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Bug#820955: linux: When memory all used, cursor lags, keyboard does not respond, I am forced to reboot

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Source: linux
Severity: important

Dear Maintainer,

I was running some heavy computations, until cursor started severely
lagging,
keyboard stopped responding, HDD usage led was perpetually on (swap is
turned
off) and I had to hit the power button.

Notice this happened to me multiple times through the years on different
machines (including ana Asus x53Sv laptop and a HP Z230 desktop) and
different
distributions (Debian, Ubuntu, Kubuntu and Mint).

When this happened in the past, System Monitor showed that I was using 100%
of
memory. I even turned swap off with no effect on the issue.

I am confident I can replicate this if necessary. I am happy to provide
additional
information.

I believe the bug is the same reported here:
https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1555351
https://bugs.launchpad.net/ubuntu/+source/linux/+bug/159356
A guy there states that he has been experiencing this problem forever (he
started
using linux in 1999, although he does not report when he first experienced
the
issue), and this is consistent with my experience (I started using it in
2007,
although I cannot remember when I first experienced the issue).



-- System Information:
Debian Release: 8.2
  APT prefers stable-updates
  APT policy: (500, 'stable-updates'), (500, 'stable')
Architecture: amd64 (x86_64)

Kernel: Linux 3.16.0-4-amd64 (SMP w/8 CPU cores)
Locale: LANG=en_AU.UTF-8, LC_CTYPE=en_AU.UTF-8 (charmap=UTF-8)
Shell: /bin/sh linked to /bin/dash
Init: systemd (via /run/systemd/system)

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Bug#820955: linux: When memory all used, cursor lags, keyboard does not respond, I am forced to reboot Marco Tamassia <nazgul17@gmail.com> - 2016-04-14 03:00 +0200
  Bug#820955: linux: When memory all used, cursor lags, keyboard does not respond, I am forced to reboot Ben Hutchings <ben@decadent.org.uk> - 2016-04-14 04:10 +0200
    Bug#820955: linux: When memory all used, cursor lags, keyboard does not respond, I am forced to reboot Marco Tamassia <nazgul17@gmail.com> - 2016-04-14 05:20 +0200
      Bug#820955: linux: When memory all used, cursor lags, keyboard does not respond, I am forced to reboot Ben Hutchings <ben@decadent.org.uk> - 2016-04-14 13:30 +0200
  Processed: Re: Bug#820955: linux: When memory all used, cursor  lags, keyboard does not respond, I am forced to reboot owner@bugs.debian.org (Debian Bug Tracking System) - 2016-04-14 04:10 +0200

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