[LU-6258] Interop 2.6.0<->2.7 conf-sanity test_32a: BUG: unable to handle kernel NULL pointer dereference at (null)

• Type: Bug
• Resolution: Duplicate
• Priority: Minor
• Affects Version/s: Lustre 2.7.0
• Environment: server: 2.6.0; client: lustre-master build # 2856
• Severity: 3
• Assignee: WC Triage
• Reporter: Maloo

Description

This issue was created by maloo for sarah <[e-mail]>

This issue relates to the following test suite run: https://testing.hpdd.intel.com/test_sets/36489b32-b7fc-11e4-a8e9-5254006e85c2.

The sub-test test_32a failed with the following error:

test failed to respond and timed out

MDS reboot

09:43:18:Lustre: DEBUG MARKER: == conf-sanity test 32a: Upgrade (not live) == 01:42:52 (1424252572)
09:43:18:Lustre: DEBUG MARKER: which tunefs.lustre
09:43:18:Lustre: DEBUG MARKER: find /usr/lib64/lustre/tests -maxdepth 1 -name 'disk*-ldiskfs.tar.bz2'
09:43:18:Lustre: DEBUG MARKER: /usr/sbin/lctl list_nids
09:43:18:Lustre: DEBUG MARKER: mkdir -p /tmp/t32/mnt/mdt /tmp/t32/mnt/ost
09:43:18:Lustre: DEBUG MARKER: tar xjvf /usr/lib64/lustre/tests/disk2_1-ldiskfs.tar.bz2 -S -C /tmp/t32
09:43:18:Lustre: DEBUG MARKER: cat /tmp/t32/commit
09:43:18:Lustre: DEBUG MARKER: cat /tmp/t32/kernel
09:43:18:Lustre: DEBUG MARKER: cat /tmp/t32/arch
09:43:18:Lustre: DEBUG MARKER: cat /tmp/t32/bspace
09:43:18:Lustre: DEBUG MARKER: cat /tmp/t32/ispace
09:43:18:Lustre: DEBUG MARKER: /usr/sbin/lctl set_param debug=-1
09:43:18:Lustre: DEBUG MARKER: tunefs.lustre --dryrun /tmp/t32/mdt
09:43:18:Lustre: DEBUG MARKER: PATH=/usr/lib64/lustre/tests:/usr/lib/lustre/tests:/usr/lib64/lustre/tests:/opt/iozone/bin:/usr/lib64/lustre/tests//usr/lib64/lustre/tests:/usr/lib64/lustre/tests:/usr/lib64/lustre/tests/../utils:/opt/iozone/bin:/usr/lib64/lustre/tests/mpi:/usr/lib64/lust
09:43:18:Lustre: DEBUG MARKER: PATH=/usr/lib64/lustre/tests:/usr/lib/lustre/tests:/usr/lib64/lustre/tests:/opt/iozone/bin:/usr/lib64/lustre/tests//usr/lib64/lustre/tests:/usr/lib64/lustre/tests:/usr/lib64/lustre/tests/../utils:/opt/iozone/bin:/usr/lib64/lustre/tests/mpi:/usr/lib64/lust
09:43:49:Lustre: DEBUG MARKER: mount -t lustre -o loop,exclude=t32fs-OST0000 /tmp/t32/mdt /tmp/t32/mnt/mdt
09:43:49:LDISKFS-fs (loop0): mounted filesystem with ordered data mode. quota=off. Opts: 
09:43:49:Lustre: t32fs-MDT0000: Migrate inode quota from old admin quota file(admin_quotafile_v2.usr) to new IAM quota index([0x200000006:0x10000:0x0]).
09:43:49:Lustre: 29755:0:(obd_mount.c:885:lustre_check_exclusion()) Excluding t32fs-OST0000 (on exclusion list)
09:43:49:Lustre: DEBUG MARKER: /usr/sbin/lctl get_param -n mdt.t32fs-MDT0000.uuid
09:43:49:Lustre: DEBUG MARKER: tunefs.lustre --dryrun /tmp/t32/ost
09:43:49:Lustre: DEBUG MARKER: mount -t lustre -o loop,mgsnode=10.2.4.207@tcp /tmp/t32/ost /tmp/t32/mnt/ost
09:43:49:LDISKFS-fs (loop1): mounted filesystem with ordered data mode. quota=off. Opts: 
09:43:49:Lustre: srv-t32fs-OST0000: No data found on store. Initialize space
09:43:49:Lustre: Skipped 1 previous similar message
09:43:49:Lustre: DEBUG MARKER: /usr/sbin/lctl get_param -n obdfilter.t32fs-OST0000.uuid
09:43:49:Lustre: DEBUG MARKER: /usr/sbin/lctl conf_param t32fs-OST0000.osc.max_dirty_mb=15
09:43:49:Lustre: DEBUG MARKER: /usr/sbin/lctl conf_param t32fs-OST0000.failover.node=10.2.4.207@tcp
09:43:49:Lustre: DEBUG MARKER: /usr/sbin/lctl conf_param t32fs-MDT0000.mdc.max_rpcs_in_flight=9
09:43:49:Lustre: DEBUG MARKER: /usr/sbin/lctl conf_param t32fs-MDT0000.failover.node=10.2.4.207@tcp
09:43:49:Lustre: DEBUG MARKER: /usr/sbin/lctl pool_new t32fs.interop
09:43:49:LustreError: 29736:0:(mgc_request.c:1493:mgc_apply_recover_logs()) mgc: cannot find uuid by nid 10.2.4.207@tcp
09:43:49:Lustre: 29736:0:(mgc_request.c:1654:mgc_process_recover_log()) Process recover log t32fs-mdtir error -2
09:43:49:Lustre: 30243:0:(obd_mount.c:885:lustre_check_exclusion()) Excluding t32fs-OST0000-osc-MDT0000 (on exclusion list)
09:43:49:LustreError: 30243:0:(obd_config.c:1430:class_process_proc_seq_param()) osc: t32fs-OST0000-osc-MDT0000 unknown param max_dirty_mb=15
09:43:49:Lustre: DEBUG MARKER: /usr/sbin/lctl conf_param t32fs-MDT0000.lov.stripesize=4M
09:43:49:Lustre: DEBUG MARKER: /usr/sbin/lctl conf_param t32fs-MDT0000.mdd.atime_diff=70
09:43:49:Lustre: DEBUG MARKER: umount -d /tmp/t32/mnt/mdt
09:43:49:Lustre: Failing over t32fs-MDT0000
09:43:49:Lustre: server umount t32fs-MDT0000 complete
09:43:49:Lustre: Skipped 7 previous similar messages
09:43:49:Lustre: DEBUG MARKER: umount -d /tmp/t32/mnt/ost
09:43:49:Lustre: DEBUG MARKER: PATH=/usr/lib64/lustre/tests:/usr/lib/lustre/tests:/usr/lib64/lustre/tests:/opt/iozone/bin:/usr/lib64/lustre/tests//usr/lib64/lustre/tests:/usr/lib64/lustre/tests:/usr/lib64/lustre/tests/../utils:/opt/iozone/bin:/usr/lib64/lustre/tests/mpi:/usr/lib64/lust
09:43:49:LNet: Removed LNI 10.2.4.207@tcp
09:43:49:LNet: HW CPU cores: 2, npartitions: 2
09:43:49:alg: No test for adler32 (adler32-zlib)
09:43:49:alg: No test for crc32 (crc32-table)
09:43:49:Lustre: Lustre: Build Version: 2.6.0-RC2--PRISTINE-2.6.32-431.20.3.el6_lustre.x86_64
09:43:49:LNet: Added LNI 10.2.4.207@tcp [8/256/0/180]
09:43:49:LNet: Accept all, port 7988
09:43:49:Lustre: 31088:0:(gss_svc_upcall.c:1131:gss_init_svc_upcall()) Init channel is not opened by lsvcgssd, following request might be dropped until lsvcgssd is active
09:43:49:Lustre: 31088:0:(gss_mech_switch.c:76:lgss_mech_register()) Register gssnull mechanism
09:43:49:Lustre: Echo OBD driver; http://www.lustre.org/
09:43:49:Lustre: DEBUG MARKER: tunefs.lustre --dryrun /tmp/t32/mdt
09:43:49:Lustre: DEBUG MARKER: mount -t lustre -o loop,exclude=t32fs-OST0000 /tmp/t32/mdt /tmp/t32/mnt/mdt
09:43:49:LDISKFS-fs (loop0): mounted filesystem with ordered data mode. quota=off. Opts: 
09:43:49:Lustre: 31495:0:(obd_mount.c:885:lustre_check_exclusion()) Excluding t32fs-OST0000 (on exclusion list)
09:43:49:LustreError: 31495:0:(obd_config.c:1430:class_process_proc_seq_param()) osc: t32fs-OST0000-osc-MDT0000 unknown param max_dirty_mb=15
09:43:49:BUG: unable to handle kernel NULL pointer dereference at (null)
09:43:49:IP: [<ffffffffa1142f19>] class_process_proc_seq_param+0x159/0x810 [obdclass]
09:43:49:PGD 0 
09:43:49:Oops: 0000 [#1] SMP 
09:43:49:last sysfs file: /sys/module/lquota/initstate
09:43:49:CPU 1 
09:43:49:Modules linked in: osd_ldiskfs(U) ldiskfs(U) lustre(U) ofd(U) osp(U) lod(U) ost(U) mdt(U) mdd(U) mgs(U) nodemap(U) lquota(U) lfsck(U) obdecho(U) mgc(U) lov(U) osc(U) mdc(U) lmv(U) fid(U) fld(U) ptlrpc_gss(U) ptlrpc(U) obdclass(U) ksocklnd(U) lnet(U) libcfs(U) sha512_generic sha256_generic jbd2 nfs fscache nfsd lockd nfs_acl auth_rpcgss sunrpc exportfs autofs4 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 pata_acpi ata_generic ata_piix virtio_pci virtio_ring virtio dm_mirror dm_region_hash dm_log dm_mod [last unloaded: libcfs]
09:43:49:

Issue Links

• is duplicated by: LU-5997 NULL pointer dereferecing in class_process_proc_seq_param() on lctl conf_param