On 17 February 2021 13:45:02 GMT+00:00, Hugo Mills <h...@carfax.org.uk> wrote:
>On Wed, Feb 17, 2021 at 01:26:40PM +0000, Samir Benmendil wrote:
>> Hello list,
>> 
>> I've just had my btrfs volume remounted read-only, the logs read as such:
>> 
>>    BTRFS critical (device dm-0): corrupt leaf: root=2 block=711870922752 
>> slot=275, bad key order, prev (693626798080 182 702129324032) current 
>> (693626798080 182 701861986304)
>>    BTRFS info (device dm-0): leaf 711870922752 gen 610518 total ptrs 509 
>> free space 276 owner 2
>>    <snip>    BTRFS error (device dm-0): block=711870922752 write time tree
>> block corruption detected
>>    BTRFS: error (device dm-0) in btrfs_commit_transaction:2376: errno=-5 IO 
>> failure (Error while writing out transaction)
>>    BTRFS info (device dm-0): forced readonly
>>    BTRFS warning (device dm-0): Skipping commit of aborted transaction.
>>    BTRFS: error (device dm-0) in cleanup_transaction:1941: errno=-5 IO 
>> failure
>> 
>> It's seems this coincided with a scheduled snapshot creation on that drive.
>> 
>> Any advice on what to do next would be appreciated.
>
>   The first thing to do is run memtest for a while (I'd usually
>recomment at least overnight) to identify your broken RAM module and
>replace it. Don't try using the machine normally until you've done
>that.

Thanks Hugo. 

Memtest just finished it's first pass with no errors, but printed a note 
regarding vulnerability to high freq row hammer bit flips. 

I'll keep it running for a while longer. 

>
>   This looks like a single-bit error (a 1 bit changing to a 0 bit in
>this case):
>
>>>> hex(702129324032)
>'0xa37a2b4000'
>>>> hex(701861986304)
>'0xa36a3c0000'
>
>   Note the 7 changing to a 6 -- these values should be increasing in
>value, not decreasing.
>
>   The write-time checker is doing exactly what it should be doing,
>and preventing obviously-broken metadata reaching your filesystem.
>Once you've fixed the hardware (and only then), I'd recommend running
>a btrfs check --readonly just to make sure that there aren't any
>obvious errors that made it through to disk.
>
>   Hugo.
>
>> Thanks in advance.
>> 
>> $ uname -a
>> Linux hactar 5.10.15-arch1-1 #1 SMP PREEMPT Wed, 10 Feb 2021 18:32:40 +0000 
>> x86_64 GNU/Linux
>> $ btrfs version
>> btrfs-progs v5.10.1
>
>> -- Journal begins at Sat 2020-03-28 20:39:35 GMT, ends at Wed 2021-02-17 
>> 13:15:01 GMT. --
>> Feb 17 11:00:34 hactar kernel: BTRFS critical (device dm-0): corrupt leaf: 
>> root=2 block=711870922752 slot=275, bad key order, prev (693626798080 182 
>> 702129324032) current (693626798080 182 701861986304)
>> Feb 17 11:00:34 hactar kernel: BTRFS info (device dm-0): leaf 711870922752 
>> gen 610518 total ptrs 509 free space 276 owner 2
>> Feb 17 11:00:34 hactar kernel:         item 0 key (693626765312 169 0) 
>> itemoff 15458 itemsize 825
>> Feb 17 11:00:34 hactar kernel:                 extent refs 89 gen 592321 
>> flags 258
>> Feb 17 11:00:34 hactar kernel:                 ref#0: shared block backref 
>> parent 693646163968
>> Feb 17 11:00:34 hactar kernel:                 ref#1: shared block backref 
>> parent 693628502016
>> Feb 17 11:00:34 hactar kernel:                 ref#2: shared block backref 
>> parent 693614460928
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>> parent 693603991552
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>> parent 693527379968
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>> parent 693490483200
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>> parent 693444968448
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>> parent 693442478080
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>> parent 693438906368
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>> parent 693433057280
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>> parent 693408710656
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>> parent 693221130240
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>> parent 693214494720
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>> parent 693201338368
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>> parent 692958543872
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>> Feb 17 11:00:34 hactar kernel:                 ref#88: shared block backref 
>> parent 564631715840
>> Feb 17 11:00:34 hactar kernel:         item 1 key (693626781696 169 0) 
>> itemoff 14975 itemsize 483
>> Feb 17 11:00:34 hactar kernel:                 extent refs 51 gen 592321 
>> flags 258
>> Feb 17 11:00:34 hactar kernel:                 ref#0: shared block backref 
>> parent 693646163968
>> Feb 17 11:00:34 hactar kernel:                 ref#1: shared block backref 
>> parent 693628502016
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>> Feb 17 11:00:34 hactar kernel:                 shared block backref
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>> Feb 17 11:00:34 hactar kernel:                 shared block backref
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>> Feb 17 11:00:34 hactar kernel:                 shared block backref
>> Feb 17 11:00:34 hactar kernel:         item 114 key (693626798080 182 
>> 692756398080) itemoff 13988 itemsize 0
>> Feb 17 11:00:34 hactar kernel:                 shared block backref
>> Feb 17 11:00:34 hactar kernel:         item 115 key (693626798080 182 
>> 692765081600) itemoff 13988 itemsize 0
>> Feb 17 11:00:34 hactar kernel:                 shared block backref
>> Feb 17 11:00:34 hactar kernel:         item 116 key (693626798080 182 
>> 692775256064) itemoff 13988 itemsize 0
>> Feb 17 11:00:34 hactar kernel:                 shared block backref
>> Feb 17 11:00:34 hactar kernel:         item 117 key (693626798080 182 
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>> Feb 17 11:00:34 hactar kernel:                 shared block backref
>> Feb 17 11:00:34 hactar kernel:         item 118 key (693626798080 182 
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>> Feb 17 11:00:34 hactar kernel:                 shared block backref
>> Feb 17 11:00:34 hactar kernel:         item 119 key (693626798080 182 
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>> Feb 17 11:00:34 hactar kernel:                 shared block backref
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>> Feb 17 11:00:34 hactar kernel:                 shared block backref
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>> Feb 17 11:00:34 hactar kernel:                 shared block backref
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>> Feb 17 11:00:34 hactar kernel:                 shared block backref
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>> Feb 17 11:00:34 hactar kernel:                 shared block backref
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>> Feb 17 11:00:34 hactar kernel:                 shared block backref
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>> Feb 17 11:00:34 hactar kernel:                 shared block backref
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>> Feb 17 11:00:34 hactar kernel:                 shared block backref
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>> Feb 17 11:00:34 hactar kernel:                 shared block backref
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>> Feb 17 11:00:34 hactar kernel:                 shared block backref
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>> Feb 17 11:00:34 hactar kernel:                 shared block backref
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>> Feb 17 11:00:34 hactar kernel:                 shared block backref
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>> Feb 17 11:00:34 hactar kernel:                 shared block backref
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>> Feb 17 11:00:34 hactar kernel:                 shared block backref
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>> Feb 17 11:00:34 hactar kernel:                 shared block backref
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>> Feb 17 11:00:34 hactar kernel:                 shared block backref
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>> Feb 17 11:00:34 hactar kernel:                 shared block backref
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>> Feb 17 11:00:34 hactar kernel:                 shared block backref
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>> Feb 17 11:00:34 hactar kernel:                 shared block backref
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>> Feb 17 11:00:34 hactar kernel:                 shared block backref
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>> Feb 17 11:00:34 hactar kernel:                 shared block backref
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>> Feb 17 11:00:34 hactar kernel:                 shared block backref
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>> Feb 17 11:00:34 hactar kernel:                 shared block backref
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>> Feb 17 11:00:34 hactar kernel:                 shared block backref
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>> Feb 17 11:00:34 hactar kernel:                 shared block backref
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>> Feb 17 11:00:34 hactar kernel:                 shared block backref
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>> Feb 17 11:00:34 hactar kernel:                 shared block backref
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>> Feb 17 11:00:34 hactar kernel:                 shared block backref
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>> Feb 17 11:00:34 hactar kernel:                 shared block backref
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>> Feb 17 11:00:34 hactar kernel:                 shared block backref
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>> Feb 17 11:00:34 hactar kernel:                 shared block backref
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>> Feb 17 11:00:34 hactar kernel:                 shared block backref
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>> Feb 17 11:00:34 hactar kernel:                 shared block backref
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>> Feb 17 11:00:34 hactar kernel:                 shared block backref
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>> Feb 17 11:00:34 hactar kernel:                 shared block backref
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>> Feb 17 11:00:34 hactar kernel:                 shared block backref
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>> Feb 17 11:00:34 hactar kernel:                 shared block backref
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>> Feb 17 11:00:34 hactar kernel:                 shared block backref
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>> Feb 17 11:00:34 hactar kernel:                 shared block backref
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>> Feb 17 11:00:34 hactar kernel:                 shared block backref
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>> Feb 17 11:00:34 hactar kernel:                 shared block backref
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>> Feb 17 11:00:34 hactar kernel:                 shared block backref
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>> Feb 17 11:00:34 hactar kernel:                 shared block backref
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>> Feb 17 11:00:34 hactar kernel:                 shared block backref
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>> Feb 17 11:00:34 hactar kernel:                 shared block backref
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>> Feb 17 11:00:34 hactar kernel:                 shared block backref
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>> Feb 17 11:00:34 hactar kernel:                 shared block backref
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>> Feb 17 11:00:34 hactar kernel:                 shared block backref
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>> Feb 17 11:00:34 hactar kernel:                 shared block backref
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>> Feb 17 11:00:34 hactar kernel:                 shared block backref
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>> Feb 17 11:00:34 hactar kernel:                 shared block backref
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>> Feb 17 11:00:34 hactar kernel:                 shared block backref
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>> Feb 17 11:00:34 hactar kernel:                 shared block backref
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>> Feb 17 11:00:34 hactar kernel:                 shared block backref
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>> Feb 17 11:00:34 hactar kernel:                 shared block backref
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>> Feb 17 11:00:34 hactar kernel:                 shared block backref
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>> Feb 17 11:00:34 hactar kernel:                 shared block backref
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>> Feb 17 11:00:34 hactar kernel:                 shared block backref
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>> Feb 17 11:00:34 hactar kernel:                 shared block backref
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>> Feb 17 11:00:34 hactar kernel:                 shared block backref
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>> Feb 17 11:00:34 hactar kernel:                 shared block backref
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>> Feb 17 11:00:34 hactar kernel:                 shared block backref
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>> Feb 17 11:00:34 hactar kernel:                 shared block backref
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>> Feb 17 11:00:34 hactar kernel:                 shared block backref
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>> Feb 17 11:00:34 hactar kernel:                 shared block backref
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>> Feb 17 11:00:34 hactar kernel:                 shared block backref
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>> Feb 17 11:00:34 hactar kernel:                 shared block backref
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>> Feb 17 11:00:34 hactar kernel:                 shared block backref
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>> Feb 17 11:00:34 hactar kernel:                 shared block backref
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>> Feb 17 11:00:34 hactar kernel:                 shared block backref
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>> Feb 17 11:00:34 hactar kernel:                 shared block backref
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>> Feb 17 11:00:34 hactar kernel:                 shared block backref
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>> Feb 17 11:00:34 hactar kernel:                 shared block backref
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>> Feb 17 11:00:34 hactar kernel:                 shared block backref
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>> Feb 17 11:00:34 hactar kernel:                 shared block backref
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>> Feb 17 11:00:34 hactar kernel:                 shared block backref
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>> Feb 17 11:00:34 hactar kernel:                 shared block backref
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>> Feb 17 11:00:34 hactar kernel:                 shared block backref
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>> Feb 17 11:00:34 hactar kernel:                 shared block backref
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>> Feb 17 11:00:34 hactar kernel:                 shared block backref
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>> Feb 17 11:00:34 hactar kernel:                 shared block backref
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>> Feb 17 11:00:34 hactar kernel:                 shared block backref
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>> Feb 17 11:00:34 hactar kernel:                 shared block backref
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>> Feb 17 11:00:34 hactar kernel:                 shared block backref
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>> Feb 17 11:00:34 hactar kernel:                 shared block backref
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>> Feb 17 11:00:34 hactar kernel:                 shared block backref
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>> Feb 17 11:00:34 hactar kernel:                 shared block backref
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>> Feb 17 11:00:34 hactar kernel:                 shared block backref
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>> Feb 17 11:00:34 hactar kernel:                 shared block backref
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>> Feb 17 11:00:34 hactar kernel:                 shared block backref
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>> Feb 17 11:00:34 hactar kernel:                 shared block backref
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>> Feb 17 11:00:34 hactar kernel:                 shared block backref
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>> Feb 17 11:00:34 hactar kernel:                 shared block backref
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>> Feb 17 11:00:34 hactar kernel:                 shared block backref
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>> Feb 17 11:00:34 hactar kernel:                 shared block backref
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>> Feb 17 11:00:34 hactar kernel:                 shared block backref
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>> Feb 17 11:00:34 hactar kernel:                 shared block backref
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>> Feb 17 11:00:34 hactar kernel:                 shared block backref
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>> Feb 17 11:00:34 hactar kernel:                 shared block backref
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>> Feb 17 11:00:34 hactar kernel:                 shared block backref
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>> Feb 17 11:00:34 hactar kernel:                 shared block backref
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>> Feb 17 11:00:34 hactar kernel:                 shared block backref
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>> Feb 17 11:00:34 hactar kernel:                 shared block backref
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>> Feb 17 11:00:34 hactar kernel:                 shared block backref
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>> Feb 17 11:00:34 hactar kernel:                 shared block backref
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>> Feb 17 11:00:34 hactar kernel:                 shared block backref
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>> Feb 17 11:00:34 hactar kernel:                 shared block backref
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>> Feb 17 11:00:34 hactar kernel:                 shared block backref
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>> Feb 17 11:00:34 hactar kernel:                 shared block backref
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>> Feb 17 11:00:34 hactar kernel:                 shared block backref
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>> Feb 17 11:00:34 hactar kernel:                 shared block backref
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>> Feb 17 11:00:34 hactar kernel:                 shared block backref
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>> Feb 17 11:00:34 hactar kernel:                 shared block backref
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>> Feb 17 11:00:34 hactar kernel:                 shared block backref
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>> Feb 17 11:00:34 hactar kernel:                 shared block backref
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>> Feb 17 11:00:34 hactar kernel:                 shared block backref
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>> Feb 17 11:00:34 hactar kernel:                 shared block backref
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>> Feb 17 11:00:34 hactar kernel:                 shared block backref
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>> Feb 17 11:00:34 hactar kernel:                 shared block backref
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>> Feb 17 11:00:34 hactar kernel:                 shared block backref
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>> Feb 17 11:00:34 hactar kernel:                 shared block backref
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>> Feb 17 11:00:34 hactar kernel:                 shared block backref
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>> Feb 17 11:00:34 hactar kernel:                 shared block backref
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>> Feb 17 11:00:34 hactar kernel:                 shared block backref
>> Feb 17 11:00:34 hactar kernel:         item 245 key (693626798080 182 
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>> Feb 17 11:00:34 hactar kernel:                 shared block backref
>> Feb 17 11:00:34 hactar kernel:         item 246 key (693626798080 182 
>> 701681074176) itemoff 13988 itemsize 0
>> Feb 17 11:00:34 hactar kernel:                 shared block backref
>> Feb 17 11:00:34 hactar kernel:         item 247 key (693626798080 182 
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>> Feb 17 11:00:34 hactar kernel:                 shared block backref
>> Feb 17 11:00:34 hactar kernel:         item 248 key (693626798080 182 
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>> Feb 17 11:00:34 hactar kernel:                 shared block backref
>> Feb 17 11:00:34 hactar kernel:         item 249 key (693626798080 182 
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>> Feb 17 11:00:34 hactar kernel:                 shared block backref
>> Feb 17 11:00:34 hactar kernel:         item 250 key (693626798080 182 
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>> Feb 17 11:00:34 hactar kernel:                 shared block backref
>> Feb 17 11:00:34 hactar kernel:         item 251 key (693626798080 182 
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>> Feb 17 11:00:34 hactar kernel:                 shared block backref
>> Feb 17 11:00:34 hactar kernel:         item 252 key (693626798080 182 
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>> Feb 17 11:00:34 hactar kernel:                 shared block backref
>> Feb 17 11:00:34 hactar kernel:         item 253 key (693626798080 182 
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>> Feb 17 11:00:34 hactar kernel:                 shared block backref
>> Feb 17 11:00:34 hactar kernel:         item 254 key (693626798080 182 
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>> Feb 17 11:00:34 hactar kernel:                 shared block backref
>> Feb 17 11:00:34 hactar kernel:         item 255 key (693626798080 182 
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>> Feb 17 11:00:34 hactar kernel:                 shared block backref
>> Feb 17 11:00:34 hactar kernel:         item 256 key (693626798080 182 
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>> Feb 17 11:00:34 hactar kernel:                 shared block backref
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>> Feb 17 11:00:34 hactar kernel:                 shared block backref
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>> Feb 17 11:00:34 hactar kernel:                 shared block backref
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>> Feb 17 11:00:34 hactar kernel:                 shared block backref
>> Feb 17 11:00:34 hactar kernel:         item 260 key (693626798080 182 
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>> Feb 17 11:00:34 hactar kernel:                 shared block backref
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>> Feb 17 11:00:34 hactar kernel:                 shared block backref
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>> Feb 17 11:00:34 hactar kernel:                 shared block backref
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>> Feb 17 11:00:34 hactar kernel:                 shared block backref
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>> Feb 17 11:00:34 hactar kernel:                 shared block backref
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>> Feb 17 11:00:34 hactar kernel:                 shared block backref
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>> Feb 17 11:00:34 hactar kernel:                 shared block backref
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>> Feb 17 11:00:34 hactar kernel:                 shared block backref
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>> Feb 17 11:00:34 hactar kernel:                 shared block backref
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>> Feb 17 11:00:34 hactar kernel:                 shared block backref
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>> Feb 17 11:00:34 hactar kernel:                 shared block backref
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>> Feb 17 11:00:34 hactar kernel:                 shared block backref
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>> Feb 17 11:00:34 hactar kernel:                 shared block backref
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>> Feb 17 11:00:34 hactar kernel:                 shared block backref
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>> Feb 17 11:00:34 hactar kernel:                 shared block backref
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>> Feb 17 11:00:34 hactar kernel:                 shared block backref
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>> Feb 17 11:00:34 hactar kernel:                 shared block backref
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>> Feb 17 11:00:34 hactar kernel:                 shared block backref
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>> Feb 17 11:00:34 hactar kernel:                 shared block backref
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>> Feb 17 11:00:34 hactar kernel:                 shared block backref
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>> Feb 17 11:00:34 hactar kernel:                 shared block backref
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>> Feb 17 11:00:34 hactar kernel:                 shared block backref
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>> Feb 17 11:00:34 hactar kernel:                 shared block backref
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>> Feb 17 11:00:34 hactar kernel:                 shared block backref
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>> Feb 17 11:00:34 hactar kernel:                 shared block backref
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>> Feb 17 11:00:34 hactar kernel:                 shared block backref
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>> Feb 17 11:00:34 hactar kernel:                 shared block backref
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>> Feb 17 11:00:34 hactar kernel:                 shared block backref
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>> Feb 17 11:00:34 hactar kernel:                 shared block backref
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>> Feb 17 11:00:34 hactar kernel:                 shared block backref
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>> Feb 17 11:00:34 hactar kernel:                 shared block backref
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>> Feb 17 11:00:34 hactar kernel:                 shared block backref
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>> Feb 17 11:00:34 hactar kernel:                 shared block backref
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>> Feb 17 11:00:34 hactar kernel:                 shared block backref
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>> Feb 17 11:00:34 hactar kernel:                 shared block backref
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>> Feb 17 11:00:34 hactar kernel:                 shared block backref
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>> Feb 17 11:00:34 hactar kernel:                 shared block backref
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>> Feb 17 11:00:34 hactar kernel:                 shared block backref
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>> Feb 17 11:00:34 hactar kernel:                 shared block backref
>> Feb 17 11:00:34 hactar kernel:         item 299 key (693626798080 182 
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>> Feb 17 11:00:34 hactar kernel:                 shared block backref
>> Feb 17 11:00:34 hactar kernel:         item 300 key (693626798080 182 
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>> Feb 17 11:00:34 hactar kernel:                 shared block backref
>> Feb 17 11:00:34 hactar kernel:         item 301 key (693626798080 182 
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>> Feb 17 11:00:34 hactar kernel:                 shared block backref
>> Feb 17 11:00:34 hactar kernel:         item 302 key (693626798080 182 
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>> Feb 17 11:00:34 hactar kernel:                 shared block backref
>> Feb 17 11:00:34 hactar kernel:         item 303 key (693626798080 182 
>> 701989224448) itemoff 13988 itemsize 0
>> Feb 17 11:00:34 hactar kernel:                 shared block backref
>> Feb 17 11:00:34 hactar kernel:         item 304 key (693626798080 182 
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>> Feb 17 11:00:34 hactar kernel:                 shared block backref
>> Feb 17 11:00:34 hactar kernel:         item 305 key (693626798080 182 
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>> Feb 17 11:00:34 hactar kernel:                 shared block backref
>> Feb 17 11:00:34 hactar kernel:         item 306 key (693626798080 182 
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>> Feb 17 11:00:34 hactar kernel:                 shared block backref
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>> Feb 17 11:00:34 hactar kernel:                 shared block backref
>> Feb 17 11:00:34 hactar kernel:         item 308 key (693626798080 182 
>> 702000480256) itemoff 13988 itemsize 0
>> Feb 17 11:00:34 hactar kernel:                 shared block backref
>> Feb 17 11:00:34 hactar kernel:         item 309 key (693626798080 182 
>> 702013784064) itemoff 13988 itemsize 0
>> Feb 17 11:00:34 hactar kernel:                 shared block backref
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>> 702018863104) itemoff 13988 itemsize 0
>> Feb 17 11:00:34 hactar kernel:                 shared block backref
>> Feb 17 11:00:34 hactar kernel:         item 311 key (693626798080 182 
>> 702025187328) itemoff 13988 itemsize 0
>> Feb 17 11:00:34 hactar kernel:                 shared block backref
>> Feb 17 11:00:34 hactar kernel:         item 312 key (693626798080 182 
>> 702025613312) itemoff 13988 itemsize 0
>> Feb 17 11:00:34 hactar kernel:                 shared block backref
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>> 702029332480) itemoff 13988 itemsize 0
>> Feb 17 11:00:34 hactar kernel:                 shared block backref
>> Feb 17 11:00:34 hactar kernel:         item 314 key (693626798080 182 
>> 702038622208) itemoff 13988 itemsize 0
>> Feb 17 11:00:34 hactar kernel:                 shared block backref
>> Feb 17 11:00:34 hactar kernel:         item 315 key (693626798080 182 
>> 702041112576) itemoff 13988 itemsize 0
>> Feb 17 11:00:34 hactar kernel:                 shared block backref
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>> 702041899008) itemoff 13988 itemsize 0
>> Feb 17 11:00:34 hactar kernel:                 shared block backref
>> Feb 17 11:00:34 hactar kernel:         item 317 key (693626798080 182 
>> 702043111424) itemoff 13988 itemsize 0
>> Feb 17 11:00:34 hactar kernel:                 shared block backref
>> Feb 17 11:00:34 hactar kernel:         item 318 key (693626798080 182 
>> 702052843520) itemoff 13988 itemsize 0
>> Feb 17 11:00:34 hactar kernel:                 shared block backref
>> Feb 17 11:00:34 hactar kernel:         item 319 key (693626798080 182 
>> 702056235008) itemoff 13988 itemsize 0
>> Feb 17 11:00:34 hactar kernel:                 shared block backref
>> Feb 17 11:00:34 hactar kernel:         item 320 key (693626798080 182 
>> 702082596864) itemoff 13988 itemsize 0
>> Feb 17 11:00:34 hactar kernel:                 shared block backref
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>> 702093475840) itemoff 13988 itemsize 0
>> Feb 17 11:00:34 hactar kernel:                 shared block backref
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>> 702135222272) itemoff 13988 itemsize 0
>> Feb 17 11:00:34 hactar kernel:                 shared block backref
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>> 702138810368) itemoff 13988 itemsize 0
>> Feb 17 11:00:34 hactar kernel:                 shared block backref
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>> 702139351040) itemoff 13988 itemsize 0
>> Feb 17 11:00:34 hactar kernel:                 shared block backref
>> Feb 17 11:00:34 hactar kernel:         item 325 key (693626798080 182 
>> 702142840832) itemoff 13988 itemsize 0
>> Feb 17 11:00:34 hactar kernel:                 shared block backref
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>> 702144610304) itemoff 13988 itemsize 0
>> Feb 17 11:00:34 hactar kernel:                 shared block backref
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>> 702144757760) itemoff 13988 itemsize 0
>> Feb 17 11:00:34 hactar kernel:                 shared block backref
>> Feb 17 11:00:34 hactar kernel:         item 328 key (693626798080 182 
>> 702146396160) itemoff 13988 itemsize 0
>> Feb 17 11:00:34 hactar kernel:                 shared block backref
>> Feb 17 11:00:34 hactar kernel:         item 329 key (693626798080 182 
>> 702150557696) itemoff 13988 itemsize 0
>> Feb 17 11:00:34 hactar kernel:                 shared block backref
>> Feb 17 11:00:34 hactar kernel:         item 330 key (693626798080 182 
>> 702151671808) itemoff 13988 itemsize 0
>> Feb 17 11:00:34 hactar kernel:                 shared block backref
>> Feb 17 11:00:34 hactar kernel:         item 331 key (693626798080 182 
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>> Feb 17 11:00:34 hactar kernel:                 shared block backref
>> Feb 17 11:00:34 hactar kernel:         item 332 key (693626798080 182 
>> 702153490432) itemoff 13988 itemsize 0
>> Feb 17 11:00:34 hactar kernel:                 shared block backref
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>> 702157602816) itemoff 13988 itemsize 0
>> Feb 17 11:00:34 hactar kernel:                 shared block backref
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>> 702157963264) itemoff 13988 itemsize 0
>> Feb 17 11:00:34 hactar kernel:                 shared block backref
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>> 702159208448) itemoff 13988 itemsize 0
>> Feb 17 11:00:34 hactar kernel:                 shared block backref
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>> 702169972736) itemoff 13988 itemsize 0
>> Feb 17 11:00:34 hactar kernel:                 shared block backref
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>> 702177853440) itemoff 13988 itemsize 0
>> Feb 17 11:00:34 hactar kernel:                 shared block backref
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>> 702200610816) itemoff 13988 itemsize 0
>> Feb 17 11:00:34 hactar kernel:                 shared block backref
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>> Feb 17 11:00:34 hactar kernel:                 shared block backref
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>> 702209392640) itemoff 13988 itemsize 0
>> Feb 17 11:00:34 hactar kernel:                 shared block backref
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>> 702223826944) itemoff 13988 itemsize 0
>> Feb 17 11:00:34 hactar kernel:                 shared block backref
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>> Feb 17 11:00:34 hactar kernel:                 shared block backref
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>> 702239391744) itemoff 13988 itemsize 0
>> Feb 17 11:00:34 hactar kernel:                 shared block backref
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>> Feb 17 11:00:34 hactar kernel:                 shared block backref
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>> Feb 17 11:00:34 hactar kernel:                 shared block backref
>> Feb 17 11:00:34 hactar kernel:         item 346 key (693626798080 182 
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>> Feb 17 11:00:34 hactar kernel:                 shared block backref
>> Feb 17 11:00:34 hactar kernel:         item 347 key (693626798080 182 
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>> Feb 17 11:00:34 hactar kernel:                 shared block backref
>> Feb 17 11:00:34 hactar kernel:         item 348 key (693626798080 182 
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>> Feb 17 11:00:34 hactar kernel:                 shared block backref
>> Feb 17 11:00:34 hactar kernel:         item 349 key (693626798080 182 
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>> Feb 17 11:00:34 hactar kernel:                 shared block backref
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>> Feb 17 11:00:34 hactar kernel:                 shared block backref
>> Feb 17 11:00:34 hactar kernel:         item 351 key (693626798080 182 
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>> Feb 17 11:00:34 hactar kernel:                 shared block backref
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>> Feb 17 11:00:34 hactar kernel:                 shared block backref
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>> Feb 17 11:00:34 hactar kernel:                 shared block backref
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>> Feb 17 11:00:34 hactar kernel:                 shared block backref
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>> Feb 17 11:00:34 hactar kernel:                 shared block backref
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>> Feb 17 11:00:34 hactar kernel:                 shared block backref
>> Feb 17 11:00:34 hactar kernel:         item 357 key (693626798080 182 
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>> Feb 17 11:00:34 hactar kernel:                 shared block backref
>> Feb 17 11:00:34 hactar kernel:         item 358 key (693626798080 182 
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>> Feb 17 11:00:34 hactar kernel:                 shared block backref
>> Feb 17 11:00:34 hactar kernel:         item 359 key (693626798080 182 
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>> Feb 17 11:00:34 hactar kernel:                 shared block backref
>> Feb 17 11:00:34 hactar kernel:         item 360 key (693626798080 182 
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>> Feb 17 11:00:34 hactar kernel:                 shared block backref
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>> Feb 17 11:00:34 hactar kernel:                 shared block backref
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>> Feb 17 11:00:34 hactar kernel:                 shared block backref
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>> Feb 17 11:00:34 hactar kernel:                 shared block backref
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>> Feb 17 11:00:34 hactar kernel:                 shared block backref
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>> Feb 17 11:00:34 hactar kernel:                 shared block backref
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>> Feb 17 11:00:34 hactar kernel:                 shared block backref
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>> Feb 17 11:00:34 hactar kernel:                 shared block backref
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>> Feb 17 11:00:34 hactar kernel:                 shared block backref
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>> Feb 17 11:00:34 hactar kernel:                 shared block backref
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>> Feb 17 11:00:34 hactar kernel:                 shared block backref
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>> Feb 17 11:00:34 hactar kernel:                 shared block backref
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>> Feb 17 11:00:34 hactar kernel:                 shared block backref
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>> Feb 17 11:00:34 hactar kernel:                 shared block backref
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>> Feb 17 11:00:34 hactar kernel:                 shared block backref
>> Feb 17 11:00:34 hactar kernel:         item 375 key (693626798080 182 
>> 705708638208) itemoff 13988 itemsize 0
>> Feb 17 11:00:34 hactar kernel:                 shared block backref
>> Feb 17 11:00:34 hactar kernel:         item 376 key (693626798080 182 
>> 705746714624) itemoff 13988 itemsize 0
>> Feb 17 11:00:34 hactar kernel:                 shared block backref
>> Feb 17 11:00:34 hactar kernel:         item 377 key (693626798080 182 
>> 705748418560) itemoff 13988 itemsize 0
>> Feb 17 11:00:34 hactar kernel:                 shared block backref
>> Feb 17 11:00:34 hactar kernel:         item 378 key (693626798080 182 
>> 705752596480) itemoff 13988 itemsize 0
>> Feb 17 11:00:34 hactar kernel:                 shared block backref
>> Feb 17 11:00:34 hactar kernel:         item 379 key (693626798080 182 
>> 705758658560) itemoff 13988 itemsize 0
>> Feb 17 11:00:34 hactar kernel:                 shared block backref
>> Feb 17 11:00:34 hactar kernel:         item 380 key (693626798080 182 
>> 705764704256) itemoff 13988 itemsize 0
>> Feb 17 11:00:34 hactar kernel:                 shared block backref
>> Feb 17 11:00:34 hactar kernel:         item 381 key (693626798080 182 
>> 705774223360) itemoff 13988 itemsize 0
>> Feb 17 11:00:34 hactar kernel:                 shared block backref
>> Feb 17 11:00:34 hactar kernel:         item 382 key (693626798080 182 
>> 705784266752) itemoff 13988 itemsize 0
>> Feb 17 11:00:34 hactar kernel:                 shared block backref
>> Feb 17 11:00:34 hactar kernel:         item 383 key (693626798080 182 
>> 705785823232) itemoff 13988 itemsize 0
>> Feb 17 11:00:34 hactar kernel:                 shared block backref
>> Feb 17 11:00:34 hactar kernel:         item 384 key (693626798080 182 
>> 705799176192) itemoff 13988 itemsize 0
>> Feb 17 11:00:34 hactar kernel:                 shared block backref
>> Feb 17 11:00:34 hactar kernel:         item 385 key (693626798080 182 
>> 705804763136) itemoff 13988 itemsize 0
>> Feb 17 11:00:34 hactar kernel:                 shared block backref
>> Feb 17 11:00:34 hactar kernel:         item 386 key (693626798080 182 
>> 705806663680) itemoff 13988 itemsize 0
>> Feb 17 11:00:34 hactar kernel:                 shared block backref
>> Feb 17 11:00:34 hactar kernel:         item 387 key (693626798080 182 
>> 705810808832) itemoff 13988 itemsize 0
>> Feb 17 11:00:34 hactar kernel:                 shared block backref
>> Feb 17 11:00:34 hactar kernel:         item 388 key (693626798080 182 
>> 705817509888) itemoff 13988 itemsize 0
>> Feb 17 11:00:34 hactar kernel:                 shared block backref
>> Feb 17 11:00:34 hactar kernel:         item 389 key (693626798080 182 
>> 705820901376) itemoff 13988 itemsize 0
>> Feb 17 11:00:34 hactar kernel:                 shared block backref
>> Feb 17 11:00:34 hactar kernel:         item 390 key (693626798080 182 
>> 705835499520) itemoff 13988 itemsize 0
>> Feb 17 11:00:34 hactar kernel:                 shared block backref
>> Feb 17 11:00:34 hactar kernel:         item 391 key (693626798080 182 
>> 705851473920) itemoff 13988 itemsize 0
>> Feb 17 11:00:34 hactar kernel:                 shared block backref
>> Feb 17 11:00:34 hactar kernel:         item 392 key (693626798080 182 
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>> Feb 17 11:00:34 hactar kernel:                 shared block backref
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>> 705897807872) itemoff 13988 itemsize 0
>> Feb 17 11:00:34 hactar kernel:                 shared block backref
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>> Feb 17 11:00:34 hactar kernel:                 shared block backref
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>> 705911783424) itemoff 13988 itemsize 0
>> Feb 17 11:00:34 hactar kernel:                 shared block backref
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>> 705922039808) itemoff 13988 itemsize 0
>> Feb 17 11:00:34 hactar kernel:                 shared block backref
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>> 705930756096) itemoff 13988 itemsize 0
>> Feb 17 11:00:34 hactar kernel:                 shared block backref
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>> 705934557184) itemoff 13988 itemsize 0
>> Feb 17 11:00:34 hactar kernel:                 shared block backref
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>> 705937440768) itemoff 13988 itemsize 0
>> Feb 17 11:00:34 hactar kernel:                 shared block backref
>> Feb 17 11:00:34 hactar kernel:         item 400 key (693626798080 182 
>> 705939308544) itemoff 13988 itemsize 0
>> Feb 17 11:00:34 hactar kernel:                 shared block backref
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>> 705946992640) itemoff 13988 itemsize 0
>> Feb 17 11:00:34 hactar kernel:                 shared block backref
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>> 705948368896) itemoff 13988 itemsize 0
>> Feb 17 11:00:34 hactar kernel:                 shared block backref
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>> Feb 17 11:00:34 hactar kernel:                 shared block backref
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>> 706002501632) itemoff 13988 itemsize 0
>> Feb 17 11:00:34 hactar kernel:                 shared block backref
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>> Feb 17 11:00:34 hactar kernel:                 shared block backref
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>> Feb 17 11:00:34 hactar kernel:                 shared block backref
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>> 706018213888) itemoff 13988 itemsize 0
>> Feb 17 11:00:34 hactar kernel:                 shared block backref
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>> 706020900864) itemoff 13988 itemsize 0
>> Feb 17 11:00:34 hactar kernel:                 shared block backref
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>> 706027175936) itemoff 13988 itemsize 0
>> Feb 17 11:00:34 hactar kernel:                 shared block backref
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>> 706028257280) itemoff 13988 itemsize 0
>> Feb 17 11:00:34 hactar kernel:                 shared block backref
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>> 706033696768) itemoff 13988 itemsize 0
>> Feb 17 11:00:34 hactar kernel:                 shared block backref
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>> 706035204096) itemoff 13988 itemsize 0
>> Feb 17 11:00:34 hactar kernel:                 shared block backref
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>> 706036383744) itemoff 13988 itemsize 0
>> Feb 17 11:00:34 hactar kernel:                 shared block backref
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>> 706042691584) itemoff 13988 itemsize 0
>> Feb 17 11:00:34 hactar kernel:                 shared block backref
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>> 706047082496) itemoff 13988 itemsize 0
>> Feb 17 11:00:34 hactar kernel:                 shared block backref
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>> 706049818624) itemoff 13988 itemsize 0
>> Feb 17 11:00:34 hactar kernel:                 shared block backref
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>> 706052571136) itemoff 13988 itemsize 0
>> Feb 17 11:00:34 hactar kernel:                 shared block backref
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>> 706053079040) itemoff 13988 itemsize 0
>> Feb 17 11:00:34 hactar kernel:                 shared block backref
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>> 706053816320) itemoff 13988 itemsize 0
>> Feb 17 11:00:34 hactar kernel:                 shared block backref
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>> 706055569408) itemoff 13988 itemsize 0
>> Feb 17 11:00:34 hactar kernel:                 shared block backref
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>> 706059698176) itemoff 13988 itemsize 0
>> Feb 17 11:00:34 hactar kernel:                 shared block backref
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>> 706065825792) itemoff 13988 itemsize 0
>> Feb 17 11:00:34 hactar kernel:                 shared block backref
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>> 706077884416) itemoff 13988 itemsize 0
>> Feb 17 11:00:34 hactar kernel:                 shared block backref
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>> 706090123264) itemoff 13988 itemsize 0
>> Feb 17 11:00:34 hactar kernel:                 shared block backref
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>> 706092285952) itemoff 13988 itemsize 0
>> Feb 17 11:00:34 hactar kernel:                 shared block backref
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>> Feb 17 11:00:34 hactar kernel:                 shared block backref
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>> Feb 17 11:00:34 hactar kernel:                 shared block backref
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>> 706156314624) itemoff 13988 itemsize 0
>> Feb 17 11:00:34 hactar kernel:                 shared block backref
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>> Feb 17 11:00:34 hactar kernel:                 shared block backref
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>> Feb 17 11:00:34 hactar kernel:                 shared block backref
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>> Feb 17 11:00:34 hactar kernel:                 shared block backref
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>> Feb 17 11:00:34 hactar kernel:                 shared block backref
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>> Feb 17 11:00:34 hactar kernel:                 shared block backref
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>> Feb 17 11:00:34 hactar kernel:                 shared block backref
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>> Feb 17 11:00:34 hactar kernel:                 shared block backref
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>> Feb 17 11:00:34 hactar kernel:                 shared block backref
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>> 706217803776) itemoff 13988 itemsize 0
>> Feb 17 11:00:34 hactar kernel:                 shared block backref
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>> 706226651136) itemoff 13988 itemsize 0
>> Feb 17 11:00:34 hactar kernel:                 shared block backref
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>> Feb 17 11:00:34 hactar kernel:                 shared block backref
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>> 706240856064) itemoff 13988 itemsize 0
>> Feb 17 11:00:34 hactar kernel:                 shared block backref
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>> 706245083136) itemoff 13988 itemsize 0
>> Feb 17 11:00:34 hactar kernel:                 shared block backref
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>> 706264793088) itemoff 13988 itemsize 0
>> Feb 17 11:00:34 hactar kernel:                 shared block backref
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>> 706284584960) itemoff 13988 itemsize 0
>> Feb 17 11:00:34 hactar kernel:                 shared block backref
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>> 706295922688) itemoff 13988 itemsize 0
>> Feb 17 11:00:34 hactar kernel:                 shared block backref
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>> 706298609664) itemoff 13988 itemsize 0
>> Feb 17 11:00:34 hactar kernel:                 shared block backref
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>> Feb 17 11:00:34 hactar kernel:                 shared block backref
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>> 706312241152) itemoff 13988 itemsize 0
>> Feb 17 11:00:34 hactar kernel:                 shared block backref
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>> 706322563072) itemoff 13988 itemsize 0
>> Feb 17 11:00:34 hactar kernel:                 shared block backref
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>> Feb 17 11:00:34 hactar kernel:                 shared block backref
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>> Feb 17 11:00:34 hactar kernel:                 shared block backref
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>> Feb 17 11:00:34 hactar kernel:                 shared block backref
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>> Feb 17 11:00:34 hactar kernel:                 shared block backref
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>> Feb 17 11:00:34 hactar kernel:                 shared block backref
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>> 706395045888) itemoff 13988 itemsize 0
>> Feb 17 11:00:34 hactar kernel:                 shared block backref
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>> 706412593152) itemoff 13988 itemsize 0
>> Feb 17 11:00:34 hactar kernel:                 shared block backref
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>> 706414460928) itemoff 13988 itemsize 0
>> Feb 17 11:00:34 hactar kernel:                 shared block backref
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>> 706423095296) itemoff 13988 itemsize 0
>> Feb 17 11:00:34 hactar kernel:                 shared block backref
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>> 706439233536) itemoff 13988 itemsize 0
>> Feb 17 11:00:34 hactar kernel:                 shared block backref
>> Feb 17 11:00:34 hactar kernel:         item 459 key (693626798080 182 
>> 706439577600) itemoff 13988 itemsize 0
>> Feb 17 11:00:34 hactar kernel:                 shared block backref
>> Feb 17 11:00:34 hactar kernel:         item 460 key (693626798080 182 
>> 706447261696) itemoff 13988 itemsize 0
>> Feb 17 11:00:34 hactar kernel:                 shared block backref
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>> Feb 17 11:00:34 hactar kernel:                 shared block backref
>> Feb 17 11:00:34 hactar kernel:         item 462 key (693626798080 182 
>> 706453536768) itemoff 13988 itemsize 0
>> Feb 17 11:00:34 hactar kernel:                 shared block backref
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>> 706454306816) itemoff 13988 itemsize 0
>> Feb 17 11:00:34 hactar kernel:                 shared block backref
>> Feb 17 11:00:34 hactar kernel:         item 464 key (693626798080 182 
>> 706466529280) itemoff 13988 itemsize 0
>> Feb 17 11:00:34 hactar kernel:                 shared block backref
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>> 706469462016) itemoff 13988 itemsize 0
>> Feb 17 11:00:34 hactar kernel:                 shared block backref
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>> 706491760640) itemoff 13988 itemsize 0
>> Feb 17 11:00:34 hactar kernel:                 shared block backref
>> Feb 17 11:00:34 hactar kernel:         item 467 key (693626798080 182 
>> 706494201856) itemoff 13988 itemsize 0
>> Feb 17 11:00:34 hactar kernel:                 shared block backref
>> Feb 17 11:00:34 hactar kernel:         item 468 key (693626798080 182 
>> 706498101248) itemoff 13988 itemsize 0
>> Feb 17 11:00:34 hactar kernel:                 shared block backref
>> Feb 17 11:00:34 hactar kernel:         item 469 key (693626798080 182 
>> 706506588160) itemoff 13988 itemsize 0
>> Feb 17 11:00:34 hactar kernel:                 shared block backref
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>> 706512257024) itemoff 13988 itemsize 0
>> Feb 17 11:00:34 hactar kernel:                 shared block backref
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>> 706513649664) itemoff 13988 itemsize 0
>> Feb 17 11:00:34 hactar kernel:                 shared block backref
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>> 706531295232) itemoff 13988 itemsize 0
>> Feb 17 11:00:34 hactar kernel:                 shared block backref
>> Feb 17 11:00:34 hactar kernel:         item 473 key (693626798080 182 
>> 706536275968) itemoff 13988 itemsize 0
>> Feb 17 11:00:34 hactar kernel:                 shared block backref
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>> 710851313664) itemoff 13988 itemsize 0
>> Feb 17 11:00:34 hactar kernel:                 shared block backref
>> Feb 17 11:00:34 hactar kernel:         item 475 key (693626798080 182 
>> 710856081408) itemoff 13988 itemsize 0
>> Feb 17 11:00:34 hactar kernel:                 shared block backref
>> Feb 17 11:00:34 hactar kernel:         item 476 key (693626798080 182 
>> 710947045376) itemoff 13988 itemsize 0
>> Feb 17 11:00:34 hactar kernel:                 shared block backref
>> Feb 17 11:00:34 hactar kernel:         item 477 key (693626798080 182 
>> 710952468480) itemoff 13988 itemsize 0
>> Feb 17 11:00:34 hactar kernel:                 shared block backref
>> Feb 17 11:00:34 hactar kernel:         item 478 key (693626798080 182 
>> 711051231232) itemoff 13988 itemsize 0
>> Feb 17 11:00:34 hactar kernel:                 shared block backref
>> Feb 17 11:00:34 hactar kernel:         item 479 key (693626798080 182 
>> 711055278080) itemoff 13988 itemsize 0
>> Feb 17 11:00:34 hactar kernel:                 shared block backref
>> Feb 17 11:00:34 hactar kernel:         item 480 key (693626798080 182 
>> 711072186368) itemoff 13988 itemsize 0
>> Feb 17 11:00:34 hactar kernel:                 shared block backref
>> Feb 17 11:00:34 hactar kernel:         item 481 key (693626798080 182 
>> 711099858944) itemoff 13988 itemsize 0
>> Feb 17 11:00:34 hactar kernel:                 shared block backref
>> Feb 17 11:00:34 hactar kernel:         item 482 key (693626798080 182 
>> 711102906368) itemoff 13988 itemsize 0
>> Feb 17 11:00:34 hactar kernel:                 shared block backref
>> Feb 17 11:00:34 hactar kernel:         item 483 key (693626798080 182 
>> 711149568000) itemoff 13988 itemsize 0
>> Feb 17 11:00:34 hactar kernel:                 shared block backref
>> Feb 17 11:00:34 hactar kernel:         item 484 key (693626798080 182 
>> 711153958912) itemoff 13988 itemsize 0
>> Feb 17 11:00:34 hactar kernel:                 shared block backref
>> Feb 17 11:00:34 hactar kernel:         item 485 key (693626798080 182 
>> 711193214976) itemoff 13988 itemsize 0
>> Feb 17 11:00:34 hactar kernel:                 shared block backref
>> Feb 17 11:00:34 hactar kernel:         item 486 key (693626798080 182 
>> 711201554432) itemoff 13988 itemsize 0
>> Feb 17 11:00:34 hactar kernel:                 shared block backref
>> Feb 17 11:00:34 hactar kernel:         item 487 key (693626798080 182 
>> 711220150272) itemoff 13988 itemsize 0
>> Feb 17 11:00:34 hactar kernel:                 shared block backref
>> Feb 17 11:00:34 hactar kernel:         item 488 key (693626798080 182 
>> 711345389568) itemoff 13988 itemsize 0
>> Feb 17 11:00:34 hactar kernel:                 shared block backref
>> Feb 17 11:00:34 hactar kernel:         item 489 key (693626798080 182 
>> 711349321728) itemoff 13988 itemsize 0
>> Feb 17 11:00:34 hactar kernel:                 shared block backref
>> Feb 17 11:00:34 hactar kernel:         item 490 key (693626798080 182 
>> 711379419136) itemoff 13988 itemsize 0
>> Feb 17 11:00:34 hactar kernel:                 shared block backref
>> Feb 17 11:00:34 hactar kernel:         item 491 key (693626798080 182 
>> 711424098304) itemoff 13988 itemsize 0
>> Feb 17 11:00:34 hactar kernel:                 shared block backref
>> Feb 17 11:00:34 hactar kernel:         item 492 key (693626798080 182 
>> 711447429120) itemoff 13988 itemsize 0
>> Feb 17 11:00:34 hactar kernel:                 shared block backref
>> Feb 17 11:00:34 hactar kernel:         item 493 key (693626798080 182 
>> 711523647488) itemoff 13988 itemsize 0
>> Feb 17 11:00:34 hactar kernel:                 shared block backref
>> Feb 17 11:00:34 hactar kernel:         item 494 key (693626798080 182 
>> 711552565248) itemoff 13988 itemsize 0
>> Feb 17 11:00:34 hactar kernel:                 shared block backref
>> Feb 17 11:00:34 hactar kernel:         item 495 key (693626798080 182 
>> 711564525568) itemoff 13988 itemsize 0
>> Feb 17 11:00:34 hactar kernel:                 shared block backref
>> Feb 17 11:00:34 hactar kernel:         item 496 key (693626798080 182 
>> 711645528064) itemoff 13988 itemsize 0
>> Feb 17 11:00:34 hactar kernel:                 shared block backref
>> Feb 17 11:00:34 hactar kernel:         item 497 key (693626798080 182 
>> 711677132800) itemoff 13988 itemsize 0
>> Feb 17 11:00:34 hactar kernel:                 shared block backref
>> Feb 17 11:00:34 hactar kernel:         item 498 key (693626798080 182 
>> 711682785280) itemoff 13988 itemsize 0
>> Feb 17 11:00:34 hactar kernel:                 shared block backref
>> Feb 17 11:00:34 hactar kernel:         item 499 key (693626798080 182 
>> 711687077888) itemoff 13988 itemsize 0
>> Feb 17 11:00:34 hactar kernel:                 shared block backref
>> Feb 17 11:00:34 hactar kernel:         item 500 key (693626798080 182 
>> 711809925120) itemoff 13988 itemsize 0
>> Feb 17 11:00:34 hactar kernel:                 shared block backref
>> Feb 17 11:00:34 hactar kernel:         item 501 key (693626798080 182 
>> 711849295872) itemoff 13988 itemsize 0
>> Feb 17 11:00:34 hactar kernel:                 shared block backref
>> Feb 17 11:00:34 hactar kernel:         item 502 key (693626798080 182 
>> 711861223424) itemoff 13988 itemsize 0
>> Feb 17 11:00:34 hactar kernel:                 shared block backref
>> Feb 17 11:00:34 hactar kernel:         item 503 key (693626814464 169 0) 
>> itemoff 13001 itemsize 987
>> Feb 17 11:00:34 hactar kernel:                 extent refs 607 gen 594253 
>> flags 2
>> Feb 17 11:00:34 hactar kernel:                 ref#0: tree block backref 
>> root 309
>> Feb 17 11:00:34 hactar kernel:                 ref#1: shared block backref 
>> parent 702108106752
>> Feb 17 11:00:34 hactar kernel:                 ref#2: shared block backref 
>> parent 702041145344
>> Feb 17 11:00:34 hactar kernel:                 ref#3: shared block backref 
>> parent 702000775168
>> Feb 17 11:00:34 hactar kernel:                 ref#4: shared block backref 
>> parent 701916512256
>> Feb 17 11:00:34 hactar kernel:                 ref#5: shared block backref 
>> parent 701889314816
>> Feb 17 11:00:34 hactar kernel:                 ref#6: shared block backref 
>> parent 701882105856
>> Feb 17 11:00:34 hactar kernel:                 ref#7: shared block backref 
>> parent 701794009088
>> Feb 17 11:00:34 hactar kernel:                 ref#8: shared block backref 
>> parent 701782097920
>> Feb 17 11:00:34 hactar kernel:                 ref#9: shared block backref 
>> parent 701646667776
>> Feb 17 11:00:34 hactar kernel:                 ref#10: shared block backref 
>> parent 701482221568
>> Feb 17 11:00:34 hactar kernel:                 ref#11: shared block backref 
>> parent 701340647424
>> Feb 17 11:00:34 hactar kernel:                 ref#12: shared block backref 
>> parent 701271556096
>> Feb 17 11:00:34 hactar kernel:                 ref#13: shared block backref 
>> parent 701188685824
>> Feb 17 11:00:34 hactar kernel:                 ref#14: shared block backref 
>> parent 693603893248
>> Feb 17 11:00:34 hactar kernel:                 ref#15: shared block backref 
>> parent 693591621632
>> Feb 17 11:00:34 hactar kernel:                 ref#16: shared block backref 
>> parent 693588492288
>> Feb 17 11:00:34 hactar kernel:                 ref#17: shared block backref 
>> parent 693562408960
>> Feb 17 11:00:34 hactar kernel:                 ref#18: shared block backref 
>> parent 693543059456
>> Feb 17 11:00:34 hactar kernel:                 ref#19: shared block backref 
>> parent 693460910080
>> Feb 17 11:00:34 hactar kernel:                 ref#20: shared block backref 
>> parent 693436776448
>> Feb 17 11:00:34 hactar kernel:                 ref#21: shared block backref 
>> parent 693417607168
>> Feb 17 11:00:34 hactar kernel:                 ref#22: shared block backref 
>> parent 693319188480
>> Feb 17 11:00:34 hactar kernel:                 ref#23: shared block backref 
>> parent 693299658752
>> Feb 17 11:00:34 hactar kernel:                 ref#24: shared block backref 
>> parent 693290844160
>> Feb 17 11:00:34 hactar kernel:                 ref#25: shared block backref 
>> parent 693281193984
>> Feb 17 11:00:34 hactar kernel:                 ref#26: shared block backref 
>> parent 693275869184
>> Feb 17 11:00:34 hactar kernel:                 ref#27: shared block backref 
>> parent 693262319616
>> Feb 17 11:00:34 hactar kernel:                 ref#28: shared block backref 
>> parent 693243166720
>> Feb 17 11:00:34 hactar kernel:                 ref#29: shared block backref 
>> parent 693189640192
>> Feb 17 11:00:34 hactar kernel:                 ref#30: shared block backref 
>> parent 693185036288
>> Feb 17 11:00:34 hactar kernel:                 ref#31: shared block backref 
>> parent 693181431808
>> Feb 17 11:00:34 hactar kernel:                 ref#32: shared block backref 
>> parent 693168619520
>> Feb 17 11:00:34 hactar kernel:                 ref#33: shared block backref 
>> parent 693168193536
>> Feb 17 11:00:34 hactar kernel:                 ref#34: shared block backref 
>> parent 693144420352
>> Feb 17 11:00:34 hactar kernel:                 ref#35: shared block backref 
>> parent 693137817600
>> Feb 17 11:00:34 hactar kernel:                 ref#36: shared block backref 
>> parent 693137309696
>> Feb 17 11:00:34 hactar kernel:                 ref#37: shared block backref 
>> parent 693133180928
>> Feb 17 11:00:34 hactar kernel:                 ref#38: shared block backref 
>> parent 693112897536
>> Feb 17 11:00:34 hactar kernel:                 ref#39: shared block backref 
>> parent 693047508992
>> Feb 17 11:00:34 hactar kernel:                 ref#40: shared block backref 
>> parent 693041610752
>> Feb 17 11:00:34 hactar kernel:                 ref#41: shared block backref 
>> parent 693041184768
>> Feb 17 11:00:34 hactar kernel:                 ref#42: shared block backref 
>> parent 693014609920
>> Feb 17 11:00:34 hactar kernel:                 ref#43: shared block backref 
>> parent 692995932160
>> Feb 17 11:00:34 hactar kernel:                 ref#44: shared block backref 
>> parent 692972257280
>> Feb 17 11:00:34 hactar kernel:                 ref#45: shared block backref 
>> parent 692960870400
>> Feb 17 11:00:34 hactar kernel:                 ref#46: shared block backref 
>> parent 692908441600
>> Feb 17 11:00:34 hactar kernel:                 ref#47: shared block backref 
>> parent 692808138752
>> Feb 17 11:00:34 hactar kernel:                 ref#48: shared block backref 
>> parent 692787888128
>> Feb 17 11:00:34 hactar kernel:                 ref#49: shared block backref 
>> parent 692753219584
>> Feb 17 11:00:34 hactar kernel:                 ref#50: shared block backref 
>> parent 692732084224
>> Feb 17 11:00:34 hactar kernel:                 ref#51: shared block backref 
>> parent 692729511936
>> Feb 17 11:00:34 hactar kernel:                 ref#52: shared block backref 
>> parent 692726988800
>> Feb 17 11:00:34 hactar kernel:                 ref#53: shared block backref 
>> parent 692726415360
>> Feb 17 11:00:34 hactar kernel:                 ref#54: shared block backref 
>> parent 692725596160
>> Feb 17 11:00:34 hactar kernel:                 ref#55: shared block backref 
>> parent 692646707200
>> Feb 17 11:00:34 hactar kernel:                 ref#56: shared block backref 
>> parent 692629569536
>> Feb 17 11:00:34 hactar kernel:                 ref#57: shared block backref 
>> parent 692613316608
>> Feb 17 11:00:34 hactar kernel:                 ref#58: shared block backref 
>> parent 692613251072
>> Feb 17 11:00:34 hactar kernel:                 ref#59: shared block backref 
>> parent 692591984640
>> Feb 17 11:00:34 hactar kernel:                 ref#60: shared block backref 
>> parent 687173025792
>> Feb 17 11:00:34 hactar kernel:                 ref#61: shared block backref 
>> parent 687134539776
>> Feb 17 11:00:34 hactar kernel:                 ref#62: shared block backref 
>> parent 687098183680
>> Feb 17 11:00:34 hactar kernel:                 ref#63: shared block backref 
>> parent 687019491328
>> Feb 17 11:00:34 hactar kernel:                 ref#64: shared block backref 
>> parent 686975434752
>> Feb 17 11:00:34 hactar kernel:                 ref#65: shared block backref 
>> parent 686955823104
>> Feb 17 11:00:34 hactar kernel:                 ref#66: shared block backref 
>> parent 686742274048
>> Feb 17 11:00:34 hactar kernel:                 ref#67: shared block backref 
>> parent 686736916480
>> Feb 17 11:00:34 hactar kernel:                 ref#68: shared block backref 
>> parent 686695038976
>> Feb 17 11:00:34 hactar kernel:                 ref#69: shared block backref 
>> parent 686570192896
>> Feb 17 11:00:34 hactar kernel:                 ref#70: shared block backref 
>> parent 686503591936
>> Feb 17 11:00:34 hactar kernel:                 ref#71: shared block backref 
>> parent 686486536192
>> Feb 17 11:00:34 hactar kernel:                 ref#72: shared block backref 
>> parent 686463860736
>> Feb 17 11:00:34 hactar kernel:                 ref#73: shared block backref 
>> parent 686451146752
>> Feb 17 11:00:34 hactar kernel:                 ref#74: shared block backref 
>> parent 686449459200
>> Feb 17 11:00:34 hactar kernel:                 ref#75: shared block backref 
>> parent 686445854720
>> Feb 17 11:00:34 hactar kernel:                 ref#76: shared block backref 
>> parent 686343979008
>> Feb 17 11:00:34 hactar kernel:                 ref#77: shared block backref 
>> parent 686343880704
>> Feb 17 11:00:34 hactar kernel:                 ref#78: shared block backref 
>> parent 686317436928
>> Feb 17 11:00:34 hactar kernel:                 ref#79: shared block backref 
>> parent 686314455040
>> Feb 17 11:00:34 hactar kernel:                 ref#80: shared block backref 
>> parent 686211334144
>> Feb 17 11:00:34 hactar kernel:                 ref#81: shared block backref 
>> parent 686179205120
>> Feb 17 11:00:34 hactar kernel:                 ref#82: shared block backref 
>> parent 686164770816
>> Feb 17 11:00:34 hactar kernel:                 ref#83: shared block backref 
>> parent 686150500352
>> Feb 17 11:00:34 hactar kernel:                 ref#84: shared block backref 
>> parent 678499205120
>> Feb 17 11:00:34 hactar kernel:                 ref#85: shared block backref 
>> parent 678492995584
>> Feb 17 11:00:34 hactar kernel:                 ref#86: shared block backref 
>> parent 678349537280
>> Feb 17 11:00:34 hactar kernel:                 ref#87: shared block backref 
>> parent 678258835456
>> Feb 17 11:00:34 hactar kernel:                 ref#88: shared block backref 
>> parent 678194495488
>> Feb 17 11:00:34 hactar kernel:                 ref#89: shared block backref 
>> parent 678167822336
>> Feb 17 11:00:34 hactar kernel:                 ref#90: shared block backref 
>> parent 678147489792
>> Feb 17 11:00:34 hactar kernel:                 ref#91: shared block backref 
>> parent 677907496960
>> Feb 17 11:00:34 hactar kernel:                 ref#92: shared block backref 
>> parent 677688328192
>> Feb 17 11:00:34 hactar kernel:                 ref#93: shared block backref 
>> parent 675389063168
>> Feb 17 11:00:34 hactar kernel:                 ref#94: shared block backref 
>> parent 675308601344
>> Feb 17 11:00:34 hactar kernel:                 ref#95: shared block backref 
>> parent 674464284672
>> Feb 17 11:00:34 hactar kernel:                 ref#96: shared block backref 
>> parent 670436605952
>> Feb 17 11:00:34 hactar kernel:                 ref#97: shared block backref 
>> parent 670381752320
>> Feb 17 11:00:34 hactar kernel:                 ref#98: shared block backref 
>> parent 665171820544
>> Feb 17 11:00:34 hactar kernel:                 ref#99: shared block backref 
>> parent 665169264640
>> Feb 17 11:00:34 hactar kernel:                 ref#100: shared block backref 
>> parent 664973983744
>> Feb 17 11:00:34 hactar kernel:                 ref#101: shared block backref 
>> parent 661157888000
>> Feb 17 11:00:34 hactar kernel:                 ref#102: shared block backref 
>> parent 656306814976
>> Feb 17 11:00:34 hactar kernel:                 ref#103: shared block backref 
>> parent 655110930432
>> Feb 17 11:00:34 hactar kernel:                 ref#104: shared block backref 
>> parent 621981433856
>> Feb 17 11:00:34 hactar kernel:                 ref#105: shared block backref 
>> parent 596014923776
>> Feb 17 11:00:34 hactar kernel:                 ref#106: shared block backref 
>> parent 576450396160
>> Feb 17 11:00:34 hactar kernel:         item 504 key (693626814464 182 
>> 575636258816) itemoff 13001 itemsize 0
>> Feb 17 11:00:34 hactar kernel:                 shared block backref
>> Feb 17 11:00:34 hactar kernel:         item 505 key (693626814464 182 
>> 582375309312) itemoff 13001 itemsize 0
>> Feb 17 11:00:34 hactar kernel:                 shared block backref
>> Feb 17 11:00:34 hactar kernel:         item 506 key (693626814464 182 
>> 596386414592) itemoff 13001 itemsize 0
>> Feb 17 11:00:34 hactar kernel:                 shared block backref
>> Feb 17 11:00:34 hactar kernel:         item 507 key (693626814464 182 
>> 622080770048) itemoff 13001 itemsize 0
>> Feb 17 11:00:34 hactar kernel:                 shared block backref
>> Feb 17 11:00:34 hactar kernel:         item 508 key (693626814464 182 
>> 622095450112) itemoff 13001 itemsize 0
>> Feb 17 11:00:34 hactar kernel:                 shared block backref
>> Feb 17 11:00:34 hactar kernel: BTRFS error (device dm-0): block=711870922752 
>> write time tree block corruption detected
>> Feb 17 11:00:34 hactar kernel: BTRFS: error (device dm-0) in 
>> btrfs_commit_transaction:2376: errno=-5 IO failure (Error while writing out 
>> transaction)
>> Feb 17 11:00:34 hactar kernel: BTRFS info (device dm-0): forced readonly
>> Feb 17 11:00:34 hactar kernel: BTRFS warning (device dm-0): Skipping commit 
>> of aborted transaction.
>> Feb 17 11:00:34 hactar kernel: BTRFS: error (device dm-0) in 
>> cleanup_transaction:1941: errno=-5 IO failure
>> Feb 17 12:27:12 hactar kernel: Bluetooth: hci0: SCO packet for unknown 
>> connection handle 257
>> Feb 17 12:27:12 hactar kernel: Bluetooth: hci0: SCO packet for unknown 
>> connection handle 257
>> Feb 17 12:27:12 hactar kernel: Bluetooth: hci0: SCO packet for unknown 
>> connection handle 257
>> Feb 17 12:27:12 hactar kernel: usb 5-1.1: reset high-speed USB device number 
>> 3 using xhci_hcd
>> Feb 17 12:27:13 hactar kernel: restoring control 
>> 00000000-0000-0000-0000-000000000101/10/5
>> Feb 17 12:27:13 hactar kernel: restoring control 
>> 00000000-0000-0000-0000-000000000101/12/11
>> Feb 17 12:32:10 hactar kernel: usb 5-1.1: reset high-speed USB device number 
>> 3 using xhci_hcd
>> Feb 17 12:32:11 hactar kernel: restoring control 
>> 00000000-0000-0000-0000-000000000101/10/5
>> Feb 17 12:32:11 hactar kernel: restoring control 
>> 00000000-0000-0000-0000-000000000101/12/11
>> Feb 17 12:54:34 hactar kernel: usb 5-1.1: reset high-speed USB device number 
>> 3 using xhci_hcd
>> Feb 17 12:54:34 hactar kernel: restoring control 
>> 00000000-0000-0000-0000-000000000101/10/5
>> Feb 17 12:54:34 hactar kernel: restoring control 
>> 00000000-0000-0000-0000-000000000101/12/11
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