** Changed in: zfs-linux (Ubuntu Bionic)
Assignee: (unassigned) => Colin Ian King (colin-king)
** Changed in: zfs-linux (Ubuntu Xenial)
Assignee: (unassigned) => Colin Ian King (colin-king)
** Changed in: zfs-linux (Ubuntu Artful)
Assignee: (unassigned) => Colin Ian King (colin-king)
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https://bugs.launchpad.net/bugs/1760173
Title:
zfs, zpool commands hangs for 10 seconds without a /dev/zfs
Status in lxd package in Ubuntu:
Invalid
Status in zfs-linux package in Ubuntu:
Fix Released
Status in zfs-linux source package in Xenial:
Fix Committed
Status in zfs-linux source package in Artful:
Fix Committed
Status in zfs-linux source package in Bionic:
Fix Committed
Status in zfs-linux source package in Cosmic:
Fix Released
Bug description:
== SRU Justification, Xenial, Artful, Bionic ==
When outside a lxd container with zfs storage, zfs list or zpool
status either returns or reports what's going on.
When inside a lxd container with zfs storage, zfs list or zpool status
appears to hang, no output for 10 seconds.
== Fix ==
Inside a container we don't need the 10 seconds timeout, so check for
this scenario and set the timeout to default to 0 seconds.
== Regression Potential ==
Minimal, this caters for a corner case inside a containerized
environment, the fix will not alter the behaviour for other cases.
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1. # lsb_release -rd
Description: Ubuntu 16.04.4 LTS
Release: 16.04
2. # apt-cache policy zfsutils-linux
zfsutils-linux:
Installed: 0.6.5.6-0ubuntu19
Candidate: 0.6.5.6-0ubuntu19
Version table:
*** 0.6.5.6-0ubuntu19 500
500 http://archive.ubuntu.com/ubuntu xenial-updates/main amd64
Packages
100 /var/lib/dpkg/status
3. When inside a lxd container with zfs storage, zfs list or zpool
status either return or report what's going on.
4. When inside a lxd container with zfs storage, zfs list or zpool
status appears to hang, no output for 10 seconds.
strace reveals that without a /dev/zfs the tools wait for it to appear
for 10 seconds but do not provide a command line switch to disable or
make it more verbose.
ProblemType: Bug
DistroRelease: Ubuntu 16.04
Package: zfsutils-linux 0.6.5.6-0ubuntu19
ProcVersionSignature: Ubuntu 4.13.0-36.40~16.04.1-generic 4.13.13
Uname: Linux 4.13.0-36-generic x86_64
ApportVersion: 2.20.1-0ubuntu2.15
Architecture: amd64
Date: Fri Mar 30 18:09:29 2018
ProcEnviron:
TERM=xterm-256color
PATH=(custom, no user)
LANG=C.UTF-8
SourcePackage: zfs-linux
UpgradeStatus: No upgrade log present (probably fresh install)
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