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From: Mohan Kumar M <mohan@in.ibm.com>
To: Geoff Levand <geoffrey.levand@am.sony.com>
Cc: Rajasekaran P <rajasekaran83@gmail.com>,
	kexec@lists.infradead.org, piet@bluelane.com
Subject: Re: Fwd: Kexec support for PS3 (ppc64)
Date: Wed, 12 Mar 2008 10:55:09 +0530	[thread overview]
Message-ID: <20080312052509.GC409@in.ibm.com> (raw)
In-Reply-To: <47D7349E.90409@am.sony.com>

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.
>

Geoff,

What about using Hypervisor call H_PUT_TERM_CHAR?

I used this call to debug the first kernel kexec shutdown sequence.

Regards,
Mohan.

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  parent reply	other threads:[~2008-03-12  5:25 UTC|newest]

Thread overview: 16+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
     [not found] <C5065F118AFB3D478B052FC1E9810D9CA9041B@tec-mail.ttec.soc-soft.com>
2008-03-07  5:55 ` Fwd: Kexec support for PS3 (ppc64) Rajasekaran P
2008-03-07 19:01   ` Geoff Levand
2008-03-11 10:25     ` Rajasekaran P
2008-03-11 16:54       ` Geoff Levand
2008-03-11 18:48         ` Geoff Levand
2008-03-12  1:21           ` Pete/Piet Delaney
2008-03-12  1:40             ` Geoff Levand
2008-03-12  3:47               ` Piet Delaney
2008-03-12  5:25               ` Mohan Kumar M [this message]
2008-03-12  5:40                 ` Geoff Levand
2008-03-12  5:56                   ` Mohan Kumar M
2008-03-14 10:36           ` Rajasekaran P
2008-03-14 11:02             ` Mohan Kumar M
2008-03-14 11:18               ` Rajasekaran P
2008-03-14 11:22                 ` Mohan Kumar M
2008-03-16  6:19                   ` Rajasekaran P

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