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2
votes
2answers
433 views

How to edit grub2 to use kdump?

I was following http://fedoraproject.org/wiki/How_to_use_kdump_to_debug_kernel_crashes and in step 2 I need to add the line to grub.cfg, but grub.cfg is a shell I do not know how to edit it, most ...
4
votes
1answer
382 views

Using a custom name for root device in GRUB

I'm working on old distro ( slackware 8.1 ) using a kernel 2.4.37.9 and I have the following problem. I want to use a custom name for boot device, say for example /dev/root1, which can replace the ...
7
votes
1answer
1k views

Trouble Logging Kernel Panic for Debugging

I'm running Ubuntu 12.04 on AWS/EC2 and having a large number of hosts going belly up. I'm trying to enable kernel dumping, but when I simulate a kernel panic, there's no .crash file written anywhere ...
11
votes
4answers
36k views

Determining cause of Linux kernel panic

I'm running an Ubuntu 12.04 derivative (amd64) and I've been having really strange issues recently. Out of the blue, seemingly, X will freeze completely for a while (1-3 minutes?) and then the system ...
2
votes
0answers
1k views

How to troubleshoot kernel panic on boot

I'm trying to run Debian Linux on a Nokia IP710 firewall, but I can't get it to boot correctly: kernel panic every time. The firewall has a Pentium III 1Ghz and 512MB RAM. It has no vga, a very ...
6
votes
1answer
295 views

Untraceable stability problem of 3.6.8 kernel on ASUS P53E

Randomly, but not later than after 10 hours of work, the laptop freezes. Just freezes. Knowing that not all hardware errors are reported back to the user I tried the netconsole. Unfortunately the ...
1
vote
0answers
419 views

Editing isolinux leads to kernel panic error in Centos Live CD

I downloaded a CentOS Live CD and tried to customize features on it. The CD boots fine if I use it "as-is". If I edit "isolinux.cfg" to edit the change the title of the CD or the automatic boot time, ...
1
vote
0answers
615 views

Fedora 17 not booting

I just got GRUB to properly set the resolution, thanks to this wonderful answer. After selecting Fedora 17 and waiting a bit, this displays: [ 0.752888] [Firmware Bug]: powernow-k8: No compatible ...
2
votes
1answer
2k views

How to debug Linux kernel panic?

I am trying to debug a kernel panic. Panic message says unable to handle kernel paging request for address 40025694. At the time of panic it was executing ldreq r10, [lr, #-4] @ get SWI instruction. ...
0
votes
1answer
225 views

Occasionally kernel panics during boot since 3.3.x with Sandy Bridge

Since kernel 3.3.x there are frequent kernel panics during the boot process. It seems to be a kernel problem since I downgraded to 3.0 and the problems are gone. The kernel panics happen almost at ...
2
votes
1answer
3k views

Hotplug area too small error

I have VM running under RHEL6, which is running under HyperV. It has a lot of important soft installed, but does not have suffocating workload (~10% CPU is used). It's been really unstable recently ...
1
vote
2answers
1k views

Linux Mint 64-bit Kernel Panic on Boot

I'm trying to install 64-bit Maya on the new Macbook Pro with Retina Display using a Bootcamp partition. The trouble is that I get a kernel panic similar to the one below on live cd boot or usb boot. ...
5
votes
1answer
2k views

How can I use netconsole to help solve a kernel panic?

When I try to use a raid as root, my system panics. I want to read the kernel output right before the panic, but can't scroll up. After Googling a bit, I wanted to try netconsole. but I get no output ...
4
votes
3answers
749 views

Does the linux kernel (specifically 2.6 onwards) have any recursive function?

Given the limited fixed size of kernel stack, my guess is that although theoretically we might have a recursive function if its recursion doesn't go too deep, pragmatism would suggest to do away with ...
1
vote
1answer
3k views

Linux Mint does not shut down

Sometimes (very rarely actually) I have a problem that when I try to shut down my desktop, it will freeze with the following screen and I can only shut it down by pressing the power button for 8 ...
0
votes
1answer
555 views

init.exe: Caught segmentation fault, core dumped - what is the source of this error

On my embedded device, I have this error showing up after kernel boot: init.exe: Caught segmentation fault, core dumped But I cannot understand why is this happening? If I do battery cut( i.e. ...
8
votes
2answers
598 views

Any relatively new binary distro causes kernel panics

I'm having trouble using any relatively new binary distro on this machine. The last binary distro to work without issue was Ubuntu 8.04. I'm currently using Gentoo with the latest 3.2.1 kernel and ...
5
votes
6answers
8k views

Configure reboot on Linux kernel panic

You can put "panic=N" on the kernel command line to make the system reboot N seconds after a panic. Is there a config option to specify this (other than the default kernel command line option)?
3
votes
2answers
3k views

Kernel Panic - Can't find root filesystem / error mounting /dev/root

From here: http://fedoraproject.org/wiki/Common_kernel_problems#Can.27t_find_root_filesystem_.2F_error_mounting_.2Fdev.2Froot A lot of these bugs end up being a broken initrd due to bugs in ...
3
votes
2answers
875 views

Ubuntu 10.04 can't boot, kernel panic

I downloaded pcap source compiled it and got a lib ending in libsomething.so.1.21.1. I tried to find how to install a lib online and in my impatience did the following sudo .install-sh /lib ...
1
vote
1answer
2k views

What to do after a kernel panic on AIX?

There was a "kernel panic" - at least sort of. errpt | head IDENTIFIER TIMESTAMP T C RESOURCE_NAME DESCRIPTION A6DF45AA 1205044411 I O RMCdaemon The daemon is started. 67145A39 1205044111 ...
1
vote
1answer
1k views

Red Hat Kernel Upgrade problem

I'm using a Red Hat 4 Enterprise Linux. But, when I upgrade the kernel, an error occurred. And after, when computer is booting with new kernel (red hat enterprıse 2.6.9-100.el), I receive the ...
1
vote
1answer
70 views

What are the ways to improve system stability and prevent data loss in conditions of frequent hard reboots and/or kernel panics?

Suppose we are working in environment where you can't be sure that your computer won't just suddenly shut off. What measures can be taken to improve system's (unix) resist to such failures? And how to ...
11
votes
2answers
7k views

How to investigate cause of total hang?

My Arch machine sometimes hangs, suddenly not responding in any way to the mouse or the keyboard. The cursor is frozen. Ctrl-Alt-Backsp won't stop X11, and ctrl-alt-del does exactly nothing. The ...
2
votes
1answer
5k views

RAMDISK incomplete write error kernel panic

I am building Linux Kernel 2.6.36.4 on a Dell Laptop which has Linux Kernel 2.6.35.11 running. BTW I got the source from kernel.org. The source had few syntax errors which I fixed in the process and ...
3
votes
1answer
4k views

How to understand the kernel panic core dump output?

This is the output I get when I run one of my applications: Kernel bug detected[#1]: Cpu 0 $ 0 : 00000000 00000000 0fffff00 0fffff00 $ 4 : c6800000 850b7780 8b0043c0 00000040 $ 8 : 000004ac ...
8
votes
2answers
1k views

Kernel Panic because of RAM stick?

one of my RAM sticks causes a Kernel Panic on my Ubuntu 10.10 (something like "not syncing" with a lot of memory adresses shown on screen). It's definitely this one RAM stick and not its socket ...
2
votes
2answers
335 views

Where is 'kernel panic' used?

Is the name kernel panic being used outside of Linux-based systems?
16
votes
3answers
929 views

What is a “kernel panic”?

What does it mean when your computer has a "kernel panic"? Does it equate to the windows BsoD? Also, what methods, tips, tricks are available to the user when a kernel panic strikes?