What causes this to happen, and is there anything you can do to prevent it in future? Let's take a look. A kernel panic, or its equivalent in the Windows world of a stop error or the dreaded Blue Screen of Death BSOD , happens as the result of an unspecified low level error that an operating system cannot recover from.
The error is regarded as being more serious than a simple crashing app, and potentially damaging to the system or data. As a result the operating system takes the decision to close everything down as a safety measure, and output error codes containing information about what exactly happened.
From the user's perspective, all it means is that one minute you're working as normal, and the next, your computer is restarting, and you've lost everything you've done since you last saved.
On Windows, you'll know one has happened because the whole screen will turn blue, with a message stating that the computer needs to restart. On OS X versions On On Linux computers there's also something called a kernel oops , where a serious error occurs that the operating system is able to deal with. The system will continue running, although it may cause instability and even lead to a full kernel panic, shown as a black screen full of code.
The causes of a kernel panic or BSOD are many and varied, and they can be hardware or software-related. Common causes include things like faulty RAM or malfunctioning peripherals, drivers or software plugins, or even badly written programs. When you experience a kernel panic or BSOD, there's not a lot you can do about it other than restart your computer and get back to work.
In some cases, the image will be written to non- volatile memory during the panic and copied to the hard disk upon reboot. If a disk failure is the source of the panic, the system may not be able to preserve the memory image, however. Quite often, it is possible for the operating system to continue running after a critical error occurs.
The reason a kernel panic stops the system is to prevent any further corruption of software, hardware or memory contents. Halting the system in this state may preserve enough information to allow an engineer to determine the cause.
Usually, these messages provide debugging information that can be useful to know where the problem is coming from and that developers can solve these problems. If you come from the world of Microsoft Windows, it is the equivalent of the famous BSoD Blue Screen of the Death , that is, those famous blue screens that sometimes happen in these operating systems when something goes wrong.
Although many know well what a kernel panic is, and will even have suffered some of them at some point, not everyone knows all the possible causes why you can produce one on the Linux kernel of your favorite distro. Or perhaps, some do not know all the possible causes For you to know the motives Here is a list of the most frequent causes for a kernel panic to occur:. The content of the article adheres to our principles of editorial ethics.
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