kexec (kernel execute), analogous to the Unix/Linux kernel call exec, is a mechanism of the Linux kernel that allows booting of a new kernel from the currently running one.
Questions tagged [kexec]
4 questions
3
votes
0 answers
Keyboard and mouse don't work after kexec
While installing Fedora on my MacBook Pro Mid 2012 I've occasionally used kexec command to "boot" from live environment to the installed system.
# yum install kexec-tools.x86_64
# mount LABEL=/boot /mnt
# kexec --append 'root=UUID=... rw' \
…
firegurafiku
- 173
2
votes
1 answer
How to get Grub 2.0 to see usb device on (USB 3) expresscard
Im runing ubuntu off of a usb flash drive.
My laptop does not support booting from my expresscard (nor has any usb3 ports other than what i have added via my expresscard).
I'm using Grub 2.0x that Ubuntu 14.04 has installed onto my USB device which…
thistleknot
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- 1
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1
vote
2 answers
How to use kexec in Fedora to automatically use the newest installed kernel?
How to use kexec in Fedora Linux to fast-reboot automatically to the newest installed kernel?
kexec --load command line usage is rather verbose — you have to provide:
kernel image, like /boot/vmlinuz-3.18.8-201.fc21.x86_64,
corresponding initrd…
Tometzky
- 486
0
votes
1 answer
No program header covering vaddr 0xFFFF.... found kexec bug?
I am trying to make use of kexec / kdump stuffs to debug kernel crashes.
I am able to load the crash kernel successfully and I am able to dump the vmcore from crash kernel.
Process /proc/vmcore ...
0 -r-------- 1 root root 3.8G…
Vikas
- 1