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[Bug 1720343] Re: xfs test in xfstests will eat up all the space on i386 testing node with zesty kernel

To: canonical-ubuntu-qa@xxxxxxxxxxxxxxxxxxx
From: Jürg Häfliger <1720343@xxxxxxxxxxxxxxxxxx>
Date: Sat, 19 Apr 2025 04:47:20 -0000
Reply-to: Bug 1720343 <1720343@xxxxxxxxxxxxxxxxxx>
Sender: noreply@xxxxxxxxxxxxx
** Tags added: kernel-daily-bug

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https://bugs.launchpad.net/bugs/1720343

Title:
  xfs test in xfstests will eat up all the space on i386 testing node
  with zesty kernel

Status in ubuntu-kernel-tests:
  Won't Fix
Status in linux package in Ubuntu:
  Won't Fix

Bug description:
  The xfs test in xfstests test suite will consume all the HDD space on
  node rizzo with i386 Z-hwe kernel. (It's fine with amd64 Z-hwe kernel
  on the very same node)

  A huge file called "spc" will be generated in
  ~/autotest/client/tmp/tmp/xfstests-scratch.

  This is not a regression as this issue can be reproduced in the
  proposed kernel and 4.10.0-35-generic.

  Error log from jenkins:
  http://pastebin.ubuntu.com/25638750/

  $ ls -lh
  total 254G
  -rw------- 1 root root    0 Sep 29 10:11 0
  -rw-r--r-- 1 root root    0 Sep 29 09:47 094.fiemap
  -rw------- 1 root root 4.8K Sep 29 09:48 096.30645
  -rw------- 1 root root    0 Sep 29 10:11 1
  -rw------- 1 root root    0 Sep 29 10:11 2
  -rw------- 1 root root    0 Sep 29 10:11 3
  -rw------- 1 root root    0 Sep 29 10:11 4
  -rw------- 1 root root 100M Sep 29 10:11 aligned_vector_rw
  -rw-r--r-- 1 root root   23 Sep 29 10:11 append
  -rw------- 1 root root 192K Sep 29 10:11 async_direct_io
  -rw------- 1 root root  64K Sep 29 09:48 attrval
  -rw------- 2 root root 160K Sep 29 09:48 bar
  -rw------- 1 root root 8.0K Sep 29 10:11 blackhole
  -rw------- 1 root root  24K Sep 29 10:11 buff_direct_coherency
  drwxr-xr-x 2 root root 4.0K Sep 29 09:48 dir1
  drwxr-xr-x 2 root root  28K Sep 29 09:48 dir1020
  drwxr-xr-x 2 root root 4.0K Sep 29 09:48 dir12
  drwxr-xr-x 2 root root 4.0K Sep 29 09:48 dir135
  drwxr-xr-x 2 root root  36K Sep 29 09:48 dir1530
  drwxr-xr-x 2 root root 4.0K Sep 29 09:48 dir18
  drwxr-xr-x 2 root root 4.0K Sep 29 09:48 dir2
  drwxr-xr-x 2 root root 4.0K Sep 29 09:48 dir202
  drwxr-xr-x 2 root root  68K Sep 29 09:48 dir2295
  drwxr-xr-x 2 root root 4.0K Sep 29 09:48 dir27
  drwxr-xr-x 2 root root 4.0K Sep 29 09:48 dir3
  drwxr-xr-x 2 root root  12K Sep 29 09:48 dir303
  drwxr-xr-x 2 root root 4.0K Sep 29 09:48 dir4
  drwxr-xr-x 2 root root 4.0K Sep 29 09:48 dir40
  drwxr-xr-x 2 root root  12K Sep 29 09:48 dir454
  drwxr-xr-x 2 root root 4.0K Sep 29 09:48 dir5
  drwxr-xr-x 2 root root 4.0K Sep 29 09:48 dir60
  drwxr-xr-x 2 root root  20K Sep 29 09:48 dir681
  drwxr-xr-x 2 root root 4.0K Sep 29 09:48 dir8
  drwxr-xr-x 2 root root 4.0K Sep 29 09:48 dir90
  -rw------- 1 root root 6.4M Sep 29 10:11 direct_io
  -rw------- 1 root root 128K Sep 29 10:11 eof-zeroing_direct
  -rw-r--r-- 1 root root 512K Sep 29 09:47 file1
  -rw-r--r-- 1 root root 512K Sep 29 09:47 file2
  -rw------- 2 root root 160K Sep 29 09:48 foo
  -rw------- 1 root root 128K Sep 29 10:11 fsb_edge_test
  drwxr-xr-x 2 root root 4.0K Sep 29 10:11 looptest
  -rwsr-xr-x 1 root root 127K Sep 29 10:10 ls
  drwx------ 2 root root 4.0K Sep 29 10:10 nosuid
  -rw-r--r-- 1 root root 9.4G Sep 29 10:11 small_vector_async
  -rw------- 1 root root 254G Sep 29 09:48 spc
  --- 
  AlsaDevices:
   total 0
   crw-rw---- 1 root audio 116,  1 Sep 29 04:10 seq
   crw-rw---- 1 root audio 116, 33 Sep 29 04:10 timer
  AplayDevices: Error: [Errno 2] No such file or directory
  ApportVersion: 2.20.1-0ubuntu2.10
  Architecture: i386
  ArecordDevices: Error: [Errno 2] No such file or directory
  AudioDevicesInUse: Error: command ['fuser', '-v', '/dev/snd/seq', '/dev/snd/timer'] failed with exit code 1:
  CurrentDmesg:
   
  DistroRelease: Ubuntu 16.04
  IwConfig: Error: [Errno 2] No such file or directory
  Lsusb:
   Bus 002 Device 002: ID 8087:0020 Intel Corp. Integrated Rate Matching Hub
   Bus 002 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub
   Bus 001 Device 003: ID 0424:2514 Standard Microsystems Corp. USB 2.0 Hub
   Bus 001 Device 002: ID 8087:0020 Intel Corp. Integrated Rate Matching Hub
   Bus 001 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub
  MachineType: Dell Inc. PowerEdge R310
  Package: linux (not installed)
  PciMultimedia:
   
  ProcEnviron:
   TERM=screen.xterm-256color
   PATH=(custom, no user)
   XDG_RUNTIME_DIR=<set>
   LANG=en_US.UTF-8
   SHELL=/bin/bash
  ProcFB: 0 mgadrmfb
  ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-4.10.0-35-generic root=UUID=705d1285-e444-46fc-9c99-68bfe6ab3ba9 ro
  ProcVersionSignature: User Name 4.10.0-35.39~16.04.1-generic 4.10.17
  RelatedPackageVersions:
   linux-restricted-modules-4.10.0-35-generic N/A
   linux-backports-modules-4.10.0-35-generic  N/A
   linux-firmware                             1.157.12
  RfKill: Error: [Errno 2] No such file or directory
  Tags:  xenial uec-images
  Uname: Linux 4.10.0-35-generic i686
  UpgradeStatus: No upgrade log present (probably fresh install)
  UserGroups: adm audio cdrom dialout dip floppy lxd netdev plugdev sudo video
  _MarkForUpload: True
  dmi.bios.date: 09/06/2013
  dmi.bios.vendor: Dell Inc.
  dmi.bios.version: 1.12.0
  dmi.board.name: 05XKKK
  dmi.board.vendor: Dell Inc.
  dmi.board.version: A09
  dmi.chassis.type: 23
  dmi.chassis.vendor: Dell Inc.
  dmi.modalias: dmi:bvnDellInc.:bvr1.12.0:bd09/06/2013:svnDellInc.:pnPowerEdgeR310:pvr:rvnDellInc.:rn05XKKK:rvrA09:cvnDellInc.:ct23:cvr:
  dmi.product.name: PowerEdge R310
  dmi.sys.vendor: Dell Inc.

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