[Ocfs2-users] Oops during umount

Sunil Mushran sunil.mushran at oracle.com
Wed Sep 30 10:24:20 PDT 2009 

This bug requires two mainline patches specified in the following bugs:
http://oss.oracle.com/bugzilla/show_bug.cgi?id=914
http://oss.oracle.com/bugzilla/show_bug.cgi?id=1162

Laurence Mayer wrote:
> Looks very like bugzilla 914
>
> http://oss.oracle.com/bugzilla/show_bug.cgi?id=914
>
>
> Laurence Mayer wrote:
>> OS: Ubuntu 8.04 x64
>> Kern: Linux n1 2.6.24-24-server #1 SMP Tue Jul 7 19:39:36 UTC 2009 
>> x86_64 GNU/Linux
>> 10 Node Cluster
>> OCFS2 Version:  1.3.9-0ubuntu1 (BTW: how does this translate to 
>> Official OCFS2 versions?)
>>
>> During routine umount of the ocfs2 volume from a single node, I 
>> receive the below oops.
>>
>> I see that there is a bugzilla 785, not sure if it is the same problem.
>>
>> Any ideas why?
>>
>> Thanks
>> Laurence
>>
>>
>> Sep 30 09:47:44 n8 kernel: [1702585.411505] 
>> (26626,3):dlm_empty_lockres:2774 ERROR: lockres 
>> M000000000000000030ba1100000000 still has local locks!
>> Sep 30 09:47:44 n8 kernel: [1702585.413492] ------------[ cut here 
>> ]------------
>> Sep 30 09:47:44 n8 kernel: [1702585.413526] kernel BUG at 
>> /build/buildd/linux-2.6.24/fs/ocfs2/dlm/dlmmaster.c:2775!
>> Sep 30 09:47:44 n8 kernel: [1702585.413585] invalid opcode: 0000 [1] SMP
>> Sep 30 09:47:44 n8 kernel: [1702585.413622] CPU 3
>> Sep 30 09:47:44 n8 kernel: [1702585.413651] Modules linked in: ocfs2 
>> ocfs2_dlmfs ocfs2_dlm ocfs2_nodemanager configfs ib_iser rdma_cm 
>> ib_cm iw_cm ib_sa ib_mad ib_core ib_addr iscsi_tcp
>> libiscsi scsi_transport_iscsi nfs lockd nfs_acl sunrpc crc32c 
>> libcrc32c ipmi_devintf ipmi_si ipmi_msghandler iptable_filter 
>> ip_tables x_tables xfs ipv6 parport_pc lp parport loop serio_
>> raw psmouse i2c_piix4 dcdbas i2c_core pcspkr button k8temp evdev 
>> shpchp pci_hotplug ext3 jbd mbcache sg sd_mod sr_mod cdrom 
>> ata_generic usbhid hid pata_acpi sata_svw ehci_hcd pata_serve
>> rworks ohci_hcd tg3 libata usbcore scsi_mod thermal processor fan 
>> fbcon tileblit font bitblit softcursor fuse
>> Sep 30 09:47:44 n8 kernel: [1702585.414110] Pid: 26626, comm: umount 
>> Not tainted 2.6.24-24-server #1
>> Sep 30 09:47:44 n8 kernel: [1702585.414145] RIP: 
>> 0010:[ocfs2_dlm:dlm_empty_lockres+0xee0/0x17d0]  
>> [ocfs2_dlm:dlm_empty_lockres+0xee0/0x17d0] 
>> :ocfs2_dlm:dlm_empty_lockres+0xee0/0x17d0
>> Sep 30 09:47:44 n8 kernel: [1702585.414220] RSP: 
>> 0018:ffff8102f1d95be8  EFLAGS: 00010292
>> Sep 30 09:47:44 n8 kernel: [1702585.414255] RAX: 000000000000007b 
>> RBX: ffff81037b08d200 RCX: 0000000000000001
>> Sep 30 09:47:44 n8 kernel: [1702585.414311] RDX: ffffffff80590f68 
>> RSI: 0000000000000082 RDI: ffffffff80590f60
>> Sep 30 09:47:44 n8 kernel: [1702585.414369] RBP: 00000000ffffffd9 
>> R08: 0000742df56cf5a4 R09: 0000000000000000
>> Sep 30 09:47:44 n8 kernel: [1702585.414426] R10: ffff810220068c60 
>> R11: ffffffff802231e0 R12: ffff81037b08d200
>> Sep 30 09:47:44 n8 kernel: [1702585.414480] R13: ffff81041190f000 
>> R14: 0000000000000001 R15: ffff8102891b8280
>> Sep 30 09:47:44 n8 kernel: [1702585.414537] FS:  
>> 00007fe016e746e0(0000) GS:ffff810416da9c80(0000) knlGS:00000000f34f5b90
>> Sep 30 09:47:44 n8 kernel: [1702585.414596] CS:  0010 DS: 0000 ES: 
>> 0000 CR0: 000000008005003b
>> Sep 30 09:47:44 n8 kernel: [1702585.414632] CR2: 00007f36e7000000 
>> CR3: 0000000105a1e000 CR4: 00000000000006e0
>> Sep 30 09:47:44 n8 kernel: [1702585.414689] DR0: 0000000000000000 
>> DR1: 0000000000000000 DR2: 0000000000000000
>> Sep 30 09:47:44 n8 kernel: [1702585.414744] DR3: 0000000000000000 
>> DR6: 00000000ffff0ff0 DR7: 0000000000000400
>> Sep 30 09:47:44 n8 kernel: [1702585.414801] Process umount (pid: 
>> 26626, threadinfo ffff8102f1d94000, task ffff81040ec617d0)
>> Sep 30 09:47:44 n8 kernel: [1702585.414861] Stack:  ffff8102891b8280 
>> ffffffff00000008 ffff810317045b30 ffffffff80682c00
>> Sep 30 09:47:44 n8 kernel: [1702585.414931]  ffffffff80682c00 
>> ffff81041190f0b8 ffff81041190f250 ffff81041190f268
>> Sep 30 09:47:44 n8 kernel: [1702585.414996]  ffff81037b08d300 
>> ffff8102f1d95ca0 ffff81041190f168 ffff81037b08d228
>> Sep 30 09:47:44 n8 kernel: [1702585.415041] Call Trace:
>> Sep 30 09:47:44 n8 kernel: [1702585.415106]  [<ffffffff80254510>] 
>> autoremove_wake_function+0x0/0x30
>> Sep 30 09:47:44 n8 kernel: [1702585.415149]  
>> [ocfs2_dlm:__dlm_lockres_unused+0x33/0x60] 
>> :ocfs2_dlm:__dlm_lockres_unused+0x33/0x60
>> Sep 30 09:47:44 n8 kernel: [1702585.415194]  
>> [ocfs2_dlm:__dlm_lockres_calc_usage+0x4f/0x200] 
>> :ocfs2_dlm:__dlm_lockres_calc_usage+0x4f/0x200
>> Sep 30 09:47:44 n8 kernel: [1702585.415254]  
>> [ocfs2_nodemanager:kref_get+0x3/0x1cf0] kref_get+0x3/0x40
>> Sep 30 09:47:44 n8 kernel: [1702585.415294]  
>> [ocfs2_dlm:dlm_unregister_domain+0x127/0x780] 
>> :ocfs2_dlm:dlm_unregister_domain+0x127/0x780
>> Sep 30 09:47:44 n8 kernel: [1702585.415359]  [<ffffffff80236510>] 
>> default_wake_function+0x0/0x10
>> Sep 30 09:47:44 n8 kernel: [1702585.415419]  [<ffffffff88477cdb>] 
>> :ocfs2:ocfs2_dlm_shutdown+0x9b/0x170
>> Sep 30 09:47:44 n8 kernel: [1702585.415471]  [<ffffffff8849d883>] 
>> :ocfs2:ocfs2_dismount_volume+0x183/0x490
>> Sep 30 09:47:44 n8 kernel: [1702585.415526]  [<ffffffff8849df20>] 
>> :ocfs2:ocfs2_put_super+0x30/0xd0
>> Sep 30 09:47:44 n8 kernel: [1702585.415567]  
>> [generic_shutdown_super+0x62/0x110] generic_shutdown_super+0x62/0x110
>> Sep 30 09:47:44 n8 kernel: [1702585.415605]  
>> [fuse:kill_block_super+0xd/0x20] kill_block_super+0xd/0x20
>> Sep 30 09:47:44 n8 kernel: [1702585.415641]  
>> [deactivate_super+0x6f/0x90] deactivate_super+0x6f/0x90
>> Sep 30 09:47:44 n8 kernel: [1702585.415680]  [sys_umount+0x6b/0x2e0] 
>> sys_umount+0x6b/0x2e0
>> Sep 30 09:47:44 n8 kernel: [1702585.415720]  [sys_newstat+0x27/0x50] 
>> sys_newstat+0x27/0x50
>> Sep 30 09:47:44 n8 kernel: [1702585.415758]  [__up_write+0x22/0x130] 
>> __up_write+0x22/0x130
>> Sep 30 09:47:44 n8 kernel: [1702585.415801]  [system_call+0x7e/0x83] 
>> system_call+0x7e/0x83
>> Sep 30 09:47:44 n8 kernel: [1702585.415840]
>> Sep 30 09:47:44 n8 kernel: [1702585.415865]
>> Sep 30 09:47:44 n8 kernel: [1702585.415866] Code: 0f 0b eb fe 48 b8 
>> 00 09 00 00 01 00 00 00 48 85 05 9b d0 fc
>> Sep 30 09:47:44 n8 kernel: [1702585.415999] RIP  
>> [ocfs2_dlm:dlm_empty_lockres+0xee0/0x17d0] 
>> :ocfs2_dlm:dlm_empty_lockres+0xee0/0x17d0
>> Sep 30 09:47:44 n8 kernel: [1702585.416061]  RSP <ffff8102f1d95be8>
>> Sep 30 09:47:44 n8 kernel: [1702585.416496] ---[ end trace 
>> ecaa160501849e7b ]---
>> Sep 30 09:47:44 n8 kernel: [1702585.416582] WARNING: at 
>> /build/buildd/linux-2.6.24/kernel/exit.c:916 do_exit()
>> Sep 30 09:47:44 n8 kernel: [1702585.416690] Pid: 26626, comm: umount 
>> Tainted: G      D 2.6.24-24-server #1
>> Sep 30 09:47:44 n8 kernel: [1702585.416776]
>> Sep 30 09:47:44 n8 kernel: [1702585.416776] Call Trace:
>> Sep 30 09:47:44 n8 kernel: [1702585.416934]  [do_exit+0x7ac/0x940] 
>> do_exit+0x7ac/0x940
>> Sep 30 09:47:44 n8 kernel: [1702585.417025]  [oops_end+0x34/0x60] 
>> oops_end+0x34/0x60
>> Sep 30 09:47:44 n8 kernel: [1702585.417115]  [die+0x52/0x70] 
>> die+0x52/0x70
>> Sep 30 09:47:44 n8 kernel: [1702585.417200]  
>> [do_invalid_op+0x86/0xa0] do_invalid_op+0x86/0xa0
>> Sep 30 09:47:44 n8 kernel: [1702585.417290]  
>> [ocfs2_dlm:dlm_empty_lockres+0xee0/0x17d0] 
>> :ocfs2_dlm:dlm_empty_lockres+0xee0/0x17d0
>> Sep 30 09:47:44 n8 kernel: [1702585.417382]  
>> [try_to_wake_up+0x66/0x3c0] try_to_wake_up+0x66/0x3c0
>> Sep 30 09:47:44 n8 kernel: [1702585.417473]  [sg:printk+0x4e/0x150] 
>> printk+0x4e/0x60
>> Sep 30 09:47:44 n8 kernel: [1702585.417562]  [error_exit+0x0/0x51] 
>> error_exit+0x0/0x51
>> Sep 30 09:47:44 n8 kernel: [1702585.417650]  
>> [flat_send_IPI_mask+0x0/0x70] flat_send_IPI_mask+0x0/0x70
>> Sep 30 09:47:44 n8 kernel: [1702585.417747]  
>> [ocfs2_dlm:dlm_empty_lockres+0xee0/0x17d0] 
>> :ocfs2_dlm:dlm_empty_lockres+0xee0/0x17d0
>> Sep 30 09:47:44 n8 kernel: [1702585.417842]  
>> [ocfs2_dlm:dlm_empty_lockres+0xee0/0x17d0] 
>> :ocfs2_dlm:dlm_empty_lockres+0xee0/0x17d0
>> Sep 30 09:47:44 n8 kernel: [1702585.417939]  [<ffffffff80254510>] 
>> autoremove_wake_function+0x0/0x30
>> Sep 30 09:47:44 n8 kernel: [1702585.418031]  
>> [ocfs2_dlm:__dlm_lockres_unused+0x33/0x60] 
>> :ocfs2_dlm:__dlm_lockres_unused+0x33/0x60
>> Sep 30 09:47:44 n8 kernel: [1702585.418126]  
>> [ocfs2_dlm:__dlm_lockres_calc_usage+0x4f/0x200] 
>> :ocfs2_dlm:__dlm_lockres_calc_usage+0x4f/0x200
>> Sep 30 09:47:44 n8 kernel: [1702585.418237]  
>> [ocfs2_nodemanager:kref_get+0x3/0x1cf0] kref_get+0x3/0x40
>> Sep 30 09:47:44 n8 kernel: [1702585.418328]  
>> [ocfs2_dlm:dlm_unregister_domain+0x127/0x780] 
>> :ocfs2_dlm:dlm_unregister_domain+0x127/0x780
>> Sep 30 09:47:44 n8 kernel: [1702585.418433]  [<ffffffff80236510>] 
>> default_wake_function+0x0/0x10
>> Sep 30 09:47:44 n8 kernel: [1702585.418527]  [<ffffffff88477cdb>] 
>> :ocfs2:ocfs2_dlm_shutdown+0x9b/0x170
>> Sep 30 09:47:44 n8 kernel: [1702585.418619]  [<ffffffff8849d883>] 
>> :ocfs2:ocfs2_dismount_volume+0x183/0x490
>> Sep 30 09:47:44 n8 kernel: [1702585.418716]  [<ffffffff8849df20>] 
>> :ocfs2:ocfs2_put_super+0x30/0xd0
>> Sep 30 09:47:44 n8 kernel: [1702585.418797]  
>> [generic_shutdown_super+0x62/0x110] generic_shutdown_super+0x62/0x110
>> Sep 30 09:47:44 n8 kernel: [1702585.418879]  
>> [fuse:kill_block_super+0xd/0x20] kill_block_super+0xd/0x20
>> Sep 30 09:47:44 n8 kernel: [1702585.418957]  
>> [deactivate_super+0x6f/0x90] deactivate_super+0x6f/0x90
>> Sep 30 09:47:44 n8 kernel: [1702585.419042]  [sys_umount+0x6b/0x2e0] 
>> sys_umount+0x6b/0x2e0
>> Sep 30 09:47:44 n8 kernel: [1702585.419124]  [sys_newstat+0x27/0x50] 
>> sys_newstat+0x27/0x50
>> Sep 30 09:47:44 n8 kernel: [1702585.419204]  [__up_write+0x22/0x130] 
>> __up_write+0x22/0x130
>> Sep 30 09:47:44 n8 kernel: [1702585.419286]  [system_call+0x7e/0x83] 
>> system_call+0x7e/0x83
>> Sep 30 09:47:44 n8 kernel: [1702585.419368]
>>
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