The main component of most operating systems, the kernel manages most of a computer's communication between hardware and software. Typically, the kernel is the lowest level of abstraction a programmer can have to a resource.

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Error compiling the linux kernel 3.8.0

I am trying to compile the Linux kernel on my virtual machine which is installed Lubuntu, and I am getting the following error: In file included from ubuntu/aufs/aufs.h:45:0, from ...
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24 views

How to compile Linux Kernel 3.x? [on hold]

Can anyone explain how to compile Linux Kernel 3.x? I've only compiled Linux Kernels 2.x and the usual procedure was: make menuconfig make dep make bzImage make modules make modules_install make ...
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1answer
18 views

Enable KMS after logging in

Is there some way to enable KMS after booting. My linux box is set up to log into a console, with X having to be started manually if required. I do not want to enable KMS on booting, as it causes ...
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36 views

How does “explorer.exe” work and control the GUI?

All info states that this is the main shell of Windows 3.x versions and up of Windows OSes. My question is, how does this program have access to the entire GUI and screen/framebuffer data to draw and ...
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1answer
15 views

Which criteria is used by the linux kernel to pick udp source ports?

They are all of course greater than 1024, but can we narrow this range a bit more? Via wireshark the lowest I've seen is 30XXX. Does the kernel specify it's criteria somewhere?
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22 views

CentOS yum — pre-existing rpmdb issues

I'm trying to install git on a developer box and I get the following: You could try using --skip-broken to work around the problem ** Found 3 pre-existing rpmdb problem(s), 'yum check' output ...
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2answers
63 views

installing linux without any packages

I am programming a OS based on Linux but I want to "re-invent the wheel" in this OS just as an achievement. I have been told that Linux can be installed on a PC without any packages (obviously causing ...
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22 views

Linux - Encrypt folder (no kernel modules allowed)

I'm trying to encrypt a folder on the fly on Debian Wheezy or create an encrypted container. The problem is: My VPS provider doesn't allow kernel modules. So far I tried EncFS, eCryptFS, dm-crypt and ...
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1answer
29 views

Running native applications on the Linux Kernel

When the Linux kernel has loaded it loads the distro or OS to take over, how can I make the kernel load some native application (written in c) instead? I don't need a GUI or anything, Instead I want ...
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98 views

kernel source error on dahdi installation in centos

Trying to install dahdi from the link. I have downloaded package for dahdi. But on doing cd /usr/src/dahdi-linux-complete* make && make install && make config My terminal shows ...
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1answer
183 views

IPTables module ip_tables not found for root

We got a custom build Linux distribution from a vendor, which is not shipped with iptables enabled. root@xxxx:~# iptables -L modprobe: FATAL: Module ip_tables not found. iptables v1.4.21: can't ...
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18 views

Computer froze with black screen when viewing (not editing) video card's memory in Cheat Engine

I was looking at my computer's physical memory in Cheat Engine (a memory editor/debugger application) and I decided to look at the addresses that Device Manager says are used by my video card. When I ...
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84 views

Ubuntu 14.04 hangs at “[2.688088] Switched to clocksource tsc” (Intel Pentium 4)

I installed Ubuntu Server 14.04 on a Pentium 4 machine but booting the System hangs at: [2.688088] Switched to clocksource tsc I've tried all the Grub kernel bootoptions listed in this post: Linux ...
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0answers
22 views

kernel compilation fails at elf binary file on Mac 10.9

I am trying to compile rock chip kernel using "make -j4 kernel.img" and I get the following errors. SYSMAP System.map SYSMAP .tmp_System.map OBJCOPY arch/arm/boot/Image Kernel: ...
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14 views

Y-E DATA FlashBuster-U is not working with Ubuntu kernel

I'm using the latest Ubuntu kernel. And I can't use it at all I just get these buffer IO errors - usb 3-3: new full-speed USB device number 3 using ohci-pci usb 3-3: New USB device found, ...
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1answer
42 views

Upgrading Linux kernel module without reboot

Is there any way to upgrade linux driver module without rebooting the system ?
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1answer
93 views

Kernel-power error, automatic reset the computer

I have a problem sometimes when i run full screen application, sometimes the machines goes automatically to reboot with no warning, I was looking in the event viewer and seems to be a kernel-power ...
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1answer
39 views

How add mppe to Debian kernel 3.2.54-2 x86_64

I use debian. 3.2.0-4-amd64 # 1 SMP Debian 3.2.54-2 x86_64 GNU / Linux. I'm trying to setup pptpd, but I'm having trouble adding support "mppe". I' m searching "kernel-patch-mppe" on the debian site ...
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How to keep Linux kernel responsive while having high memory usage?

Sometimes I have a lot of programs running and despite of 16GB 8GB of memory my ubuntu linux 14.04 LTS turns out to be not responsive at all. I won't be able to get a TTY to kill some processes to ...
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1answer
15 views

ioctl to partition - disk error?

I see the following lines flooded in my /var/log/messages file. mdadm: sending ioctl 1261 to a partition The following lines were also seen but now I've fixed this issue, could this be related to ...
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31 views

What is the relationship between /3GB boot flag, PAE kernel, LargeAddressAware PE flag and 36Bit Memory addressing in Windows 32bit?

After I read that Windows 2003 Enterprise 32bit support more than 4GB, I realize that the rest editions are being crippled even when using PAE kernel (ntkrnlpa.exe / ntkrpamp.exe). So could someone ...
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1answer
22 views

How To Determine Device Data Transfer Amount

Is there a way to determine the amount of data transfered to/from a device. I'm not asking about the block or sector size. I want to know the amount transferred by a read/write operation. For ...
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22 views

Possible kernel bug?

I found this in my dmesg: [10877.030980] ------------[ cut here ]------------ [10877.030987] kernel BUG at /build/linux-baBndT/linux-3.2.60/mm/mmap.c:2275! [10877.030993] invalid opcode: 0000 [#1] ...
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linux-headers and images in ubuntu after installing vmware-tools

a noob question. Can I run dist-upgrade for linux-headers and images in ubuntu after installing vmware-tools? I ask this because i think vmware-tools also install something like a header and image ...
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loading second vm in first one w/out rebooting by use of kexec

I've two CentOS virtual machines on my win8 host's vmware. I added one of the virtual machines to another by 'add hdd' of settings of VM. The versions of Centos is 6.4 i686. I installed kexec-tool on ...
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Can I install a higher version kernel template in VM/LXC Containers

I am reading up on LXC and related Docker . I have a few basic doubts . Is it possible to install a higher kernel version into a VM Does the same apply to LXC's ? I know I need to know what are ...
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1answer
183 views

Error while compiling linux kernel

Hi I'm trying to compile a kernel on Centos 7. I've installed kernel-devel package, but it's failing as follows: [root@centos7 3.10.0-123.6.3.el7.x86_64]# LANG=C make V=1 make -f ...
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1answer
321 views

Which is the best kernel version to upgrade in Debian Wheezy?

I have Debian Wheezy kernel version 3.2.0-3-amd64 (stable). I want to upgrade my kernel version. Here there are many descriptions and source package of kernel. I red that Torvalds has been announced ...
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79 views

Thinkpad Yoga “Disk I/O Error” (Linux)

My machine is sporadically remounting the SDD readonly due to a "Disk I/O Error". This seems only to happen when I connect to the laptop to a power source or after resuming from suspend. The SSD ...
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0answers
103 views

How to stop jbd2 to release a device

In an AWS EC2 instance, we have multiple EBS volumes. When I try to detach any of them, the umount command works, but the device can't be detached. # grep -c xvdj /proc/mounts 0 However, lsof ...
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34 views

What actually happens when computer hangs [closed]

When we come to a point where computer hangs, what does actually happen inside of Windows's or Linux's kernel? Could a user space application be the cause that a whole os i frozen or could it just ...
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33 views

How to apply a kernel patch from lkml?

How do I patch the kernel from a patch from lkml? Specifically this link : https://lkml.org/lkml/2014/5/9/517 I am running debian. I know how to roll a deb package, but I can't figure out how to do ...
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38 views

remotely boot into different kernel version

I have a remote machine with Ubuntu 12.04 and the following kernel versions installed: :/lib/modules# ls 2.6.39.4 3.0.0-21-generic 3.2.0-25-generic 3.2.0-25-generic-pae 3.2.0-27-generic ...
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Is ramdisk_size still needed with a .cpio initrd?

I'm creating a rescue system with the following two files: rescue.linux (version 3.2) initrd.cpio The initrd.cpio file can be quite large, larger than the default 4MB of a ramdisk. However, it ...
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21 views

kernel configuration: select specific drivers or symbols regardless of dependencies?

Is there a way in "make menuconfig" et al. to start with enabling device drivers that you want included, and have it enable the necessary (dependent) generic options and APIs automatically? As it is, ...
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144 views

Stuck on GRUB command prompt after regular kernel update

I am running Debian Wheezy. Update Manager suggest to install kernel update. After update, I reboot system but instead of listing all the kernels (bootloader), it gave me a GRUB command prompt: ...
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1answer
124 views

Debian boot hangs

I created a Debian USB stick image from the experimental repo with the latest kernel 3.15 RC8, used Syslinux. I wrote the image on a USB stick and I booted from it on two different computers. On the ...
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1answer
116 views

What is the difference between “make modules” and “make modules_install”

I'm currently looking up compiling a custom kernel and I find various guides that first say make modules and then make modules_install in the step when you compile and install the modules while other ...
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1answer
107 views

How to check Intel iGPU frequency on Linux?

I own Intel Haswell G3420. At stock its iGPU has 1,15 GHz turbo frequency. In my UEFI I overclocked the iGPU to 1,5 GHz and added voltage. However the framerates in both benchmarks and games are the ...
2
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1answer
1k views

why does my Mac keep crashing?

(I will have to do this fast, since I think my mac will crash again.) My Mac keeps crashing. It started happening since I installed Adobe Acrobat Pro (since then I have removed it), but it might be ...
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1answer
138 views

Linux Kernel Driver for video capture

I have this EasyCap video capture thing with a USBTV007 chip and I really would like to get it working on my little linux mint 17 laptop so that I can capture video for my RC stuff. But I do not know ...
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2answers
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How to install usbnet driver on kernel 2.4.23-2.5-ts/

I searched in the directory "/usr/lib/modules/2.4.23-2.5-ts/kernel/drivers/net/usb/" for the usbnet but i didn't find it so how can i install the usbnet driver,i don't know where to start or how to ...
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33 views

Fedora: Get a list of installed kernels by Date

I want to get a list of installed kernels in decreasing order on the date which they were installed. Any idea on how to do this? I am on Fedora 20
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62 views

make-kpkg: how to get the correct links in /lib/modules/$version/{source,build}

I'm using make-kpkg to build custom kernel packages (linux-image-.deb and linux-headers-.deb) that I then deploy to my other Linux rigs. The linux-image package created that way creates source and ...
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55 views

why does NOT the ubuntu 13.10 have the version.h?

/usr/src/linux-header-3.11.0.12 /usr/src/linux-header-3.11.0.12-generic Neither has the version.h file in the /include/linux/. Why? That hinders the softwares installation.
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Updating kernel on a Chromebook to prep for Chrubuntu

Pretty simple question: I have read that by setting my Chromebook to the dev channel, it will install a later kernel. Currently it's 3.4.0, and it'd install 3.8.0 (64-bit, no less). However, after ...
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1answer
752 views

Updating Chrubuntu 14.04 kernel on Acer C7 (currently 3.4.0)

There was another, similar question on this here, but it's for old ubuntu versions, and the script no longer works. While installing, the script works fine until: + vbutil_kernel --verify /dev/sda6 ...
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72 views

Testing Linux Kernel in QEMU gives black screen after brief text

I'm trying to run a linux kernel (version 3.14) I custom built using make menuconfig. I am trying to test it in QEMU and this is the command I am trying to run: qemu-system-x86_64 -kernel ...
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2answers
64 views

Why I can't upgrade my kernel?

I have perform the following command into ssh shell: sudo apt-get upgrade sudo apt-get update sudo reboot But I still have an old kernel version, infact: pi@raspberrypi ~ $ uname -a Linux ...
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334 views

how to install 'version.h' in ubuntu ?

Just now , I try to install the Jungo WinDriver in the Ubuntu 13.10 . But I am puzzled by the its manual of how to Install version.h : Install version.h: The file version.h is created when you ...