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[Bug 1592813] Re: System freezes if memory is full


I can confirm that the issue persists on kernel upstream too:

renato@renato-laptop:~$ uname -a
Linux renato-laptop 4.7.0-040700rc3-generic #201606121131 SMP Sun Jun 12 15:34:32 UTC 2016 x86_64 x86_64 x86_64 GNU/Linux

** Changed in: linux (Ubuntu)
       Status: Incomplete => Confirmed

** Tags added: kernel-bug-exists-upstream

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  System freezes if memory is full

Status in linux package in Ubuntu:

Bug description:
  If one or more process becames near of using 100% of system ram
  memory, Ubuntu will completely freeze.  It is not possible even to
  switch to a VT to try to kill one or more procs.

  First I tought it could be some problem with swap and I tried to
  disable my swap partition, but didn't make a difference.

  Before using Ubuntu 14.04 64bit, I was using 8.04 32bits and this
  problem never happende with it.  If the memory was near 100%, new apps
  would crash when trying to malloc, but the system would still be rock
  solid allowing me to close running apps to free memory.

  ProblemType: Bug
  DistroRelease: Ubuntu 14.04
  Package: linux-image-3.13.0-46-generic 3.13.0-46.79
  ProcVersionSignature: Ubuntu 3.13.0-46.79-generic 3.13.11-ckt15
  Uname: Linux 3.13.0-46-generic x86_64
  NonfreeKernelModules: nvidia
  ApportVersion: 2.14.1-0ubuntu3.21
  Architecture: amd64
   /dev/snd/controlC0:  renato     2391 F.... pulseaudio
  CurrentDesktop: MATE
  Date: Wed Jun 15 09:52:27 2016
  HibernationDevice: RESUME=UUID=4f544f74-0b59-4895-959b-9a2e60ce4485
  InstallationDate: Installed on 2015-03-10 (462 days ago)
  InstallationMedia: Ubuntu MATE 14.04.1 "Trusty Tahr" - final amd64 (20141111)
  MachineType: ASUSTeK Computer Inc. M51Sn
  ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-3.13.0-46-generic root=UUID=818b643f-29ae-4599-8039-470975a54543 ro biosdevname=0 quiet splash
   linux-restricted-modules-3.13.0-46-generic N/A
   linux-backports-modules-3.13.0-46-generic  N/A
   linux-firmware                             1.127.22
  SourcePackage: linux
  UpgradeStatus: No upgrade log present (probably fresh install)
  dmi.bios.date: 05/04/2008
  dmi.bios.vendor: American Megatrends Inc.
  dmi.bios.version: 305
  dmi.board.asset.tag: ATN12345678901234567
  dmi.board.name: M51Sn
  dmi.board.vendor: ASUSTeK Computer Inc.
  dmi.board.version: 1.0
  dmi.chassis.asset.tag: ATN12345678901234567
  dmi.chassis.type: 10
  dmi.chassis.vendor: ASUSTeK Computer Inc.
  dmi.chassis.version: 1.0
  dmi.modalias: dmi:bvnAmericanMegatrendsInc.:bvr305:bd05/04/2008:svnASUSTeKComputerInc.:pnM51Sn:pvr1.0:rvnASUSTeKComputerInc.:rnM51Sn:rvr1.0:cvnASUSTeKComputerInc.:ct10:cvr1.0:
  dmi.product.name: M51Sn
  dmi.product.version: 1.0
  dmi.sys.vendor: ASUSTeK Computer Inc.

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