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[Jürg Häfliger <1717897@xxxxxxxxxxxxxxxxxx>]

** Tags added: kernel-daily-bug

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https://bugs.launchpad.net/bugs/1717897

Title:
  libhugetlbfs failed with "Heap did not shrink"

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

Bug description:
  1. Test with Artful + 4.12 kernel deployed by MaaS, this one has passed.
  2. Install 4.13 kernel from -proposed, retest, this one will fail
  3. Reboot to 4.12 again, this will fail too.

  
  09:44:44 INFO | LD_PRELOAD=libheapshrink.so HUGETLB_MORECORE_SHRINK=yes HUGETLB_MORECORE=yes heapshrink (2M: 64):	PASS (inconclusive)
  09:44:44 INFO | LD_PRELOAD=libhugetlbfs.so libheapshrink.so HUGETLB_MORECORE_SHRINK=yes HUGETLB_MORECORE=yes heapshrink (2M: 64):	FAIL	Heap did not shrink
  09:44:44 INFO | HUGETLB_VERBOSE=1 HUGETLB_MORECORE=yes heap-overflow (2M: 64):	PASS

  ProblemType: Bug
  DistroRelease: Ubuntu 17.10
  Package: linux-image-4.13.0-11-generic 4.13.0-11.12
  ProcVersionSignature: User Name 4.13.0-11.12-generic 4.13.1
  Uname: Linux 4.13.0-11-generic x86_64
  AlsaDevices:
   total 0
   crw-rw---- 1 root audio 116,  1 Sep 18 09:40 seq
   crw-rw---- 1 root audio 116, 33 Sep 18 09:40 timer
  AplayDevices: Error: [Errno 2] No such file or directory: 'aplay'
  ApportVersion: 2.20.7-0ubuntu1
  Architecture: amd64
  ArecordDevices: Error: [Errno 2] No such file or directory: 'arecord'
  AudioDevicesInUse: Error: command ['fuser', '-v', '/dev/snd/seq', '/dev/snd/timer'] failed with exit code 1:
  CurrentDmesg:
   
  Date: Mon Sep 18 09:44:55 2017
  IwConfig: Error: [Errno 2] No such file or directory: 'iwconfig'
  MachineType: Intel Corporation S2600CWR
  PciMultimedia:
   
  ProcEnviron:
   TERM=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-4.13.0-11-generic root=UUID=5170da90-e3b5-4db0-bea9-22859499daf4 ro
  RelatedPackageVersions:
   linux-restricted-modules-4.13.0-11-generic N/A
   linux-backports-modules-4.13.0-11-generic  N/A
   linux-firmware                             1.168
  RfKill: Error: [Errno 2] No such file or directory: 'rfkill'
  SourcePackage: linux
  UpgradeStatus: No upgrade log present (probably fresh install)
  dmi.bios.date: 07/20/2016
  dmi.bios.vendor: Intel Corporation
  dmi.bios.version: SE5C610.86B.01.01.0018.072020161249
  dmi.board.asset.tag: Base Board Asset Tag
  dmi.board.name: S2600CWR
  dmi.board.vendor: Intel Corporation
  dmi.board.version: H12884-261
  dmi.chassis.asset.tag: ....................
  dmi.chassis.type: 17
  dmi.chassis.vendor: ..............................
  dmi.chassis.version: ..................
  dmi.modalias: dmi:bvnIntelCorporation:bvrSE5C610.86B.01.01.0018.072020161249:bd07/20/2016:svnIntelCorporation:pnS2600CWR:pvr....................:rvnIntelCorporation:rnS2600CWR:rvrH12884-261:cvn..............................:ct17:cvr..................:
  dmi.product.family: Family
  dmi.product.name: S2600CWR
  dmi.product.version: ....................
  dmi.sys.vendor: Intel Corporation

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