Re: how to capture kernel panics

From: shabanip
Date: Fri Feb 25 2005 - 10:03:56 EST


as i see netconsole is a kernel module.
so i just need to load netconsole module with server:port parameters.
am i right?

Payam Shabanian
shabanip -at- avapajoohesh.com

> ==> Regarding Re: how to capture kernel panics; Christian Borntraeger
> <linux-kernel@xxxxxxxxxxxxxxx> adds:
>
> linux-kernel> shabanip wrote:
>>> is there any way to capture and log kernel panics on disk or ...?
>
> linux-kernel> In former times, the Linux kernel tried to sync in the panic
> linux-kernel> function. (If the panic did not happen in interrupt context)
> linux-kernel> Unfortunately this had severe side effects in cases where
> the
> linux-kernel> panic was triggered by file system block device code or any
> linux-kernel> other part which is necessary for syncing. In most cases the
> linux-kernel> call trace never made it onto disk anyway. So currently the
> linux-kernel> kernel does not support saving a panic.
>
> linux-kernel> Apart from using a serial console, you might have a look at
> linux-kernel> several kexec/kdump/lkcd tools where people are working on
> linux-kernel> being able to dump the memory of a paniced kernel.
>
> Or netconsole, which will dump printk's do the server:port of your
> choosing.
>
> -Jeff
>

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