Messages in this thread | | | From | Jeff Moyer <> | Date | Fri, 25 Feb 2005 09:42:49 -0500 | Subject | Re: how to capture kernel panics |
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==> 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.
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