Public bug reported:
I went to close a couple of windows (Gedit and a Nautilus window), both
became grey and both showed up the not-responding pupup (to both of
which I replied "cancel") and the system stayed unresponsive to both
clicks and keystrokes for a full two minutes or so.
Mouse cursor was moving fluidly without the smallest jerkyness, but neither
clicks nor keystrokes would do nothing.
Even Ctrl+Alt+F1 wouldn't work (which would have allowed me to open a virtual
terminal and have a look at the processes)
By chance, I had a visible open terminal window with top running just
prior to the incident, and it wasn't showing high CPU consumption; also,
the cooler fan speed didn't seem to indicate that was the case.
After a few minutes everything got back to normal.
NO MATTER WHAT, keystrokes and clicks must always have the highest
priority, in shuch a way that it must NEVER, EVER happen that you can't
even open a virtual terminal with Ctrl+Alt+F1. Something is very wrong
at a very low level if the whole system can become unresponsive due to
some process being very busy or even if this was due to swapping.
ProblemType: Bug
DistroRelease: Ubuntu 12.10
Package: unity 6.12.0-0ubuntu0.2
ProcVersionSignature: Ubuntu 3.5.0-37.58-generic 3.5.7.16
Uname: Linux 3.5.0-37-generic i686
NonfreeKernelModules: nvidia
ApportVersion: 2.6.1-0ubuntu12
Architecture: i386
CompizPlugins:
[core,composite,opengl,decor,vpswitch,mousepoll,compiztoolbox,snap,commands,place,resize,session,regex,grid,wall,move,gnomecompat,imgpng,animation,fade,unitymtgrabhandles,workarounds,scale,expo,ezoom,unityshell]
Date: Sun Jul 28 18:27:47 2013
InstallationDate: Installed on 2010-06-23 (1131 days ago)
InstallationMedia: Ubuntu 10.04 LTS "Lucid Lynx" - Release i386 (20100429)
MarkForUpload: True
ProcEnviron:
TERM=xterm
PATH=(custom, no user)
XDG_RUNTIME_DIR=<set>
LANG=en_US.UTF-8
SHELL=/bin/bash
SourcePackage: unity
UpgradeStatus: Upgraded to quantal on 2013-01-13 (196 days ago)
** Affects: unity (Ubuntu)
Importance: Undecided
Status: New
** Tags: apport-bug i386 quantal running-unity
** Description changed:
I went to close a couple of windows (Gedit and a Nautilus window), both
became grey and both showed up the not-responding pupup (to both of
which I replied "cancel") and the system stayed unresponsive to both
clicks and keystrokes for a full two minutes or so.
Mouse cursor was moving fluidly without the smallest jerkyness, but neither
clicks nor keystrokes would do nothing.
Even Ctrl+Alt+F1 wouldn't work (which would have allowed me to open a virtual
terminal and have a look at the processes)
By chance, I had a visible open terminal window with top running just
prior to the incident, and it wasn't showing high CPU consumption; also,
the cooler fan speed didn't seem to indicate that was the case.
After a few minutes everything got back to normal.
-
- NO MATTER WHAT, keystrokes and clicks must always have the highest priority,
in shuch a way that it must NEVER, EVER happen that you can't even open a
virtual terminal with Ctrl+Alt+F1. Something is very wrong at a very low level
if the whole system can become unresponsive due to some process being very busy.
+ NO MATTER WHAT, keystrokes and clicks must always have the highest
+ priority, in shuch a way that it must NEVER, EVER happen that you can't
+ even open a virtual terminal with Ctrl+Alt+F1. Something is very wrong
+ at a very low level if the whole system can become unresponsive due to
+ some process being very busy or even if this was due to swapping.
ProblemType: Bug
DistroRelease: Ubuntu 12.10
Package: unity 6.12.0-0ubuntu0.2
ProcVersionSignature: Ubuntu 3.5.0-37.58-generic 3.5.7.16
Uname: Linux 3.5.0-37-generic i686
NonfreeKernelModules: nvidia
ApportVersion: 2.6.1-0ubuntu12
Architecture: i386
CompizPlugins:
[core,composite,opengl,decor,vpswitch,mousepoll,compiztoolbox,snap,commands,place,resize,session,regex,grid,wall,move,gnomecompat,imgpng,animation,fade,unitymtgrabhandles,workarounds,scale,expo,ezoom,unityshell]
Date: Sun Jul 28 18:27:47 2013
InstallationDate: Installed on 2010-06-23 (1131 days ago)
InstallationMedia: Ubuntu 10.04 LTS "Lucid Lynx" - Release i386 (20100429)
MarkForUpload: True
ProcEnviron:
- TERM=xterm
- PATH=(custom, no user)
- XDG_RUNTIME_DIR=<set>
- LANG=en_US.UTF-8
- SHELL=/bin/bash
+ TERM=xterm
+ PATH=(custom, no user)
+ XDG_RUNTIME_DIR=<set>
+ LANG=en_US.UTF-8
+ SHELL=/bin/bash
SourcePackage: unity
UpgradeStatus: Upgraded to quantal on 2013-01-13 (196 days ago)
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https://bugs.launchpad.net/bugs/1205876
Title:
whole system became unresponsive to clicks and keystrokes for a couple
of minutes
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