Public bug reported:
e.g. here is how I was running it:
fio --loops=1 --direct=1 --rw=write --ioengine=libaio --bs=4K
--iodepth=16 --numjobs=1 --time_based --runtime=10 --group_reporting
--size=10% --offset=10% --name=TEST --filename=/dev/nvme0n1
I built the 3.17 source and the problem didn't happen. If you can't
bump the universe version to 3.21 or 3.17 and need a patch for 3.16, I
can make one for you if necessary.
ProblemType: Bug
DistroRelease: Ubuntu 20.04
Package: fio 3.16-1
ProcVersionSignature: Ubuntu 5.4.0-37.41-generic 5.4.41
Uname: Linux 5.4.0-37-generic x86_64
ApportVersion: 2.20.11-0ubuntu27.6
Architecture: amd64
CasperMD5CheckResult: pass
Date: Tue Aug 11 13:14:24 2020
InstallationDate: Installed on 2020-05-19 (84 days ago)
InstallationMedia: Ubuntu-Server 20.04 LTS "Focal Fossa" - Release amd64
(20200423)
ProcEnviron:
TERM=xterm-256color
PATH=(custom, no user)
LANG=en_US.UTF-8
SHELL=/bin/bash
SourcePackage: fio
UpgradeStatus: No upgrade log present (probably fresh install)
** Affects: fio (Ubuntu)
Importance: Undecided
Status: New
** Tags: amd64 apport-bug focal uec-images
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https://bugs.launchpad.net/bugs/1891169
Title:
fio crashes when using --offset with a device
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