Mainline kernel bisect shows that this stuck occurs between 4.9.87 and
4.10rc1
With 4.9.87 this test failed to copy the file, but it won't get stuck.
# export TEST_DIR=/home/ubuntu/test ;export TEST_DEV=/dev/sdb1 ; ./check
generic/430
FSTYP -- btrfs
PLATFORM -- Linux/x86_64 M3800 4.9.87-040987-generic
generic/430 - output mismatch (see
/home/ubuntu/autotest/client/tmp/xfstests/src/xfstests-bld/xfstests-dev/results//generic/430.out.bad)
--- tests/generic/430.out 2018-03-15 12:26:40.285762490 +0800
+++
/home/ubuntu/autotest/client/tmp/xfstests/src/xfstests-bld/xfstests-dev/results//generic/430.out.bad
2018-03-15 19:13:36.691401239 +0800
@@ -4,22 +4,27 @@
e11fbace556cba26bf0076e74cab90a3 TEST_DIR/test-430/file
e11fbace556cba26bf0076e74cab90a3 TEST_DIR/test-430/copy
Copy beginning of original file
+cmp: EOF on /home/ubuntu/test/test-430/beginning which is empty
md5sums after copying beginning:
e11fbace556cba26bf0076e74cab90a3 TEST_DIR/test-430/file
-cabe45dcc9ae5b66ba86600cca6b8ba8 TEST_DIR/test-430/beginning
...
(Run 'diff -u tests/generic/430.out
/home/ubuntu/autotest/client/tmp/xfstests/src/xfstests-bld/xfstests-dev/results//generic/430.out.bad'
to see the entire diff)
Ran: generic/430
Failures: generic/430
Failed 1 of 1 tests
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https://bugs.launchpad.net/bugs/1755999
Title:
Reproducible hang in generic/430 with xfstest from upstream
Status in linux package in Ubuntu:
Confirmed
Bug description:
While testing the latest xfstest from upstream, the generic/430 test
will hang, no matter using ext4/xfs/btrfs.
It looks like this issue was caused by the following command to copy beyond
the file:
/usr/sbin/xfs_io -i -f -c "copy_range -s 4000 -l 2000
/home/ubuntu/test/test-430/file" "/home/ubuntu/test/test-430/beyond"
The copied file will have a correct MD5 as expected.
e68d4a150c4e42f4f9ea3ffe4c9cf4ed beyond
But the command will never return.
The file size of test-430/file is 5000, so a copy_range call with
source offset 4000 with length 1000 works, but > 1000 does not.
Steps:
1. Deploy a node with Bionic (should have a /dev/sdb available for the test)
2. Run:
sudo apt-get install git python-minimal -y
git clone --depth=1
https://github.com/Cypresslin/autotest-client-tests.git -b
kteam-xfstest-upstream
git clone --depth=1 git://kernel.ubuntu.com/ubuntu/autotest
rm -fr autotest/client/tests
ln -sf ~/autotest-client-tests autotest/client/tests
3. Run the test with the following command:
AUTOTEST_PATH=/home/ubuntu/autotest sudo -E
autotest/client/autotest-local --verbose autotest/client/tests/
(The test suite can be built manually, but it's easier to do this with
autotest framework)
To run this test solely after the test partition has been creation on
/dev/sdb:
mkdir /home/ubuntu/test
cd autotest/client/tmp/xfstests/src/xfstests-bld/xfstests-dev
sudo su
export TEST_DIR=/home/ubuntu/test
export TEST_DEV=/dev/sdb1
./check generic/430
Tested with the latest mainline kernel, 4.16.0-041600rc5-generic, and
the bug still exist.
ProblemType: Bug
DistroRelease: Ubuntu 18.04
Package: linux-image-4.15.0-10-generic 4.15.0-10.11 [modified:
boot/vmlinuz-4.15.0-10-generic]
ProcVersionSignature: User Name 4.15.0-10.11-generic 4.15.3
Uname: Linux 4.15.0-10-generic x86_64
ApportVersion: 2.20.8-0ubuntu10
Architecture: amd64
AudioDevicesInUse:
USER PID ACCESS COMMAND
/dev/snd/controlC0: ubuntu 1148 F.... pulseaudio
/dev/snd/controlC1: ubuntu 1148 F.... pulseaudio
Date: Thu Mar 15 14:24:46 2018
InstallationDate: Installed on 2018-03-15 (0 days ago)
InstallationMedia: Ubuntu 18.04 LTS "Bionic Beaver" - Alpha amd64 (20180228)
MachineType: Dell Inc. Dell Precision M3800
ProcFB: 0 inteldrmfb
ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-4.15.0-10-generic.efi.signed
root=UUID=d1980d27-9063-4d92-aa10-1fb240453d8d ro quiet splash vt.handoff=1
RelatedPackageVersions:
linux-restricted-modules-4.15.0-10-generic N/A
linux-backports-modules-4.15.0-10-generic N/A
linux-firmware 1.172
SourcePackage: linux
UpgradeStatus: No upgrade log present (probably fresh install)
dmi.bios.date: 10/14/2014
dmi.bios.vendor: Dell Inc.
dmi.bios.version: A07
dmi.board.name: Dell Precision M3800
dmi.board.vendor: Dell Inc.
dmi.board.version: A07
dmi.chassis.type: 8
dmi.chassis.vendor: Dell Inc.
dmi.chassis.version: Not Specified
dmi.modalias:
dmi:bvnDellInc.:bvrA07:bd10/14/2014:svnDellInc.:pnDellPrecisionM3800:pvrA07:rvnDellInc.:rnDellPrecisionM3800:rvrA07:cvnDellInc.:ct8:cvrNotSpecified:
dmi.product.name: Dell Precision M3800
dmi.product.version: A07
dmi.sys.vendor: Dell Inc.
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