Random-access memory (RAM) is a form of computer data storage. Today, it takes the form of integrated circuits that allow stored data to be accessed in any order with a worst case performance of constant time.

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chromium build fails due to `out of memory` allocation

i am trying to build chromium content_shell. But it fails at the last linking stage because of out of memory. Error Log: [1/1] LINK content_shell ... /usr/bin/ld: out of memory allocating ...
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33 views

Is it possible to suspend applications?

The main idea is to add a "suspend" button to the title(behind the "quit" cross button) of the application window that will copy the memory taken by application to swap/local storage with pid ...
2
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85 views

huge cached memory, mostly freez system :(

I have a problem with system memory cache, i think it is bigger than normals. after 5-10 minute of usage, system become unusable and i must restart my "Asus X451-CA" laptop. this command ran upon user ...
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0answers
125 views

Can only access 1.9 gb of RAM on Ubuntu 12.04

So I installed Ubuntu 12.04 (edit: 64-bit) on my PC. My PC had 4 GB of RAM installed, which the BIOS recognizes. It also displays when I type uname -m, so the OS knows it's there. However, according ...
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138 views

Out of memory when booting ubuntu or any linux distro from LIVE USB

Scenario: I had ubuntu 13.10 installed. tried to boot with a windows usb windows setup frozen after selecting "Delete" on an empty ntfs partition restarted the laptop with power button Now when i ...
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0answers
174 views

Ubuntu crashes with high memory use without swapping

I'm running some memory intensive calculations on Ubuntu 13.04. I have 8 GB of RAM, and a swap partition with the same amount of memory. The hard disk and swap partition are encrypted. › free -m ...
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0answers
212 views

Can I have a Ubuntu 12.04 live usb work with both the -persistance and -toram additional boot options?

I really like using the Ubuntu 12.04 live CD/USB's "-toram" additional boot option for my laptop because "-toram" adds a few extra hours to the battery and makes things a little faster. I add the ...
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0answers
1k views

Is there a default limit to the amount of memory a process may use?

Running 64-bit Matlab 7.12 on a 64-bit 10.04 Ubuntu Server. When I try run a big problem that should need 46GB of memory (the server has 72GB of Memory and plenty of swap space), the experimental ...
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884 views

Ubuntu 12.4 on 3.4.45 kernel: Can't access USB memory stick

I installed kernel version 3.4.45 [LTS] on ubuntu 12.4 on a Acer laptop. With this configuration, the USB memory drives can't be accessed, some details are follows. Upon inserting the USB drive dmesg ...
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136 views

Why do I run out of memory even when nothing is running?

I am currently facing a problem that when I run Uclust, it keeps showing me mymalloc running ot of memory. The thing is that cuurently nothing is running in the system and my memory shows I am ...
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226 views

Ubuntu 12.04 tilts when trying to open large excel file with libreoffice or matlab

I have an xlsx-file of size 27.3MB and when I try to open it either in Libreoffice or Matlab the whole system slows down My processor is AMD Sempron(tm) 140 Processor (should be about 2.7Ghz) Memory ...
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269 views

Anything sync daemon for Ubuntu?

Is there a utility providing similar functionality to Anything sync daemon for 64bit Ubuntu? Preferably in the repository or with a PPA. In particular, I'd like to stop Firefox from constantly ...
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188 views

Problem with the allocated partition memory

I installed ubuntu 12.04 using wubi on to a 60GB partition. I installed Qt sources, which are a couple of GB in size, but once I start commpiling it started complaining about lack of memory. I ...
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0answers
19 views

Memory issue. How to identify the root cause using free

I am running two application on my system. When I run two applications in parallel, Memory gets consumed within a few minutes.. [Data below is not actual.. Just for explanation] Initial state.. ...
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84 views

Solved: enabling swapping cripples system

I am having a strange issue. Essentially, when swapping is enabled (on a swap partition), the system becomes unusably slow even at times when no swapping is in fact occurring. For example, when ...
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0answers
28 views

Why does it state that *-cache:1 DISABLED at lshw command

It seems like my memory is working correctly but I am puzzled by the output of the following command. Is the memory disabled and how do I go about testing it if it may be. $ sudo lshw -C memory ...
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36 views

Why is my launcher automatically set to default and personal keyboard layouts disappeared?

Yesterday, I was using a program to read something into the RAM, but underestimated the size. My computer started swapping and lost itself in its calculation, hence I killed the process (and firefox ...
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61 views

Oneconf eating up memory while in chrome

When I look at the dependencies in Synaptic, it shows Ubuntu desktop, and software center as being dependent on oneconf, and I do not wish to remove these. However whenever I get to a page which has ...
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50 views

System running very lagish and slow-responding

The system is very slow to respond, and wherever I click, the window appears slowly (almost as if its transparency is reduced). The specification is: -OS: Ubuntu 13.1 32-bit -Memory: 1GB -Processor: ...
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34 views

Virtual memory or swap memory on ubuntu installed by wubi installer

I am using Ubuntu 32 bit which I have installed inside windows 7 with wubi installer. I have noted that my Ubuntu swap memory is only 256MB and my ram is 2GB. I have tried my best to gain swap memory ...
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153 views

ubuntu 12.04 Init process provokes memory leak and CPU intensive usage

I have lately been having some memory and CPU issues with init process. After rebooting, the memory used by it keeps increasing at quite high pace, and after half hour it occupies all the memory RAM ...
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542 views

php-fpm high memory and cpu usage

My Real Ram and Virtual Memory is of each 1 GB. but php5-fpm uses very high memory approx 885MB. I searched for solutions but there is no effect. I have wordpress site and currently at a time there ...
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144 views

Ardour Memory Limit Warning

I get this warning from Ardour. I'm running on 64-bit Ubuntu 13.10, envy 14. 8gb of ram (That I know my motherboard can take because it works on windows). "WARNING: Your system has a limit for ...
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229 views

init has huge memory allocation after time - ubuntu 13.10

init process is taking huge amounts of memory. It starts normally with about 2 MB and if I kept the laptop running for half a day, it would reach 1.5 GB!! Which slowly kills the performance, and ...
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145 views

Kernel netfiler module not working as expected

I am developing a kernel module for source port translation using netfilter hooks. The code was tested on Mint 3.8.0-31 and Debian 3.7.2-0 both on same Asus machine. And works exactly as expected. ...
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260 views

Automatically kill Chrome processes that exceed RAM limits

I've sought advice from similar threads here, and I'm either not reading them correctly, or my brain is currently fried. My Prior Reading: Automatically kill a process if it exceeds a given amount ...
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49 views

Drivers are not detected on ubuntu 13.04

My memory card reader and bluetooth do not work on ubuntu 13.04. Is there any solution ? lsusb output is this : Bus 005 Device 002: ID 0a5c:4500 Broadcom Corp. BCM2046B1 USB 2.0 Hub (part of ...
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62 views

How to persistently limit resources of a program

I am running several programs on my computer and under normal circumstances my RAM (2GB) and CPU power is sufficient. However it occurs that a single program suddenly turns the system permanently ...
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629 views

How could I boot my installation of Ubuntu 13.04 in ram?

Just like in the live cd using squashfs of the system. I think that it could boost the general speed of the whole os by putting it on the ram. This wiki is outdated, maybe: ...
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72 views

New Fonts breaking Wine

I'm running Photoshop CS2 in Wine because, well I'm not a fan of the gimp sorry. It's been perfectly stable up until today when I installed a couple of new fonts and now it is running out of memory ...
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0answers
123 views

Disk cache is sometimes dropped/erased

I have a memory/cpu monitor running, and sometimes see the graph line for “cached memory” drop, for no apparent reason. Earlier today Cache memory was at about 4.8GB but then dropped in two steps ( a ...
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46 views

Linux kernel: page substitution policy

I am supposed to answer for homework which algorithm is implemented in Linux for the virtual memory page substitution and also give some extracts of the code to prove that. After some research I have ...
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11 views

Eclipse throws out of memory error, but won't crash if run with SUDO

I have a heavy project I compile via eclipse (android app), strangly it crashes if I run it as a regular user with an out of memory error during complilation, I've updated the ini file to utlize as ...
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0answers
8 views

Apache2 killing Xen server

I'm running a 512mb Ubuntu 12.04LTS 32bit Xen-based virtual server from a hosting company. The server runs a Shoutcast 128Kbps/32 slot server and sc_trans transcoder, serving an mp3 playlist from the ...
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0answers
31 views

Systems is Only Using 4.7 GiB out of 6GiB

I'm running Ubuntu 14.10. So, I've followed all the steps listed here: Ubuntu 14.04 (amd64) not detecting all of my memory And everything seems to be ok. There ARE 6Gib installed on my computer, as ...
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0answers
35 views

GPU, Dota 2 or RAM problem?

I knew that i used bleachbit to free my memory.I ticked it accidentally and did it.After i did that, the computer seems to slow down.A few days later i felt that it became slower, so i did a new fresh ...
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0answers
16 views

Mount disk with write permissions but leave it untouched

I have a raw image that I would like to mount to my system (Ubuntu 12). The problem is that I don't want to write anything to the disk itself, so the raw image will stay as it was before mounted. I ...
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0answers
7 views

What does it mean for /proc/kpagecount to be zero

for some entries in /proc/kpagecount, all the 64 bit entry is zeros and yet the page is allocated (confirmed from /proc/kpageflags). What does it mean for kpagecount to be zero for certain physical ...
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12 views

Ubuntu server 14.04 LTS specific information?

Im new and lost here. Where can I find all ubuntu server general features? like: Processor and Memory Support (Physical memory etc.), network/storage/manageability features? Im trying to find this in ...
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15 views

Store realtime system snapshot for boot

Is it possible to do a kind of hibernate but without turn computer off? Create snapshots every 10 minutes (for example) so if it suddenly turn off last state can be restored.
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50 views

Ubuntu 14.04 freezing completely on new netbook

I have some strange problem not letting me ask this question on my laptop, so apologies if I am asking something that has already been asked by someone. I bought laptop with enough capabilities to ...
0
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0answers
55 views

Total RAM discrepancy: who's right?

I started with two 1gb sticks of top quality fast (at the time) DDR2 RAM, rated to at least 800mhz, possible 1000. I've since added two 2gb sticks, making 6gb total. System Profiles (aka cat ...
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0answers
38 views

cached memory wont clearing up

For some reason my desktop pc which is running Ubuntu 14.04 don't want to clear the cached memory up. I find this strange because my laptop is clearing cached memory up as soon as possible. I'm ...
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0answers
69 views

Amount of memory changed?

I've noticed that the amount of memory in Ubuntu 14.04 has changed, when I view the output of free I notice that it says 16304096. I find this weird because it was 16304120. After I booted in a older ...
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0answers
159 views

Invalid memory info showed by lshw and dmidecode (DDR2/DDR3)

I'll be grateful I someone would tell me why my Ubuntu (14.04) shows invalid memory information? I have installed DDR3 memory (and also my BIOS reports it as DDR3), but commands shows info about DDR2. ...
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62 views

Does VM require Swap? su: fork: Cannot allocate memory

We have Mysql Server in AWS environment in Ubuntu 14.04. Recently our server lost new connectivity like ssh, or scp any connections due to cannot allocate memory. And my existing connectivity to ...
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41 views

How can I have tcpdump write to a memory buffer rather than file?

This script I wrote to suspend my media server when not in use. I know there are probably more efficient ways to write this, but I am a beginner. This is really my first script I've ever written. I ...
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0answers
117 views

Ubuntu 14.04 detects 4 out of 8 GB of ram in dual channel mode

I have 2 x 4 GB sticks of RAM. My motherboard (Gigabyte GA-970A-DS3P) supports up to 4 sticks and 32 GB of memory in dual channel mode. However if I install my memory into the slots recommended in the ...
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0answers
27 views

RAM allocation on PC

I am planning to buy a Windows Laptop with 8GB RAM running Win7 64bit OS. Need your help to understand before I buy this. QST: My requirement is Ubuntu should run on 8GB RAM. If I install Ubuntu, can ...
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0answers
21 views

ubuntu 14 on vps processes keeps getting killed

I've just bought a vps from ipxcore. When i try to run bitcoind it gets killed after about 10s. dmesg retruns nothing at all, also strange! Any idea what might be wrong? Checked memory usage with ...