[LU-12698] sanity test_802a: Unable to handle kernel NULL pointer dereference at virtual address 000002c4

Mon, 26 Aug 2019 07:53:38 +0000

This issue was created by maloo for wangshilong <wshilong@ddn.com>

This issue relates to the following test suite run: https://testing.whamcloud.com/test_sets/d6d50116-c4af-11e9-9fc9-52540065bddc

test_802a failed with the following error:

trevis-79vm19 crashed during sanity test_802a

[10710.471823] Lustre: DEBUG MARKER: mount -t lustre -o user_xattr,flock trevis-51vm2@tcp:/lustre /mnt/lustre
[10710.567523] LustreError: 13191:0:(lmv_obd.c:1458:lmv_statfs()) lustre-MDT0000-mdc-ffff800041260000: can't stat MDS #0: rc = -13
[10710.605887] LustreError: 13191:0:(lov_obd.c:828:lov_cleanup()) lustre-clilov-ffff800041260000: lov tgt 0 not cleaned! deathrow=0, lovrc=1
[10710.614467] Unable to handle kernel NULL pointer dereference at virtual address 000002c4
[10710.619251] Mem abort info:
[10710.621094] Exception class = DABT (current EL), IL = 32 bits
[10710.624541] SET = 0, FnV = 0
[10710.626349] EA = 0, S1PTW = 0
[10710.628194] Data abort info:
[10710.629991] ISV = 0, ISS = 0x00000007
[10710.632440] CM = 0, WnR = 0
[10710.634182] user pgtable: 64k pages, 48-bit VAs, pgd = ffff80001e725400
[10710.638032] [00000000000002c4] *pgd=00000000668d0003, *pud=00000000668d0003, *pmd=0000000083c80003, *pte=0000000000000000
[10710.644701] Internal error: Oops: 96000007 1 SMP
[10710.647547] Modules linked in: brd lustre(OE) obdecho(OE) mgc(OE) lov(OE) mdc(OE) osc(OE) lmv(OE) fid(OE) fld(OE) ptlrpc_gss(OE) ptlrpc(OE) obdclass(OE) ksocklnd(OE) lnet(OE) libcfs(OE) loop rpcsec_gss_krb5 auth_rpcgss nfsv4 dns_resolver nfs lockd grace fscache rpcrdma ib_isert iscsi_target_mod ib_iser libiscsi scsi_transport_iscsi ib_srpt target_core_mod ib_srp scsi_transport_srp ib_ipoib rdma_ucm ib_ucm ib_uverbs ib_umad rdma_cm ib_cm iw_cm ib_core sunrpc vfat fat crc32_ce ghash_ce sha2_ce sha256_arm64 sha1_ce virtio_balloon ip_tables ext4 mbcache jbd2 virtio_blk virtio_net virtio_mmio virtio_pci virtio_ring virtio [last unloaded: libcfs]
[10710.682063] CPU: 1 PID: 13249 Comm: lctl Kdump: loaded Tainted: G OE ------------ 4.14.0-115.2.2.el7a.aarch64 #1
[10710.688976] Hardware name: QEMU KVM Virtual Machine, BIOS 0.0.0 02/06/2015
[10710.693130] task: ffff80002097aa00 task.stack: ffff00000fde0000
[10710.697589] PC is at lprocfs_import_seq_write+0x2ac/0x79c [ptlrpc]
[10710.701767] LR is at lprocfs_import_seq_write+0x2a4/0x79c [ptlrpc]
[10710.705514] pc : [<ffff000002b6fbc8>] lr : [<ffff000002b6fbc0>] pstate: 60000005
[10710.710008] sp : ffff00000fdefc50
[10710.712030] x29: ffff00000fdefc50 x28: ffff80007fac138b
[10710.715232] x27: 0000000000000000 x26: 0000000000000000
[10710.718431] x25: ffff000008db3c08 x24: ffff000002081000
[10710.721697] x23: 000000000000fc50 x22: ffff000002081004
[10710.724917] x21: 000000000000001d x20: 000000000000001c
[10710.728136] x19: ffff80007fac1380 x18: 0000ffffd04b27a0
[10710.731409] x17: 0000000000000000 x16: 0000000000000000
[10710.734626] x15: ffffffffffffffff x14: ffffffffff000000
[10710.737838] x13: ffffffffffff0000 x12: ffffffffffffffff
[10710.741105] x11: 0000000000000010 x10: 7f7f7f7f7f7f7f7f
[10710.744381] x9 : fefefeff33303939 x8 : 000000000000000a
[10710.747598] x7 : 00000000ffffffbf x6 : 0000000000000002
[10710.750825] x5 : 0000000000000020 x4 : ffff80007fac139a
[10710.754083] x3 : 8f7a27bf462c8800 x2 : 8f7a27bf462c8800
[10710.757325] x1 : 8f7a27bf462c8800 x0 : 0000000000000000
[10710.760579] Process lctl (pid: 13249, stack limit = 0xffff00000fde0000)
[10710.764580] Call trace:
[10710.766064] Exception stack(0xffff00000fdefb10 to 0xffff00000fdefc50)
[10710.769956] fb00: 0000000000000000 8f7a27bf462c8800
[10710.774693] fb20: 8f7a27bf462c8800 8f7a27bf462c8800 ffff80007fac139a 0000000000000020
[10710.779407] fb40: 0000000000000002 00000000ffffffbf 000000000000000a fefefeff33303939
[10710.784167] fb60: 7f7f7f7f7f7f7f7f 0000000000000010 ffffffffffffffff ffffffffffff0000
[10710.788958] fb80: ffffffffff000000 ffffffffffffffff 0000000000000000 0000000000000000
[10710.793720] fba0: 0000ffffd04b27a0 ffff80007fac1380 000000000000001c 000000000000001d
[10710.798496] fbc0: ffff000002081004 000000000000fc50 ffff000002081000 ffff000008db3c08
[10710.803265] fbe0: 0000000000000000 0000000000000000 ffff80007fac138b ffff00000fdefc50
[10710.808023] fc00: ffff000002b6fbc0 ffff00000fdefc50 ffff000002b6fbc8 0000000060000005
[10710.812835] fc20: ffff00000fdefc50 ffff000002b6fbc0 0000ffffffffffff 000000000000001c
[10710.817593] fc40: ffff00000fdefc50 ffff000002b6fbc8
[10710.821179] [<ffff000002b6fbc8>] lprocfs_import_seq_write+0x2ac/0x79c [ptlrpc]
[10710.825741] [<ffff0000030230b4>] mdc_import_seq_write+0x38/0x44 [mdc]
[10710.829777] [<ffff00000832fb5c>] proc_reg_write+0x7c/0xb8
[10710.833087] [<ffff0000082b28e8>] __vfs_write+0x58/0x180
[10710.836279] [<ffff0000082b2c28>] vfs_write+0xb0/0x1a8
[10710.839373] [<ffff0000082b2ef8>] SyS_write+0x60/0xc0
[10710.842409] Exception stack(0xffff00000fdefec0 to 0xffff00000fdf0000)
[10710.846334] fec0: 0000000000000003 0000ffffd04bfee1 000000000000001c 423fff333039396f
[10710.851111] fee0: fefefefefefefeff 000074726f706d69 fffefefefefefefe ffff8b8d908f9296
[10710.855884] ff00: 0000000000000040 0000ffffd04aed40 00000000ffffffff 0000000000000000
[10710.860651] ff20: 2f7d67756265642f 756c2c74656e6c7b 667b2f7379732f7b 6c656e72656b2c73
[10710.865443] ff40: 0000000000000000 0000000000440258 0000ffffd04b27a0 0000ffffd04b2b70
[10710.870195] ff60: 0000000000000001 0000000000000000 00000000026500c0 0000ffffd04b3bf0
[10710.874941] ff80: 0000000000000002 0000000000000000 000000000043f000 00000000026500c0
[10710.879698] ffa0: 0000ffffd04b2ae8 0000ffffd04b29d0 00000000004157a4 0000ffffd04b29d0
[10710.884438] ffc0: 0000ffff8d6af2d8 0000000080000000 0000000000000003 0000000000000040
[10710.889175] ffe0: 0000000000000000 0000000000000000 0000000000000000 0000000000000000
[10710.893904] [<ffff00000808392c>] __sys_trace_return+0x0/0x4
[10710.897305] Code: f9003ba4 9562a952 f9403ba4 35000760 (b942c761)
[10710.901079] SMP: stopping secondary CPUs
[10710.906392] Starting crashdump kernel...
[10710.908726] Bye!

VVVVVVV DO NOT REMOVE LINES BELOW, Added by Maloo for auto-association VVVVVVV
sanity test_802a - trevis-79vm19 crashed during sanity test_802a

Whamcloud Community JIRA

[LU-12698] sanity test_802a: Unable to handle kernel NULL pointer dereference at virtual address 000002c4