3
votes
1answer
39 views

Easy way initrd to chain loading another kernel with kexec

I have here a machine which won't boot 64-bit kernels (it has efi32 with a little bit of... uncommon firmware). Currently, my only way to boot my 64-bit linux system is: Booting a 32-bit distro ...
2
votes
1answer
58 views

Booting Linux minimally

I am trying to boot just linux itself. It's mostly for the learning experience. I got a small HDD with only one ext4 partition looking like this: /bin/bash /dev/console /boot/vmlinuz ...
3
votes
0answers
160 views

When do I need to specify add_efi_memmap as kernel argument in UEFI/EFI boot?

I am reading some tutorials how to EFI stub (efistub) load the Linux kernel. These instructions often use kernel boot parameter add_efi_memmap. The intended hardware is Intel x64 having 8GB of RAM. My ...
0
votes
0answers
23 views

booting freezes after used scheduler greatest stack depth error

I have built the linux kernel 3.14 with debug info. When I tried to boot it gives following error and after that booting freezes. Can somebody tell me how to fix this ? Linux Version : Slitaz in ...
0
votes
1answer
145 views

How to Connect Internet in Zedboard using Linux via SDCard

I am working on Zedboard Zynq 7020. I have booted the Linux via SD card through Zedboard. The linux display can be shown onto the monitor via VGA cable. But I cannot connect that linux to internet. ...
1
vote
1answer
168 views

How to configure bootloader to boot the new kernel?

I succesfully upgraded linux kernel from 2.6.32.61 to 3.0.7 on BeableBoard-xM, following the steps below: download and untar kernel sources 3.0.7 from kernel.org copy kernel sources on /usr/src ...
1
vote
1answer
1k views

Try to disable console output, console=null doesn't work

as mentioned above, I want to to completely turn off the console output, but putting console= or console=null in the kernel command line doesn't change a thing. When I enque quiet to the kernel ...
2
votes
0answers
65 views

Why does the kernel boot faster with less memory allocated?

This is not a important question, I'm just curious. Something strange happened, which isn't quiet clear to me: In the kernel command line, the amount of the memory can be set statically with the ...
0
votes
1answer
140 views

Having difficulties mounting a rootfs for an embedded Linux

I want my Kernel to start a squashfs rootfs for an embedded Linux. The squashfs file is on a sdcard, therefor i put these parameters on it's command line: console=ttyS0,115200 root=/dev/sdb1 rw ...
3
votes
0answers
110 views

LVM RAID 1 for root [closed]

I have LVM RAID 1 (not mdadm RAID 1, but exactly LVM2 RAID 1) for my root partition. I would like to make my system boot without either of the HDDs where the underlying PVs of the root LVM partition ...
2
votes
1answer
197 views

No usable clock interface found

I just finished installing a paravirtualized archlinux guest on xen. I get the following error when my guest boots: [1.185226] i8042: No controller found [1.1247134] drivers/rtc/hctosys.c: ...
6
votes
2answers
181 views

Location of the kernel binary (when not in /boot)?

I failed to find the kernel binary in the standard location in /boot. I've also searched the whole file system for vmlinux or bzimage find / -iname vmlin* find / -iname bzimage However, this is an ...
1
vote
0answers
228 views

Computer wont boot with any media after installing wine on Ubuntu 13.10

Yup. I can boot into anything (meaning the os part), like a cd/dvd, a live usb, or the os on the HDD. i can boot into the first screen, which i think is called the grub selection screen and whatever ...
2
votes
1answer
350 views

Unable to boot using self built kernel

I built kernel 3.11.3 following the instructions here. There were no issues in the build. The steps I followed automatically made entries in grub and copied the image to /boot too. At boot time, when ...
0
votes
1answer
60 views

What part of the Linux kernel determines the execution order of userland apps? [closed]

Stripping the source, I can't pinpoint which part of the kernel sets and manages the userland apps, and how it does it. For example, in the Linux main source, is the procedure have options to set ...
3
votes
1answer
378 views

Real mode and loading linux kernel confusing

As far as I know, protected mode will be activated in kernel and in grub stages it still real mode. My misunderstanding is: In real mode, total memory available for use is less than 1MB but how grub ...
2
votes
2answers
1k views

GRUB2 and kernel vga= parameter

According to the documentation, use of the vga= kernel parameter is deprecated as of GRUB2. The fact that some newer kernels don't seem to support it anymore on certain adapters is of no concern as ...
2
votes
0answers
692 views

Unable to install the selected kernel

I have problem with my DVD drive. It's corrupted and when I'm trying to install Ubuntu it stucks (even with the miniISO) I was able to successfully start the OS from system rescue CD. I'd like to ...
1
vote
0answers
117 views

Creating a Virtual filesystem to boot linux

I am trying to boot the linux kernel (bzImage) in QEMU but have had issues. After asking on U&L I found out that my problem was that I was booting the kernel without a filesystem to boot from. So ...
0
votes
1answer
65 views

What mode of memory at the time linux kernel was loaded?

Can anyone tell me what the memory mode is at the time linux kernel is loaded (by bootloader)? As this link says, the memory mode is real mode then the linux kernel will ask user to choose video mode ...
2
votes
2answers
830 views

Automatically include N latest kernel versions in GRUB / GRUB2 menu on kernel upgrade

What I like about Ubuntu is that the GRUB menu always allows me to pick the latest (default) or second-latest (etc.) kernel version at boot time. In Arch Linux, I can't do that by default. The only ...
6
votes
1answer
2k views

Load Linux bzImage in QEMU?

I compiled a Linux by doing make menuconfig then make and now I have compiled the most recent version of Linux. How can I load the kernel into QEMU?
3
votes
1answer
119 views

LILO vga option

In LILO config file (/etc/lilo.conf) what's the difference between specifying vga option in Global section and when specifying it in per-image section.
6
votes
4answers
1k views

Difference between bootable and non-bootable partitions

What is the difference between a bootable and non-bootable partition? I know that a user cannot boot a system from a partition marked non-bootable and can from one marked bootable. I want to know ...
1
vote
2answers
232 views

Why does boot fail with my custom kernel at the mknod step?

I want to build a custom kernel under Ubuntu. I configured and built the new kernel. The new kernel hasn't initrd and comes from vanilla source. I build this new monolithic kernel only with drivers it ...
1
vote
0answers
549 views

How do I create more /dev/tty entries and /dev/ptmx on boot up?

After building kernel 3.2.13 and installing via RPM on my system, I have this problem: There is no /dev/ptmx which the rest of my system is expecting. There is actually a /dev/tty/ptmx device ...