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SubjectRe: [LKP] [btrfs] 05a37c4860: kmsg.BTRFS_error(device_vdd):failed_to_verify_dev_extents_against_chunks
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On 2019/1/11 下午10:03, kernel test robot wrote:
> FYI, we noticed the following commit (built with gcc-7):
>
> commit: 05a37c48604c19b50873fd9663f9140c150469d1 ("btrfs: volumes: Make sure no dev extent is beyond device boundary")
> https://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git master
>
> in testcase: xfstests
> with following parameters:
>
> disk: 6HDD
> fs: btrfs
> test: btrfs-group1
>
> test-description: xfstests is a regression test suite for xfs and other files ystems.
> test-url: git://git.kernel.org/pub/scm/fs/xfs/xfstests-dev.git
>
>
> on test machine: qemu-system-x86_64 -enable-kvm -cpu SandyBridge -smp 2 -m 4G
>
> caused below changes (please refer to attached dmesg/kmsg for entire log/backtrace):

For the LKP tests, would you please not bind all fstests test cases into
one LKP test case?

That's pretty hard for us to locate the problem. not to mention there
will be tons of generic tests, and new tests could easily screw up your
existing result.

It will make more sense to generate test cases based on
fstests/tests/btrfs/group, and save their result for each fstests test case.

>
>
>
>
> 2019-01-09 07:40:26 export TEST_DIR=/fs/vda
> 2019-01-09 07:40:26 export TEST_DEV=/dev/vda
> 2019-01-09 07:40:26 export FSTYP=btrfs
> 2019-01-09 07:40:26 export SCRATCH_MNT=/fs/scratch
> 2019-01-09 07:40:26 mkdir /fs/scratch -p
> 2019-01-09 07:40:26 export SCRATCH_DEV_POOL="/dev/vdb /dev/vdc /dev/vdd /dev/vde /dev/vdf"
> 2019-01-09 07:40:26 sed "s:^:btrfs/:" /lkp/lkp/src/pack/xfstests-addon/tests/btrfs-group1 | grep -F -f merged_ignored_files
> ignored by lkp: btrfs/145
> ignored by lkp: btrfs/147
> ignored by lkp: btrfs/149
> ignored by lkp: btrfs/153
> ignored by lkp: btrfs/155
> 2019-01-09 07:40:26 sed "s:^:btrfs/:" /lkp/lkp/src/pack/xfstests-addon/tests/btrfs-group1 | grep -v -F -f merged_ignored_files
> 2019-01-09 07:40:26 ./check btrfs/010 btrfs/026 btrfs/027 btrfs/028 btrfs/116 btrfs/117 btrfs/118 btrfs/119 btrfs/120 btrfs/121 btrfs/122 btrfs/123 btrfs/124 btrfs/125 btrfs/126 btrfs/127 btrfs/128 btrfs/129 btrfs/131 btrfs/132 btrfs/133 btrfs/134 btrfs/135 btrfs/136 btrfs/137 btrfs/138 btrfs/139 btrfs/140 btrfs/141 btrfs/142 btrfs/143 btrfs/144 btrfs/146 btrfs/148 btrfs/150 btrfs/151 btrfs/152 btrfs/154 btrfs/156 btrfs/157 btrfs/158 btrfs/159 btrfs/160 btrfs/161 btrfs/162 btrfs/163 btrfs/164 btrfs/165 btrfs/166 btrfs/167 btrfs/168 btrfs/169 btrfs/170 btrfs/171
> FSTYP -- btrfs
> PLATFORM -- Linux/x86_64 vm-snb-4G-105 4.20.0-rc7-00010-g05a37c4
> MKFS_OPTIONS -- /dev/vdb
> MOUNT_OPTIONS -- /dev/vdb /fs/scratch
>
> btrfs/010 157s
> btrfs/026 4s
> btrfs/027 7s
> btrfs/028 31s
> btrfs/116 [not run] FITRIM not supported on /fs/scratch
> btrfs/117 6s
> btrfs/118 1s
> btrfs/119 1s
> btrfs/120 1s
> btrfs/121 1s
> btrfs/122 8s
> btrfs/123 2s
> btrfs/124 25s
> btrfs/125 15s
> btrfs/126 0s
> btrfs/127 1s
> btrfs/128 0s
> btrfs/129 1s
> btrfs/131 1s
> btrfs/132 32s
> btrfs/133 2s
> btrfs/134 1s
> btrfs/135 1s
> btrfs/136 91s
> btrfs/137 0s
> btrfs/138 80s
> btrfs/139 - output mismatch (see /lkp/benchmarks/xfstests/results//btrfs/139.out.bad)
> --- tests/btrfs/139.out 2018-09-19 20:13:26.000000000 +0000
> +++ /lkp/benchmarks/xfstests/results//btrfs/139.out.bad 2019-01-09 07:48:30.619000000 +0000
> @@ -1,4 +1,616 @@
> QA output created by 139
> +pwrite: Disk quota exceeded
> +/fs/scratch/subvol/file_26: Disk quota exceeded
> +/fs/scratch/subvol/file_27: Disk quota exceeded
> +/fs/scratch/subvol/file_28: Disk quota exceeded
> +/fs/scratch/subvol/file_29: Disk quota exceeded
> +/fs/scratch/subvol/file_30: Disk quota exceeded

That's a known regression, it's recommended to blacklist this test case.
We know the cause, but find it pretty tricky to fix.

> ...
> (Run 'diff -u tests/btrfs/139.out /lkp/benchmarks/xfstests/results//btrfs/139.out.bad' to see the entire diff)
> btrfs/140 6s
> btrfs/141 1s
> btrfs/142 0s
> btrfs/143 2s
> btrfs/144 1s
> btrfs/146 1s
> btrfs/148 1s
> btrfs/150 0s
> btrfs/151 3s
> btrfs/152 3s
> btrfs/154 [failed, exit status 1]- output mismatch (see /lkp/benchmarks/xfstests/results//btrfs/154.out.bad)
> --- tests/btrfs/154.out 2018-09-19 20:13:26.000000000 +0000
> +++ /lkp/benchmarks/xfstests/results//btrfs/154.out.bad 2019-01-09 07:48:51.928000000 +0000
> @@ -6,5 +6,5 @@
> scan missing dev and write
>
> run balance
> -
> -mount reconstructed dev only and check md5sum
> +failed: '/bin/btrfs balance start --full-balance -dconvert=raid1 -mconvert=raid1 /fs/scratch'
> +(see /lkp/benchmarks/xfstests/results//btrfs/154.full for details)
> ...
> (Run 'diff -u tests/btrfs/154.out /lkp/benchmarks/xfstests/results//btrfs/154.out.bad' to see the entire diff)
> btrfs/156 [not run] FITRIM not supported on /fs/scratch
> btrfs/157 1s
> btrfs/158 0s
> btrfs/159 10s
> btrfs/160 1s
> btrfs/161 0s
> btrfs/162 1s
> btrfs/163 [failed, exit status 1]- output mismatch (see /lkp/benchmarks/xfstests/results//btrfs/163.out.bad)
> --- tests/btrfs/163.out 2018-09-19 20:13:26.000000000 +0000
> +++ /lkp/benchmarks/xfstests/results//btrfs/163.out.bad 2019-01-09 07:49:07.384000000 +0000
> @@ -3,7 +3,5 @@
> 0000000 abab abab abab abab abab abab abab abab
> *
> 1000000
> --- sprout --
> -0000000 abab abab abab abab abab abab abab abab
> -*
> -1000000
> ...
> (Run 'diff -u tests/btrfs/163.out /lkp/benchmarks/xfstests/results//btrfs/163.out.bad' to see the entire diff)

This error is already fixed by patch "btrfs: Use real device structure
to verify dev extent".

Maintainer has merged that patch, so it would be fixed in v5.0-rcs.

Thanks,
Qu

> btrfs/164 1s
> btrfs/165 1s
> btrfs/166 0s
> btrfs/167 1s
> btrfs/168 1s
> btrfs/169 0s
> btrfs/170 1s
> btrfs/171 0s
> Ran: btrfs/010 btrfs/026 btrfs/027 btrfs/028 btrfs/116 btrfs/117 btrfs/118 btrfs/119 btrfs/120 btrfs/121 btrfs/122 btrfs/123 btrfs/124 btrfs/125 btrfs/126 btrfs/127 btrfs/128 btrfs/129 btrfs/131 btrfs/132 btrfs/133 btrfs/134 btrfs/135 btrfs/136 btrfs/137 btrfs/138 btrfs/139 btrfs/140 btrfs/141 btrfs/142 btrfs/143 btrfs/144 btrfs/146 btrfs/148 btrfs/150 btrfs/151 btrfs/152 btrfs/154 btrfs/156 btrfs/157 btrfs/158 btrfs/159 btrfs/160 btrfs/161 btrfs/162 btrfs/163 btrfs/164 btrfs/165 btrfs/166 btrfs/167 btrfs/168 btrfs/169 btrfs/170 btrfs/171
> Not run: btrfs/116 btrfs/156
> Failures: btrfs/139 btrfs/154 btrfs/163
> Failed 3 of 54 tests
>
>
>
>
> To reproduce:
>
> git clone https://github.com/intel/lkp-tests.git
> cd lkp-tests
> find lib/ | cpio -o -H newc --quiet | gzip > modules.cgz
> bin/lkp qemu -k <bzImage> -m modules.cgz job-script # job-script is attached in this email
>
>
>
> Thanks,
> Rong Chen
>

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