_cm ib_addr ipv6 ib_sa ib_mad ib_core microcode virtio_balloon 8139too 8139cp mii i2c_piix4 i2c_core ext3 jbd 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: libcfs] 18:57:53: 18:57:53:Pid: 14036, comm: umount Not tainted 2.6.32-358.11.1.el6.x86_64 #1 Red Hat KVM 18:57:53:RIP: 0010:[] [] lu_site_purge+0x120/0x4a0 [obdclass] 18:57:53:RSP: 0018:ffff88003c8afc08 EFLAGS: 00010286 18:57:53:RAX: 0000000000008000 RBX: ffff88003c8afca8 RCX: ffffc9000181f018 18:57:53:RDX: 0000000000000030 RSI: 0000000000000030 RDI: ffff88007c3c8f00 18:57:53:RBP: ffffffff8100bb8e R08: 00000000ffffff0a R09: 0000000000000000 18:57:53:R10: 000000000000000f R11: 000000000000000f R12: 0000000000000000 18:57:53:R13: ffff880079c1b0c0 R14: ffff88003c8afc68 R15: ffff88007c3c8f00 18:57:53:FS: 00007f0107aa8740(0000) GS:ffff880002200000(0000) knlGS:0000000000000000 18:57:53:CS: 0010 DS: 0000 ES: 0000 CR0: 000000008005003b 18:57:53:CR2: ffffc9000181f020 CR3: 0000000065b0f000 CR4: 00000000000006f0 18:57:53:DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 18:57:53:DR3: 0000000000000000 DR6: 00000000ffff0ff0 DR7: 0000000000000400 18:57:53:Process umount (pid: 14036, threadinfo ffff88003c8ae000, task ffff880067d5eae0) 18:57:53:Stack: 18:57:53: 00000000000036d4 ffff88003c8afc58 ffff88006a17fc68 000000e0ffffffff 18:57:53: 000000e000000000 ffffc90001815020 ffffc90001817000 ffff88006a17fc68 18:57:53: ffffc90001815020 ffff88006a17fc60 ffff88003c8afc58 ffff88003c8afc58 18:57:53:Call Trace: 18:57:53: [] ? libcfs_debug_msg+0x41/0x50 [libcfs] 18:57:53: [] ? lu_stack_fini+0x2d/0xc0 [obdclass] 18:57:53: [] ? cl_stack_fini+0xe/0x10 [obdclass] 18:57:53: [] ? cl_sb_fini+0x6d/0x190 [lustre] 18:57:53: [] ? client_common_put_super+0x54/0xaa0 [lustre] 18:57:53: [] ? ll_put_super+0xd9/0x370 [lustre] 18:57:53: [] ? dispose_list+0xfc/0x120 18:57:53: [] ? invalidate_inodes+0xf6/0x190 18:57:54: [] ? generic_shutdown_super+0x5b/0xe0 18:57:54: [] ? kill_anon_super+0x16/0x60 18:57:54: [] ? lustre_kill_super+0x4a/0x60 [obdclass] 18:57:54: [] ? deactivate_super+0x57/0x80 18:57:54: [] ? mntput_no_expire+0xbf/0x110 18:57:54: [] ? sys_umount+0x7b/0x3a0 18:57:54: [] ? system_call_fastpath+0x16/0x1b 18:57:54:Code: 4d 8b 7d 00 49 8b 47 18 4c 89 ff ff 50 08 41 0f b7 57 2e 41 0f b6 4f 36 0f b7 f2 d3 e0 8d 4c 06 18 48 63 c9 48 29 d1 48 03 4d 90 <48> 8b 51 08 48 83 c1 08 4c 8d 7a c8 48 39 ca 49 8b 47 38 48 89 18:57:54:Call Trace: 18:57:54: [] ? lu_site_purge+0x103/0x4a0 [obdclass] 18:57:54: [] ? libcfs_debug_msg+0x41/0x50 [libcfs] 18:59:18: [] ? lu_stack_fini+0x2d/0xc0 [obdclass] 18:59:18: [] ? cl_stack_fini+0xe/0x10 [obdclass] 18:59:18: [] ? cl_sb_fini+0x6d/0x190 [lustre] 18:59:18: [] ? client_common_put_super+0x54/0xaa0 [lustre] 18:59:18: [] ? ll_put_super+0xd9/0x370 [lustre] 18:59:18: [] ? dispose_list+0xfc/0x120 18:59:18: [] ? invalidate_inodes+0xf6/0x190 18:59:18: [] ? generic_shutdown_super+0x5b/0xe0 18:59:18: [] ? kill_anon_super+0x16/0x60 18:59:18: [] ? lustre_kill_super+0x4a/0x60 [obdclass] 18:59:18: [] ? deactivate_super+0x57/0x80 18:59:18: [] ? mntput_no_expire+0xbf/0x110 18:59:18: [