Questions tagged [memory-leaks]
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2
votes
0answers
58 views
Is this a kernel memory leak? (Excess Active/Inactive pages v Cache)
I have a machine that leaks memory (even after an application restart) - two machines run similar applications with similar workloads, slightly different kernel revisions of 4.x
The noticeable ...
2
votes
0answers
129 views
Possible xorg memory leak
My problem in one picture :
The memory usage of xorg as a child process of sddm keeps growing with time.
Everytime I restart my computer, the problem reappears after a few dozens of minutes.
I tried ...
2
votes
1answer
84 views
What happens to memory that wasn't freed in a kernel module after unloading?
Suppose I called kmalloc and didn't free that memory before rmmod was called on the module, what happens to that memory? Is it a memory leak and it is completely unusable until restart, or does the ...
1
vote
0answers
41 views
Cache Memory Leak (or looks like one) slows down a program
I have a strange problem that looks like a Memory Cache Leak (not a memory leak) leading to a slow down of a program.
Let me set the stage first. Reproducibly (using ganglia to monitor), on a cluster ...
0
votes
1answer
691 views
Garbage collect my gnome-shell memory!
I use Gnome/Wayland (Fedora distro) almost exclusively and enjoy its features. However, gnome-shell consistently consumes more and more memory as a result of it not releasing unused memory. ...
0
votes
1answer
149 views
Linux is consuming lot more menory than RSS output
Below are the output of free -g and ps -aux. free indicates 35G of RAM being used, but I don't see how the ps output might be showing me what processes exactly are consuming the most memory.
...
1
vote
2answers
354 views
Why the kernel doesn't stop processes starving the resources?
I'm running a linux box(ubuntu) and every few months it freezes and I'm left with no choice(SysRq-F and other keyboard shortcuts are not working) but to reboot it losing all the data.
I'm wondering ...
11
votes
1answer
2k views
How to mitigate Spectre and Meltdown kernel memory leaking CPU bug on OpenBSD?
Kernel-memory-leaking Intel processor design flaw forces Linux, Windows redesign
and
Reading privileged memory with a side-channel
In recent news people could read about a kernel memory leaking CPU ...
3
votes
1answer
644 views
How to fix mbuf exhaustion under FreeBSD 10?
A FreeBSD server which was recently upgraded from FreeBSD 10.3-STABLE to FreeBSD 10.3-RELEASE-p21 is exhibiting mbuf exhaustion. Under the course of normal operation, we see mbuf usage steadily ...
3
votes
1answer
754 views
How can the OOM killer kill ulimit(ed) process?
I'm playing with MongoDB clusters. After few OOM killers, I decided to ulimit mongoDB with memory to 4G of RAM.
After few hours, it was killed again with OOM.
So my question is not about MongoDB, it's ...
2
votes
1answer
5k views
How to troubleshoot what eats memory?
I'm trying to figure out why memory consumption started to constantly increase on my server during the last hours. I've tried to find the cause on the application level, but no success. That is why ...
2
votes
3answers
4k views
kernel eats memory, but never release
I know, this is the 1000th question about the same topic. I've spent days reading so many threads, but I still could not find an answer to my weird situation.
When I did have 16GB of RAM on my ...
3
votes
1answer
2k views
Why does evolution-calendar-factory uses so much virtual memory?
In Debian Jessie 64-bit with Gnome 3.14.1, System Monitor shows evolution-calendar-factory process is using 1.1 GiB, and evolution-alarm-notify is using 826.6 MiB of virtual memory. I don't use no ...
1
vote
0answers
342 views
ksmserver takes a lot of memory
For some reason ksmserver started to take huge amount of memory (1.6 Gb at the moment). The longer the uptime the more it takes. Seems like a memory leakage for me. Unfortunately, I didn't notice the ...
1
vote
0answers
57 views
Possible memory leak when writing files to SD with FAT fs
I have a HI3516A SoC based IP camera with SD card slot. The operation system on camera is custom 3.4.45 Linux kernel. Everything works well, but I need to have a copy of video from camera on my remote ...
4
votes
1answer
952 views
Tracking down Linux memory usage when not showing up in cache
Before you get your pitchforks out, I am having trouble tracking down on where the memory is going into the caching system in Linux. I have seen Linux ate my RAM!, and How to see top processes by ...
1
vote
1answer
67 views
Word frequency gawk memory leak
I have the following bash script:
#!/usr/bin/env bash
grep -e '^[a-zA-Z]\{4,8\}$' data/words3.txt | tr '[:upper:]' '[:lower:]' | sort -u > data/passphrase-words.txt
function wordfrequency() {
...
2
votes
2answers
1k views
Unlinking files in /dev/shm not freeing memory?
I get the feeling I'm going insane, or tmpfs is very broken for long term use.
I have a workload that very rapidly creates and unlinks files in /dev/shm/[some directory tree]. Linux Slab usage (in ...
0
votes
1answer
784 views
linux server memory leakage, it grows inactive memory, how to find the process in inactive memory and to kill?
I have a problem with my Linux cent OS server, leakage of memory grows inactive memory, so how to find the process consists with huge memory in inactive memory to kill
1
vote
1answer
217 views
Embedded Linux OOM - help with lost RAM
I have little Linux system with 256MB RAM. I'm little bit confused, where the RAM may be lost? It is running old linux kernel 2.6.38 and I'm not able to ubgrade it (some specific ARM board).
SHM and ...
3
votes
0answers
642 views
Possible slab memory leak related to bio and btrfs?
I'm currently running a rebuild on a btrfs NAS (~20TB) that had a drive failure. It's going to take a few days. My problem is about once every 24 hours the RAM filled up and the kernel starts killing ...
3
votes
2answers
407 views
Why does bash 4.3 keep allocating memory in a script
Why does this shell script gradually consume more memory in bash? I’m not using any local variables. Although the value of cpid is changing at every iteration because ls exits immediately, it should ...
0
votes
1answer
141 views
Where is all my RAM going
On our RHEVM server, when i run free -m command it tells that 23117MB "Used -(Buffers+cache)" of RAM is in use, And Free "Free+(Buffers+cache)" is 9120MB
Total usable RAM is 30759MB
Actual used ...
0
votes
1answer
769 views
How do I check Memory leakage in solaris server? [closed]
I need to check memory leakage on my Solaris server.
1
vote
0answers
653 views
Extremely high shmem usage
I'm trying to debug the issue that's periodically taking down my work machine. It's an OOM-type problem, and based on this /proc/meminfo output:
Total: 32902608 kB
MemFree: 4054100 kB
...
0
votes
0answers
369 views
Rudimentary memory leak check
I plan to use something like
ps -A --sort -rss -o comm,rss,sz,vsz
to detect memory leaks.
I plan to run the command before and after test cases in an embedded system, and my hope it that the system ...
3
votes
1answer
3k views
rsyslogd eating up 20+ GB (!) of RAM - what evidence to gather?
I have a Ubuntu 14.04.3 box running kernel 3.13.0-74 with 32GB RAM, which features a rsyslogd process gone mad:
$ ps -auxww | grep rsyslog
syslog 16212 0.7 64.0 27966168 21070336 ? Ssl Jan04 ...
1
vote
0answers
497 views
Memory Leak trackdown
I have a server running Red Hat Enterprise Linux Server release 6.7. The server runs a number of java processes including a tomcat server with nginx webserver. The server has 12 GB of ram allocated ...
3
votes
1answer
508 views
awk causing memory leak?
I am using awk to process a huge data file (about 100 million lines).
This is my expression-
tac <myfile> | awk -F',' 'OFS=\",\" {if(/^#/){print;}else{\$1=tolower(\$1);if(!seen[\$1]++)print;}}'...
2
votes
0answers
2k views
Xorg consuming 1.1GB, is it a leak?
I am facing a problem wherein Xorg starts to consume more and more memory
and finally eats up the whole swap space. As shown below, Xorg's virtual
memory is about 1.1GB. My system runs only one GTK ...
3
votes
2answers
1k views
leaking memory with shell script and tty [closed]
I'm running a shell script on a raspberry pi to communicate with a arduino.
Every hour my ram gets used up by about 50 megabytes more.
The script itself just connects to ttyACM0 (the arduino's usb ...
6
votes
1answer
1k views
xorg memory leak
I've read this question but it doesn't seem to be the same issue, as the memory leak there is an order of magnitude smaller than mine and seems to be caused by Nvidia drivers.. Here's my top output at ...
1
vote
1answer
2k views
Java/malloc memory corruption error when running SDK Android Manager [closed]
I want to install Android SDK, so I manually installed Java JDK 7u51, downloaded SDK ADT bundle for Linux x64, and tried to run it. When I run android, the SDK manager windows hangs halfway through ...
2
votes
1answer
553 views
How to know what is trashing my Linux mint system?
My linux system is trashing occassionally. I have 4 GB of ram which is good even for Windows 8. All in all I have good specs. But occasionally the HDD light in the CPU is on for a long time and at the ...
3
votes
0answers
436 views
Is there some memory leak in Mint 16? Or else what is this?
So this has happened to me 3 times now: I have left my computer on over night and when I come back in the morning all of my ram is being used and about a third to a half of my swap space is full.
...
2
votes
2answers
712 views
Why is scdaemon ballooning out of control?
My system keeps getting wedged because an scdaemon process has been spawned that has grown to consume all free memory on the computer. (I do not use, and have never used, smart cards in the vicinity ...
7
votes
2answers
4k views
What is “kernel dynamic memory” as reported by smem?
While diagnosing low memory problems in my desktop machine (details at U&L) I've noticed that my noncache "kernel dynamic memory" is big:
# smem -twk
Area Used ...
4
votes
3answers
2k views
Discrepancy between reported used memory and sum of application memory usage
I'm running a desktop system that quite regularly suffers from lack of memory, this prompted me to investigate what causes the issue in the first place.
Problem is, there's no single process that ...
9
votes
1answer
7k views
Tracking down “missing” memory usage in linux
On an Arch 3.6.7 x86_64 kernel I am trying to account for the memory usage of the system, which the more I look at it, the more there appears to be a hole (in the accounting of used memory, a non-hole ...
17
votes
5answers
31k views
How can I find a memory leak of a running process?
Is there a way, I can find the memory leak of a running process? I can use Valgrind for finding memory leaks before the start of a process. I can use GDB to attach it to a running process. How could I ...
2
votes
2answers
2k views
Xvfb does not release memory
We want to create screenshots of websites for our software, and we are doing this by using CutyCapt with Xvfb.
Unfortunatly every time CutyCapt takes a screenshot, the memory of Xvfb increases .. ...
2
votes
1answer
1k views
How can I monitor the load of a php script on a server?
We've got a website on our dedicated server which seems to be causing problems.
Recently it has been crashing our dedicated server - it's very annoying. It will crash at random times. The tech ...
11
votes
4answers
5k views
xorg memory leaks
On my desktop Xorg leaks a lot of memory. I use to let this machine on for days (weeks, months ...), but about once a week I'm forced to restart xorg, because it is taking too much memory.
Am I the ...
9
votes
5answers
5k views
How to track/fix a memory-related issue in a large C/C++ code on *nix systems
What strategy you use while tracking a memory-related issue? What tools do you use (open source as well as proprietary) to identify memory leaks, memory corruption etc? How would you track memory ...
