Details
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Bug
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Resolution: Fixed
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Blocker
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None
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Lustre 2.4.0
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None
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3
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5207
Description
This might not be directly quota-related, but I saw this for the first time only when trying sanity-quota and I do lots of other testing including dbench itself.
So for now I suspect it's due to quota.
[ 1544.513445] Lustre: DEBUG MARKER: == sanity-quota test 8: Run dbench with quota enabled == 03:01:54 (1350198114) [ 2076.385452] BUG: unable to handle kernel paging request at ffff89001f9ddd60 [ 2076.385990] IP: [<ffffffffa05a2915>] ptlrpc_set_wait+0x605/0x8b0 [ptlrpc] [ 2076.386515] PGD 0 [ 2076.386851] Oops: 0000 [#1] SMP DEBUG_PAGEALLOC [ 2076.387283] last sysfs file: /sys/devices/system/cpu/possible [ 2076.387727] CPU 0 [ 2076.387788] Modules linked in: lustre ofd osp lod ost mdt osd_ldiskfs fsfilt_ldiskfs ldiskfs mdd mds mgs lquota obdecho mgc lov osc mdc lmv fid fld ptlrpc obdclass lvfs ksocklnd lnet libcfs exportfs jbd sha512_generic sha256_generic ip6t_REJECT nf_conntrack_ipv6 nf_defrag_ipv6 xt_state nf_conntrack ip6table_filter ip6_tables ext4 mbcache jbd2 virtio_balloon virtio_console i2c_piix4 i2c_core virtio_blk virtio_net virtio_pci virtio_ring virtio pata_acpi ata_generic ata_piix dm_mirror dm_region_hash dm_log dm_mod nfs lockd fscache nfs_acl auth_rpcgss sunrpc be2iscsi bnx2i cnic uio ipv6 cxgb3i libcxgbi cxgb3 mdio libiscsi_tcp qla4xxx iscsi_boot_sysfs libiscsi scsi_transport_iscsi [last unloaded: libcfs] [ 2076.389330] [ 2076.389330] Pid: 18077, comm: dbench Not tainted 2.6.32-debug #6 Bochs Bochs [ 2076.389330] RIP: 0010:[<ffffffffa05a2915>] [<ffffffffa05a2915>] ptlrpc_set_wait+0x605/0x8b0 [ptlrpc] [ 2076.389330] RSP: 0018:ffff880010b01748 EFLAGS: 00010206 [ 2076.389330] RAX: 0000000000000000 RBX: ffff88001f9ddf30 RCX: 0000000000000000 [ 2076.389330] RDX: 0000000000000001 RSI: 0000000000000000 RDI: ffff8800b017d400 [ 2076.389330] RBP: ffff880010b017d8 R08: 0000000000000001 R09: ffff880000000000 [ 2076.389330] R10: 0000000000000000 R11: 0000000087654321 R12: ffff88001f9ddf70 [ 2076.389330] R13: ffff89001f9ddf70 R14: ffff88008d4f3bf0 R15: ffff880010b019a4 [ 2076.389330] FS: 00007f33f47fa700(0000) GS:ffff880006200000(0000) knlGS:0000000000000000 [ 2076.389330] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 2076.389330] CR2: ffff89001f9ddd60 CR3: 0000000012034000 CR4: 00000000000006f0 [ 2076.389330] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 2076.389330] DR3: 0000000000000000 DR6: 00000000ffff0ff0 DR7: 0000000000000400 [ 2076.389330] Process dbench (pid: 18077, threadinfo ffff880010b00000, task ffff8800b52541c0) [ 2076.389330] Stack: [ 2076.389330] ffff8800ffffff9d ffff8800b5254860 00000000000001f4 d84156c5635688c0 [ 2076.389330] <d> ffff880010b01798 ffffffffa1089fa4 ffff880010b01798 00000020a05ab4fc [ 2076.389330] <d> ffff8800ae00cbf0 0000000000000000 ffff880010b017b8 ffffffffa05ac5e6 [ 2076.389330] [<ffffffffa05049a3>] lmv_intent_lock+0x2b3/0x380 [lmv] [ 2076.389330] [<ffffffffa0c238e0>] ? ll_md_blocking_ast+0x0/0x780 [lustre] [ 2076.389330] [<ffffffffa0c2382e>] ? ll_i2gids+0x2e/0xe0 [lustre] [ 2076.389330] [<ffffffffa0c07b3f>] ? ll_prep_md_op_data+0x12f/0x3f0 [lustre] [ 2076.389330] [<ffffffffa0c22fb0>] ll_lookup_it+0x3b0/0xbd0 [lustre] [ 2076.389330] [<ffffffffa0c238e0>] ? ll_md_blocking_ast+0x0/0x780 [lustre] [ 2076.389330] [<ffffffffa0f68c10>] ? cfs_alloc+0x30/0x60 [libcfs] [ 2076.389330] [<ffffffffa0c24839>] ll_lookup_nd+0x89/0x3b0 [lustre] [ 2076.389330] [<ffffffff81193f36>] ? d_alloc+0x166/0x1d0 [ 2076.389330] [<ffffffff811877e2>] __lookup_hash+0x102/0x160 [ 2076.389330] [<ffffffff81187e8a>] lookup_hash+0x3a/0x50 [ 2076.389330] [<ffffffff8118bda6>] do_filp_open+0x2c6/0xd90 [ 2076.389330] [<ffffffff8118827b>] ? getname+0x3b/0x250 [ 2076.389330] [<ffffffff8119861b>] ? alloc_fd+0xab/0x160 [ 2076.389330] [<ffffffff81178839>] do_sys_open+0x69/0x140 [ 2076.389330] [<ffffffff81178950>] sys_open+0x20/0x30 [ 2076.389330] [<ffffffff8100b0f2>] system_call_fastpath+0x16/0x1b [ 2076.389330] Code: 00 00 00 0f 85 5a fa ff ff 4c 8b 6b 40 4c 8d 63 40 4d 39 e5 75 15 e9 52 ff ff ff 0f 1f 00 4d 8b 6d 00 4d 39 e5 0f 84 96 fa ff ff <41> 81 bd f0 fd ff ff 00 de c0 eb 49 8d bd 68 fd ff ff 75 df e8 [ 2076.389330] RIP [<ffffffffa05a2915>] ptlrpc_set_wait+0x605/0x8b0 [ptlrpc] [ 2076.389330] RSP <ffff880010b01748> [ 2076.389330] CR2: ffff89001f9ddd60
I have a crashdump for this.