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[Bug 1555351] Re: High load freezes ubuntu completely everytime (have to reboot)


See also https://bugzilla.kernel.org/show_bug.cgi?id=12309

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  High load freezes ubuntu completely everytime (have to reboot)

Status in linux package in Ubuntu:

Bug description:
  There seem to be a lot of issues related to this:

  https://bugs.launchpad.net/ubuntu/+source/linux/+bug/159356 http://unix.stackexchange.com/questions/42824/why-does-my-desktop-lock-up-when-i-copy-lots-of-files-to-a-usb-drive http://ubuntuforums.org/showthread.php?t=1775789 https://communities.vmware.com/thread/499790?tstart=0 

  In particular, according to the last link, this is a deep issue with
  Xorg and the Linux kernel.

  Basically the problem is this. Whenever an intensive application runs
  which consumes lots of memory or hard drive i/o, Ubuntu (maybe this is
  more general to any Linux distro, I don't know) freezes completely. It
  is even impossible to kill the offending task. Only "solution" is then
  to wait for the application to finish, or restart PC.

  The links above give specific examples of what to do to reproduce this

  I have used Windows in the past (hate to compare, and I'm not coming
  back to it), and I know it doesn't have this issue (at least not as
  bad as Ubuntu), in the sense that the PC is always somewhat
  responsive, and you can attempt to kill the intensive application to
  recover the system. So I guess this is something that can be fixed.

  ProblemType: Bug
  DistroRelease: Ubuntu 15.10
  Package: linux-image-4.2.0-32-generic 4.2.0-32.37
  ProcVersionSignature: Ubuntu 4.2.0-32.37-generic 4.2.8-ckt4
  Uname: Linux 4.2.0-32-generic x86_64
  ApportVersion: 2.19.1-0ubuntu5
  Architecture: amd64
   Cannot stat file /proc/18210/fd/20: Input/output error
                        USER        PID ACCESS COMMAND
   /dev/snd/controlC0:  cossio     2082 F.... pulseaudio
   /dev/snd/controlC1:  cossio     2082 F.... pulseaudio
  CurrentDesktop: XFCE
  Date: Wed Mar  9 22:28:53 2016
  HibernationDevice: RESUME=UUID=37d586ee-f517-4977-b9cd-189c200b0bac
  InstallationDate: Installed on 2015-08-03 (219 days ago)
  InstallationMedia: Xubuntu 15.04 "Vivid Vervet" - Release amd64 (20150422.1)
  ProcFB: 0 inteldrmfb
  ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-4.2.0-32-generic.efi.signed root=UUID=52be177f-a0ea-4053-be39-bbeaff1a22df ro quiet splash vt.handoff=7
   linux-restricted-modules-4.2.0-32-generic N/A
   linux-backports-modules-4.2.0-32-generic  N/A
   linux-firmware                            1.149.3
  SourcePackage: linux
  UdevLog: Error: [Errno 2] No such file or directory: '/var/log/udev'
  UpgradeStatus: Upgraded to wily on 2016-01-31 (38 days ago)
  dmi.bios.date: 04/01/2014
  dmi.bios.vendor: American Megatrends Inc.
  dmi.bios.version: X550LA.505
  dmi.board.asset.tag: ATN12345678901234567
  dmi.board.name: X550LA
  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.:bvrX550LA.505:bd04/01/2014:svnASUSTeKCOMPUTERINC.:pnX550LA:pvr1.0:rvnASUSTeKCOMPUTERINC.:rnX550LA:rvr1.0:cvnASUSTeKCOMPUTERINC.:ct10:cvr1.0:
  dmi.product.name: X550LA
  dmi.product.version: 1.0
  dmi.sys.vendor: ASUSTeK COMPUTER INC.

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