reboot/kexec in 2.6.38

Eric W. Biederman ebiederm at
Fri Mar 25 16:49:35 EDT 2011

Cyril Hrubis <metan at> writes:

> Hi!
>> I think it's config issue. Never heard of this.
> I've just compiled and booted 2.6.38. The kernel boots without problems when
> flashed in. But I've had no success with kexec, the last lines I see are:
> Starting new kernel

Enable early_printk to a serial port if you can.

There is definitely an issue in 2.6.38 where kdump doesn't work, that
right now looks like a memblock issue.


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