On Wed, Mar 02, 2016 at 08:45:46PM +0800, Gavin Guo wrote:
> On Mon, Feb 15, 2016 at 9:28 PM, Dave Chinner <david@xxxxxxxxxxxxx> wrote:
> > On Mon, Feb 15, 2016 at 12:57:51PM +0100, Jens Rosenboom wrote:
> >> 2016-02-14 1:16 GMT+01:00 Dave Chinner <david@xxxxxxxxxxxxx>:
> >> > On Sat, Feb 13, 2016 at 06:09:17PM +0100, Jens Rosenboom wrote:
> >> >> 2016-01-26 15:17 GMT+01:00 Brian Foster <bfoster@xxxxxxxxxx>:
> >> >> > On Wed, Jan 20, 2016 at 12:58:53PM +1100, Dave Chinner wrote:
> >> >> We have seen this issue on our production Ceph cluster sporadically
> >> >> and have tried a long time to reproduce it in a lab environment.
> >> > ....
> >> >> kmem_alloc (mode:0x2408240)
> >> >> Feb 13 10:51:57 storage-node35 kernel: [10562.614089] XFS:
> >> >> ceph-osd(10078) possible memory allocation deadlock size 32856 in
> >> >> kmem_alloc (mode:0x2408240)
> >> >
> >> > High order allocation of 32k. That implies a buffer size of at least
> >> > 32k is in use. Can you tell me what the output of xfs_info <mntpt>
> >> > is for one of your filesystems?
> >>
> >> $ xfs_info /tmp/cbt/mnt/osd-device-0-data/
> >> meta-data=/dev/sda2 isize=2048 agcount=4, agsize=97370688
> >> blks
> >> = sectsz=512 attr=2, projid32bit=1
> >> = crc=0 finobt=0
> >> data = bsize=4096 blocks=389482752, imaxpct=5
> >> = sunit=0 swidth=0 blks
> >> naming =version 2 bsize=65536 ascii-ci=0 ftype=0
> >> log =internal bsize=4096 blocks=190177, version=2
> >> = sectsz=512 sunit=0 blks, lazy-count=1
> >> realtime =none extsz=4096 blocks=0, rtextents=0
> >
> > OK, so 64k directory block size.
> >
> >> > I suspect you are using a 64k directory block size, in which case
> >> > I'll ask "are you storing millions of files in a single directory"?
> >> > If your answer is no, then "don't do that" is an appropriate
> >> > solution because large directory block sizes are slower than the
> >> > default (4k) for almost all operations until you get up into the
> >> > millions of files per directory range.
> >>
> >> These options are kind of standard folklore for setting up Ceph
> >> clusters, I must admit that I delayed testing their performance
> >> implications up to now, so many knobs to turn, so little time.
> >>
> >> mkfs_opts: '-f -i size=2048 -n size=64k'
> >> mount_opts: '-o inode64,noatime,logbsize=256k'
> >
> > /me shakes his head sadly.
> >
> > Can you please go nuke where ever you read that from orbit? Please?
> > It's the only way to be sure that the contagious cargo-cult
> > stupidity doesn't spread further.
> >
> >> It turns out that when running with '-n size=4k'
> >
> > i.e. the default.
> >
> >> , indeed I do not get
> >> any warnings during a 10h test run. I'll try to come up with some more
> >> detailed benchmarking of the possible performance impacts, too.
> >
> > No surprise there. :/
> >
> > FWIW, for small file Ceph workloads (e.g swift stores) we've found
> > that 8k directory block sizes give marginal improvements over the
> > default 4k, but it's all down hill from there.
> >
> >> Am I right in assuming that this parameter can not be tuned after the
> >> initial mkfs?
> >
> > That's right.
> >
> >> In that case getting a production-ready version of your
> >> patch would probably still be valuable for cluster admins wanting to
> >> avoid having to move all of their data to new filesystems.
> >
> > Well, yes, that's why I'm working on it. But it's critical core
> > code, it's also damn tricky and complex, and if I get it wrong it
> > will corrupt filesystems. So I'm not going to rush a prototype fix
> > out into production systems no matter how much pressure people put
> > on me to ship a fix.
> >
> >> >> Soon after this, operations get so slow that the OSDs die because of
> >> >> their suicide timeouts.
> >> >>
> >> >> Then I installed onto 3 servers this patch (applied onto kernel
> >> >> v4.4.1). The bad news is that I am still getting the kernel messages
> >> >> on these machines. The good news, though, is that they appear at a
> >> >> much lower frequency and also the impact on performance seems to be
> >> >> lower, so the OSD processes on these three nodes did not get killed.
> >> >
> >> > Right, the patch doesn't fix the underlying issue that memory
> >> > fragmentation can prevent high order allocation from succeeding for
> >> > long periods. However, it does ensure that the filesystem does not
> >> > immediately deadlock memory reclaim when it happens so the system
> >> > has a chance to recover. It still can deadlock the filesystem,
> >> > because if we can't commit the transaction we can't unlock the
> >> > objects in the transaction and everything can get stuck behind that
> >> > if there's something sufficiently important in the blocked
> >> > transaction.
> >>
> >> So how would your success criteria for getting this patch into
> >> upstream look like?
> >
> > It's already "successful". I've proved locally that it avoids a memory
> > reclaim deadlock that many people have reported over the past year.
> > So there's no question that we need a fix to the problem; it's now
> > just a matter of determining if the issues with this fix (e.g.
> > doubling memory usage of the CIL) are an acceptible tradeoff for
> > production workloads, or whether I've got to go back and prototype a
> > fourth attempt at fixing the problem...
> >
> > And, of course, there's only some many hours int eh day. I'm into my
> > 19th right now, and I havent' got through everything on my list for
> > today yet. Tomorrow's list is even longer, and when I get through
> > that, I hit the big one: "read, understand and review 10000 lines of
> > complex new code"....
> >
> >> Would a benchmark of the 64k directory block size
> >> case on machines all running with patched kernels be interesting? Or
> >> would that scenario disqualify itself as being mistuned in the first
> >> place?
> >
> > Not really - I've confirmed it doesn't cause performance issues on
> > my usual tranche of benhmarks, so I'mnot conerned about that (it;s
> > the same amount of work being done, anyway). Correctness is much
> > more important right now, and that takes time, effort and focus to
> > verify.
> >
> > And speaking of focus, it's now time for me to sleep.
> >
> > Cheers,
> >
> > Dave.
> > --
> > Dave Chinner
> > david@xxxxxxxxxxxxx
> >
> > _______________________________________________
> > xfs mailing list
> > xfs@xxxxxxxxxxx
> > http://oss.sgi.com/mailman/listinfo/xfs
>
> I've recently backported the patch to the v3.13 kernel to see if the bug
> can be fixed by the patch. Currently, since the bug only can be reproduced
> on the production system, I need to ensure the code work correctly before
> deploying the kernel. The following is the v3.13 backported kernel source:
>
> http://kernel.ubuntu.com/git/gavinguo/ubuntu-trusty-amd64.git/log/?h=hf00084724v20160219b0hc57647a
>
> I also did the xfstests verification and the log is attached. There are
> failed 7 of 93 tests. Investigation is still ongoing to determine if these
> errors are related to the file system core functionality failure due to the
> backporting incorrection.
>
> I'll appreciate if you can give any suggestion to do the testing, give a
> glance to the backported patch or the xfstests error log to see if there is
> any thing wrong.
> ubuntu@xfs-test-vm:~/os/xfstests$ uname -a
> Linux xfs-test-vm 3.13.0-77-generic #121hf00084724v20160219b0hc57647a SMP Fri
> Feb 19 08:49:18 UTC 20 x86_64 x86_64 x86_64 GNU/Linux
> ubuntu@xfs-test-vm:~/os/xfstests$ TEST_DEV="/dev/vdb"
> TEST_DIR="/mnt/xfs_mnt/" ./check
> check: QA must be run as root
> ubuntu@xfs-test-vm:~/os/xfstests$ sudo !!
> sudo TEST_DEV="/dev/vdb" TEST_DIR="/mnt/xfs_mnt/" ./check
> sudo: unable to resolve host xfs-test-vm
> FSTYP -- xfs (non-debug)
> PLATFORM -- Linux/x86_64 xfs-test-vm 3.13.0-77-generic
>
> generic/001 3s
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> generic/003 [not run] this test requires a valid $SCRATCH_DEV
Got a second hard drive? Point SCRATCH_DEV to it (and SCRATCH_MNT to a
second empty directory) and you'll get way more testing coverage.
> generic/004 [not run] xfs_io flink support is missing
Heh, old xfsprogs/kernel. :)
(Some of those xfs_repair segfaults are probably fixed in newer xfsprogs...)
--D
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> umount: /mnt/xfs_mnt: device is busy.
> (In some cases useful info about processes that use
> the device is found by lsof(8) or fuser(1))
> _check_xfs_filesystem: filesystem on /dev/vdb has dirty log (see
> /home/ubuntu/os/xfstests/results//generic/208.full)
> _check_xfs_filesystem: filesystem on /dev/vdb is inconsistent (c) (see
> /home/ubuntu/os/xfstests/results//generic/208.full)
> _check_xfs_filesystem: filesystem on /dev/vdb is inconsistent (r) (see
> /home/ubuntu/os/xfstests/results//generic/208.full)
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> _check_dmesg: something found in dmesg (see
> /home/ubuntu/os/xfstests/results//generic/247.dmesg)
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> generic/263 [failed, exit status 1] - output mismatch (see
> /home/ubuntu/os/xfstests/results//generic/263.out.bad)
> --- tests/generic/263.out 2016-03-02 07:03:04.063808319 +0000
> +++ /home/ubuntu/os/xfstests/results//generic/263.out.bad 2016-03-02
> 07:53:20.511808319 +0000
> @@ -1,3 +1,8887 @@
> QA output created by 263
> fsx -N 10000 -o 8192 -l 500000 -r PSIZE -t BSIZE -w BSIZE -Z
> fsx -N 10000 -o 128000 -l 500000 -r PSIZE -t BSIZE -w BSIZE -Z
> +main: filesystem does not support fallocate mode FALLOC_FL_ZERO_RANGE,
> disabling!
> +main: filesystem does not support fallocate mode
> FALLOC_FL_COLLAPSE_RANGE, disabling!
> +main: filesystem does not support fallocate mode FALLOC_FL_INSERT_RANGE,
> disabling!
> +truncating to largest ever: 0x11e00
> ...
> (Run 'diff -u tests/generic/263.out
> /home/ubuntu/os/xfstests/results//generic/263.out.bad' to see the entire
> diff)
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> generic/276 [not run] this test requires a valid $SCRATCH_DEV
> generic/277 [not run] this test requires a valid $SCRATCH_DEV
> generic/278 [not run] this test requires a valid $SCRATCH_DEV
> generic/279 [not run] this test requires a valid $SCRATCH_DEV
> generic/280 [not run] this test requires a valid $SCRATCH_DEV
> generic/281 [not run] this test requires a valid $SCRATCH_DEV
> generic/282 [not run] this test requires a valid $SCRATCH_DEV
> generic/283 [not run] this test requires a valid $SCRATCH_DEV
> generic/284 [not run] this test requires a valid $SCRATCH_DEV
> generic/285 0s
> generic/286 5s
> generic/287 [not run] this test requires a valid $SCRATCH_DEV
> generic/288 [not run] this test requires a valid $SCRATCH_DEV
> generic/289 [not run] this test requires a valid $SCRATCH_DEV
> generic/290 [not run] this test requires a valid $SCRATCH_DEV
> generic/291 [not run] this test requires a valid $SCRATCH_DEV
> generic/292 [not run] this test requires a valid $SCRATCH_DEV
> generic/293 [not run] this test requires a valid $SCRATCH_DEV
> generic/294 [not run] this test requires a valid $SCRATCH_DEV
> generic/295 [not run] this test requires a valid $SCRATCH_DEV
> generic/296 [not run] this test requires a valid $SCRATCH_DEV
> generic/297 [not run] this test requires a valid $SCRATCH_DEV
> generic/298 [not run] this test requires a valid $SCRATCH_DEV
> generic/299 [not run] this test requires a valid $SCRATCH_DEV
> generic/300 [not run] this test requires a valid $SCRATCH_DEV
> generic/301 [not run] this test requires a valid $SCRATCH_DEV
> generic/302 [not run] this test requires a valid $SCRATCH_DEV
> generic/303 [not run] xfs_io reflink support is missing
> generic/304 [not run] xfs_io dedupe support is missing
> generic/305 [not run] this test requires a valid $SCRATCH_DEV
> generic/306 [not run] this test requires a valid $SCRATCH_DEV
> generic/307 [not run] this test requires a valid $SCRATCH_DEV
> generic/308 0s
> generic/309 1s
> generic/310 65s
> generic/311 [not run] this test requires a valid $SCRATCH_DEV
> generic/312 [not run] this test requires a valid $SCRATCH_DEV
> generic/313 4s
> generic/314 [not run] chacl command not found
> generic/315 0s
> generic/316 1s
> generic/317 [not run] this test requires a valid $SCRATCH_DEV
> generic/318 [not run] this test requires a valid $SCRATCH_DEV
> generic/319 [not run] chacl command not found
> generic/320 [not run] this test requires a valid $SCRATCH_DEV
> generic/321 [not run] this test requires a valid $SCRATCH_DEV
> generic/322 [not run] this test requires a valid $SCRATCH_DEV
> generic/323 121s
> generic/324 [not run] this test requires a valid $SCRATCH_DEV
> generic/325 [not run] this test requires a valid $SCRATCH_DEV
> generic/326 [not run] this test requires a valid $SCRATCH_DEV
> generic/327 [not run] this test requires a valid $SCRATCH_DEV
> generic/328 [not run] this test requires a valid $SCRATCH_DEV
> generic/329 [not run] this test requires a valid $SCRATCH_DEV
> generic/330 [not run] this test requires a valid $SCRATCH_DEV
> generic/331 [not run] this test requires a valid $SCRATCH_DEV
> generic/332 [not run] this test requires a valid $SCRATCH_DEV
> generic/333 [not run] this test requires a valid $SCRATCH_DEV
> generic/334 [not run] this test requires a valid $SCRATCH_DEV
> generic/335 [not run] this test requires a valid $SCRATCH_DEV
> generic/336 [not run] this test requires a valid $SCRATCH_DEV
> generic/337 [not run] this test requires a valid $SCRATCH_DEV
> shared/001 [not run] not suitable for this filesystem type: xfs
> shared/002 [not run] this test requires a valid $SCRATCH_DEV
> shared/003 [not run] not suitable for this filesystem type: xfs
> shared/006 [not run] this test requires a valid $SCRATCH_DEV
> shared/032 [not run] this test requires a valid $SCRATCH_DEV
> shared/051 [not run] chacl command not found
> shared/272 [not run] not suitable for this filesystem type: xfs
> shared/289 [not run] not suitable for this filesystem type: xfs
> shared/298 45s
> xfs/001 [not run] this test requires a valid $SCRATCH_DEV
> xfs/002 [not run] this test requires a valid $SCRATCH_DEV
> xfs/003 0s
> xfs/004 [not run] this test requires a valid $SCRATCH_DEV
> xfs/005 [not run] this test requires a valid $SCRATCH_DEV
> xfs/006 [not run] this test requires a valid $SCRATCH_DEV
> xfs/007 [not run] this test requires a valid $SCRATCH_DEV
> xfs/008 2s
> xfs/009 [not run] this test requires a valid $SCRATCH_DEV
> xfs/010 [not run] this test requires a valid $SCRATCH_DEV
> xfs/011 [not run] this test requires a valid $SCRATCH_DEV
> xfs/012 2s
> xfs/013 [not run] this test requires a valid $SCRATCH_DEV
> xfs/014 [not run] this test requires a valid $SCRATCH_DEV
> xfs/015 [not run] this test requires a valid $SCRATCH_DEV
> xfs/016 [not run] this test requires a valid $SCRATCH_DEV
> xfs/017 [not run] this test requires a valid $SCRATCH_DEV
> xfs/018 [not run] this test requires a valid $SCRATCH_DEV
> xfs/019 [not run] this test requires a valid $SCRATCH_DEV
> xfs/020 [failed, exit status 139] - output mismatch (see
> /home/ubuntu/os/xfstests/results//xfs/020.out.bad)
> --- tests/xfs/020.out 2016-03-02 07:03:04.083808319 +0000
> +++ /home/ubuntu/os/xfstests/results//xfs/020.out.bad 2016-03-02
> 07:58:56.063808319 +0000
> @@ -1,2 +1,3 @@
> QA output created by 020
> Silence is golden
> +./tests/xfs/020: line 58: 28658 Segmentation fault $XFS_REPAIR_PROG
> -f -o ag_stride=32 -t 1 $fsfile > /dev/null 2>&1
> ...
> (Run 'diff -u tests/xfs/020.out
> /home/ubuntu/os/xfstests/results//xfs/020.out.bad' to see the entire diff)
> xfs/021 [not run] this test requires a valid $SCRATCH_DEV
> xfs/022 [not run] xfsdump not found
> xfs/023 [not run] xfsdump not found
> xfs/024 [not run] xfsdump not found
> xfs/025 [not run] xfsdump not found
> xfs/026 [not run] xfsdump not found
> xfs/027 [not run] xfsdump not found
> xfs/028 [not run] xfsdump not found
> xfs/029 [not run] this test requires a valid $SCRATCH_DEV
> xfs/030 [not run] this test requires a valid $SCRATCH_DEV
> xfs/031 [not run] this test requires a valid $SCRATCH_DEV
> xfs/032 [not run] this test requires a valid $SCRATCH_DEV
> xfs/033 [not run] this test requires a valid $SCRATCH_DEV
> xfs/034 [not run] this test requires a valid $SCRATCH_DEV
> xfs/035 [not run] xfsdump not found
> xfs/036 [not run] xfsdump not found
> xfs/037 [not run] xfsdump not found
> xfs/038 [not run] xfsdump not found
> xfs/039 [not run] xfsdump not found
> xfs/040 [not run] Can't run srcdiff without KWORKAREA set
> xfs/041 [not run] this test requires a valid $SCRATCH_DEV
> xfs/042 [not run] this test requires a valid $SCRATCH_DEV
> xfs/043 [not run] xfsdump not found
> xfs/044 [not run] This test requires a valid $SCRATCH_LOGDEV
> xfs/045 [not run] this test requires a valid $SCRATCH_DEV
> xfs/046 [not run] xfsdump not found
> xfs/047 [not run] xfsdump not found
> xfs/048 0s
> xfs/049 [not run] this test requires a valid $SCRATCH_DEV
> xfs/050 [not run] this test requires a valid $SCRATCH_DEV
> xfs/051 [not run] this test requires a valid $SCRATCH_DEV
> xfs/052 [not run] this test requires a valid $SCRATCH_DEV
> xfs/053 [not run] this test requires a valid $SCRATCH_DEV
> xfs/054 [not run] this test requires a valid $SCRATCH_DEV
> xfs/055 [not run] xfsdump not found
> xfs/056 [not run] xfsdump not found
> xfs/057 [not run] Place holder for IRIX test 057
> xfs/058 [not run] Place holder for IRIX test 058
> xfs/059 [not run] xfsdump not found
> xfs/060 [not run] xfsdump not found
> xfs/061 [not run] xfsdump not found
> xfs/062 [not run] this test requires a valid $SCRATCH_DEV
> xfs/063 [not run] xfsdump not found
> xfs/064 [not run] xfsdump not found
> xfs/065 [not run] xfsdump not found
> xfs/066 [not run] xfsdump not found
> xfs/067 [not run] chacl command not found
> xfs/068 [not run] xfsdump not found
> xfs/069 [not run] this test requires a valid $SCRATCH_DEV
> xfs/070 [not run] this test requires a valid $SCRATCH_DEV
> xfs/071 [not run] this test requires a valid $SCRATCH_DEV
> xfs/072 [not run] this test requires a valid $SCRATCH_DEV
> xfs/073 [not run] this test requires a valid $SCRATCH_DEV
> xfs/074 [failed, exit status 1] - output mismatch (see
> /home/ubuntu/os/xfstests/results//xfs/074.out.bad)
> --- tests/xfs/074.out 2016-03-02 07:03:04.095808319 +0000
> +++ /home/ubuntu/os/xfstests/results//xfs/074.out.bad 2016-03-02
> 07:59:19.943808319 +0000
> @@ -1,2 +1,4 @@
> QA output created by 074
> -Silence is golden
> +fallocate: No space left on device
> +_check_xfs_filesystem: filesystem on /dev/loop0 is inconsistent (c) (see
> /home/ubuntu/os/xfstests/results//xfs/074.full)
> +_check_xfs_filesystem: filesystem on /dev/loop0 is inconsistent (r) (see
> /home/ubuntu/os/xfstests/results//xfs/074.full)
> ...
> (Run 'diff -u tests/xfs/074.out
> /home/ubuntu/os/xfstests/results//xfs/074.out.bad' to see the entire diff)
> xfs/075 [not run] this test requires a valid $SCRATCH_DEV
> xfs/076 [not run] this test requires a valid $SCRATCH_DEV
> xfs/077 [not run] this test requires a valid $SCRATCH_DEV
> xfs/078 48s
> xfs/079 [not run] this test requires a valid $SCRATCH_DEV
> xfs/080 5s
> xfs/081 [not run] this test requires a valid $SCRATCH_DEV
> xfs/082 [not run] this test requires a valid $SCRATCH_DEV
> xfs/083 [not run] this test requires a valid $SCRATCH_DEV
> xfs/084 60s
> xfs/085 [not run] this test requires a valid $SCRATCH_DEV
> xfs/086 [not run] this test requires a valid $SCRATCH_DEV
> xfs/087 [not run] this test requires a valid $SCRATCH_DEV
> xfs/088 [not run] this test requires a valid $SCRATCH_DEV
> xfs/089 [not run] this test requires a valid $SCRATCH_DEV
> xfs/090 [not run] External volumes not in use, skipped this test
> xfs/091 [not run] this test requires a valid $SCRATCH_DEV
> xfs/092 [not run] this test requires a valid $SCRATCH_DEV
> xfs/093 [not run] this test requires a valid $SCRATCH_DEV
> xfs/094 [not run] External volumes not in use, skipped this test
> xfs/095 [not run] not suitable for this OS: Linux
> xfs/096 [not run] this test requires a valid $SCRATCH_DEV
> xfs/097 [not run] this test requires a valid $SCRATCH_DEV
> xfs/098 [not run] this test requires a valid $SCRATCH_DEV
> xfs/099 [not run] this test requires a valid $SCRATCH_DEV
> xfs/100 [not run] this test requires a valid $SCRATCH_DEV
> xfs/101 [not run] this test requires a valid $SCRATCH_DEV
> xfs/102 [not run] this test requires a valid $SCRATCH_DEV
> xfs/103 [not run] this test requires a valid $SCRATCH_DEV
> xfs/104 [not run] this test requires a valid $SCRATCH_DEV
> xfs/105 [not run] this test requires a valid $SCRATCH_DEV
> xfs/106 [not run] this test requires a valid $SCRATCH_DEV
> xfs/107 [not run] this test requires a valid $SCRATCH_DEV
> xfs/108 [not run] this test requires a valid $SCRATCH_DEV
> xfs/109 [not run] this test requires a valid $SCRATCH_DEV
> xfs/110 [not run] this test requires a valid $SCRATCH_DEV
> xfs/111 [not run] this test requires a valid $SCRATCH_DEV
> xfs/112 [not run] this test requires a valid $SCRATCH_DEV
> xfs/113 [not run] this test requires a valid $SCRATCH_DEV
> xfs/114 [not run] not suitable for this OS: Linux
> xfs/115 [not run] not suitable for this OS: Linux
> xfs/116 [not run] this test requires a valid $SCRATCH_DEV
> xfs/117 [not run] this test requires a valid $SCRATCH_DEV
> xfs/118 [not run] this test requires a valid $SCRATCH_DEV
> xfs/119 [not run] this test requires a valid $SCRATCH_DEV
> xfs/120 [not run] this test requires a valid $SCRATCH_DEV
> xfs/121 [not run] this test requires a valid $SCRATCH_DEV
> xfs/122 [not run] indent utility required, skipped this test
> xfs/123 [not run] this test requires a valid $SCRATCH_DEV
> xfs/124 [not run] this test requires a valid $SCRATCH_DEV
> xfs/125 [not run] this test requires a valid $SCRATCH_DEV
> xfs/126 [not run] this test requires a valid $SCRATCH_DEV
> xfs/127 [not run] this test requires a valid $SCRATCH_DEV
> xfs/128 [not run] this test requires a valid $SCRATCH_DEV
> xfs/129 [not run] this test requires a valid $SCRATCH_DEV
> xfs/130 [not run] this test requires a valid $SCRATCH_DEV
> xfs/131 [not run] External volumes not in use, skipped this test
> xfs/132 [not run] xfs_io reflink support is missing
> xfs/133 [not run] this test requires a valid $SCRATCH_DEV
> xfs/134 [not run] this test requires a valid $SCRATCH_DEV
> xfs/135 [not run] this test requires a valid $SCRATCH_DEV
> xfs/136 [not run] this test requires a valid $SCRATCH_DEV
> xfs/137 [not run] this test requires a valid $SCRATCH_DEV
> xfs/138 [not run] this test requires a valid $SCRATCH_DEV
> xfs/139 [not run] this test requires a valid $SCRATCH_DEV
> xfs/140 [not run] this test requires a valid $SCRATCH_DEV
> xfs/141 [not run] no kernel support for XFS sysfs attributes
> xfs/142 [not run] this test requires a valid $SCRATCH_DEV
> xfs/143 [not run] this test requires a valid $SCRATCH_DEV
> xfs/144 [not run] this test requires a valid $SCRATCH_DEV
> xfs/145 [not run] this test requires a valid $SCRATCH_DEV
> xfs/146 [not run] this test requires a valid $SCRATCH_DEV
> xfs/147 [not run] this test requires a valid $SCRATCH_DEV
> xfs/148 [not run] parallel repair binary xfs_prepair64 is not installed
> xfs/149 [not run] parallel repair binary xfs_prepair is not installed
> xfs/150 [not run] this test requires a valid $SCRATCH_DEV
> xfs/151 [not run] this test requires a valid $SCRATCH_DEV
> xfs/152 [not run] this test requires a valid $SCRATCH_DEV
> xfs/153 [not run] this test requires a valid $SCRATCH_DEV
> xfs/154 [not run] this test requires a valid $SCRATCH_DEV
> xfs/155 [not run] this test requires a valid $SCRATCH_DEV
> xfs/156 [not run] this test requires a valid $SCRATCH_DEV
> xfs/157 [not run] this test requires a valid $SCRATCH_DEV
> xfs/158 [not run] this test requires a valid $SCRATCH_DEV
> xfs/159 [not run] this test requires a valid $SCRATCH_DEV
> xfs/160 [not run] this test requires a valid $SCRATCH_DEV
> xfs/161 [not run] this test requires a valid $SCRATCH_DEV
> xfs/162 [not run] this test requires a valid $SCRATCH_DEV
> xfs/163 [not run] this test requires a valid $SCRATCH_DEV
> xfs/164 0s
> xfs/165 0s
> xfs/166 [not run] this test requires a valid $SCRATCH_DEV
> xfs/167 [not run] this test requires a valid $SCRATCH_DEV
> xfs/168 [not run] this test requires a valid $SCRATCH_DEV
> xfs/169 [not run] this test requires a valid $SCRATCH_DEV
> xfs/170 [not run] this test requires a valid $SCRATCH_DEV
> xfs/171 [not run] this test requires a valid $SCRATCH_DEV
> xfs/172 [not run] this test requires a valid $SCRATCH_DEV
> xfs/173 [not run] this test requires a valid $SCRATCH_DEV
> xfs/174 [not run] this test requires a valid $SCRATCH_DEV
> xfs/175 [not run] this test requires a valid $SCRATCH_DEV
> xfs/176 [not run] this test requires a valid $SCRATCH_DEV
> xfs/177 [not run] this test requires a valid $SCRATCH_DEV
> xfs/178 [not run] this test requires a valid $SCRATCH_DEV
> xfs/179 [not run] this test requires a valid $SCRATCH_DEV
> xfs/180 [not run] this test requires a valid $SCRATCH_DEV
> xfs/181 [not run] this test requires a valid $SCRATCH_DEV
> xfs/182 [not run] this test requires a valid $SCRATCH_DEV
> xfs/183 [not run] this test requires a valid $SCRATCH_DEV
> xfs/184 [not run] this test requires a valid $SCRATCH_DEV
> xfs/185 [not run] this test requires a valid $SCRATCH_DEV
> xfs/186 [not run] this test requires a valid $SCRATCH_DEV
> xfs/187 [not run] this test requires a valid $SCRATCH_DEV
> xfs/188 [not run] this test requires a valid $SCRATCH_DEV
> xfs/189 [not run] this test requires a valid $SCRATCH_DEV
> xfs/190 [not run] this test requires a valid $SCRATCH_DEV
> xfs/191 [not run] this test requires a valid $SCRATCH_DEV
> xfs/192 [not run] this test requires a valid $SCRATCH_DEV
> xfs/193 [not run] this test requires a valid $SCRATCH_DEV
> xfs/194 [not run] sector size(4096) too large for platform page size(4096)
> xfs/195 [not run] xfsdump utility required, skipped this test
> xfs/196 [not run] this test requires a valid $SCRATCH_DEV
> xfs/197 [not run] This test is only valid on 32 bit machines
> xfs/198 [not run] this test requires a valid $SCRATCH_DEV
> xfs/199 [not run] this test requires a valid $SCRATCH_DEV
> xfs/200 [not run] this test requires a valid $SCRATCH_DEV
> xfs/201 [not run] this test requires a valid $SCRATCH_DEV
> xfs/202 [not run] this test requires a valid $SCRATCH_DEV
> xfs/203 [not run] this test requires a valid $SCRATCH_DEV
> xfs/204 [not run] this test requires a valid $SCRATCH_DEV
> xfs/205 [not run] this test requires a valid $SCRATCH_DEV
> xfs/206 4s
> xfs/207 [not run] this test requires a valid $SCRATCH_DEV
> xfs/208 [not run] this test requires a valid $SCRATCH_DEV
> xfs/209 [not run] this test requires a valid $SCRATCH_DEV
> xfs/210 [not run] this test requires a valid $SCRATCH_DEV
> xfs/211 [not run] this test requires a valid $SCRATCH_DEV
> xfs/212 [not run] this test requires a valid $SCRATCH_DEV
> xfs/213 [not run] this test requires a valid $SCRATCH_DEV
> xfs/214 [not run] this test requires a valid $SCRATCH_DEV
> xfs/215 [not run] this test requires a valid $SCRATCH_DEV
> xfs/216 [not run] this test requires a valid $SCRATCH_DEV
> xfs/217 [not run] this test requires a valid $SCRATCH_DEV
> xfs/218 [not run] this test requires a valid $SCRATCH_DEV
> xfs/219 [not run] this test requires a valid $SCRATCH_DEV
> xfs/220 [not run] this test requires a valid $SCRATCH_DEV
> xfs/221 [not run] this test requires a valid $SCRATCH_DEV
> xfs/222 0s
> xfs/223 [not run] this test requires a valid $SCRATCH_DEV
> xfs/224 [not run] this test requires a valid $SCRATCH_DEV
> xfs/225 [not run] this test requires a valid $SCRATCH_DEV
> xfs/226 [not run] this test requires a valid $SCRATCH_DEV
> xfs/227 [not run] this test requires a valid $SCRATCH_DEV
> xfs/228 [not run] this test requires a valid $SCRATCH_DEV
> xfs/229 75s
> xfs/230 [not run] this test requires a valid $SCRATCH_DEV
> xfs/231 [not run] this test requires a valid $SCRATCH_DEV
> xfs/232 [not run] this test requires a valid $SCRATCH_DEV
> xfs/233 [not run] this test requires a valid $SCRATCH_DEV
> xfs/234 [not run] this test requires a valid $SCRATCH_DEV
> xfs/235 [not run] this test requires a valid $SCRATCH_DEV
> xfs/236 [not run] this test requires a valid $SCRATCH_DEV
> xfs/237 [not run] this test requires a valid $SCRATCH_DEV
> xfs/238 [not run] this test requires a valid $SCRATCH_DEV
> xfs/239 [not run] this test requires a valid $SCRATCH_DEV
> xfs/240 [not run] this test requires a valid $SCRATCH_DEV
> xfs/241 [not run] this test requires a valid $SCRATCH_DEV
> xfs/242 1s
> xfs/243 [not run] this test requires a valid $SCRATCH_DEV
> xfs/244 [not run] this test requires a valid $SCRATCH_DEV
> xfs/245 [not run] this test requires a valid $SCRATCH_DEV
> xfs/246 [not run] xfs_io bmap doesn't support -c
> xfs/247 [not run] this test requires a valid $SCRATCH_DEV
> xfs/248 [not run] this test requires a valid $SCRATCH_DEV
> xfs/249 [not run] this test requires a valid $SCRATCH_DEV
> xfs/250 [failed, exit status 1] - output mismatch (see
> /home/ubuntu/os/xfstests/results//xfs/250.out.bad)
> --- tests/xfs/250.out 2016-03-02 07:03:04.119808319 +0000
> +++ /home/ubuntu/os/xfstests/results//xfs/250.out.bad 2016-03-02
> 08:03:49.847808319 +0000
> @@ -11,4 +11,4 @@
> *** preallocate large file
> *** unmount loop filesystem
> *** check loop filesystem
> -*** done
> +_check_xfs_filesystem: filesystem on /mnt/xfs_mnt/250.fs is inconsistent
> (r) (see /home/ubuntu/os/xfstests/results//xfs/250.full)
> ...
> (Run 'diff -u tests/xfs/250.out
> /home/ubuntu/os/xfstests/results//xfs/250.out.bad' to see the entire diff)
> xfs/251 [not run] this test requires a valid $SCRATCH_DEV
> xfs/252 2s
> xfs/253 [not run] this test requires a valid $SCRATCH_DEV
> xfs/254 [not run] this test requires a valid $SCRATCH_DEV
> xfs/255 [not run] this test requires a valid $SCRATCH_DEV
> xfs/256 [not run] this test requires a valid $SCRATCH_DEV
> xfs/257 [not run] this test requires a valid $SCRATCH_DEV
> xfs/258 [not run] this test requires a valid $SCRATCH_DEV
> xfs/259 2s
> xfs/260 [not run] this test requires a valid $SCRATCH_DEV
> xfs/261 [not run] this test requires a valid $SCRATCH_DEV
> xfs/262 [not run] this test requires a valid $SCRATCH_DEV
> xfs/266 [not run] xfsdump not found
> xfs/267 [not run] xfsdump not found
> xfs/268 [not run] xfsdump not found
> xfs/278 [not run] this test requires a valid $SCRATCH_DEV
> xfs/279 7s
> xfs/281 [not run] xfsdump not found
> xfs/282 [not run] xfsdump not found
> xfs/283 [not run] xfsdump not found
> xfs/287 [not run] xfsdump not found
> xfs/290 1s
> xfs/291 [not run] this test requires a valid $SCRATCH_DEV
> xfs/292 - output mismatch (see
> /home/ubuntu/os/xfstests/results//xfs/292.out.bad)
> --- tests/xfs/292.out 2016-03-02 07:03:04.123808319 +0000
> +++ /home/ubuntu/os/xfstests/results//xfs/292.out.bad 2016-03-02
> 08:04:19.487808319 +0000
> @@ -5,5 +5,5 @@
> agsize=16777216
> mkfs.xfs with cmdline geometry
> ddev=FILENAME
> -agcount=16
> -agsize=4194304
> +agcount=4
> +agsize=16777216
> ...
> (Run 'diff -u tests/xfs/292.out
> /home/ubuntu/os/xfstests/results//xfs/292.out.bad' to see the entire diff)
> xfs/293 - output mismatch (see
> /home/ubuntu/os/xfstests/results//xfs/293.out.bad)
> --- tests/xfs/293.out 2016-03-02 07:03:04.123808319 +0000
> +++ /home/ubuntu/os/xfstests/results//xfs/293.out.bad 2016-03-02
> 08:04:22.499808319 +0000
> @@ -1,2 +1,8 @@
> QA output created by 293
> Silence is golden
> +chproj not documented in the xfs_io manpage
> +fiemap not documented in the xfs_io manpage
> +fpunch not documented in the xfs_io manpage
> +lsproj not documented in the xfs_io manpage
> +setfl not documented in the xfs_io manpage
> ...
> (Run 'diff -u tests/xfs/293.out
> /home/ubuntu/os/xfstests/results//xfs/293.out.bad' to see the entire diff)
> xfs/295 [not run] this test requires a valid $SCRATCH_DEV
> xfs/296 [not run] xfsdump not found
> xfs/297 [not run] this test requires a valid $SCRATCH_DEV
> xfs/298 [not run] this test requires a valid $SCRATCH_DEV
> xfs/299 [not run] this test requires a valid $SCRATCH_DEV
> xfs/300 [not run] this test requires a valid $SCRATCH_DEV
> xfs/301 [not run] xfsdump not found
> xfs/302 [not run] xfsdump not found
> xfs/303 1s
> xfs/304 [not run] this test requires a valid $SCRATCH_DEV
> xfs/305 [not run] this test requires a valid $SCRATCH_DEV
> Ran: generic/001 generic/002 generic/005 generic/006 generic/007 generic/010
> generic/011 generic/013 generic/014 generic/020 generic/028 generic/035
> generic/036 generic/070 generic/074 generic/075 generic/080 generic/086
> generic/087 generic/088 generic/089 generic/091 generic/092 generic/112
> generic/113 generic/114 generic/123 generic/125 generic/126 generic/127
> generic/131 generic/133 generic/184 generic/192 generic/193 generic/198
> generic/207 generic/208 generic/209 generic/210 generic/211 generic/212
> generic/213 generic/214 generic/215 generic/221 generic/228 generic/236
> generic/239 generic/240 generic/241 generic/245 generic/246 generic/247
> generic/248 generic/249 generic/255 generic/257 generic/258 generic/263
> generic/285 generic/286 generic/308 generic/309 generic/310 generic/313
> generic/315 generic/316 generic/323 shared/298 xfs/003 xfs/008 xfs/012
> xfs/020 xfs/048 xfs/074 xfs/078 xfs/080 xfs/084 xfs/164 xfs/165 xfs/206
> xfs/222 xfs/229 xfs/242 xfs/250 xfs/252 xfs/259 xfs/279 xfs/290 xfs/292
> xfs/293 xfs/303
> Not run: generic/003 generic/004 generic/008 generic/009 generic/012
> generic/015 generic/016 generic/017 generic/018 generic/019 generic/021
> generic/022 generic/023 generic/024 generic/025 generic/026 generic/027
> generic/029 generic/030 generic/031 generic/032 generic/033 generic/034
> generic/037 generic/038 generic/039 generic/040 generic/041 generic/042
> generic/043 generic/044 generic/045 generic/046 generic/047 generic/048
> generic/049 generic/050 generic/051 generic/052 generic/053 generic/054
> generic/055 generic/056 generic/057 generic/058 generic/059 generic/060
> generic/061 generic/062 generic/063 generic/064 generic/065 generic/066
> generic/067 generic/068 generic/069 generic/071 generic/072 generic/073
> generic/076 generic/077 generic/078 generic/079 generic/081 generic/082
> generic/083 generic/084 generic/085 generic/090 generic/093 generic/094
> generic/095 generic/096 generic/097 generic/098 generic/099 generic/100
> generic/101 generic/102 generic/103 generic/104 generic/105 generic/106
> generic/107 generic/108 generic/109 generic/110 generic/111 generic/115
> generic/116 generic/117 generic/118 generic/119 generic/120 generic/121
> generic/122 generic/124 generic/128 generic/129 generic/130 generic/132
> generic/134 generic/135 generic/136 generic/137 generic/138 generic/139
> generic/140 generic/141 generic/142 generic/143 generic/144 generic/145
> generic/146 generic/147 generic/148 generic/149 generic/150 generic/151
> generic/152 generic/153 generic/154 generic/155 generic/156 generic/157
> generic/158 generic/159 generic/160 generic/161 generic/162 generic/163
> generic/164 generic/165 generic/166 generic/167 generic/168 generic/169
> generic/170 generic/171 generic/172 generic/173 generic/174 generic/175
> generic/176 generic/177 generic/178 generic/179 generic/180 generic/181
> generic/182 generic/183 generic/185 generic/186 generic/187 generic/188
> generic/189 generic/190 generic/191 generic/194 generic/195 generic/196
> generic/197 generic/199 generic/200 generic/201 generic/202 generic/203
> generic/204 generic/205 generic/206 generic/216 generic/217 generic/218
> generic/219 generic/220 generic/222 generic/223 generic/224 generic/225
> generic/226 generic/227 generic/229 generic/230 generic/231 generic/232
> generic/233 generic/234 generic/235 generic/237 generic/238 generic/242
> generic/243 generic/244 generic/250 generic/251 generic/252 generic/253
> generic/254 generic/256 generic/259 generic/260 generic/261 generic/262
> generic/264 generic/265 generic/266 generic/267 generic/268 generic/269
> generic/270 generic/271 generic/272 generic/273 generic/274 generic/275
> generic/276 generic/277 generic/278 generic/279 generic/280 generic/281
> generic/282 generic/283 generic/284 generic/287 generic/288 generic/289
> generic/290 generic/291 generic/292 generic/293 generic/294 generic/295
> generic/296 generic/297 generic/298 generic/299 generic/300 generic/301
> generic/302 generic/303 generic/304 generic/305 generic/306 generic/307
> generic/311 generic/312 generic/314 generic/317 generic/318 generic/319
> generic/320 generic/321 generic/322 generic/324 generic/325 generic/326
> generic/327 generic/328 generic/329 generic/330 generic/331 generic/332
> generic/333 generic/334 generic/335 generic/336 generic/337 shared/001
> shared/002 shared/003 shared/006 shared/032 shared/051 shared/272 shared/289
> xfs/001 xfs/002 xfs/004 xfs/005 xfs/006 xfs/007 xfs/009 xfs/010 xfs/011
> xfs/013 xfs/014 xfs/015 xfs/016 xfs/017 xfs/018 xfs/019 xfs/021 xfs/022
> xfs/023 xfs/024 xfs/025 xfs/026 xfs/027 xfs/028 xfs/029 xfs/030 xfs/031
> xfs/032 xfs/033 xfs/034 xfs/035 xfs/036 xfs/037 xfs/038 xfs/039 xfs/040
> xfs/041 xfs/042 xfs/043 xfs/044 xfs/045 xfs/046 xfs/047 xfs/049 xfs/050
> xfs/051 xfs/052 xfs/053 xfs/054 xfs/055 xfs/056 xfs/057 xfs/058 xfs/059
> xfs/060 xfs/061 xfs/062 xfs/063 xfs/064 xfs/065 xfs/066 xfs/067 xfs/068
> xfs/069 xfs/070 xfs/071 xfs/072 xfs/073 xfs/075 xfs/076 xfs/077 xfs/079
> xfs/081 xfs/082 xfs/083 xfs/085 xfs/086 xfs/087 xfs/088 xfs/089 xfs/090
> xfs/091 xfs/092 xfs/093 xfs/094 xfs/095 xfs/096 xfs/097 xfs/098 xfs/099
> xfs/100 xfs/101 xfs/102 xfs/103 xfs/104 xfs/105 xfs/106 xfs/107 xfs/108
> xfs/109 xfs/110 xfs/111 xfs/112 xfs/113 xfs/114 xfs/115 xfs/116 xfs/117
> xfs/118 xfs/119 xfs/120 xfs/121 xfs/122 xfs/123 xfs/124 xfs/125 xfs/126
> xfs/127 xfs/128 xfs/129 xfs/130 xfs/131 xfs/132 xfs/133 xfs/134 xfs/135
> xfs/136 xfs/137 xfs/138 xfs/139 xfs/140 xfs/141 xfs/142 xfs/143 xfs/144
> xfs/145 xfs/146 xfs/147 xfs/148 xfs/149 xfs/150 xfs/151 xfs/152 xfs/153
> xfs/154 xfs/155 xfs/156 xfs/157 xfs/158 xfs/159 xfs/160 xfs/161 xfs/162
> xfs/163 xfs/166 xfs/167 xfs/168 xfs/169 xfs/170 xfs/171 xfs/172 xfs/173
> xfs/174 xfs/175 xfs/176 xfs/177 xfs/178 xfs/179 xfs/180 xfs/181 xfs/182
> xfs/183 xfs/184 xfs/185 xfs/186 xfs/187 xfs/188 xfs/189 xfs/190 xfs/191
> xfs/192 xfs/193 xfs/194 xfs/195 xfs/196 xfs/197 xfs/198 xfs/199 xfs/200
> xfs/201 xfs/202 xfs/203 xfs/204 xfs/205 xfs/207 xfs/208 xfs/209 xfs/210
> xfs/211 xfs/212 xfs/213 xfs/214 xfs/215 xfs/216 xfs/217 xfs/218 xfs/219
> xfs/220 xfs/221 xfs/223 xfs/224 xfs/225 xfs/226 xfs/227 xfs/228 xfs/230
> xfs/231 xfs/232 xfs/233 xfs/234 xfs/235 xfs/236 xfs/237 xfs/238 xfs/239
> xfs/240 xfs/241 xfs/243 xfs/244 xfs/245 xfs/246 xfs/247 xfs/248 xfs/249
> xfs/251 xfs/253 xfs/254 xfs/255 xfs/256 xfs/257 xfs/258 xfs/260 xfs/261
> xfs/262 xfs/266 xfs/267 xfs/268 xfs/278 xfs/281 xfs/282 xfs/283 xfs/287
> xfs/291 xfs/295 xfs/296 xfs/297 xfs/298 xfs/299 xfs/300 xfs/301 xfs/302
> xfs/304 xfs/305
> Failures: generic/247 generic/263 xfs/020 xfs/074 xfs/250 xfs/292 xfs/293
> Failed 7 of 93 tests
>
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