High SHMem memory usage!

I have tried everything I could think of so here I am asking this question here… I have a computer that has 8 GB of RAM. After booting the computer, logging in, not opening any applications and leaving the computer on overnight, the memory usage skyrockets and all 8 gigabytes of RAM are used. At … Read more

Xorg memory leak – Xubuntu 16.04 [closed]

Closed. This question is off-topic. It is not currently accepting answers. Want to improve this question? Update the question so it’s on-topic for Ask Ubuntu. Closed 3 years ago. Improve this question After some time that the computer runs, Xorg starts using ridiculous amounts of RAM: On startup it uses only 50-80 MB, after a … Read more

Gnome 3.36.2 leaking memory and CPU in 20.04

I’ve noticed lately that the performance of the UI in Gnome 3.36.2 seems to decay with uptime. The most obvious manifestation is that over time, window animations have a delay and feel “sticky”. Applications themselves seem unaffected. When I tell gnome to switch workspaces, there’s about a half second to full second delay before the … Read more

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, compiz and conky, I noticed this process: /usr/bin/X :0 -auth /var/run/lightdm/root/:0 -nolisten tcp vt7 -novtswitch -background none Not only is it running constantly, … Read more

How to detect a memory leak?

I seem to have a larger memory leak on my current ubuntu System After reporting strange Eclipse memory errors ( https://askubuntu.com/questions/148998/eclipse-constant-different-out-of-memory-errors ) I started to get ‘Not enough Memory’ error messages in my console today – while doing simple tasks like typing in sudo -s – or even – free -m Typing in ‘free -m’ … Read more

Why am I frequently getting this “Cannot allocate memory” error?

I’m using Ubuntu 12.10 with Gnome-Classic. I am getting this error frequently and with almost all programs, big and small. When I try to open them, they don’t start, and instead I get an error message that says Could not launch ‘Program’ – Failed to fork child process (Cannot allocate memory). This wasn’t a problem … Read more