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[Bug 1783922] Re: ubuntu_qrt_apparmor will hang with Bionic kernel on KVM / Azure instance (mmap test timeout)

 

** Tags added: kernel-daily-bug

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https://bugs.launchpad.net/bugs/1783922

Title:
  ubuntu_qrt_apparmor will hang with Bionic kernel on KVM / Azure
  instance (mmap test timeout)

Status in QA Regression Testing:
  New
Status in ubuntu-kernel-tests:
  Confirmed
Status in linux package in Ubuntu:
  Triaged

Bug description:
  This test will timeout on a KVM instance (1G ram) with Bionic kernel.

  This is the last test executed on this system:
  Jul 26 10:10:54 zeppo kernel: [ 2140.591600] audit: type=1400 audit(1532599854.772:275036): apparmor="STATUS" operation="profile_load" profile="unconfined" name="/tmp/testlibJOdhfr/source/bionic/apparmor-2.12/tests/regression/apparmor/mmap" pid=24072 comm="apparmor_parser"

    Run parser regression tests ... (Applying patch 0001-mount-regression-test-convert-mount-test-to-use-MS_N.patch) (Applying patch utils-fix-interpreter-testcase-for-multiple-symlinks.patch) ok
    test_regression_testsuite (__main__.ApparmorTestsuites)
       preparing apparmor_2.12-4ubuntu5.dsc...  done
    Timer expired (10800 sec.), nuking pid 20299

  $ watch free -m
  total        used        free      shared  buff/cache   available
  Mem:            985         445          72           0         467         355
  Swap:          1443           7        1436

  ProblemType: Bug
  DistroRelease: Ubuntu 18.04
  Package: linux-image-4.15.0-29-generic 4.15.0-29.31
  ProcVersionSignature: User Name 4.15.0-29.31-generic 4.15.18
  Uname: Linux 4.15.0-29-generic x86_64
  AlsaDevices:
   total 0
   crw-rw---- 1 root audio 116,  1 Jul 26 09:35 seq
   crw-rw---- 1 root audio 116, 33 Jul 26 09:35 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: Fri Jul 27 02:28:52 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-4.15.0-29-generic root=UUID=41f2a2b1-0082-4a56-ad3b-9f99ca574aeb ro
  RelatedPackageVersions:
   linux-restricted-modules-4.15.0-29-generic N/A
   linux-backports-modules-4.15.0-29-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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