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
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