Details
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Bug
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Resolution: Cannot Reproduce
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Minor
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None
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Lustre 2.4.0
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3
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6056
Description
Run sanity with USE_OFD=yes, LOAD_MODULES_REMOTE=true
Lustre: DEBUG MARKER: == sanity test 27g: /usr/bin/lfs getstripe with no objects == 00:07:27 (1346483247)
BUG: unable to handle kernel NULL pointer dereference at (null)
IP: [<ffffffff81283340>] list_del+0x10/0xa0
PGD 37b39067 PUD 6fd8d067 PMD 0
Oops: 0000 1 SMP
last sysfs file: /sys/devices/system/cpu/possible
CPU 0
Modules linked in: lustre(U) ofd(U) ost(U) cmm(U) mdt(U) osd_ldiskfs(U) fsfilt_ldiskfs(U) ldiskfs(U) mdd(U) mds(U) mgs(U) jbd2 obdecho(U) mgc(U) lquota(U) lov(U) osc(U) mdc(U) lmv
(U) fid(U) fld(U) ptlrpc(U) obdclass(U) lvfs(U) ksocklnd(U) lnet(U) sha512_generic sha256_generic libcfs(U) nfsd lockd nfs_acl auth_rpcgss exportfs autofs4 sunrpc ib_ipoib rdma_uc
m 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 virtio_
pci virtio_ring virtio pata_acpi ata_generic ata_piix dm_mirror dm_region_hash dm_log dm_mod [last unloaded: speedstep_lib]
Pid: 7, comm: events/0 Not tainted 2.6.32-279.5.1.el6_lustre.g7f15218.x86_64 #1 Red Hat KVM
RIP: 0010:[<ffffffff81283340>] [<ffffffff81283340>] list_del+0x10/0xa0
RSP: 0018:ffff88007dcc5d10 EFLAGS: 00010082
RAX: 0000000000000000 RBX: ffff88007be6f000 RCX: 000000000000100c
RDX: ffff88007dd469c0 RSI: ffff88007dd47418 RDI: ffff88007be6f000
RBP: ffff88007dcc5d20 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000001 R11: ffff880037d938e8 R12: 0000000000000001
R13: ffff88007dd47418 R14: 0000000000000000 R15: ffffea0000000000
FS: 0000000000000000(0000) GS:ffff880002200000(0000) knlGS:0000000000000000
CS: 0010 DS: 0018 ES: 0018 CR0: 000000008005003b
CR2: 0000000000000000 CR3: 0000000037f6b000 CR4: 00000000000006f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000ffff0ff0 DR7: 0000000000000400
Process events/0 (pid: 7, threadinfo ffff88007dcc4000, task ffff88007dcc3500)
Stack:
0000000000000001 ffff88007de21700 ffff88007dcc5d80 ffffffff81164008
<d> ffff88007dd469c0 ffff88007be6f000 000000000000100c ffff88007be6f6e0
<d> 0000000000000001 ffff88007dd47400 ffff88007de21700 0000000000000001
Call Trace:
[<ffffffff81164008>] free_block+0xc8/0x170
[<ffffffff811642e1>] drain_array+0xc1/0x100
[<ffffffff811652ae>] cache_reap+0x8e/0x260
[<ffffffff810923be>] ? prepare_to_wait+0x4e/0x80
[<ffffffff81165220>] ? cache_reap+0x0/0x260
[<ffffffff8108c760>] worker_thread+0x170/0x2a0
[<ffffffff810920d0>] ? autoremove_wake_function+0x0/0x40
[<ffffffff8108c5f0>] ? worker_thread+0x0/0x2a0
[<ffffffff81091d66>] kthread+0x96/0xa0
[<ffffffff8100c14a>] child_rip+0xa/0x20
[<ffffffff81091cd0>] ? kthread+0x0/0xa0
[<ffffffff8100c140>] ? child_rip+0x0/0x20
Code: 89 95 fc fe ff ff e9 ab fd ff ff 4c 8b ad e8 fe ff ff e9 db fd ff ff 90 90 90 90 55 48 89 e5 53 48 89 fb 48 83 ec 08 48 8b 47 08 <4c> 8b 00 4c 39 c7 75 39 48 8b 03 4c 8b 40 08 4c 39 c3 75 4c 48
RIP [<ffffffff81283340>] list_del+0x10/0xa0
RSP <ffff88007dcc5d10>
CR2: 0000000000000000
Initializing cgroup subsys cpuset
Initializing cgroup subsys cpu
Linux version 2.6.32-279.5.1.el6_lustre.g7f15218.x86_64 (jenkins@builder-1-sde1-el6-x8664.lab.whamcloud.com) (gcc version 4.4.6 20120305 (Red Hat 4.4.6-4) (GCC) ) #1 SMP Tue Aug 21 01:32:12 PDT 2012