This bug was fixed in the package ocfs2-tools - 1.8.6-1ubuntu1
---------------
ocfs2-tools (1.8.6-1ubuntu1) eoan; urgency=medium
* d/p/defrag.ocfs2-make-getopt-portable.patch:
make defragfs.ocfs2 portable to ARM64 (LP: #1840958)
-- Rafael David Tinoco <[email protected]> Mon, 02 Sep 2019
21:21:13 +0000
** Changed in: ocfs2-tools (Ubuntu)
Status: Fix Committed => Fix Released
--
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https://bugs.launchpad.net/bugs/1840958
Title:
defragfs.ocfs2 hangs (or takes too long) on arm64, ppc64el
Status in OCFS2 Tools:
Unknown
Status in ocfs2-tools package in Ubuntu:
Fix Released
Bug description:
[Impact]
* ocfs2 defrag tool does not work for ARM64 architecture.
[Test Case]
* Run the following script:
https://pastebin.ubuntu.com/p/dYG2xct6dz/
* When it opens a new shell, run:
$ defragfs.ocfs2 -v /mnt (as root)
* Watch defragfs.ocfs2 to consume 100% of CPU and no output.
[Regression Potential]
* I'm basically changing a (char) for a (int). Potential for
regression is almost non existent for this case.
[Other Info]
The new defragfs.ocfs2 test added in the 1.8.6-1 version of the
package hangs (or takes too long) in our dep8 infrastructure.
I reproduced this on an arm64 VM. The command stays silent, and
consuming 99% of CPU. There is no I/O being done (checked with iostat
and iotop).
strace -f shows it stopping at this write:
2129 write(1, "defragfs.ocfs2 1.8.6\n", 21) = 21
Which is just a version print.
Also tested with kernel 5.2.0-13-generic from eoan-proposed.
debian's ci only runs this test on amd64 it seems.
On an amd64 VM in the same cloud this tests completes in less than 1s.
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