2
votes
1answer
218 views

Realtek RTS5209 PCI-E Card Reader only work if card is inserted before boot

Hardware Info Laptop Model: Sony Vaio Pro 13 Problematic Hardware: Bulti-in Realtek Semiconductor Co., Ltd. RTS5209 PCI Express Card Reader Problem description Here is the problem, if I boot with ...
2
votes
3answers
209 views

how is page size determined in virtual address space?

Linux uses a virtual memory system where all of the addresses are virtual addresses and not physical addresses. These virtual addresses are converted into physical addresses by the processor. To ...
0
votes
1answer
196 views

Why there are so many problems with the overheating and fan speed when installing Linux? [closed]

I don't understand it. Almost every 10th or 20th question is about fan or overheating or that the fan is too loud and the speed too big etc. And these questions are not only about laptops but often ...
4
votes
1answer
165 views

How are drivers for peripheral hardware installed in Linux?

I have acquired a new wireless keyboard, and I've tested it out on both a Windows and a Linux box. It worked on both, but with an initial difference - Windows took a minute or two, to look up the ...
4
votes
3answers
427 views

How to list all hardware supported by kernel

I want to see all hardware supported by the kernel in use. For example, if I have the 3.8.x.x version of the Linux kernel, how will I know what hardware is supported there. Tools like lspci, lshw, ...
2
votes
0answers
529 views

Kernel does not detect Hardware / Software or Hardware fault

I've got more of a basic question for you: My linux kernel (I tried several here from stock 2.6, 3.2 and 3.5 as well as a custom 3.7.3 one) does not detect my synaptics touchpad - or I'am too dumb ...
2
votes
1answer
976 views

What does “DMA: Out of SW-IOMMU space” error mean?

First the link: https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1060268 Since this affects the kernel and other Distros, what does this type of error mean and why it happens?
1
vote
1answer
137 views

Choose kernel for specific hardware

I have old system with an AMD Athlon 1,2 GHz processor and [SiS] 65x/M650/740 graphics (output from lspci). Recently I discovered on a german ubuntu page that since version 10.10 some older ...
14
votes
3answers
7k views

How can I reserve a block of memory from the Linux kernel?

I have a device that needs a block of memory that is reserved solely for it, without the OS intervening. Is there any way to tell BIOS or the OS that a block of memory is reserved, and it must not ...
3
votes
2answers
847 views

How much RAM can an application allocate on 64-bit x86 Linux systems?

Is it true that a single application can not allocate more than 2 GiBs even if the system has GiBs more free memory when using a 32-bit x86 PAE Linux kernel? Is this limit loosened by 64-bit x86 Linux ...
6
votes
2answers
648 views

Information about a laptop fan

Can you help me with finding all the hardware information (parameters) and configuration files about the fan in my laptop? I'm interested of the fan's parameters and configuration files that I can ...
2
votes
2answers
882 views

no network device found after Kernel update

So I managed to install Debian 5 on an eBox 3300MX (an embedded type computer). I added a custom kernel after getting a basic install done. That was to get the network card to work. After that, I ...
6
votes
1answer
382 views

Linux kernel 2.6 on ARM

I have compiled and installed the 2.6 kernel on an ARM board. I am using the ARM mini2440 board. I would like to know if there is already a way to access the General Purpose I/O port pins? Or will ...