** Changed in: ubiquity (Ubuntu)
Importance: Undecided => High
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https://bugs.launchpad.net/bugs/1847628
Title:
When using swap in ZFS, system stops when you start using swap
Status in ubiquity package in Ubuntu:
Confirmed
Status in zfs-linux package in Ubuntu:
Confirmed
Bug description:
# Problem
When using swap in ZFS, system stops when you start using swap.
> stress --vm 100
if you doing swapoff will only occur OOM and the system will not stop.
# Environment
jehos@MacBuntu:~$ lsb_release -a
No LSB modules are available.
Distributor ID: Ubuntu
Description: Ubuntu Eoan Ermine (development branch)
Release: 19.10
Codename: eoan
jehos@MacBuntu:~$ dpkg -l | grep zfs
ii libzfs2linux 0.8.1-1ubuntu13
amd64 OpenZFS filesystem library for Linux
ii zfs-initramfs 0.8.1-1ubuntu13
amd64 OpenZFS root filesystem capabilities for Linux - initramfs
ii zfs-zed 0.8.1-1ubuntu13
amd64 OpenZFS Event Daemon
ii zfsutils-linux 0.8.1-1ubuntu13
amd64 command-line tools to manage OpenZFS filesystems
jehos@MacBuntu:~$ uname -a
Linux MacBuntu 5.3.0-13-generic #14-Ubuntu SMP Tue Sep 24 02:46:08 UTC 2019
x86_64 x86_64 x86_64 GNU/Linux
jehos@MacBuntu:~$ zpool list
NAME SIZE ALLOC FREE CKPOINT EXPANDSZ FRAG CAP DEDUP HEALTH
ALTROOT
bpool 1.88G 66.1M 1.81G - - - 3% 1.00x ONLINE
-
rpool 230G 124G 106G - - 9% 53% 1.00x ONLINE
-
jehos@MacBuntu:~$ zfs get all rpool/swap
NAME PROPERTY VALUE SOURCE
rpool/swap type volume -
rpool/swap creation 목 10월 10 15:56 2019 -
rpool/swap used 2.13G -
rpool/swap available 98.9G -
rpool/swap referenced 72K -
rpool/swap compressratio 1.11x -
rpool/swap reservation none default
rpool/swap volsize 2G local
rpool/swap volblocksize 4K -
rpool/swap checksum on default
rpool/swap compression zle local
rpool/swap readonly off default
rpool/swap createtxg 34 -
rpool/swap copies 1 default
rpool/swap refreservation 2.13G local
rpool/swap guid 18209330213704683244 -
rpool/swap primarycache metadata local
rpool/swap secondarycache none local
rpool/swap usedbysnapshots 0B -
rpool/swap usedbydataset 72K -
rpool/swap usedbychildren 0B -
rpool/swap usedbyrefreservation 2.13G -
rpool/swap logbias throughput local
rpool/swap objsetid 393 -
rpool/swap dedup off default
rpool/swap mlslabel none default
rpool/swap sync always local
rpool/swap refcompressratio 1.11x -
rpool/swap written 72K -
rpool/swap logicalused 40K -
rpool/swap logicalreferenced 40K -
rpool/swap volmode default default
rpool/swap snapshot_limit none default
rpool/swap snapshot_count none default
rpool/swap snapdev hidden default
rpool/swap context none default
rpool/swap fscontext none default
rpool/swap defcontext none default
rpool/swap rootcontext none default
rpool/swap redundant_metadata all default
rpool/swap encryption off default
rpool/swap keylocation none default
rpool/swap keyformat none default
rpool/swap pbkdf2iters 0 default
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