Thanks so much for looking into this. Here's what I got from dmesg. Interestingly enough every time it panics the CPU listed is #4...do you think that points to a hardware problem? -
----------- [cut here ] --------- [please bite here ] --------- Kernel BUG at ...build/BUILD/lustre-ldiskfs-3.0.4/ldiskfs/mballoc.c:1334 invalid opcode: 0000 [1] SMP last sysfs file: /devices/ pci0000:00/0000:00:02.0/0000:01:00.0/0000:02:02.0/0000:04:00.1/irq CPU 4 Modules linked in: obdfilter(U) fsfilt_ldiskfs(U) ost(U) mgc(U) ldiskfs(U) crc16(U) lustre(U) lov(U) lquota(U) mdc(U) ko2iblnd(U) ptlrpc(U) obdclass( U) lnet(U) lvfs(U) libcfs(U) netconsole(U) autofs4(U) hidp(U) rfcomm(U) l2cap(U) bluetooth(U) sunrpc(U) ip6t_REJECT(U) xt_tcpudp(U) ip6table_filter(U ) ip6_tables(U) x_tables(U) ipv6(U) ib_iser(U) libiscsi(U) scsi_transport_iscsi(U) rdma_ucm(U) ib_ucm(U) ib_srp(U) ib_sdp(U) rdma_cm(U) ib_cm(U) iw_c m(U) ib_addr(U) ib_local_sa(U) ib_ipoib(U) ib_sa(U) ib_uverbs(U) ib_umad(U) dm_multipath(U) video(U) sbs(U) backlight(U) i2c_ec(U) button(U) battery( U) asus_acpi(U) acpi_memhotplug(U) ac(U) parport_pc(U) lp(U) parport(U) ib_mthca(U) ib_mad(U) i2c_i801(U) e1000(U) ide_cd(U) ib_core(U) shpchp(U) i2c _core(U) cdrom(U) sg(U) pcspkr(U) dm_snapshot(U) dm_zero(U) dm_mirror(U) dm_mod(U) ata_piix(U) ahci(U) megaraid_sas(U) sata_sil(U) libata(U) sd_mod(U ) scsi_mod(U) ext3(U) jbd(U) ehci_hcd(U) ohci_hcd(U) uhci_hcd(U) Pid: 5717, comm: ll_ost_io_11 Tainted: GF 2.6.18-53.1.13.el5_lustre.1.6.4.3smp #1 RIP: 0010:[<ffffffff8885a01f>] [<ffffffff8885a01f>] :ldiskfs:ldiskfs_mb_use_best_found+0xef/0x520 RSP: 0018:ffff81040e4dd320 EFLAGS: 00010246 RAX: 0000000000000000 RBX: ffff81040e4dd3d0 RCX: 000000000000007f RDX: ffff810406833000 RSI: ffff8103a8250000 RDI: 0000000000001000 RBP: 0000000000000800 R08: 0000000000000020 R09: 0000000000000010 R10: ffff81037d136ff8 R11: 0000000000008000 R12: ffff81040e4dd470 R13: 0000000000010000 R14: 0000000000000020 R15: 0000000000000800 FS: 00002aaaaaac0220(0000) GS:ffff81042fc20b40(0000) knlGS: 0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 000000008005003b CR2: 00002aaaae2ad0a0 CR3: 000000041c6d1000 CR4: 00000000000006e0 Process ll_ost_io_11 (pid: 5717, threadinfo ffff81040e4dc000, task ffff81041228a040) Stack: ffff81040e4dd4c0 ffff81040e4dd470 000000000000000b 0000000000010000 0000000000010000 0000000000000020 ffff81040e4dd4c0 ffffffff8885cd4e ffff81038c2b0a38 0000000000000010 ffff81040e4dd4a0 0000000000000000 Call Trace: [<ffffffff8885cd4e>] :ldiskfs:ldiskfs_mb_regular_allocator+0x66e/0xd50 [<ffffffff888443c2>] :ldiskfs:ldiskfs_mark_inode_dirty+0x132/0x160 [<ffffffff88859664>] :ldiskfs:ldiskfs_mb_initialize_context +0x144/0x160 [<ffffffff8885e1e6>] :ldiskfs:ldiskfs_mb_new_blocks+0x166/0x280 [<ffffffff888bf091>] :fsfilt_ldiskfs:ldiskfs_ext_new_extent_cb +0x301/0x640 [<ffffffff8000a63f>] get_page_from_freelist+0x223/0x3cf [<ffffffff882390b0>] :ib_mthca:mthca_arbel_post_send+0x5a2/0x5b4 [<ffffffff88856d27>] :ldiskfs:ldiskfs_ext_walk_space+0x1b7/0x250 [<ffffffff888bed90>] :fsfilt_ldiskfs:ldiskfs_ext_new_extent_cb +0x0/0x640 [<ffffffff80054ccc>] mwait_idle+0x0/0x4a [<ffffffff888ba9ae>] :fsfilt_ldiskfs:fsfilt_map_nblocks+0xfe/0x150 [<ffffffff888eee08>] :obdfilter:filter_direct_io+0x478/0xce0 [<ffffffff888f14de>] :obdfilter:filter_commitrw_write+0x184e/0x2570 [<ffffffff8005a2ea>] cache_alloc_refill+0x106/0x186 [<ffffffff8003ce86>] lock_timer_base+0x1b/0x3c [<ffffffff8889eb46>] :ost:ost_brw_write+0x21b6/0x28c0 [<ffffffff80088431>] default_wake_function+0x0/0xe [<ffffffff888a283e>] :ost:ost_handle+0x2a8e/0x58d8 [<ffffffff88603c82>] :obdclass:class_handle2object+0xd2/0x160 [<ffffffff8869f230>] :ptlrpc:lustre_swab_ptlrpc_body+0x0/0x90 [<ffffffff8869cde5>] :ptlrpc:lustre_swab_buf+0xc5/0xf0 [<ffffffff886a4a3b>] :ptlrpc:ptlrpc_server_handle_request+0xb0b/0x1270 [<ffffffff80060f29>] thread_return+0x0/0xeb [<ffffffff8006b6c9>] do_gettimeofday+0x50/0x92 [<ffffffff8855d056>] :libcfs:lcw_update_time+0x16/0x100 [<ffffffff8003ce86>] lock_timer_base+0x1b/0x3c [<ffffffff886a747c>] :ptlrpc:ptlrpc_main+0x7dc/0x950 [<ffffffff80088431>] default_wake_function+0x0/0xe [<ffffffff8005bfb1>] child_rip+0xa/0x11 [<ffffffff886a6ca0>] :ptlrpc:ptlrpc_main+0x0/0x950 [<ffffffff8005bfa7>] child_rip+0x0/0x11 Code: 0f 0b 68 50 5c 86 88 c2 36 05 0f 1f 80 00 00 00 00 48 8b 43 RIP [<ffffffff8885a01f>] :ldiskfs:ldiskfs_mb_use_best_found+0xef/0x520 RSP <ffff81040e4dd320> <0>Kernel panic - not syncing: Fatal exception On Jun 2, 2008, at 3:40 AM, Alex Zhuravlev wrote: > what about dmesg output? it's unlikely lustre debug can help here as > the problem > seem to be very internal to ldiskfs (mballoc piece of it) > > thanks, Alex > > Aaron Knister wrote: >> I bumped up debugging, and here's (below) the last bit of debugging >> info from lustre that I have on the oss before it went belly up. My >> system is totally inoperable. Does anybody have any ideas? >> >> 00010000:00001000:4:1212157576.884909:0:6378:0:(ldlm_resource.c: >> 865:ldlm_resource_add_lock()) >> About to add this lock: >> 00010000:00001000:4:1212157576.884910:0:6378:0:(ldlm_lock.c: >> 1718:ldlm_lock_dump()) >> -- Lock dump: ffff81036e61f1c0/0x1fb135e1e3fd2cc6 (rc: 3) (pos: 0) >> (pid: >> 6378) >> 00010000:00001000:4:1212157576.884913:0:6378:0:(ldlm_lock.c: >> 1726:ldlm_lock_dump()) >> Node: local >> 00010000:00001000:4:1212157576.884914:0:6378:0:(ldlm_lock.c: >> 1735:ldlm_lock_dump()) >> Resource: ffff8103849211c0 (3129942/0) >> 00010000:00001000:4:1212157576.884915:0:6378:0:(ldlm_lock.c: >> 1740:ldlm_lock_dump()) >> Req mode: PW, grant mode: PW, rc: 3, read: 0, write: 1 flags: >> 0x80004000 >> 00010000:00001000:4:1212157576.884917:0:6378:0:(ldlm_lock.c: >> 1746:ldlm_lock_dump()) >> Extent: 0 -> 18446744073709551615 (req 0-18446744073709551615) >> 00010000:00000040:4:1212157576.884920:0:6378:0:(ldlm_lock.c: >> 615:ldlm_lock_decref_internal()) >> forcing cancel of local lock >> 00010000:00000010:4:1212157576.884922:0:6378:0:(ldlm_lockd.c: >> 1357:ldlm_bl_to_thread()) >> kmalloced 'blwi': 120 at ffff81040e90a340 (tot 49135175) >> 00002000:00000040:4:1212157576.884925:0:6378:0:(lustre_fsfilt.h: >> 194:fsfilt_start_log()) >> started handle ffff8103766dfc78 (0000000000000000) >> 00002000:00000040:4:1212157576.884930:0:6378:0:(lustre_fsfilt.h: >> 270:fsfilt_commit()) >> committing handle ffff8103766dfc78 >> 00002000:00000040:4:1212157576.884931:0:6378:0:(lustre_fsfilt.h: >> 194:fsfilt_start_log()) >> started handle ffff8103766dfc78 (0000000000000000) >> 00000020:00000040:4:1212157576.884957:0:5557:0:(lustre_handles.c: >> 121:class_handle_unhash_nolock()) >> removing object ffff81036e61f1c0 with handle 0x1fb135e1e3fd2cc6 >> from hash >> 00000100:00000010:4:1212157576.884960:0:5557:0:(client.c: >> 394:ptlrpc_prep_set()) >> kmalloced 'set': 104 at ffff8104012d38c0 (tot 49135279) >> 00000100:00000010:4:1212157576.884962:0:5557:0:(client.c: >> 457:ptlrpc_set_destroy()) >> kfreed 'set': 104 at ffff8104012d38c0 (tot 49135175). >> 00010000:00000040:4:1212157576.884964:0:5557:0:(ldlm_resource.c: >> 818:ldlm_resource_putref()) >> putref res: ffff8103849211c0 count: 0 >> 00010000:00000010:4:1212157576.884969:0:5557:0:(ldlm_resource.c: >> 828:ldlm_resource_putref()) >> kfreed 'res->lr_lvb_data': 40 at ffff810379ded880 (tot 49135135). >> 00010000:00000010:4:1212157576.885000:0:5557:0:(ldlm_resource.c: >> 829:ldlm_resource_putref()) >> slab-freed 'res': 224 at ffff8103849211c0 (tot 49135135). >> 00010000:00000010:4:1212157576.885002:0:5557:0:(ldlm_lockd.c: >> 1657:ldlm_bl_thread_main()) >> kfreed 'blwi': 120 at ffff81040e90a340 (tot 49134791). >> 00002000:00000040:4:1212157576.885623:0:6378:0:(lustre_fsfilt.h: >> 270:fsfilt_commit()) >> committing handle ffff8103766dfc78 >> 00002000:00000002:4:1212157576.885625:0:6378:0:(filter.c: >> 148:f_dput()) >> putting 3129942: ffff8103599cea98, count = 0 >> 00002000:00080000:4:1212157576.885627:0:6378:0:(filter.c: >> 2689:filter_destroy_precreated()) >> crew4-OST0001: after destroy: set last_objids[0] = 3129941 >> 00002000:00000002:4:1212157576.885630:0:6378:0:(filter.c: >> 607:filter_update_last_objid()) >> crew4-OST0001: server last_objid for group 0: 3129941 >> 00002000:00000010:4:1212157576.912615:0:6485:0:(fsfilt-ldiskfs.c: >> 747:fsfilt_ldiskfs_cb_func()) >> slab-freed 'fcb': 56 at ffff810371404920 (tot 49134335). >> 00010000:00000040:4:1212157576.912669:0:6378:0:(ldlm_lib.c: >> 1556:target_committed_to_req()) >> last_committed 17896268, xid 3841 >> 00000100:00000040:4:1212157576.912674:0:6378:0:(connection.c: >> 191:ptlrpc_connection_addref()) >> connection=ffff8103fbe9e2c0 refcount 10 to 172.18.0.10 >> <http://172.18.0.10>@o2ib >> 00000100:00000040:4:1212157576.912678:0:6378:0:(niobuf.c: >> 46:ptl_send_buf()) >> conn=ffff8103fbe9e2c0 id [EMAIL PROTECTED] >> 00000400:00000010:4:1212157576.912680:0:6378:0:(lib-lnet.h: >> 247:lnet_md_alloc()) >> kmalloced 'md': 136 at ffff81040cb6cb80 (tot 9568949). >> 00000400:00000010:4:1212157576.912683:0:6378:0:(lib-lnet.h: >> 295:lnet_msg_alloc()) >> kmalloced 'msg': 336 at ffff8104285e1e00 (tot 9569285). >> 00000100:00000040:4:1212157576.912693:0:6378:0:(connection.c: >> 150:ptlrpc_put_connection()) >> connection=ffff8103fbe9e2c0 refcount 9 to 172.18.0.10 >> <http://172.18.0.10>@o2ib >> 00000100:00000040:4:1212157576.912695:0:6378:0:(service.c: >> 648:ptlrpc_server_handle_request()) >> RPC PUTting export ffff8103848e9000 : new rpc_count 0 >> 00000100:00000040:4:1212157576.912697:0:6378:0:(service.c: >> 648:ptlrpc_server_handle_request()) >> PUTting export ffff8103848e9000 : new refcount 4 >> 00000100:00000040:4:1212157576.912699:0:6378:0:(service.c: >> 652:ptlrpc_server_handle_request()) >> PUTting export ffff8103848e9000 : new refcount 3 >> 00000400:00000010:4:1212157576.912741:0:5351:0:(lib-lnet.h: >> 269:lnet_md_free()) >> kfreed 'md': 136 at ffff81040cb6cb80 (tot 9569149). >> 00000400:00000010:4:1212157576.912744:0:5351:0:(lib-lnet.h: >> 312:lnet_msg_free()) >> kfreed 'msg': 336 at ffff8104285e1e00 (tot 9568813). >> >> >> On Wed, May 28, 2008 at 8:03 PM, Aaron Knister <[EMAIL PROTECTED] >> <mailto:[EMAIL PROTECTED]>> wrote: >> >> Thank you very much for looking into this. I've attached my >> dmesg to >> the bug. i looked at line number 1334 which the panic seems to >> reference. i can't figure out what its doing though >> >> On Wed, May 28, 2008 at 4:54 PM, Alex Zhuravlev >> <[EMAIL PROTECTED] <mailto:[EMAIL PROTECTED]>> wrote: >> >> Aaron Knister wrote: >> >> I'm seeing this bug (14465) under heavy load on my >> OSSes. If >> I reboot the MDS it appears to help...any ideas? What's >> the >> status on this bug? >> >> >> could you attach your dmesg to the bug? as for the status - >> I'm >> still not >> able to reproduce this, neither I found possible cause, sorry. >> >> thanks, Alex >> >> >> > > _______________________________________________ > Lustre-discuss mailing list > [email protected] > http://lists.lustre.org/mailman/listinfo/lustre-discuss _______________________________________________ Lustre-discuss mailing list [email protected] http://lists.lustre.org/mailman/listinfo/lustre-discuss
