Unix and Linux Stack Exchange
Unix and Linux Stack Exchange

Questions tagged [kernel-panic]

A condition of the the operating system when its state is so broken that imminent shutdown is preferred. This may be caused by hardware failure but is also frequently caused by various kernel bugs, driver bugs, misconfigurations and attempts to use incompatible modules.

It often would be possible to continue the work of the operating system in this condition but this could result the data loss. Hence the shutdown is preferred.

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How to cause kernel panic with a single command?

Is it possible to cause a kernel panic with a single command line? What would be the most straightforward such command for a sudoing user and what would it be for a regular user, if any? Scenarios that suggest downloading something as a part of the…
Desmond Hume
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What's the difference between a kernel oops and a kernel panic?

I know what a kernel panic is, but I've also seen the term "kernel oops". I'd always thought they were the same, but maybe not. So: What is a kernel oops, and how is it different from a kernel panic?
strugee
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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 will reboot. This system is overclocked, but very…
Naftuli Kay
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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 cpu, network, and disk activity plots in conky and…
DarenW
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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?
Stefan
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not syncing: VFS: Unable to mount root fs on unknown-block(0,0)

I had Windows 10 and Manjaro on my laptop and everything was OK. Last day, I've installed Kali Linux in another partition. It has installed correctly and it works fine. But the problem is when I want to boot my Manjaro. I select Manjaro on the grub…
Milad Heydari
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How to scroll up after a kernel panic?

While tinkering with a Linux VM I regularly get kernel panics, that push up all the helpful output with stuff I don't understand and that is probably not helpful to me. The panics mostly occur during the initramfs phase. I'm using VirtualBox. The…
Minix
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How to early configure Linux kernel to reboot on panic?

You can put "panic=N" on the kernel command line to make the system reboot N seconds after a panic. But is there a config option to specify this (other than the default kernel command line option) before even boot loader comes into a play? Some…
Shawn J. Goff
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Log files for kernel panic on Arch Linux

I have recently updated my Arch Linux machine. Since then, I have been getting kernel panics here and there. (the screen freezes and the status lights on my keyboard are blinking) It seems to happen when I watch a YouTube video for around 10…
Boris Bera
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perf interrupt took too long but perf not being installed

I just now checked my dmesg because my server starts to crash now and then. There I read the following line: perf interrupt took too long (2528 > 2500), lowering kernel.perf_event_max_sample_rate to 50000 which appears a couple of times. I…
Martin B.
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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 because when I put one of the other sticks into the…
Bevor
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Can I make Qemu exit with failure on kernel panic?

I'm trying to add Qemu to my continuous integration pipeline to test various initrd artifacts. I've already discovered that I can run Qemu like this: qemu-system-x86_64 \ -machine q35 \ -drive if=pflash,format=raw,file=OVMF_CODE.fd,readonly…
rubicks
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Why can't linux kernel boot on my new Intel i7-6500U CPU?

It' hard to isolate the CPU, I know, but the errors I'm seeing suggest that's the issue. This is definitely not a malfunctioning/broken hardware problem. I've been running Windows 10 all day for the past several days and this thing is flippin' fast!…
tmsimont
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Kernel Panic dumps no log files

I was playing a game on Steam and all a sudden I got a kernel panic. I manually shut down the computer and booted back into Linux Mint 17.1 (Cinnamon) 64-bit, and went to go check through my log files in /var/log/, but I couldn't find any references…
user91679
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How to determine which module taints the kernel?

My kernel keeps panicking when connected to a certain wireless network. I'd like to send a bug report but my kernel is apparently tainted. From /var/log/messages: Apr 17 21:28:22 Eiger kernel: [13330.442453] Pid: 4095, comm: kworker/u:1 Tainted: G…
drs
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