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

Tue Jul 3 23:42:30 PDT 2012

Because it's unsafe to do any I/O at that point.  We'd rather you have
to reboot than scribble more bad data on your disk!

Joel

On Tue, Jul 03, 2012 at 11:35:32PM -0700, Aleks Clark wrote:
> it said 'clean' and exited. Working on bringing the cluster down. Is
> there a reason why, after the kernel panics, ocfs2 makes all i/o
> block? I can't even unmount the filesystem on any node, I have to
> actually reboot it.
> 
> On Tue, Jul 3, 2012 at 11:17 PM, Joel Becker <jlbec at evilplan.org> wrote:
> > On Tue, Jul 03, 2012 at 06:57:53PM -0700, Aleks Clark wrote:
> >> well, by 'clean', it said it was clean. the locks persisted though. I
> >> seriously can't believe there's no way to force lock removal. is it
> >> just a file somewhere I can delete?
> >
> > There's no lock hanging around past a full restart.  This looks like
> > on-disk corruption.  Did fsck.ocfs2 say that it run multiple passes, or
> > just say "clean" and exit?  Please try fsck.ocfs2 with the '-f' flag
> > (obviously with the filesystem not mounted on ANY node).
> >
> > Joel
> >
> >>
> >>
> >> On Tue, Jul 3, 2012 at 6:56 PM, Aleks Clark <aleks.clark at gmail.com> wrote:
> >> > yep, tried that, returned clean.
> >> >
> >> > On Tue, Jul 3, 2012 at 6:25 PM, herbert van.den.bergh
> >> > <herbert.van.den.bergh at oracle.com> wrote:
> >> >>
> >> >> One more thing: did you try running fsck.ocfs2 on it?
> >> >>
> >> >> Thanks,
> >> >> Herbert.
> >> >>
> >> >>
> >> >> On 7/3/2012 6:23 PM, herbert van.den.bergh wrote:
> >> >>>
> >> >>> Hmm doesn't mean much to me, but maybe to someone else on the list.  But
> >> >>> I bet their first suggestion will be to try a recent kernel...
> >> >>>
> >> >>> Thanks,
> >> >>> Herbert.
> >> >>>
> >> >>> On 7/3/2012 6:19 PM, Aleks Clark wrote:
> >> >>>>
> >> >>>> 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.
> >> >>>>>
> >> >>>>>
> >> >>>>
> >> >>> _______________________________________________
> >> >>> Ocfs2-users mailing list
> >> >>> Ocfs2-users at oss.oracle.com
> >> >>> https://oss.oracle.com/mailman/listinfo/ocfs2-users
> >> >
> >> >
> >> >
> >> > --
> >> > Aleks Clark
> >>
> >>
> >>
> >> --
> >> Aleks Clark
> >>
> >> _______________________________________________
> >> Ocfs2-users mailing list
> >> Ocfs2-users at oss.oracle.com
> >> https://oss.oracle.com/mailman/listinfo/ocfs2-users
> >
> > --
> >
> >  Joel's First Law:
> >
> >         Nature abhors a GUI.
> >
> >                         http://www.jlbec.org/
> >                         jlbec at evilplan.org
> 
> 
> 
> -- 
> Aleks Clark
> 
> _______________________________________________
> Ocfs2-users mailing list
> Ocfs2-users at oss.oracle.com
> https://oss.oracle.com/mailman/listinfo/ocfs2-users

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 like a woman scorn'd."
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