2
votes
1answer
95 views

Memory is taken up by “invisible” threads

Xubuntu Saucy with 4GB RAM. When the computer is restarted and immediately after login, about 500 MB of RAM is taken according to free -m. Then I run some programs and memory usage goes above 3 GM. ...
8
votes
2answers
1k views

Ubuntu 13.04 memory usage doesn't add up over time

The memory usage on my Ubuntu 13.04 system doesn't add up over time. I've tried the 3.8.0-xx kernels and the latest 3.9 from /~kernel-ppa/mainline. When I first boot, it all adds up correctly but ...
0
votes
0answers
177 views

Memory allocation issue

I regularly code in C/C++. Today while compiling a program. it returned "KILLED". I believe it is because of memory management issues. I use dynamic allocation very rarely so its highly unlikely that ...
1
vote
1answer
509 views

Compiz's memory utilization increasing

I have been running Ubuntu 12.04, 64 bit, on my AMD desktop for quite some time. Last few days, I have been seeing the memory utilization of compiz to be increasing. I normally do not shut down the ...
3
votes
2answers
4k views

What is process “/usr/bin/X :0 -auth /var/run/lightdm/root/:0 -nolisten tcp vt7 -novtswitch -background none”?

I am experiencing some serious performance issues with my Ubuntu 12.04 setup and thus looking for the culprit by running htop alongside my usual tasks. Aside from the usual suspects like chromium, ...
0
votes
1answer
386 views

rhythmbox-scope consuming lots of memory

I've noticed that rhythmbox-scope for unity-hud's music-lens is taking something above 18% of my memory all the time without doing anything useful. Actually using it for searching music doesn't ...
1
vote
1answer
2k views

Ubuntu locks up when swap full

I have a Ubuntu system running xfce and 2 GB RAM. I have a 1GB swap file which, when multitasking begins to fill up. When I have even a small amount of free swap, I have no issues, but the second the ...
3
votes
2answers
363 views

is it normal for ubuntu 11.10 to use 1 GB of memory?

On my older system i ran the 32 bit version of Ubuntu with 4 GB of ram and noticed it rarely come near 1 gig of usage.I have my new system running with the 64 bit version.The new system is a quad ...