Messages in this thread | | | Date | Fri, 25 Feb 2005 18:37:37 +0330 (IRST) | Subject | Re: how to capture kernel panics | From | "shabanip" <> |
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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@borntraeger.net> 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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