analysis of kernel panic logs.

anish singh anish198519851985 at
Tue Sep 6 12:56:00 EDT 2011

On Tue, Sep 6, 2011 at 10:14 PM, Dave Hylands <dhylands at> wrote:
> Hi Sandeep,
> On Mon, Sep 5, 2011 at 1:37 AM, sandeep kumar <coolsandyforyou at> wrote:
> ...snip...
>> As our analysis for the problem goes,
>> init being the critical process, when killed, platform called a system call
>> to restart the kernel.
>> is it correct or we missd something?
> I'm not sure. What exactly do you mean by "platform"?
Android guys would have known this but as we can understand
this being silly questions doesn't deserve their attention and probably
because they have a small team.

Anyway platform here means user space.Where init process is
running.Sandeep i guess you should see the code as to how
they are handling the killing of the core process(critical) in user space.
>> I have the following questions also,
>> 1) When we enabled that config option CONFIG_DEBUG_USER, the register dump
>> we got, is of user space application, right?
> Yes - that was a register dump of the init process, which is a
> user-mode process.
>> 2) init: unhandled page fault (11) at 0x00000000, code 0x80000007, this is
>> given by the CONFIG_DEBUG_USER, any reference how to analyse the 'code'
>> value?
> You'd probably need to look this up in the ARM ARM. You'll need to
> know the correct chip number of the ARM processor you're using, so you
> can figure out which reference manual to use. The ARM ARM is either
> available at, or it may be available with ARM development
> tools.
> --
> Dave Hylands
> Shuswap, BC, Canada
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