Re: retaining messages from previous boot - /var/log/messages OR /var/log/boot.log

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On Wed, May 19, 2010 at 5:36 AM, arshad hussain <arshad.super@xxxxxxxxx> wrote:
> On Sun, May 16, 2010 at 10:03 AM, Mulyadi Santosa
> <mulyadi.santosa@xxxxxxxxx> wrote:
>> On Sat, May 15, 2010 at 18:50, Onkar Mahajan <kern.devel@xxxxxxxxx> wrote:
>>> The Situation is this :
>>>
>>> I have compiled Xen Hypervisor , and it just hangs at some point
>>> during the boot. I want to send to a relevant Xen mailing list the sequence
>>> of events before the hang.
>>>
>>> When the System hangs , I just restart the system uncleanly ( press the
>>> power button for 30 sec)
>>> and reboot the machine with the working kernel. Now, I want to see in
>>> /var/log/messages the
>>> sequence of events that occured  before the hang in the previous boot. I am
>>> not able to
>>> see those log messages , they are overwritten during every boot.
>>
>
Check the xend and xend-debug logs. Also have a look at
http://wiki.xensource.com/xenwiki/XenSerialConsole.

At worst times I found myself scribbling the contents with pen or pencil,
or lately using the camera when capturing crash was difficult. Just throwing
my thoughts on table...

Thanks

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