From: Josh Boyer <jwboyer@linux.vnet.ibm.com>
To: michael@ellerman.id.au
Cc: Frank Fan <linuxppcstudy@gmail.com>, linuxppc-dev@ozlabs.org
Subject: Re: Need help to understand why kdump is for 64 bit PPC only
Date: Mon, 15 Dec 2008 15:37:44 -0500 [thread overview]
Message-ID: <20081215153744.105907e5@zod.rchland.ibm.com> (raw)
In-Reply-To: <1229373184.8332.3.camel@localhost>
On Tue, 16 Dec 2008 07:33:04 +1100
Michael Ellerman <michael@ellerman.id.au> wrote:
> On Mon, 2008-12-15 at 13:35 -0600, Kumar Gala wrote:
> > On Dec 15, 2008, at 12:58 PM, Frank Fan wrote:
> >=20
> > > Hello,
> > >
> > > I am working on a freescale MPC8572 CPU board and use 32 bit =20
> > > Linux2.6.28. When I enable 64 bit, it shows "kdump" in "kernel =20
> > > options". Otherwise, "kdump" is disabled.
> > > Can someone give me some hint why kdump is for 64 bit PPC only?
> >=20
> > Probably because no one has implemented or tested it on ppc32/8572.
>=20
> Pretty much, the 32-bit version of default_machine_kexec() is pretty
> na=C3=AFve, but you never know it might work.
You forgot the obligatory: "Or it could crash and cause your board to
catch on fire."
josh
prev parent reply other threads:[~2008-12-15 20:37 UTC|newest]
Thread overview: 4+ messages / expand[flat|nested] mbox.gz Atom feed top
2008-12-15 18:58 Need help to understand why kdump is for 64 bit PPC only Frank Fan
2008-12-15 19:35 ` Kumar Gala
2008-12-15 20:33 ` Michael Ellerman
2008-12-15 20:37 ` Josh Boyer [this message]
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