[Ocfs2-users] Panic

Sunil Mushran sunil.mushran at oracle.com
Wed Oct 7 10:12:59 PDT 2009 

Are you exporting this volume via nfs? We fixed a small race (in the nfs
access path) that could lead to this oops.

Laurence Mayer wrote:
> Hi again,
>  
> 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
>  
> I received this panic on the 5th Oct, I cannot work out why this has 
> started to happen.
> Please please can you provide directions.
> Let me know if you require any further details or information.
>  
> Oct  5 10:21:22 n1 kernel: [1006473.993681] 
> (1387,3):ocfs2_meta_lock_update:1675 ERROR: bug expression: 
> inode->i_generation != le32_to_cpu(fe->i_generation)
> Oct  5 10:21:22 n1 kernel: [1006473.993756] 
> (1387,3):ocfs2_meta_lock_update:1675 ERROR: Invalid dinode 3064741 
> disk generation: 1309441612 inode->i_generation: 13
> 09441501
> Oct  5 10:21:22 n1 kernel: [1006473.993865] ------------[ cut here 
> ]------------
> Oct  5 10:21:22 n1 kernel: [1006473.993896] kernel BUG at 
> /build/buildd/linux-2.6.24/fs/ocfs2/dlmglue.c:1675!
> Oct  5 10:21:22 n1 kernel: [1006473.993949] invalid opcode: 0000 [3] SMP
> Oct  5 10:21:22 n1 kernel: [1006473.993982] CPU 3
> Oct  5 10:21:22 n1 kernel: [1006473.994008] Modules linked in: ocfs2 
> crc32c libcrc32c nfsd auth_rpcgss exportfs ipmi_devintf ipmi_si 
> ipmi_msghandler ipv6 ocfs2_dlmfs ocfs2_dlm ocfs2_nodemanager configfs 
> iptable_filter ip_tables x_tables xfs 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 parport_pc lp parport loop serio_raw psmouse 
> i2c_piix4 i2c_core dcdbas evdev button k8temp shpchp pci_hotplug 
> pcspkr ext3 jbd mbcache sg sr_mod cdrom sd_mod ata_generic pata_acpi 
> usbhid hid ehci_hcd tg3 sata_svw pata_serverworks ohci_hcd libata 
> scsi_mod usbcore thermal processor fan fbcon tileblit font bitblit 
> softcursor fuse
> Oct  5 10:21:22 n1 kernel: [1006473.994445] Pid: 1387, comm: R 
> Tainted: G      D 2.6.24-24-server #1
> Oct  5 10:21:22 n1 kernel: [1006473.994479] RIP: 
> 0010:[<ffffffff8856c404>]  [<ffffffff8856c404>] 
> :ocfs2:ocfs2_meta_lock_full+0x6a4/0xec0
> Oct  5 10:21:22 n1 kernel: [1006473.994558] RSP: 
> 0018:ffff8101238f9d58  EFLAGS: 00010296
> Oct  5 10:21:22 n1 kernel: [1006473.994590] RAX: 0000000000000093 RBX: 
> ffff8102eaf03000 RCX: 00000000ffffffff
> Oct  5 10:21:22 n1 kernel: [1006473.994642] RDX: 00000000ffffffff RSI: 
> 0000000000000000 RDI: ffffffff8058ffa4
> Oct  5 10:21:22 n1 kernel: [1006473.994694] RBP: 0000000100080000 R08: 
> 0000000000000000 R09: 00000000ffffffff
> Oct  5 10:21:22 n1 kernel: [1006473.994746] R10: 0000000000000000 R11: 
> 0000000000000000 R12: ffff81012599ee00
> Oct  5 10:21:22 n1 kernel: [1006473.994799] R13: ffff81012599ef08 R14: 
> ffff81012599f2b8 R15: ffff81012599ef08
> Oct  5 10:21:22 n1 kernel: [1006473.994851] FS:  
> 00002b3802fed670(0000) GS:ffff810418022c80(0000) knlGS:00000000f546bb90
> Oct  5 10:21:22 n1 kernel: [1006473.994906] CS:  0010 DS: 0000 ES: 
> 0000 CR0: 000000008005003b
> Oct  5 10:21:22 n1 kernel: [1006473.994938] CR2: 00007f5db5542000 CR3: 
> 0000000167ddf000 CR4: 00000000000006e0
> Oct  5 10:21:22 n1 kernel: [1006473.994990] DR0: 0000000000000000 DR1: 
> 0000000000000000 DR2: 0000000000000000
> Oct  5 10:21:22 n1 kernel: [1006473.995042] DR3: 0000000000000000 DR6: 
> 00000000ffff0ff0 DR7: 0000000000000400
> Oct  5 10:21:22 n1 kernel: [1006473.995095] Process R (pid: 1387, 
> threadinfo ffff8101238f8000, task ffff8104110cc000)
> Oct  5 10:21:22 n1 kernel: [1006473.995148] Stack:  000000004e0c7e4c 
> ffff81044e0c7ddd ffff8101a3b4d2b8 00000000802c34c0
> Oct  5 10:21:22 n1 kernel: [1006473.995212]  0000000000000000 
> 0000000100000000 ffffffff80680c00 00000000804715e2
> Oct  5 10:21:22 n1 kernel: [1006473.995272]  0000000100000000 
> ffff8101238f9e48 ffff810245558b80 ffff81031e358680
> Oct  5 10:21:22 n1 kernel: [1006473.995313] Call Trace:
> Oct  5 10:21:22 n1 kernel: [1006473.995380]  [<ffffffff8857d03f>] 
> :ocfs2:ocfs2_inode_revalidate+0x5f/0x290
> Oct  5 10:21:22 n1 kernel: [1006473.995427]  [<ffffffff88577fe6>] 
> :ocfs2:ocfs2_getattr+0x56/0x1c0
> Oct  5 10:21:22 n1 kernel: [1006473.995470]  [vfs_stat_fd+0x46/0x80] 
> vfs_stat_fd+0x46/0x80
> Oct  5 10:21:22 n1 kernel: [1006473.995514]  [<ffffffff88569634>] 
> :ocfs2:ocfs2_meta_unlock+0x1b4/0x210
> Oct  5 10:21:22 n1 kernel: [1006473.995553]  [filldir+0x0/0xf0] 
> filldir+0x0/0xf0
> Oct  5 10:21:22 n1 kernel: [1006473.995594]  [<ffffffff8856799e>] 
> :ocfs2:ocfs2_readdir+0xce/0x230
> Oct  5 10:21:22 n1 kernel: [1006473.995631]  [sys_newstat+0x27/0x50] 
> sys_newstat+0x27/0x50
> Oct  5 10:21:22 n1 kernel: [1006473.995664]  [vfs_readdir+0xa5/0xd0] 
> vfs_readdir+0xa5/0xd0
> Oct  5 10:21:22 n1 kernel: [1006473.995699]  [sys_getdents+0xcf/0xe0] 
> sys_getdents+0xcf/0xe0
> Oct  5 10:21:22 n1 kernel: [1006473.997568]  [system_call+0x7e/0x83] 
> system_call+0x7e/0x83
> Oct  5 10:21:22 n1 kernel: [1006473.997605]
> Oct  5 10:21:22 n1 kernel: [1006473.997627]
> Oct  5 10:21:22 n1 kernel: [1006473.997628] Code: 0f 0b eb fe 83 fd fe 
> 0f 84 73 fc ff ff 81 fd 00 fe ff ff 0f
> Oct  5 10:21:22 n1 kernel: [1006473.997745] RIP  [<ffffffff8856c404>] 
> :ocfs2:ocfs2_meta_lock_full+0x6a4/0xec0
> Oct  5 10:21:22 n1 kernel: [1006473.997808]  RSP <ffff8101238f9d58>
>  
>  
> Thanks
> Laurence
> ------------------------------------------------------------------------
>
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