[Ocfs2-users] remove locks? or copy the whole file?

[Aleks Clark]

Nick, I don't think so, it's a 2tb partition with only 300gb used.

Herb,


Jul  3 14:47:26 castor kernel: [3488036.578659]
(25326,0):ocfs2_rotate_tree_right:2483 ERROR: bug expression:
path_leaf_bh(left_path) == path_leaf_bh(right_path)
Jul  3 14:47:26 castor kernel: [3488036.578714]
(25326,0):ocfs2_rotate_tree_right:2483 ERROR: Owner 18319883: error
during insert of 15761664 (left path cpos 20725762) results in two
identical paths ending at 395267
Jul  3 14:47:26 castor kernel: [3488036.578800] ------------[ cut here
]------------
Jul  3 14:47:26 castor kernel: [3488036.578826] kernel BUG at
/build/buildd-linux-2.6_2.6.32-38-amd64-bk66e4/linux-2.6-2.6.32/debian/build/source_amd64_none/fs/ocfs2/alloc.c:2483!
Jul  3 14:47:26 castor kernel: [3488036.578881] invalid opcode: 0000 [#1] SMP
Jul  3 14:47:26 castor kernel: [3488036.578909] last sysfs file:
/sys/devices/virtual/net/lo/operstate
Jul  3 14:47:26 castor kernel: [3488036.578937] CPU 0
Jul  3 14:47:26 castor kernel: [3488036.578960] Modules linked in:
drbd tun ocfs2 jbd2 quota_tree raid0 ip6table_filter ip6_tables
iptable_filter ip_tables sha1_generic ebtable_nat ebtables hmac
x_tables lru_cache cn kvm_intel kvm ocfs2_dlmfs ocfs2_stack_o2cb
ocfs2_dlm ocfs2_nodemanager ocfs2_stackglue configfs bridge stp loop
md_mod snd_pcm snd_timer snd soundcore snd_page_alloc i2c_i801
i2c_core pcspkr processor button psmouse joydev evdev serio_raw usbhid
hid ext3 jbd mbcache dm_mod sd_mod crc_t10dif ahci ehci_hcd libata
usbcore scsi_mod e1000e nls_base thermal thermal_sys [last unloaded:
drbd]
Jul  3 14:47:26 castor kernel: [3488036.579279] Pid: 25326, comm: kvm
Not tainted 2.6.32-5-amd64 #1 X9SCL/X9SCM
Jul  3 14:47:26 castor kernel: [3488036.579309] RIP:
0010:[<ffffffffa041177b>]  [<ffffffffa041177b>]
ocfs2_do_insert_extent+0x5dc/0x1aaf [ocfs2]
Jul  3 14:47:26 castor kernel: [3488036.579363] RSP:
0018:ffff880014839688  EFLAGS: 00010292
Jul  3 14:47:26 castor kernel: [3488036.579390] RAX: 00000000000000bf
RBX: 0000000000060803 RCX: 0000000000001806
Jul  3 14:47:26 castor kernel: [3488036.579435] RDX: 0000000000000000
RSI: 0000000000000096 RDI: 0000000000000246
Jul  3 14:47:26 castor kernel: [3488036.579479] RBP: ffff8800148398a8
R08: 00000000000209d0 R09: 000000000000000a
Jul  3 14:47:26 castor kernel: [3488036.579524] R10: 0000000000000000
R11: 0000000100000000 R12: 00000000013c4002
Jul  3 14:47:26 castor kernel: [3488036.579568] R13: ffff88002a1e4030
R14: 0000000000000001 R15: ffff88023c153c60
Jul  3 14:47:26 castor kernel: [3488036.579613] FS:
00007f0cfef83700(0000) GS:ffff880008a00000(0000)
knlGS:0000000000000000
Jul  3 14:47:26 castor kernel: [3488036.579659] CS:  0010 DS: 002b ES:
002b CR0: 000000008005003b
Jul  3 14:47:26 castor kernel: [3488036.579687] CR2: 00007f0d25dbf000
CR3: 000000023ccb6000 CR4: 00000000000426e0
Jul  3 14:47:26 castor kernel: [3488036.579732] DR0: 0000000000000000
DR1: 0000000000000000 DR2: 0000000000000000
Jul  3 14:47:26 castor kernel: [3488036.579776] DR3: 0000000000000000
DR6: 00000000ffff0ff0 DR7: 0000000000000400
Jul  3 14:47:26 castor kernel: [3488036.579821] Process kvm (pid:
25326, threadinfo ffff880014838000, task ffff88023b999c40)
Jul  3 14:47:26 castor kernel: [3488036.579867] Stack:
Jul  3 14:47:26 castor kernel: [3488036.579887]  0000000000f08100
00000000013c4002 0000000000060803 ffff880014839718
Jul  3 14:47:26 castor kernel: [3488036.579923] <0> ffff880232abde80
ffff88023b999c40 ffff88023b999c40 ffff8800148397a8
Jul  3 14:47:26 castor kernel: [3488036.579977] <0> ffff8800148397c8
ffff8800148398a8 ffff88023d8027f8 0000000000f08100
Jul  3 14:47:26 castor kernel: [3488036.580047] Call Trace:
Jul  3 14:47:26 castor kernel: [3488036.580074]  [<ffffffffa04186b9>]
? ocfs2_insert_extent+0x5fb/0x6e6 [ocfs2]
Jul  3 14:47:26 castor kernel: [3488036.580108]  [<ffffffffa0442e08>]
? __ocfs2_journal_access+0x261/0x32a [ocfs2]
Jul  3 14:47:26 castor kernel: [3488036.580156]  [<ffffffffa04194da>]
? ocfs2_add_clusters_in_btree+0x35f/0x53c [ocfs2]
Jul  3 14:47:26 castor kernel: [3488036.580205]  [<ffffffffa0436a34>]
? ocfs2_add_inode_data+0x62/0x6e [ocfs2]
Jul  3 14:47:26 castor kernel: [3488036.580239]  [<ffffffffa0442f53>]
? ocfs2_journal_access_di+0x0/0xf [ocfs2]
Jul  3 14:47:26 castor kernel: [3488036.580272]  [<ffffffffa041c1d5>]
? ocfs2_write_begin_nolock+0x1376/0x1de2 [ocfs2]
Jul  3 14:47:26 castor kernel: [3488036.580321]  [<ffffffffa0466e02>]
? ocfs2_set_buffer_uptodate+0x15/0x60e [ocfs2]
Jul  3 14:47:26 castor kernel: [3488036.580370]  [<ffffffffa043a9a5>]
? ocfs2_validate_inode_block+0x0/0x1ab [ocfs2]
Jul  3 14:47:26 castor kernel: [3488036.580418]  [<ffffffffa0442f53>]
? ocfs2_journal_access_di+0x0/0xf [ocfs2]
Jul  3 14:47:26 castor kernel: [3488036.580451]  [<ffffffffa041cd57>]
? ocfs2_write_begin+0x116/0x1d2 [ocfs2]
Jul  3 14:47:26 castor kernel: [3488036.580484]  [<ffffffff810b4fd0>]
? generic_file_buffered_write+0x118/0x278
Jul  3 14:47:26 castor kernel: [3488036.580515]  [<ffffffff810b54e1>]
? __generic_file_aio_write+0x25f/0x293
Jul  3 14:47:26 castor kernel: [3488036.580548]  [<ffffffffa0434fc8>]
? ocfs2_prepare_inode_for_write+0x683/0x69c [ocfs2]
Jul  3 14:47:26 castor kernel: [3488036.580597]  [<ffffffffa042c4e2>]
? ocfs2_rw_lock+0x16d/0x239 [ocfs2]
Jul  3 14:47:26 castor kernel: [3488036.580628]  [<ffffffffa0435b19>]
? ocfs2_file_aio_write+0x45f/0x5da [ocfs2]
Jul  3 14:47:26 castor kernel: [3488036.580674]  [<ffffffff8101654b>]
? sched_clock+0x5/0x8
Jul  3 14:47:26 castor kernel: [3488036.580703]  [<ffffffff8104a4cc>]
? default_wake_function+0x0/0x9
Jul  3 14:47:26 castor kernel: [3488036.580733]  [<ffffffff810eebf2>]
? do_sync_write+0xce/0x113
Jul  3 14:47:26 castor kernel: [3488036.580762]  [<ffffffff81064f92>]
? autoremove_wake_function+0x0/0x2e
Jul  3 14:47:26 castor kernel: [3488036.580792]  [<ffffffff8105cd26>]
? kill_pid_info+0x31/0x3b
Jul  3 14:47:26 castor kernel: [3488036.580819]  [<ffffffff8105cefc>]
? sys_kill+0x72/0x140
Jul  3 14:47:26 castor kernel: [3488036.580847]  [<ffffffff810ef544>]
? vfs_write+0xa9/0x102
Jul  3 14:47:26 castor kernel: [3488036.580875]  [<ffffffff810ef5f4>]
? sys_pwrite64+0x57/0x77
Jul  3 14:47:26 castor kernel: [3488036.580902]  [<ffffffff81010b42>]
? system_call_fastpath+0x16/0x1b
Jul  3 14:47:26 castor kernel: [3488036.580930] Code: 41 b8 b3 09 00
00 48 63 d2 48 c7 c7 6f 48 48 a0 89 0c 24 31 c0 48 c7 c1 c0 df 47 a0
48 89 5c 24 10 44 89 64 24 08 e8 5c 91 ee e0 <0f> 0b eb fe 83 7c 24 5c
00 75 1a 49 8b 54 17 08 8b 5c 24 58 0f
Jul  3 14:47:26 castor kernel: [3488036.581120] RIP
[<ffffffffa041177b>] ocfs2_do_insert_extent+0x5dc/0x1aaf [ocfs2]
Jul  3 14:47:26 castor kernel: [3488036.581167]  RSP <ffff880014839688>
Jul  3 14:47:26 castor kernel: [3488036.581581] ---[ end trace
fb597ecc3418e6d6 ]---


On Tue, Jul 3, 2012 at 5:39 PM, Herbert van den Bergh
<herbert.van.den.bergh at oracle.com> wrote:
> On 07/03/2012 04:12 PM, Aleks Clark wrote:
>>
>> Ok, so I've got this ocfs2 cluster that's been running for a long
>> while, hosting my VMs. All of the sudden I'm getting kernel panics
>> originating from ocfs2 when trying to spin up one particular file.
>> I've determined that there are several locks on this file, one of them
>> exclusive. I restarted the whole cluster to try to get rid of it, but
>> no go. I also tried to copy the file, both on and off of the cluster,
>> but only half of it copied. Any way to get around either issue would
>> be appreciated.
>
>
> The panic stack may be helpful, and any messages that the kernel spit out
> before it.
>
> Thanks,
> Herbert.
>
>



-- 
Aleks Clark