This bug was fixed in the package zfs-linux - 0.6.5.6-0ubuntu30
---------------
zfs-linux (0.6.5.6-0ubuntu30) xenial; urgency=medium
* Improve scrub testing in kernel-smoke-test-scrub (LP: #1934910)
On some slower small memory systems we need to check until resilvering
has completed. The most reliably method is to poll on a scrub until
it finishes successfully. Give up after ~15 minutes and flag a failure
if the scrub can't start or complete successfully.
-- Colin Ian King <colin.k...@canonical.com> Thu, 8 Jul 2021 08:51:21
+0100
** Changed in: zfs-linux (Ubuntu Bionic)
Status: Fix Committed => Fix Released
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https://bugs.launchpad.net/bugs/1934910
Title:
zfs-linux/0.7.5-1ubuntu16.11 ADT test failure with linux-
hwe-5.4/5.4.0-79.88~18.04.1
Status in linux-hwe-5.4 package in Ubuntu:
New
Status in zfs-linux package in Ubuntu:
Fix Released
Status in zfs-linux source package in Xenial:
Fix Released
Status in linux-hwe-5.4 source package in Bionic:
New
Status in zfs-linux source package in Bionic:
Fix Released
Status in zfs-linux source package in Focal:
Fix Released
Status in zfs-linux source package in Groovy:
Fix Released
Status in zfs-linux source package in Hirsute:
Fix Released
Status in zfs-linux source package in Impish:
Fix Released
Bug description:
== zfs-linux SRU ==
IMPISH, HIRSUTE, GROOVY, FOCAL, BIONIC, XENIAL
[Impact]
The zfs debian scrub test sometimes times out on slower test systems
because scrub can take a while to complete and the scrub test can
time out. The test needs some more intelligence to detect this
and a longer time out for slower systems.
The fix now polls the scrub completion more thoroughly and increases
timeout to 15 minutes.
[Test Plan]
Run the test with autopkgtest on slow file systems. With the fix the test
has longer timeout and will pass rather than fail with a timeout. e.g.
autopkgtest zfs-linux_2.0.3-8ubuntu5.dsc -- null
[Where problems could occur]
The timeout is hard coded to 15 minutes. This should be enough for slow
devices with the small ZFS volume set used by this test. However, it may
still fail if the backing store is really slow. However, we don't want the
test to be blocked indefinitely waiting for a timeout, so a 15 minute
scrub timeout seems to be long enough to be more than reasonable. Any longer
and it's highly likely that the scrub has hung.
[Other Info]
This test is almost identical to the same scrub test run from the kernel
team autotest zfs smoke test, so it has been exercised regularly and is
known to reliably.
-------------------------------------------------------------------------
This is a scripted bug report about ADT failures while running zfs-linux
tests for linux-hwe-5.4/5.4.0-79.88~18.04.1 on bionic. Whether this is caused
by the dep8 tests of the tested source or the kernel has yet to be determined.
Testing failed on:
amd64:
https://autopkgtest.ubuntu.com/results/autopkgtest-bionic/bionic/amd64/z/zfs-linux/20210703_080055_ead94@/log.gz
arm64:
https://autopkgtest.ubuntu.com/results/autopkgtest-bionic/bionic/arm64/z/zfs-linux/20210703_075255_bdb56@/log.gz
ppc64el:
https://autopkgtest.ubuntu.com/results/autopkgtest-bionic/bionic/ppc64el/z/zfs-linux/20210703_074629_bdb56@/log.gz
s390x:
https://autopkgtest.ubuntu.com/results/autopkgtest-bionic/bionic/s390x/z/zfs-linux/20210703_074343_3aa5c@/log.gz
This is a similar issue as reported on bug 1885289, which was fixed on
autotest-client-tests ubuntu_zfs_smoke_test. However, the ADT tests
don't use autotest, the test script run comes from the zfs-linux dkms
source package, debian/tests/kernel-smoke-test-scrub.
To manage notifications about this bug go to:
https://bugs.launchpad.net/ubuntu/+source/linux-hwe-5.4/+bug/1934910/+subscriptions
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