Re: [xfstests/generic/285] Regression from R4 patch 4.0.9 to 4.1.6

[Edward Shishkin <edward.shishkin@gmail.com>]

Hi Dushan,

Could you say "sync" on another console? Does it help?

Thanks,
Edward.

On 09/03/2015 11:57 AM, Dušan Čolić wrote:
> Kernel: linux 4.1.6 and 4.0.9
> R4 patch: 4.1.5 and 4.0.9
> Test: xfstests/genersic/285
> "SEEK_DATA/SEEK_HOLE sanity tests."
>
> http://oss.sgi.com/cgi-bin/gitweb.cgi?p=xfs/cmds/xfstests.git;a=blob;f=tests/generic/285;hb=HEAD
>
>
> With node40 and node41 and both ccreg40 and reg40 plugin on 4.0.9 and
> 3.18.6 test passes in 1s but on 4.1.6 with same .config it works for
> hours.
> Nothing in /var/log/messages
>
> vmstat 2
>
>   procs -----------memory---------- ---swap-- -----io---- -system--
> ------cpu-----
>   r  b   swpd   free   buff  cache   si   so    bi    bo   in   cs us sy id wa st
>   2  0      0 460268   3200  28132    0    0     0     0  252   15 14 87  0  0  0
>   1  0      0 460268   3200  28132    0    0     0     0  252   12 13 87  0  0  0
>   1  0      0 460268   3200  28132    0    0     0     0  253   14 13 88  0  0  0
>   1  0      0 460268   3200  28132    0    0     0     0  252   14 12 88  0  0  0
>   1  0      0 460268   3200  28132    0    0     0     0  252   14 11 90  0  0  0
>
> ps -aux | grep sanity
> root      1323 99.7  0.6   5392  3124 pts/0    R+   13:43   1:31
> /root/xfstests/src/seek_sanity_test /mnt/test/seek_sanity_testfile
>
>
> Reproducible with command:
>   ./check 'generic/285'
>
> with this local.config file for xfstests:
>
> [r4ccHybrid]
> MODULAR=0
> TEST_DEV=/dev/hda5
> TEST_DIR=/mnt/test
> SCRATCH_DEV=/dev/hda7
> SCRATCH_MNT=/mnt/scratch
> RECREATE_TEST_DEV=true
> RESULT_BASE="`pwd`/results/`date +%d%m%y_%H%M%S`"
>
> FSTYP=reiser4
>
> MKFS_OPTIONS=" "
> MOUNT_OPTIONS="-o noatime"
>
> [r4Hybrid]
> MKFS_OPTIONS="-o create=reg40"
> MOUNT_OPTIONS="-o noatime"
>
> [r41ccHybrid]
> MKFS_OPTIONS="-o node=node41"
> MOUNT_OPTIONS="-o noatime"
>
> [r41Hybrid]
> MKFS_OPTIONS="-o create=reg40 -o node=node41"
> MOUNT_OPTIONS="-o noatime"
>
> If you need any other info I'll send it.
>
> Have a nice day
>
> Dushan

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