Hello Lena, or anyone else affected,

Accepted zfs-linux into jammy-proposed. The package will build now and
be available at https://launchpad.net/ubuntu/+source/zfs-
linux/2.1.4-0ubuntu0.1 in a few hours, and then in the -proposed
repository.

Please help us by testing this new package.  See
https://wiki.ubuntu.com/Testing/EnableProposed for documentation on how
to enable and use -proposed.  Your feedback will aid us getting this
update out to other Ubuntu users.

If this package fixes the bug for you, please add a comment to this bug,
mentioning the version of the package you tested, what testing has been
performed on the package and change the tag from verification-needed-
jammy to verification-done-jammy. If it does not fix the bug for you,
please add a comment stating that, and change the tag to verification-
failed-jammy. In either case, without details of your testing we will
not be able to proceed.

Further information regarding the verification process can be found at
https://wiki.ubuntu.com/QATeam/PerformingSRUVerification .  Thank you in
advance for helping!

N.B. The updated package will be released to -updates after the bug(s)
fixed by this package have been verified and the package has been in
-proposed for a minimum of 7 days.

** Changed in: zfs-linux (Ubuntu Jammy)
       Status: New => Fix Committed

-- 
You received this bug notification because you are a member of Kernel
Packages, which is subscribed to zfs-linux in Ubuntu.
https://bugs.launchpad.net/bugs/1969247

Title:
  fallocate with FALLOC_FL_ZERO_RANGE produces zero-size files on zfs in
  Jammy

Status in Native ZFS for Linux:
  Fix Released
Status in mysql-8.0 package in Ubuntu:
  Invalid
Status in zfs-linux package in Ubuntu:
  In Progress
Status in zfs-linux source package in Jammy:
  Fix Committed

Bug description:
  [Summary]

  When running Jammy on zfs or LXD with a zfs pool on a Jammy host,
  fallocate creates a zero-sized file.

  The issue was originally found when installing mysql on LXD, where
  fallocate would create a zero-sized ib_logfile1 file. The original
  information in this bug is based on that.

  [Steps to Reproduce]

  touch foo.img
  fallocate -z -l 10M foo.img
  ls -la foo.img

  On a non-zfs Jammy system this will show something like:
  -rw-r--r-- 1 root root 10M ...

  while on zfs it will show:
  -rw-rw-r-- 1 root root 0 ...

  [Original Description]
  I came across this error when testing various mysql setups in an LXD 
container and managed to reproduce it consistently. I'm unable to reproduce on 
Ubuntu desktop or server though since the prerequisites are probably handled 
properly there.

  ProblemType: Package
  DistroRelease: Ubuntu 20.04
  Package: mysql-server-8.0 8.0.28-0ubuntu0.20.04.3
  ProcVersionSignature: Ubuntu 5.15.0-25.25-generic 5.15.30
  Uname: Linux 5.15.0-25-generic x86_64
  ApportVersion: 2.20.11-0ubuntu27.23
  Architecture: amd64
  CasperMD5CheckResult: skip
  Date: Fri Apr 15 21:31:09 2022
  Dmesg:

  ErrorMessage: installed mysql-server-8.0 package post-installation script 
subprocess returned error exit status 1
  KernLog:

  Logs.var.log.daemon.log:

  MySQLConf.etc.mysql.conf.d.mysql.cnf: [mysql]
  MySQLConf.etc.mysql.conf.d.mysqldump.cnf:
   [mysqldump]
   quick
   quote-names
   max_allowed_packet   = 16M
  MySQLConf.etc.mysql.my.cnf: Error: [Errno 40] Too many levels of symbolic 
links: '/etc/mysql/my.cnf'
  MySQLVarLibDirListing: ['ibdata1', 'ib_logfile0', '#innodb_temp', 
'debian-5.7.flag', '#ib_16384_0.dblwr', 'client-cert.pem', 'undo_001', 
'server-cert.pem', 'mysql.ibd', '#ib_16384_1.dblwr', 'client-key.pem', 
'ca-key.pem', 'sys', 'private_key.pem', 'mysql', 'undo_002', 'binlog.index', 
'performance_schema', 'ib_buffer_pool', 'auto.cnf', 'ib_logfile1', 
'public_key.pem', 'ca.pem', 'server-key.pem']
  ProcCmdline: BOOT_IMAGE=/boot/vmlinuz-5.15.0-25-generic 
root=UUID=93666562-b5e4-4fb4-ba8c-7b42a3e6bf61 ro quiet splash 
mem_sleep_default=deep vt.handoff=7
  Python3Details: /usr/bin/python3.8, Python 3.8.10, python3-minimal, 
3.8.2-0ubuntu2
  PythonDetails: N/A
  RelatedPackageVersions:
   dpkg 1.19.7ubuntu3
   apt  2.0.6
  SourcePackage: mysql-8.0
  Title: package mysql-server-8.0 8.0.28-0ubuntu0.20.04.3 failed to 
install/upgrade: installed mysql-server-8.0 package post-installation script 
subprocess returned error exit status 1
  UpgradeStatus: No upgrade log present (probably fresh install)

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