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2 votes

passing parameters to driver

This is a copy of the answer by afenster to Pass a string parameter with space character to a kernel module (at Stack Overflow) (which was identified by Joseph Sible as being the same question). When ...
2 votes

Understanding the “memmap” Linux parameter

Why is the physical RAM map the same for all of them? The address map is provided by the BIOS, as stated in dmesg. So there's no reason to expect it to change based on OS kernel parameter. Your ...
bangbambang's user avatar
2 votes

Setting large fs.pipe-max-size

In the kernel implementation that handles the fcntl() system call on a pipe, there's: /* * If trying to increase the pipe capacity, check that an * unprivileged user is not trying to ...
Andy Dalton's user avatar
  • 14.2k
1 vote

Oracle Linux Kernel cannot be set after OS upgrade

Update: could solve it. There was only a .x86_64 version of the kernel present, but no .img. After building that with mkinitrd, I was able to set the kernel as default and after a reboot it is active.
Jonas's user avatar
  • 31
1 vote

Core differences between different cloud kernels

Quoting "Cloud-optimized Linux kernels – what makes Ubuntu the top OS across the clouds", an Ubuntu blog post by Nikos Mavrogiannopoulos: For AWS: [...] Each kernel enables the Elastic ...
muru's user avatar
  • 73.8k
1 vote

How to Manually Upgrade an Outdated Linux 3.10.65 ARMv7l Kernel on an Industrial Computer

I'm 99.9% sure your device is not running a standard Linux kernel but instead it's something heavily patched by your OEM. ARM is a very standards averse platform and it's quite rare for the mainline ...
Artem S. Tashkinov's user avatar
1 vote

Linux kernel phantom reads

I have found "the article" that mentions phantom reads. The article mentions the tools blktrace , blkparse . I have launched dd and the tools. sudo dd if=/dev/zero of=/dev/sda bs=4M ...
Alex's user avatar
  • 608
1 vote

What is the modern way of creating devices files in /dev/?

#include <linux/module.h> #include <linux/init.h> #include <linux/fs.h> #include <linux/cdev.h> #include <linux/device.h> #include <linux/uaccess.h> #define ...
warashi nguyen's user avatar
1 vote

How do I search the linux kernel mailing list archives?

Nowadays there is also the official LKML archive: It includes a search features that isn't too shabby. For example it returns legitimate hits for the string /usr/lib/...
maxschlepzig's user avatar
  • 57.9k

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