[Bug 201259] [xfstests shared/010]: maybe pagecache contents is mutated after cycle mount

[bugzilla-daemon@bugzilla.kernel.org]

https://bugzilla.kernel.org/show_bug.cgi?id=201259

--- Comment #7 from Zorro Lang (zlang@redhat.com) ---
(In reply to Zorro Lang from comment #6)
> After upstream merged the patch of this bug, I still can reproduce a
> shared/010 failure:

It's not duperemove related, I've removed all duperemove related part from
shared/010, still can reproduce this bug. On the other word, use fsstress and
md5sum can reproduce this bug.

But if set 'fsstress -f deduperange=0', can't reproduce this bug (at least I
can't reproduce it until now by loop running shared/010 200 times).

Hmm... maybe I should report a new bug, if this's a different bug with this
one.

Thanks,
Zorro

> 
> FSTYP         -- xfs (non-debug)
> PLATFORM      -- Linux/x86_64 xxxxxxxx 4.19.0+
> MKFS_OPTIONS  -- -f -m reflink=1 -b size=1024 /dev/mapper/xxxxxxxx-xfscratch
> MOUNT_OPTIONS -- -o context=system_u:object_r:root_t:s0
> /dev/mapper/xxxxxxxxx-xfscratch /mnt/scratch
>  
> shared/010 160s ... - output mismatch (see
> /home/xfstests-dev/results//shared/010.out.bad)
>     --- tests/shared/010.out    2018-10-16 23:31:53.924269141 -0400
>     +++ /home/xfstests-dev/results//shared/010.out.bad  2018-11-02
> 12:20:39.858510419 -0400
>     @@ -1,2 +1,4 @@
>      QA output created by 010
>     +/mnt/scratch/dir/p0/da/d51XX/f6dXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXX:
> FAILED
>     +md5sum: WARNING: 1 computed checksum did NOT match
>      Silence is golden
>     ...
>     (Run 'diff -u tests/shared/010.out
> /home/xfstests-dev/results//shared/010.out.bad'  to see the entire diff)
> Ran: shared/010
> Failures: shared/010
> Failed 1 of 1 tests
> 
> But maybe it's a new issue, due to I can't reproduce this bug by the
> reproducer on comment#1:
> 
> # bash reproducer.sh
> umount: /mnt/scratch: not mounted.
> wrote 17179869184/17179869184 bytes at offset 0
> 16.000 GiB, 4194304 ops; 0:16:47.88 (16.256 MiB/sec and 4161.4915 ops/sec)
> meta-data=/dev/mapper/xxxxxxxx-xfscratch isize=512    agcount=16,
> agsize=8192000 blks
>          =                       sectsz=512   attr=2, projid32bit=1
>          =                       crc=1        finobt=1, sparse=1, rmapbt=0
>          =                       reflink=1
> data     =                       bsize=4096   blocks=131072000, imaxpct=25
>          =                       sunit=64     swidth=64 blks
> naming   =version 2              bsize=4096   ascii-ci=0, ftype=1
> log      =internal log           bsize=4096   blocks=64000, version=2
>          =                       sectsz=512   sunit=0 blks, lazy-count=1
> realtime =none                   extsz=4096   blocks=0, rtextents=0
> wrote 1772544/1772544 bytes at offset 0
> 2 MiB, 433 ops; 0.0170 sec (99.111 MiB/sec and 25386.9606 ops/sec)
> wrote 840263/840263 bytes at offset 0
> 821 KiB, 206 ops; 0.0083 sec (96.419 MiB/sec and 24786.4276 ops/sec)
> linked 57344/57344 bytes at offset 212992
> 56 KiB, 1 ops; 0.0030 sec (17.698 MiB/sec and 323.6246 ops/sec)
> wrote 74240/74240 bytes at offset 1662464
> 72 KiB, 19 ops; 0.0010 sec (65.984 MiB/sec and 17707.3625 ops/sec)
> linked 122880/122880 bytes at offset 5357568
> 120 KiB, 1 ops; 0.0037 sec (31.477 MiB/sec and 268.6006 ops/sec)
> a42583dd3f7edb0c00e7356c89d3e58c  /mnt/scratch/file
> a42583dd3f7edb0c00e7356c89d3e58c  /mnt/scratch/file
> /mnt/scratch/file:
>  EXT: FILE-OFFSET      BLOCK-RANGE      AG AG-OFFSET        TOTAL FLAGS
>    0: [0..415]:        hole                                   416
>    1: [416..527]:      4880..4991        0 (4880..4991)       112 101111
>    2: [528..1215]:     hole                                   688
>    3: [1216..2863]:    1024..2671        0 (1024..2671)      1648 010101
>    4: [2864..3239]:    hole                                   376
>    5: [3240..3583]:    2672..3015        0 (2672..3015)       344 001111
>    6: [3584..10463]:   hole                                  6880
>    7: [10464..10703]:  7800..8039        0 (7800..8039)       240 101111
>  FLAG Values:
>     0100000 Shared extent
>     0010000 Unwritten preallocated extent
>     0001000 Doesn't begin on stripe unit
>     0000100 Doesn't end   on stripe unit
>     0000010 Doesn't begin on stripe width
>     0000001 Doesn't end   on stripe width
> 00000000  00 00 00 00 00 00 00 00  00 00 00 00 00 00 00 00 
> |................|
> *
> 00034000  72 72 72 72 72 72 72 72  72 72 72 72 72 72 72 72 
> |rrrrrrrrrrrrrrrr|
> *
> 00042000  00 00 00 00 00 00 00 00  00 00 00 00 00 00 00 00 
> |................|
> *
> 00195e00  57 57 57 57 57 57 57 57  57 57 57 57 57 57 57 57 
> |WWWWWWWWWWWWWWWW|
> *
> 001a8000  00 00 00 00 00 00 00 00  00 00 00 00 00 00 00 00 
> |................|
> *
> 0051c000  52 52 52 52 52 52 52 52  52 52 52 52 52 52 52 52 
> |RRRRRRRRRRRRRRRR|
> *
> 0053a000

-- 
You are receiving this mail because:
You are watching the assignee of the bug.