[LU-6329] replay-single test_101: kernel panic on out_tx_attr_set_undo+0x64

• Type: Bug
• Resolution: Fixed
• Priority: Minor
• Fix Version/s: Lustre 2.8.0
• Affects Version/s: Lustre 2.8.0
• Labels: dne2
• Severity: 3
• Assignee: Di Wang
• Reporter: Maloo

Description

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

This issue relates to the following test suite run: https://testing.hpdd.intel.com/test_sets/8ac59324-c21d-11e4-a62a-5254006e85c2.

The sub-test test_101 failed with the following error:

15:37:41:BUG: unable to handle kernel NULL pointer dereference at 0000000000000028
15:37:41:IP: [<ffffffffa087d874>] out_tx_attr_set_undo+0x64/0x90 [ptlrpc]
15:37:41:PGD 0 
15:37:41:Oops: 0000 [#1] SMP 
15:37:41:last sysfs file: /sys/devices/pci0000:00/0000:00:04.0/virtio0/block/vda/queue/scheduler
15:37:41:CPU 1 
15:37:41:Modules linked in: osp(U) mdd(U) lod(U) mdt(U) lfsck(U) mgs(U) mgc(U) osd_ldiskfs(U) lquota(U) lustre(U) lov(U) mdc(U) fid(U) lmv(U) fld(U) ksocklnd(U) ptlrpc(U) obdclass(U) lnet(U) sha512_generic libcfs(U) ldiskfs(U) jbd2 nfsd exportfs 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_sa ib_mad ib_core ib_addr ipv6 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: speedstep_lib]
15:37:41:
15:37:41:Pid: 27039, comm: tgt_recov Not tainted 2.6.32-504.8.1.el6_lustre.g88a0262.x86_64 #1 Red Hat KVM
15:37:41:RIP: 0010:[<ffffffffa087d874>]  [<ffffffffa087d874>] out_tx_attr_set_undo+0x64/0x90 [ptlrpc]
15:37:41:RSP: 0018:ffff88007a8f9d70  EFLAGS: 00010282
15:37:41:RAX: ffff8800792b5d08 RBX: ffff88007c468400 RCX: 0000000000000000
15:37:41:RDX: 0000000000000000 RSI: ffffffffa08d01c0 RDI: ffffffffa09368e0
15:37:41:RBP: ffff88007a8f9d80 R08: ffff88007a6afb98 R09: 0000000000000000
15:37:41:R10: ffff88007a6afcc0 R11: 0000000000000040 R12: 0000000000000000
15:37:41:R13: ffff88007a52f440 R14: ffff8800589a3b40 R15: 0000000000000008
15:37:41:FS:  0000000000000000(0000) GS:ffff880002300000(0000) knlGS:0000000000000000
15:37:41:CS:  0010 DS: 0018 ES: 0018 CR0: 000000008005003b
15:37:41:CR2: 0000000000000028 CR3: 000000007d329000 CR4: 00000000000006e0
15:37:41:DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
15:37:41:DR3: 0000000000000000 DR6: 00000000ffff0ff0 DR7: 0000000000000400
15:37:41:Process tgt_recov (pid: 27039, threadinfo ffff88007a8f8000, task ffff88007b4c2ae0)
15:37:41:Stack:
15:37:41: ffff8800589a3b40 ffff88005bcb2000 ffff88007a8f9e20 ffffffffa088ea64
15:37:41:<d> 0000000000000001 ffff88007c4684f0 0000000000000212 ffff8800589a3940
15:37:41:<d> ffff88007c4e6140 0000000000000008 0000000220000100 0000000000000000
15:37:41:Call Trace:
15:37:41: [<ffffffffa088ea64>] distribute_txn_replay_handle+0x7d4/0x980 [ptlrpc]
15:37:41: [<ffffffffa07d86b1>] target_recovery_thread+0x9e1/0x1ad0 [ptlrpc]
15:37:41: [<ffffffffa07d7cd0>] ? target_recovery_thread+0x0/0x1ad0 [ptlrpc]
15:37:41: [<ffffffff8109e66e>] kthread+0x9e/0xc0
15:37:41: [<ffffffff8100c20a>] child_rip+0xa/0x20
15:37:41: [<ffffffff8109e5d0>] ? kthread+0x0/0xc0
15:37:41: [<ffffffff8100c200>] ? child_rip+0x0/0x20test failed to respond and timed out

Info required for matching: replay-single 101

Issue Links

• is related to: LU-3534 async update cross-MDTs