The problem seems to have been caused by the "/" partition becoming unmounted.
Tested disk(crucial M4 SSD 128GB) using "partition magic" and found nothing
wrong.
I've reinstalled ubuntu using and identical disk and so far everything works so
closing bug.
** Changed in: unity (Ubuntu)
Status: Incomplete => Invalid
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Matching subscriptions: dp-unity
https://bugs.launchpad.net/bugs/1048250
Title:
unity desktop becomes unusable after 1 hour
Status in “unity” package in Ubuntu:
Invalid
Bug description:
After installing the last updates available via update manager (7th Sept) the
unity desktop has become very unstable.
It becomes unusable after an hour of use from reboot.
Initial manifestation is that I can't start any new applications, then
pressing the "alt" key causes unity to freeze.
I loose the min/max controls on each window and keyboard stops functioning so
can't do restart from a terminal and forced to do reboot.
Before above happens I can 't start any applications either from sidebar or
alt/F2
I can reproduce this state by running the command "unity" from the a
terminal and then ctrl/c out of it. So it seems that unity crashes ?
but does not get restarted(as I don't get dumped back to a login
screen).
I'm running
Release 12.04 (precise) 64-bit (with latest updates)
Kernel Linux 3.2.0-30-generic
GNOME 3.4.2
hardware:
Dell E5520
memory :7.7 GiB
Intel® Core™ i3-2310M CPU @ 2.10GHz × 4
crucial M4 SSD 128GB
This is my main work machine and has been completely stable running
ubuntu since last November.
This is the update that caused this problem
"
Start-Date: 2012-09-07 08:50:23
Commandline: aptdaemon role='role-commit-packages' sender=':1.74'
Install: linux-headers-3.2.0-30:amd64 (3.2.0-30.48),
linux-image-3.2.0-30-generi
c:amd64 (3.2.0-30.48), linux-headers-3.2.0-30-generic:amd64 (3.2.0-30.48)
Upgrade: thunderbird-locale-en-gb:amd64 (14.0+build1-0ubuntu0.12.04.1,
15.0+buil
d1-0ubuntu0.12.04.1), thunderbird-locale-en-us:amd64
(14.0+build1-0ubuntu0.12.04
.1, 15.0+build1-0ubuntu0.12.04.1), glib-networking-common:amd64
(2.32.1-1ubuntu1
, 2.32.1-1ubuntu2), icedtea-netx:amd64 (1.2-2ubuntu1.1, 1.2-2ubuntu1.2),
thunder
bird:amd64 (14.0+build1-0ubuntu0.12.04.1, 15.0+build1-0ubuntu0.12.04.1),
linux-g
eneric:amd64 (3.2.0.29.31, 3.2.0.30.32), firefox-globalmenu:amd64
(14.0.1+build1
-0ubuntu0.12.04.1, 15.0+build1-0ubuntu0.12.04.1), icedtea-6-jre-cacao:amd64
(6b2
4-1.11.3-1ubuntu0.12.04.1, 6b24-1.11.4-1ubuntu0.12.04.1),
openjdk-6-jre-lib:amd6
4 (6b24-1.11.3-1ubuntu0.12.04.1, 6b24-1.11.4-1ubuntu0.12.04.1),
openjdk-6-jre-headless:amd64 (6b24-1.11.3-1ubuntu0.12.04.1, 6b24-1.11.4-1ubunt
u0.12.04.1), icedtea-netx-common:amd64 (1.2-2ubuntu1.1, 1.2-2ubuntu1.2),
firefox:amd64 (14.0.1+build1-0ubuntu0.12.04.1, 15.0+build1-0ubuntu0.1
2.04.1), icedtea-6-plugin:amd64 (1.2-2ubuntu1.1, 1.2-2ubuntu1.2),
icedtea-6-jre-jamvm:amd64 (6b24-1.11.3-1ubuntu0.12.04.1, 6b24-1.11.4-1ubuntu
0.12.04.1), libssl-dev:amd64 (1.0.1-4ubuntu5.3, 1.0.1-4ubuntu5.5),
icedtea-plugin:amd64 (1.2-2ubuntu1.1, 1.2-2ubuntu1.2), libssl-doc:amd64 (1.
0.1-4ubuntu5.3, 1.0.1-4ubuntu5.5), linux-headers-generic:amd64 (3.2.0.29.31,
3.2.0.30.32), linux-image-generic:amd64 (3.2.0.29.31, 3.2.0.30.32
), google-talkplugin:amd64 (3.2.4.0-1, 3.5.1.0-1), policykit-1-gnome:amd64
(0.105-1ubuntu3, 0.105-1ubuntu3.1), firefox-locale-en:amd64 (14.0.1
+build1-0ubuntu0.12.04.1, 15.0+build1-0ubuntu0.12.04.1), python-gst0.10:amd64
(0.10.22-3, 0.10.22-3ubuntu0.1), thunderbird-globalmenu:amd64 (1
4.0+build1-0ubuntu0.12.04.1, 15.0+build1-0ubuntu0.12.04.1),
thunderbird-gnome-support:amd64 (14.0+build1-0ubuntu0.12.04.1,
15.0+build1-0ubuntu
0.12.04.1), openssl:amd64 (1.0.1-4ubuntu5.3, 1.0.1-4ubuntu5.5),
libgc1c2:amd64 (7.1-8build1, 7.1-8ubuntu0.12.04.1), linux-libc-dev:amd64 (3.2.
0-29.46, 3.2.0-30.48), glib-networking-services:amd64 (2.32.1-1ubuntu1,
2.32.1-1ubuntu2), openjdk-6-jre:amd64 (6b24-1.11.3-1ubuntu0.12.04.1, 6
b24-1.11.4-1ubuntu0.12.04.1), icedtea6-plugin:amd64 (6b21.2-2ubuntu1.1,
6b21.2-2ubuntu1.2), thunderbird-locale-en:amd64 (14.0+build1-0ubuntu0.
12.04.1, 15.0+build1-0ubuntu0.12.04.1), firefox-gnome-support:amd64
(14.0.1+build1-0ubuntu0.12.04.1, 15.0+build1-0ubuntu0.12.04.1), libssl1.0.
0:amd64 (1.0.1-4ubuntu5.3, 1.0.1-4ubuntu5.5), libssl1.0.0:i386
(1.0.1-4ubuntu5.3, 1.0.1-4ubuntu5.5), glib-networking:amd64 (2.32.1-1ubuntu1, 2
.32.1-1ubuntu2), glib-networking:i386 (2.32.1-1ubuntu1, 2.32.1-1ubuntu2)
End-Date: 2012-09-07 08:51:38
"
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