Details
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Bug
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Resolution: Fixed
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Blocker
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Lustre 2.12.0
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None
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CentOS 7.6 clients and servers (kernel 3.10.0-957.1.3.el7_lustre.x86_64)
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3
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9223372036854775807
Description
Client doing a migration of a directory from mdt0 to mdt1:
$ cd /fir/users/sthiell/mdtest $ lfs migrate -m 1 32142854
MDT0:
[153404.321665] BUG: unable to handle kernel paging request at ffff903cb4a7d000 [153404.328760] IP: [<ffffffffb9d7f29e>] strncpy+0x1e/0x30 [153404.334023] PGD 6ae452067 PUD 2038b43063 PMD 20386e0063 PTE 8000002034a7d061 [153404.341259] Oops: 0003 [#1] SMP [153404.344632] Modules linked in: osp(OE) mdd(OE) lod(OE) mdt(OE) lfsck(OE) mgs(OE) mgc(OE) osd_ldiskfs(OE) lquota(OE) ldiskfs(OE) lustre(OE) lmv(OE) mdc(OE) osc(OE) lov(OE) fid(OE) fld(OE) ko2iblnd(OE) ptlrpc(OE) obdclass(OE) lnet(OE) libcfs(OE) rpcsec_gss_krb5 auth_rpcgss nfsv4 dns_resolver nfs lockd grace fscache ib_ucm rpcrdma rdma_ucm ib_uverbs ib_iser ib_umad rdma_cm iw_cm libiscsi ib_ipoib scsi_transport_iscsi ib_cm mlx5_ib ib_core mpt2sas mptctl mptbase dell_rbu sunrpc vfat fat dm_round_robin dcdbas amd64_edac_mod edac_mce_amd kvm_amd kvm irqbypass crc32_pclmul ghash_clmulni_intel aesni_intel lrw gf128mul glue_helper ablk_helper cryptd ses dm_multipath enclosure ipmi_si pcspkr ipmi_devintf dm_mod ccp sg ipmi_msghandler i2c_piix4 k10temp acpi_power_meter ip_tables ext4 mbcache jbd2 sd_mod crc_t10dif [153404.417761] crct10dif_generic i2c_algo_bit drm_kms_helper syscopyarea sysfillrect sysimgblt fb_sys_fops mlx5_core ttm ahci mlxfw libahci drm devlink crct10dif_pclmul crct10dif_common tg3 crc32c_intel ptp megaraid_sas libata drm_panel_orientation_quirks pps_core mpt3sas(OE) raid_class scsi_transport_sas [153404.443948] CPU: 5 PID: 45301 Comm: mdt_out01_004 Kdump: loaded Tainted: G OE ------------ 3.10.0-957.1.3.el7_lustre.x86_64 #1 [153404.456538] Hardware name: Dell Inc. PowerEdge R6415/065PKD, BIOS 1.3.6 04/20/2018 [153404.464191] task: ffff902c9aa3b0c0 ti: ffff903cb5bec000 task.ti: ffff903cb5bec000 [153404.471757] RIP: 0010:[<ffffffffb9d7f29e>] [<ffffffffb9d7f29e>] strncpy+0x1e/0x30 [153404.479435] RSP: 0018:ffff903cb5befaf0 EFLAGS: 00010206 [153404.484835] RAX: ffff903cb4a7d000 RBX: ffff903cb4a7cfe0 RCX: ffff903cb4a7d000 [153404.492053] RDX: 0000000000000064 RSI: ffff903ca7d1213e RDI: ffff903cb4a7d000 [153404.499275] RBP: ffff903cb5befaf0 R08: ffff903cb4a7d010 R09: 0000000000000018 [153404.506495] R10: ffff902cbca82400 R11: ffff902cbca82400 R12: ffff901de9582000 [153404.513714] R13: ffff903ca7d12118 R14: 0000000000000000 R15: 0000000000000010 [153404.520933] FS: 00007ff8bee70740(0000) GS:ffff903cbf640000(0000) knlGS:0000000000000000 [153404.529105] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [153404.534939] CR2: ffff903cb4a7d000 CR3: 00000006ade10000 CR4: 00000000003407e0 [153404.542157] Call Trace: [153404.544711] [<ffffffffc118a6ac>] osd_it_ea_rec+0x2ec/0x610 [osd_ldiskfs] [153404.551605] [<ffffffffc0c334b9>] dt_index_page_build+0x149/0x470 [obdclass] [153404.558756] [<ffffffffc0c330e0>] dt_index_walk+0x1a0/0x430 [obdclass] [153404.565386] [<ffffffffc0c33370>] ? dt_index_walk+0x430/0x430 [obdclass] [153404.572190] [<ffffffffc0c34444>] dt_index_read+0x394/0x6a0 [obdclass] [153404.578848] [<ffffffffc0eceb32>] tgt_obd_idx_read+0x612/0x860 [ptlrpc] [153404.585579] [<ffffffffc0ed135a>] tgt_request_handle+0xaea/0x1580 [ptlrpc] [153404.592570] [<ffffffffc0eaaa51>] ? ptlrpc_nrs_req_get_nolock0+0xd1/0x170 [ptlrpc] [153404.600233] [<ffffffffc0aacbde>] ? ktime_get_real_seconds+0xe/0x10 [libcfs] [153404.607399] [<ffffffffc0e7592b>] ptlrpc_server_handle_request+0x24b/0xab0 [ptlrpc] [153404.615171] [<ffffffffc0e727b5>] ? ptlrpc_wait_event+0xa5/0x360 [ptlrpc] [153404.622046] [<ffffffffb9ad67c2>] ? default_wake_function+0x12/0x20 [153404.628403] [<ffffffffb9acba9b>] ? __wake_up_common+0x5b/0x90 [153404.634352] [<ffffffffc0e7925c>] ptlrpc_main+0xafc/0x1fc0 [ptlrpc] [153404.640729] [<ffffffffc0e78760>] ? ptlrpc_register_service+0xf80/0xf80 [ptlrpc] [153404.648208] [<ffffffffb9ac1c31>] kthread+0xd1/0xe0 [153404.653172] [<ffffffffb9ac1b60>] ? insert_kthread_work+0x40/0x40 [153404.659357] [<ffffffffba174c24>] ret_from_fork_nospec_begin+0xe/0x21 [153404.665886] [<ffffffffb9ac1b60>] ? insert_kthread_work+0x40/0x40
Lustre 2.12.0 RC2
Thanks,
Stephane
