Fwd: Kexec support for PS3 (ppc64)
Mohan Kumar M
mohan at in.ibm.com
Wed Mar 12 01:25:09 EDT 2008
On Tue, Mar 11, 2008 at 06:40:46PM -0700, Geoff Levand wrote:
> When the first stage kernel goes down it releases all hypervisor
> resources so that whatever boots next can successful open those
> resources. The frame buffer is one of those resources that are
> released, and after it is, there will be no more output to the
> display until the second stage image brings up its display. It
> is not a matter of adding print statements or string formatting.
What about using Hypervisor call H_PUT_TERM_CHAR?
I used this call to debug the first kernel kexec shutdown sequence.
More information about the kexec