For my own curiosity's sake, is there a bugzilla id associated with it? I'm curious to know what the problem is/was.
On Jun 5, 2008, at 8:50 AM, Alex Zhuravlev wrote: > we've been investigating one issue which can be a source of your > problem. > fortunately we can reproduce that. > > thanks, Alex > > Aaron Knister wrote: >> Unfortunately the monkeys maintaining this setup (I left the company >> last week) have managed to destroy one of the 13 terabyte arrays...so >> they've got bigger issues right now. Thanks for your help though. >> >> On Jun 5, 2008, at 3:18 AM, Alex Zhuravlev wrote: >> >>> hmm. could you provide me with ldiskfs.ok then? >>> >>> thanks, Alex >>> >>> Aaron Knister wrote: >>>> I'm not sure how to obtain that. I'm running whatever was >>>> distributed >>>> with 1.6.4.3 for rhel5-x86_64. >>>> >>>> On Jun 2, 2008, at 8:08 AM, Alex Zhuravlev wrote: >>>> >>>>> could you also send me your mballoc.c please? >>>>> >>>>> thanks, Alex >>>>> >>>>> Aaron Knister wrote: >>>>>> 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 >> > > _______________________________________________ > 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
