ram

why is all this swap space being used?

why is all this swap space being used? I have a Debian box, where I am doing some data recovery using ddrescue on a sata ssd. The process has been running for 24 hours, and has 24 to go (at least) in any event, the PC has 16GB ram, and 10GB swap. For some reason, …

Total answers: 2

BadRAM Range: cannot set up the right range

BadRAM Range: cannot set up the right range I think my MacBook with soldered RAM has a RAM issue.  With memtest86+, I figured out which BadRAM pattern I have, but I cannot interpret the result correctly.  How should I read the range to set up the right exclusion in GRUB? Here are my memtest results: BadRAM Patterns ————— badram=0x0000000058cb4000,0xfffffffffffffc00, …

Total answers: 1

Why do Browsers crash on my machine with Nvidia Drivers?

Why do Browsers crash on my machine with Nvidia Drivers? For a while now on my system browsers crash very often (between 3 times in a row when opening and once every hour). Sometimes the entire browser crashes, sometimes its only one tab. I normally use Firefox but Chromium Browsers crash in seemingly the same …

Total answers: 1

Motherboard's maximum RAM capacity

Motherboard's maximum RAM capacity I’m trying to upgrade the RAM on a desktop computer, which currently has 4x2G m378b5773ch0-ch9 sticks. When I look up the manufacturer’s website, It says that it Supports up to 16 GB (unbuffered) on 64-bit computers , however when I inspect the maximum capacity of the motherboard using dmidecode, I get …

Total answers: 2

Available memory low despite no process using a lot of memory

Available memory low despite no process using a lot of memory so I fired up my personal Ubuntu 22.04 server today, and noticed that it was extremely slow in comparison to yesterday. I checked via commands what was going on and am really confused: As you can see here, "available" is extremely low. With htop: …

Total answers: 1

Ubuntu fails to boot properly after RAM upgrade

Ubuntu fails to boot properly after RAM upgrade I have a Optiplex 3070 with a i5-9500 processor. It has 8Gb ddr4 on board, but I wanted an ugrade to 16Gb RAM. I installed two sticks of HyperX fury 8Gb DDR4 2666Ghz. After rebooting my screen went al funny and all I see is lines and …

Total answers: 1

Command(s) to know If the current RAM installed by slot is ECC/Non-ECC and Buffered/Unbuffered

Command(s) to know If the current RAM installed by slot is ECC/Non-ECC and Buffered/Unbuffered About RAM for laptops I did realize that is available ECC Non-ECC Buffered Unbuffered It according with: Kingston Technology KVR16LS11/8 8GB 1600MHz DDR3L (PC3-12800) 1.35V Non-ECC CL11 SODIMM Intel Laptop Memory A-Tech 4GB DDR2 800MHz SODIMM PC2-6400 1.8V CL6 200-Pin Non-ECC …

Total answers: 1

Why low swappiness (10) leads to system crashes?

Why low swappiness (10) leads to system crashes? As I have 128 GB of RAM, I wanted to minimize swap usage by setting vm.swappiness to 10. I ran a bath (snakemake -j 1) of memory-heavy operations in Python: subtracting two arrays up to 15 GB each, then calculating norms of the difference. Surprisingly my system …

Total answers: 1

Why are new writes to files not surviving a power loss

Why are new writes to files not surviving a power loss I have a similar type of issue to: Raspberry Pi: Filesystem writes files, but after reboot the old data is back but not quite the same. I am using Armbian_23.02.2_Orangepizero_jammy_current_5.15.93 running on an OrangePi with an SD card for storage. I built a race …

Total answers: 3

Exploiting the potential of RAM in a computer with a large amount of it

Exploiting the potential of RAM in a computer with a large amount of it I have a machine with 64 GB of RAM and I would like to be able to take full advantage of it in Ubuntu. Is there any application or way to achieve this? I mean something that leaves loaded in RAM …

Total answers: 2

Some apps crash before opening on Xubuntu

Some apps crash before opening on Xubuntu For example, if I try to open a video with VLC, I can see it appear on the System monitor but it’s quickly listed with red and disappears. It could be RAM related. I have 4GB and it’s shown as 70% used. But I have a 4GB swap …

Total answers: 1

Extend Swap partition

Extend Swap partition I have a system with 125G ram available and a swap partition with 4G, which is constantly full. On a disk with 223 GiB available, I would like to increase the swap partition. Is it safe to just swapoff /dev/sda2, extend the partition table for /dev/sda2 and resize the swap file system and …

Total answers: 1

macPro1,1 – ubuntu 22.04 only sees ~2GB memory, memtest sees all 8GB

macPro1,1 – ubuntu 22.04 only sees ~2GB memory, memtest sees all 8GB Any tips on what could be wrong? The machine has 8GB of RAM memtest runs fine, tests and passes all 8GB But… top htop free -m all report 1,9GB ram as system memory BUT… lshw sees the ram sticks. lshw -short -c memory …

Total answers: 1

VLC takes up 600 MB RAM. Why?

VLC takes up 600 MB RAM. Why? I have 2 instances of vlc running. One is playing. One is paused (and mostly swapped out). top – 14:25:01 up 23 days, 19:19, 69 users, load average: 2.36, 2.61, 4.19 Tasks: 905 total, 3 running, 894 sleeping, 2 stopped, 6 zombie %Cpu(s): 11.9 us, 6.5 sy, 0.1 …

Total answers: 3