[LU-7811] BUG: sleeping function called from invalid context at mm/slub.c:941

Related — Wed, 22 Jun 2016 21:10:18 +0000

We don't expect to use zfs backed MDS in production anytime soon, this is an experimental setup. but I thought it best to report anyway.

[79475.811789] Lustre: Lustre: Build Version: v2_7_1_0-g9e7c0cf-CHANGED-3.10.0-327.0.0.1chaos.ch6.x86_64

[79488.834992] BUG: sleeping function called from invalid context at mm/slub.c:941
[79488.842318] in_atomic(): 1, irqs_disabled(): 0, pid: 14196, name: mdt00_002
[79488.849337] CPU: 2 PID: 14196 Comm: mdt00_002 Tainted: P OE ------------ 3.10.0-327.0.0.1chaos.ch6.x86_64 #1
[79488.860286] Hardware name: Supermicro X8DTH-i/6/iF/6F/X8DTH, BIOS 2.0a 09/29/2010
[79488.868023] ffff880bfd740070 00000000b04a4301 ffff880bfadcb8d0 ffffffff8164b729
[79488.875658] ffff880bfadcb8e0 ffffffff810b5bc9 ffff880bfadcb920 ffffffff811ca233
[79488.883156] ffffffffa0c618aa ffff880bfd740070 0000000000000001 ffff880c1c006300
[79488.890748] Call Trace:
[79488.893260] [<ffffffff8164b729>] dump_stack+0x19/0x1b
[79488.898458] [<ffffffff810b5bc9>] __might_sleep+0xd9/0x100
[79488.903996] [<ffffffff811ca233>] __kmalloc+0x63/0x270
[79488.909205] [<ffffffffa0c618aa>] ? cfs_hash_buckets_realloc+0x37a/0x660 [libcfs]
[79488.916703] [<ffffffffa0c618aa>] cfs_hash_buckets_realloc+0x37a/0x660 [libcfs]
[79488.924081] [<ffffffffa0c6264f>] cfs_hash_rehash_worker+0x9f/0x510 [libcfs]
[79488.931203] [<ffffffffa0c5f5f7>] ? cfs_hash_bd_add_locked+0x57/0x80 [libcfs]
[79488.938365] [<ffffffffa0c62ba4>] cfs_hash_rehash+0xe4/0x1a0 [libcfs]
[79488.944827] [<ffffffffa0c62f52>] cfs_hash_find_or_add+0x172/0x1b0 [libcfs]
[79488.951805] [<ffffffffa0c62fa7>] cfs_hash_add_unique+0x17/0x30 [libcfs]
[79488.958634] [<ffffffffa1028967>] nm_member_add+0xd7/0x160 [ptlrpc]
[79488.965019] [<ffffffffa1023b37>] nodemap_add_member+0x37/0x70 [ptlrpc]
[79488.971720] [<ffffffffa12c1193>] mdt_obd_connect+0x3b3/0x760 [mdt]
[79488.978061] [<ffffffffa0c5a287>] ? libcfs_debug_msg+0x57/0x80 [libcfs]
[79488.984765] [<ffffffffa0f7746f>] target_handle_connect+0x11ef/0x2bf0 [ptlrpc]
[79488.992021] [<ffffffff81647f9a>] ? __slab_free+0x10e/0x277
[79488.997628] [<ffffffff810c1928>] ? __enqueue_entity+0x78/0x80
[79489.003493] [<ffffffff810c7f57>] ? enqueue_entity+0x237/0x890
[79489.009407] [<ffffffffa0ff3a00>] ? nrs_request_removed+0x30/0x120 [ptlrpc]
[79489.016451] [<ffffffffa1013c37>] tgt_request_handle+0x367/0xfd0 [ptlrpc]
[79489.023277] [<ffffffff810dd80e>] ? getnstimeofday64+0xe/0x30
[79489.029134] [<ffffffffa0fbe81b>] ptlrpc_server_handle_request+0x21b/0xa90 [ptlrpc]
[79489.036864] [<ffffffffa0c5bea8>] ? lc_watchdog_touch+0x68/0x180 [libcfs]
[79489.043753] [<ffffffffa0fbb8eb>] ? ptlrpc_wait_event+0xab/0x340 [ptlrpc]
[79489.050601] [<ffffffff810b33d8>] ? __wake_up_common+0x58/0x90
[79489.056534] [<ffffffffa0fc2140>] ptlrpc_main+0xc00/0x1f50 [ptlrpc]
[79489.062864] [<ffffffff81015588>] ? __switch_to+0xf8/0x4d0
[79489.068452] [<ffffffffa0fc1540>] ? ptlrpc_register_service+0x1070/0x1070 [ptlrpc]
[79489.076056] [<ffffffff810a997f>] kthread+0xcf/0xe0
[79489.080968] [<ffffffff810a98b0>] ? kthread_create_on_node+0x140/0x140
[79489.087525] [<ffffffff8165c618>] ret_from_fork+0x58/0x90
[79489.092982] [<ffffffff810a98b0>] ? kthread_create_on_node+0x140/0x140
[79489.099560] BUG: scheduling while atomic: mdt00_002/14196/0x10000002
[79489.105969] Modules linked in: osp(OE) mdd(OE) lod(OE) mdt(OE) lfsck(OE) mgs(OE) mgc(OE) osd_zfs(OE) lquota(OE) fid(OE) fld(OE) ptlrpc(OE) obdclass(OE) ksocklnd(OE) ko2iblnd(OE) lnet(OE) sha512_generic crypto_null libcfs(OE) xprtrdma ib_isert iscsi_target_mod ib_iser libiscsi scsi_transport_iscsi ib_srpt target_core_mod ib_srp scsi_transport_srp scsi_tgt ib_ipoib rdma_ucm ib_ucm ib_uverbs ib_umad rdma_cm ib_cm sd_mod crc_t10dif crct10dif_generic sg mlx4_en vxlan mlx4_ib ip6_udp_tunnel udp_tunnel ib_sa ib_mad iw_cxgb4 iw_cm ib_core ib_addr ipmi_devintf intel_powerclamp coretemp kvm crct10dif_pclmul crct10dif_common crc32_pclmul crc32c_intel ghash_clmulni_intel mgag200 syscopyarea sysfillrect aesni_intel sysimgblt ttm lrw gf128mul glue_helper drm_kms_helper iTCO_wdt ata_generic ablk_helper pata_acpi
[79489.180080] iTCO_vendor_support cryptd drm mpt2sas mlx4_core pcspkr serio_raw cxgb4 ata_piix lpc_ich ipmi_si raid_class libata ioatdma mfd_core i2c_i801 scsi_transport_sas ipmi_msghandler i7core_edac edac_core shpchp acpi_cpufreq binfmt_misc zfs(POE) zunicode(POE) zavl(POE) zcommon(POE) znvpair(POE) spl(OE) zlib_deflate ip_tables nfsv4 dns_resolver nfsv3 nfs fscache lockd grace nfs_acl sunrpc broadcom tg3 bnx2 igb dca i2c_algo_bit i2c_core e1000e ptp pps_core e1000
[79489.222352] CPU: 2 PID: 14196 Comm: mdt00_002 Tainted: P OE ------------ 3.10.0-327.0.0.1chaos.ch6.x86_64 #1
[79489.233354] Hardware name: Supermicro X8DTH-i/6/iF/6F/X8DTH, BIOS 2.0a 09/29/2010
[79489.241128] ffff880bfadcbfd8 00000000b04a4301 ffff880bfadcb848 ffffffff8164b729
[79489.248654] ffff880bfadcb858 ffffffff81645026 ffff880bfadcb8b8 ffffffff81650f78
[79489.256196] ffff880bfadcbfd8 ffff880c0c462280 ffff880bfadcbfd8 ffff880bfadcbfd8
[79489.263737] Call Trace:
[79489.266218] [<ffffffff8164b729>] dump_stack+0x19/0x1b
[79489.271385] [<ffffffff81645026>] __schedule_bug+0x4d/0x5b
[79489.276901] [<ffffffff81650f78>] __schedule+0x808/0x940
[79489.282248] [<ffffffff810ba4e6>] __cond_resched+0x26/0x30
[79489.287764] [<ffffffff8165137a>] _cond_resched+0x3a/0x50
[79489.293196] [<ffffffff811ca238>] __kmalloc+0x68/0x270
[79489.298379] [<ffffffffa0c618aa>] ? cfs_hash_buckets_realloc+0x37a/0x660 [libcfs]
[79489.305902] [<ffffffffa0c618aa>] cfs_hash_buckets_realloc+0x37a/0x660 [libcfs]
[79489.313255] [<ffffffffa0c6264f>] cfs_hash_rehash_worker+0x9f/0x510 [libcfs]
[79489.320342] [<ffffffffa0c5f5f7>] ? cfs_hash_bd_add_locked+0x57/0x80 [libcfs]
[79489.327521] [<ffffffffa0c62ba4>] cfs_hash_rehash+0xe4/0x1a0 [libcfs]
[79489.334012] [<ffffffffa0c62f52>] cfs_hash_find_or_add+0x172/0x1b0 [libcfs]
[79489.341012] [<ffffffffa0c62fa7>] cfs_hash_add_unique+0x17/0x30 [libcfs]
[79489.347801] [<ffffffffa1028967>] nm_member_add+0xd7/0x160 [ptlrpc]
[79489.354153] [<ffffffffa1023b37>] nodemap_add_member+0x37/0x70 [ptlrpc]
[79489.360817] [<ffffffffa12c1193>] mdt_obd_connect+0x3b3/0x760 [mdt]
[79489.367126] [<ffffffffa0c5a287>] ? libcfs_debug_msg+0x57/0x80 [libcfs]
[79489.373814] [<ffffffffa0f7746f>] target_handle_connect+0x11ef/0x2bf0 [ptlrpc]
[79489.381062] [<ffffffff81647f9a>] ? __slab_free+0x10e/0x277
[79489.386661] [<ffffffff810c1928>] ? __enqueue_entity+0x78/0x80
[79489.392525] [<ffffffff810c7f57>] ? enqueue_entity+0x237/0x890
[79489.398438] [<ffffffffa0ff3a00>] ? nrs_request_removed+0x30/0x120 [ptlrpc]
[79489.405485] [<ffffffffa1013c37>] tgt_request_handle+0x367/0xfd0 [ptlrpc]
[79489.412308] [<ffffffff810dd80e>] ? getnstimeofday64+0xe/0x30
[79489.418128] [<ffffffffa0fbe81b>] ptlrpc_server_handle_request+0x21b/0xa90 [ptlrpc]
[79489.425832] [<ffffffffa0c5bea8>] ? lc_watchdog_touch+0x68/0x180 [libcfs]
[79489.432690] [<ffffffffa0fbb8eb>] ? ptlrpc_wait_event+0xab/0x340 [ptlrpc]
[79489.439512] [<ffffffff810b33d8>] ? __wake_up_common+0x58/0x90
[79489.445444] [<ffffffffa0fc2140>] ptlrpc_main+0xc00/0x1f50 [ptlrpc]
[79489.451775] [<ffffffff81015588>] ? __switch_to+0xf8/0x4d0
[79489.457365] [<ffffffffa0fc1540>] ? ptlrpc_register_service+0x1070/0x1070 [ptlrpc]
[79489.464992] [<ffffffff810a997f>] kthread+0xcf/0xe0
[79489.469921] [<ffffffff810a98b0>] ? kthread_create_on_node+0x140/0x140
[79489.476504] [<ffffffff8165c618>] ret_from_fork+0x58/0x90
[79489.481957] [<ffffffff810a98b0>] ? kthread_create_on_node+0x140/0x140

Whamcloud Community JIRA

[LU-7811] BUG: sleeping function called from invalid context at mm/slub.c:941