Re: Hibernation oops with 2.6.31 won't fit the screen - how to debug?

[Jiri Slaby <jirislaby@gmail.com>]

On 09/19/2009 11:44 PM, Frans Pop wrote:
> Ondrej Zary wrote:
>> hibernation worked great with 2.6.30 - I had over a month of uptime (it
>> never worked so well before - always crashed after some time). But in
>> 2.6.31, it's broken again - and completely. The first hibernation works
>> but it always crashes on the second one.
>>
>> The problem is that the oops is so long that it does not fit the screen -
>> even 1280x1024 is not enough. Scrolling does not work (as it used to do
>> on 2.4 kernels), netconsole does not catch it. So how can I debug this?
> 
> One way to get at least an indication of what broke the hibernation is to 
> run a bisection to find the change that broke hibernation. That could 
> provide sufficient clues for a next step.

And if it is reproducible with some debugging mode (see
Documentation/power/basic-pm-debugging.txt, section Test modes of
hibernation), you may not need to do a full hibernation/thaw cycle.

Could you attach at least the part of the oops you see?