kexec

Yury Bushmelev jay4mail at gmail.com
Thu Sep 15 03:51:18 EDT 2011


Hello!

Thank you for testing kexec! :)

2011/9/15 Xiangfu Liu <xiangfu at sharism.cc>:
> On 09/12/2011 06:25 PM, Andrea Bolognani wrote:
>>
>> On Sun, Sep 11, 2011 at 02:45:02PM +0400, Yury Bushmelev wrote:
>>
>>> >  If system boot ok you may check dmesg or /proc/cmdline for
>>> >  test_kexec_cmdline tag.
>>> >  If system does not boot, you can't check w/o serial console, imho.
>>
>> No luck: it still hangs.
>>
>> I’m going to abandon the kexec route for now; if anyone feels like
>> tracking this down and fixing it please keep us posted.
>>
>
> Hi
>
> seems we meet different errors.
> I will try to enable the "Built-in kernel command line" and try again
>
> Linux version 2.6.37.6 -->Linux version 2.6.37.6
> Linux version 2.6.37.6 -->Linux version 3.0
> Linux version 3.0 -->Linux version 2.6.37.6
>  the screen stop after exec 'kexec -e', no more message
>  more info about this may relate to
> :http://en.qi-hardware.com/irclogs/qi-hardware_2011-03-03.log.html#t09:12

add_memory_region() is called in callback of 'mem' cmdline tag parsing function:
http://en.qi-hardware.com/irclogs/qi-hardware_2011-03-15.log.html#t12:22

You may try to compile kernel with hardcoded known-to-work cmdline and kexec it.

-- 
Yury Bushmelev




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