Details
-
Bug
-
Resolution: Cannot Reproduce
-
Critical
-
None
-
Lustre 2.4.1
-
None
-
2 sockets, Intel CPU E5-2670 2.60GHz 32GB DDR3 memory1600 MHz
kernel 2.6.32-358.18.1.el6_lustre.x86_64 Scientific Linux 6.4
-
4
-
10997
Description
At certain load of benchmarking the metadata performance, the MDS crashes kernel panic, the job is running on 16 MDTs and served by one MDS.
Oct 11 11:44:49 greina15 kernel: BUG: unable to handle kernel NULL pointer dereference at (null)
Oct 11 11:44:49 greina15 kernel: IP: [<ffffffffa049052f>] jbd2_journal_start+0x4f/0x110 [jbd2]
Oct 11 11:44:49 greina15 kernel: PGD 0
Oct 11 11:44:49 greina15 kernel: Oops: 0000 1 SMP
Oct 11 11:44:49 greina15 kernel: last sysfs file: /sys/devices/pci0000:00/0000:00:1f.2/host1/target1:0:0/1:0:0:0/block/sda/uevent
Oct 11 11:44:49 greina15 kernel: CPU 23
Oct 11 11:44:49 greina15 kernel: Modules linked in: osp(U) lod(U) mdt(U) mgs(U) mgc(U) fsfilt_ldiskfs(U) osd_ldiskfs(U) ldiskfs(U) lquota(U) mdd(U) lustre(U) lov(U) osc(U) mdc(U) fid(U) fld(U) ko2iblnd(U) ptlrpc(U) obdclass(U) lnet(U) lvfs(U) sha512_generic sha256_generic crc32c_intel libcfs(U) mmfs26(U) mmfslinux(U) tracedev(U) limic(U) ip6t_REJECT nf_conntrack_ipv6 nf_defrag_ipv6 xt_state nf_conntrack ip6table_filter ip6_tables ib_ipoib rdma_ucm ib_ucm ib_uverbs ib_umad rdma_cm ib_cm iw_cm ib_addr mlx4_ib ib_sa ib_mad iw_cxgb4 iw_cxgb3 ib_core usb_storage microcode serio_raw rsxx(U) sb_edac edac_core sr_mod cdrom sg iTCO_wdt iTCO_vendor_support shpchp i2c_i801 i2c_core hpilo xfs exportfs qla3xxx cciss hpsa igb dca ptp pps_core megaraid_sas aacraid aic79xx aic7xxx ata_piix mpt2sas raid_class mptspi scsi_transport_spi mptsas mptscsih mptbase arcmsr sata_nv sata_svw 3w_9xxx 3w_xxxx bnx2 forcedeth ext4 jbd2 ext3 jbd ext2 mbcache sata_sil tg3 e1000 nfs lockd fscache auth_rpcgss nfs_acl sunrpc tun sd_mod crc_t10dif ml
Oct 11 11:44:49 greina15 kernel: x4_core ahci e1000e isci libsas scsi_transport_sas dm_mirror dm_region_hash dm_log dm_mod be2iscsi bnx2i cnic uio ipv6 cxgb4i cxgb4 cxgb3i libcxgbi cxgb3 mdio libiscsi_tcp qla4xxx iscsi_boot_sysfs libiscsi scsi_transport_iscsi [last unloaded: speedstep_lib]
Oct 11 11:44:49 greina15 kernel:
regards
Hussein