1
vote
0answers
494 views

Perf samples too long, lowering kernel.perf_event_max_sample rate to

My machine freezes from time to time and I can get it working back by pressing the space key. I have this problem since two weeks now, but it was just once per day max. Now it's starting to be many ...
0
votes
0answers
53 views

Mount Error (mount: page allocation failure. order:5, mode:0x40d0)

I am trying to mount mtd block on temporary file system(part of RAM). Some times mount command fails and below error comes in dmesg logs. Command: mount -t jffs2 /dev/mtdblock7 /temp/configuration/ ...
0
votes
0answers
114 views

System frequently hangs/freezes with all processes in D state

When I am browsing the web with chromium (with lots of tabs/images/etc.) or running virtual machines with kvm, occasionally (at least a few times a day) my system will suddenly become unresponsive for ...
8
votes
1answer
229 views

Which files are cached by linux?

I understand that linux uses unused RAM to keep some files cached. But I wonder, which files it actually caches! If you take a look at free : Gesamt Belegt Frei Gemeinsam Puffer Cached Speicher: ...
2
votes
1answer
57 views

Turn on out of memory killer

I am running ubuntu 13.04 and currently if any user accidently writes some code that uses too much RAM it brings the whole system down so badly I have to switch the power off and on again. Is there ...
1
vote
2answers
79 views

Will applications running in root mode be able to overwrite OS's or other program's memory section?

I read here that any application running in root mode can issue a kernel call and execute in kernel mode. Is is possible that ANY application running in root mode can make a kernel call, go to kernel ...
0
votes
1answer
545 views

Configuring DRAM size when compiling an ARM (linux-sunxi) kernel for an allwinner a10 tablet

I've got a goclever a103 tablet (http://goclever.com/goclever_tab_a103) and I want to install linux on it to boot it from an SD card. First thing I found online were SD card images for a very similar ...
2
votes
1answer
272 views

How to blacklist a particular bad RAM area in Windows? [duplicate]

I have found a RAM error with MemTest86+ (the version included with Ubuntu 13.04), it says: Failing address: 002f796c48 - 759.5 MB I have no money to buy new RAM now and the error seems to be ...
2
votes
1answer
994 views

Extreme Kernel Paged Pool Memory Use (Win 7 64-bit)

I'm currently running Win 7 Pro 64-bit on a file server system with 12 hard drives. The drives are connected through 2x IBM M1015 controller cards (flashed to LSI 9211-8i IT mode firmware). I'm ...
0
votes
0answers
88 views

show windows kernel memory

Is there a command-line tool that shows the Kernel Memory (and will let me redirect the output)? (Win2K and XP, at least) The task manager shows it on the main page (Total, Paged and Nonpaged), but ...
1
vote
0answers
30 views

Restricting memory area for linux kernel [duplicate]

Possible Duplicate: Restricting memory area for linux kernel I am running ltib linux on P1022RDK (P1022 Core) platform. I have 512 MB = 0x20000000 memory. I want my linux kernel to use ...
4
votes
2answers
14k views

What is Kernel Memory? What function does it serve?

While looking at my Task Manager on Windows, I noticed a little thing marked "Kernel Memory." What exactly is this? And what function does it serve compared to the Physical Memory?
1
vote
2answers
82 views

How can code/software access locations in memory that it's not supposed to?

By default, when applications run, they are limited in the amount of RAM they are allowed to access right? Technically my VLC could not access memory addresses used by Chrome. But how is it possible ...
0
votes
1answer
306 views

How to downgrade server kernel to desktop kernel?

Currently I am looking at this way to solve my problem that uses more than 3GB RAM on 32-bit Ubuntu. For various reasons, I am trying to downgrade server kernel to desktop kernel. Can anyone give me ...
1
vote
3answers
998 views

64-bit linux kernel only seeing 3 of 4GB after upgrade

Hey everyone. I am running Ubuntu 9.04 64-bit on my macbook. I had 2GB of ram before, and everything ran great. I just upgraded to 2x2GB (4GB), but my system only sees 3GB of it. OS X, which I am ...