canonical-ubuntu-qa team mailing list archive

[Jürg Häfliger <1788151@xxxxxxxxxxxxxxxxxx>]

** Tags added: kernel-daily-bug

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https://bugs.launchpad.net/bugs/1788151

Title:
  ubuntu_ramfs_stress will get killed with Bionic generic kernel on KVM
  node

Status in stress-ng:
  Fix Released
Status in ubuntu-kernel-tests:
  Fix Released
Status in linux package in Ubuntu:
  Invalid

Bug description:
  It looks like this issue won't happen with Bionic KVM kernel on KVM nodes.
  Only with Bionic generic kernel on KVM nodes (1G ram)

  Output from syslog indicates this test was killed due to OOM:
  https://pastebin.ubuntu.com/p/wcY4DtDFtT/

   Running 'ls -al /home/ubuntu/autotest/client/tests/ubuntu_ramfs_stress'
   [stdout] total 28
   [stdout] drwxrwxr-x   2 ubuntu ubuntu 4096 Aug 21 11:16 .
   [stdout] drwxrwxr-x 165 ubuntu ubuntu 4096 Aug 21 11:14 ..
   [stdout] -rw-rw-r--   1 ubuntu ubuntu  501 Aug 21 11:14 control
   [stdout] -rw-rw-r--   1 ubuntu ubuntu 2303 Aug 21 11:14 ubuntu_ramfs_stress.py
   [stdout] -rw-r--r--   1 root   root   2834 Aug 21 11:16 ubuntu_ramfs_stress.pyc
   [stdout] -rwxrwxr-x   1 ubuntu ubuntu 4169 Aug 21 11:14 ubuntu_ramfs_stress.sh
   true'
   		GOOD	ubuntu_ramfs_stress.setup	ubuntu_ramfs_stress.setup	timestamp=1534850377	localtime=Aug 21 11:19:37	completed successfully
   	END GOOD	ubuntu_ramfs_stress.setup	ubuntu_ramfs_stress.setup	timestamp=1534850377	localtime=Aug 21 11:19:37	
   Persistent state client._record_indent now set to 1
   Persistent state client.unexpected_reboot deleted
   Test has timeout: 18000 sec.
   	START	ubuntu_ramfs_stress.ramfs-stress	ubuntu_ramfs_stress.ramfs-stress	timestamp=1534850377	timeout=18000	localtime=Aug 21 11:19:37	
   Persistent state client._record_indent now set to 2
   Persistent state client.unexpected_reboot now set to ('ubuntu_ramfs_stress.ramfs-stress', 'ubuntu_ramfs_stress.ramfs-stress')
   Waiting for pid 10774 for 18000 seconds
   Running 'LOG=/tmp/ramfs-falure.log STRESS_NG=/home/ubuntu/autotest/client/tmp/ubuntu_ramfs_stress/src/stress-ng/stress-ng DURATION=15s bash -c /home/ubuntu/autotest/client/tests/ubuntu_ramfs_stress/ubuntu_ramfs_stress.sh /home/ubuntu/autotest/client/tmp/ubuntu_ramfs_stress/src 2>&1'
   [stdout] Total of 229376 KB free memory
   [stdout] Making ram disk of 256K
   [stdout]  
   [stdout] --------------------------------------------------------------------------------
   [stdout] Stress test:   /home/ubuntu/autotest/client/tmp/ubuntu_ramfs_stress/src/stress-ng/stress-ng --verify --times --metrics-brief --syslog --keep-name -t 15s --link 4 --symlink 4 --lockf 4 --seek 4 --aio 4 --aio-requests 32 --dentry 4 --dir 4 --fstat 4 --io 4 --dentries 4 --lease 4 --mmap-file --mmap-async --open 4 --rename 4 --chdir 4 --chmod 4 --filename 4 --rename 4 --hdd 4 --hdd-opts sync,wr-rnd,rd-rnd,fadv-willneed,fadv-rnd --hdd-write-size 512
   [stdout] Mount point:   /mnt/ramfs-test-10779
   [stdout] Date:          Tue Aug 21 11:19:37 UTC 2018
   [stdout] Host:          zeppo
   [stdout] Kernel:        4.15.0-32-generic #35-Ubuntu SMP Fri Aug 10 17:58:07 UTC 2018
   [stdout] Machine:       zeppo x86_64 x86_64
   [stdout] CPUs online:   2
   [stdout] CPUs total:    2
   [stdout] Page size:     4096
   [stdout] Pages avail:   203847
   [stdout] Pages total:   252219
   [stdout] --------------------------------------------------------------------------------
   [stdout]  
   [stdout]  
   [stdout] stress-ng: info:  [10827] dispatching hogs: 4 link, 4 symlink, 4 lockf, 4 seek, 4 aio, 4 dentry, 4 dir, 4 fstat, 4 io, 4 lease, 4 open, 4 rename, 4 chdir, 4 chmod, 4 filename, 4 rename, 4 hdd
  Killed

  ProblemType: Bug
  DistroRelease: Ubuntu 18.04
  Package: linux-image-4.15.0-32-generic 4.15.0-32.35
  ProcVersionSignature: User Name 4.15.0-32.35-generic 4.15.18
  Uname: Linux 4.15.0-32-generic x86_64
  AlsaDevices:
   total 0
   crw-rw---- 1 root audio 116,  1 Aug 21 11:13 seq
   crw-rw---- 1 root audio 116, 33 Aug 21 11:13 timer
  AplayDevices: Error: [Errno 2] No such file or directory: 'aplay': 'aplay'
  ApportVersion: 2.20.9-0ubuntu7.2
  Architecture: amd64
  ArecordDevices: Error: [Errno 2] No such file or directory: 'arecord': 'arecord'
  AudioDevicesInUse: Error: command ['fuser', '-v', '/dev/snd/seq', '/dev/snd/timer'] failed with exit code 1:
  Date: Tue Aug 21 11:23:44 2018
  IwConfig: Error: [Errno 2] No such file or directory: 'iwconfig': 'iwconfig'
  Lsusb: Bus 001 Device 001: ID 1d6b:0001 Linux Foundation 1.1 root hub
  MachineType: QEMU Standard PC (i440FX + PIIX, 1996)
  PciMultimedia:
   
  ProcFB:
   
  ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-4.15.0-32-generic root=UUID=41f2a2b1-0082-4a56-ad3b-9f99ca574aeb ro
  RelatedPackageVersions:
   linux-restricted-modules-4.15.0-32-generic N/A
   linux-backports-modules-4.15.0-32-generic  N/A
   linux-firmware                             1.173.1
  RfKill: Error: [Errno 2] No such file or directory: 'rfkill': 'rfkill'
  SourcePackage: linux
  UpgradeStatus: No upgrade log present (probably fresh install)
  dmi.bios.date: 04/01/2014
  dmi.bios.vendor: SeaBIOS
  dmi.bios.version: Ubuntu-1.8.2-1ubuntu1
  dmi.chassis.type: 1
  dmi.chassis.vendor: QEMU
  dmi.chassis.version: pc-i440fx-xenial
  dmi.modalias: dmi:bvnSeaBIOS:bvrUbuntu-1.8.2-1ubuntu1:bd04/01/2014:svnQEMU:pnStandardPC(i440FX+PIIX,1996):pvrpc-i440fx-xenial:cvnQEMU:ct1:cvrpc-i440fx-xenial:
  dmi.product.name: Standard PC (i440FX + PIIX, 1996)
  dmi.product.version: pc-i440fx-xenial
  dmi.sys.vendor: QEMU

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