Unix systems, and other Unix-like operating systems, use the term "swap" to describe both the act of moving memory pages between RAM and disk, and the region of a disk the pages are stored on. In some of those systems, it is common to use a separate whole partition of a hard disk for swapping. These ...

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222 views

Slow shutdown caused by cryptswap

After upgrading to 15.04 my computer takes a very long time to power off. Hitting escape during shutdown shows messages like so: (1 of 6) A stop job is running for ...
3
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48 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
votes
0answers
24 views

Force push process to swap

I am running Ubuntu 12.04 on Chromebook. There is couple semi-unneed processes like Google Chrome running in background which I can't just mask via 'chmod -x' or kill since they respawn again (anyway, ...
2
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0answers
40 views

Swap is still being used heavily although swappines has been set to 5

I run ubuntu on 4 Gb of RAM, and found the system still using 20% of Swap although the RAM is only 57% full and swappiness set to 5. The result of cat /proc/sys/vm/swappiness is 5. Is this is ...
2
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0answers
348 views

15.04 Swap won't “stay decrypted” (both Disk and Home Directory encrypted)

I just installed Ubuntu 15.04. During installation, I enabled both full disk encryption and home directory encryption. I then proceeded to install several applications. While installing these with ...
2
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0answers
297 views

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 ...
2
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0answers
311 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 ...
2
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0answers
49 views

Very slow start up

I am using the following release: LSB Version: ...
2
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0answers
79 views

Why is the default Ubuntu swappiness 60?

What is the reasoning for Ubuntu's default swappiness being 60?
2
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0answers
373 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 ...
2
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0answers
249 views

How to swap left Alt with left Win and use left Alt as 3rd level chooser?

How can i do such things as swap left Alt with left Win and use left Alt as 3rd level chooser? If I use both the swapping does not take effect but my Alt key is 3rd level chooser and Win key opens ...
2
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0answers
1k views

13.04 Swap partition not found

I just installed 13.04 a few days ago. I didn't read the install screens all that carefully and apparently picked the default partition scheme. Now I am trying to build the Thunderbird source and ...
2
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0answers
855 views

13.04 :: setting up hibernate + encryped swap under full disk encryption

So I recently installed 13.04 and chose full disk encryption (I didn't bother to encrypt home too - seemed pointless), and I'm wanting to encrypt my swap drive, and also enable hibernate so I can be ...
2
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0answers
259 views

How to get rid of encrypted swap?

I recently installed Ubuntu 12.04, including a encrypted root and swap partition. I'd like to get rid of the encrypted swap partition (not just of the encryption for it, but of the whole swap ...
1
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0answers
10 views

How can you setup encrypted swap with swapspace?

Command swapspace can be used to have dynamically sized swap memory, but how do you setup encryption with it?
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0answers
24 views

How to enable unused swap disk?

After some months of use I've found out that my system has no swap memory available. I urgently need it in order to build some huge software projects. cat /proc/meminfo prints the following: ...
1
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0answers
197 views

Install Ubuntu with full disk encryption - /dev/mapper/vg-root does not exist

I want to install Ubuntu with full disk encryption without swap. Therefore I've followed: Install Ubuntu 15.04 with full disk encryption, but without swap partition It didn't work, thus I've also ...
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0answers
41 views

swap partition crashes 14.04/12.04

Hardware: Acer Aspire ACX-603-UR10 8 GB RAM Blue WD010EZEX 1 TB HDD -- or -- Green WD30EXRX 3 TB HDD -- or -- Samsung HM251JI 250 GB HDD Seagate ST3160815AS 160 BG HDD (Windows 8.1/now upgraded to ...
1
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0answers
60 views

Extremely slow OS. Swap related?

I really hope you can help me. An inexperienced sysadmin, installed Ubuntu on a new Dell Desktop, it's a pretty powerful machine, and I ran a bunch of hardware tests, and can confirm that RAM/HDD and ...
1
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0answers
45 views

Booting failed after enabling swap and installing uswsusp

After reinstalling Ubuntu 15.04, my swap partition was not active which is why Ubuntu did not hibernate. I followed steps given in this answer . I edited /etc/fstab/ by typing sudo nano /etc/fstab in ...
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0answers
90 views

Swap is super slow on Xubuntu

Swap is somehow super slow on xubuntu. I have 8GB ram running vivid 15.04 Xubuntu. When ram usage reaches around 7+gb ... the hdd light goes crazy (actually, it just stays on) and stuffs get dumped ...
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0answers
40 views

How to swap Caps with Left Control and change layouts using Caps Lock+Swith (grp:shift_caps_switch)

I already tried a lot of methods for changing this and none of those worked. I used xmodmap and setxkbkey but it both ways there's always problem with setting it. However, using those methods don't ...
1
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0answers
23 views

Why does my Eee PC try to mount the extended /swap partition?

In PCManFM on the left side there is a volume called "1,0 KB Volume". When I click on it, it shows an error message that it can't mount /dev/sda2, but /dev/sda2 is extended partition with the swap ...
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0answers
100 views

default ubuntustudio 15.04 install crypto passphrase works fine except for swap

I did a fresh install of ubuntustudio 15.04 (64b), with activated encryption. I sometime get a request to provide a passphrase for ubuntu--studio--vg-swap_1, for example if I execute sudo service ...
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0answers
191 views

the disk drive for /dev/mapper/cryptswap1 is not ready yet or not present is showing

On a new elementary os installation the swap is not available. I tried all the remedies offered here: What to do about "the disk drive for /dev/mapper/cryptswap1 is not ready yet or not ...
1
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0answers
568 views

Docker warning on cgroup swap limit, memory.use_hierarchy

I am getting this warning from 'sudo docker -d': WARNING: Your kernel does not support cgroup swap limit. even after following the steps (as in this link): modify below lines in ...
1
vote
0answers
28 views

Increasing Swap file

I looked at various Q's all ready asked, but did not see my problem. I am trying to increase my swap by using GParted Partition Editor as in How to increase swap space? I try to resize/move, but it ...
1
vote
0answers
62 views

How do you move a LVM crypto swap partition from sda to sdb?

I have LVM configured for an encrypted home folder. Naturally this implies that swap falls into the crypto catagory. I have installed a second disk with a swap partition already ready to go and ready ...
1
vote
0answers
96 views

Lot's of swap is in use but ram has plenty of free space

To fix the issue(system freeze when copy large file) i changed the scheduler from cfq to deadline. I am not sure that scheduler affect the swap uses or not. I have 8 GB of ram, 2.0 GHz corei7 ...
1
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0answers
250 views

TuxOnIce hibernate error “seeking to free XXXXMB of memory” on Ubuntu 14.04

My desktop PC did not support for hibernate on Ubuntu 14.04. Therefore, I installed TuxOnIce (kernale 3.13.0-36-generic-tuxonice) to enable hibernate feature. Now, the hibernate feature works fine on ...
1
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0answers
245 views

The Ubuntu installation does not create swap partition

The Ubuntu installation does not create swap partition. This issue happen with both 12.04.2 and 13.04. I tested it with two diferents pc and with a virtual machine in virtual box into Ubuntu. I tried ...
1
vote
0answers
259 views

Encrypted swap no longer being activated at boot after removing and re-adding it

I have a Ubuntu 13.04 system using encryption for /, /home, and swap. This used to work flawlessly, but then I needed to resize the swap partition. After doing that, and manually trying to set it up, ...
1
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0answers
687 views

'hibernate' doesn't work on xubuntu 12.04

I've just installed Xubuntu on my laptop. All works fine except that hibernating doesn't work. I (successfully) resized the swap partition with GParted but it's still the same. When restarting the ...
0
votes
0answers
14 views

Upgrade to 14.04 causes “the disk drive for /dev/mapper/cryptswap1 is not ready yet or not present” - Computer can't start: Live Disc Repair Option?

I am a relative newbie that used Ubuntu a few years back on an old Dell to install Bitcoin Armory for Cold Storage. When recently deciding to retrieve them, I also decided to plug in my WiFi card and ...
0
votes
0answers
13 views

Why is it that my pc will not install grub or a swap partition?

When trying to install a different version of Ubuntu my PC tells me that an error has occurred will trying to create a swap partition, why?
0
votes
0answers
6 views

UBUNTU SWAP vs. Vsphere SWAP .vswp

I am really a newbie. I am found the .vswp swap file in the datastore and I have installed ubuntu as the OS. Unfortunately, I couldn't find the swap partition on the ubuntu OS. I really couldn't ...
0
votes
0answers
22 views

Swap partition loaded but not listed in fstab

I'm in the process of moving my swap partition between two disks and I encountered this behaviour that makes me uncomfortable removing my old swap. I'd like to know: If I can safely remove the swap ...
0
votes
0answers
12 views

Server can't start after SWAP encryption

I'am using an encrypted/server with Dropbear SSH to enter my key. I would like to encrypt SWAP partition in that way : fdisk -l Device Boot Start End Sectors Size Id Type /dev/sda1 ...
0
votes
0answers
8 views

Erase swap memory storage when app load decreased

I have enough RAM for most purposes, but sometimes I inevitably get carried away with the number of apps and tabs I have open, pushing short-term memory storage into swap. I'll then do an inventory ...
0
votes
0answers
28 views

Swap Goes Nuts and Blocks Whole System

When my RAM gets near full, the system starts swapping (as you'd expect). HOWEVER when it does that the disks go berserk and the entire system becomes utterly unresponsive, sometimes for 15 minutes ...
0
votes
0answers
30 views

Ubuntu 15.10 boots slowly

My problem is that I recently installed Ubuntu 15.10 in my PC. At the begging, the OS booted quickly, but few days ago, I've seen with Gparted that there was a swap partition of 3,7 G. My PC has ...
0
votes
0answers
21 views

Swap not available says System Monitor

I am having trouble when I play videos on my browser. I guess this may be due to low memory. I have 2GB of ram, and I had created a swap partition during the installation. I don't remember its exact ...
0
votes
0answers
35 views

GParted - unable to create new partitions (grayed out)

I'm trying to create a new swap since the old one seems to be set up incorrectly. It takes over 90 seconds to boot in because it's running some process at the start. If I comment out swap in fstab, ...
0
votes
0answers
15 views

Swap multiple keys -> Caps Lock with both ctrl and escape

As newbie developer, I try currently to get familiar with both Vim and Emacs editors. Vim was the first one (for several months up to now), I got used to it, I have some nice plugins and snippets for ...
0
votes
0answers
39 views

Unable to enable swap in Ubuntu MATE 15.10

I recently installed a fresh copy of Ubuntu MATE 15.10. I chose to encrypt my Home folder, upon using the system I noticed my swap partition was not enabled. I checked my /etc/fstab and saw it had ...
0
votes
0answers
37 views

Whn hibernating : “PM: Swap header not found”

I'm on Ubuntu 15.10. My swap partition: $ swapon -s Filename Type Size Used Priority /dev/sda2 partition 3144700 2460 -1 and in ...
0
votes
0answers
15 views

How do I get rid of this delay after deleting my swap partition?

I deleted my swap partition recently with gparted. Now when I bootup, there is a 15-40 second hang after I choose "Ubuntu" from the grub menu. It just says this ACPI probe or something message that it ...
0
votes
0answers
32 views

Performance penalties of using zram on a high-memory machine

I've heard zRAM does wonders in low-memory machines, like allowing to have 20 tabs open in a browser window without swapping or OOM - all that even without noticing that zram has kicked in! I am ...
0
votes
0answers
259 views

Why Ubuntu 15.10 won't free cached RAM?

Description of the problem: The issue I'm having is that kswapd seemingly randomly goes into a wild spin and my laptop becomes totally unusable. (edit) This is not a problem if insufficient ...
0
votes
0answers
30 views

Cannot allocate memory and file name too long

I am working on my bachelor thesis in cooperation with a commercial company and before I can start actively developing, I must run some kind of regression tests they have. Test script is written in ...