From: Vivek Goyal <vgoyal@in.ibm.com>
To: Magnus Damm <magnus.damm@gmail.com>
Cc: Ian Campbell <Ian.Campbell@xensource.com>,
Horms <horms@verge.net.au>,
fastboot@lists.osdl.org, linux-kernel@vger.kernel.org
Subject: Re: [Fastboot] [PATCH 1/1] Allow i386 crash kernels to handle x86_64 dumps
Date: Fri, 16 Mar 2007 17:08:01 +0530 [thread overview]
Message-ID: <20070316113801.GC5642@in.ibm.com> (raw)
In-Reply-To: <aec7e5c30703160305p5d91af41h147e3a6c2687bcd9@mail.gmail.com>
On Fri, Mar 16, 2007 at 07:05:30PM +0900, Magnus Damm wrote:
> On 3/16/07, Vivek Goyal <vgoyal@in.ibm.com> wrote:
> >Got a question. When running 32bit dom0 on 64bit hypervisor, which
> >kexec-tools elf loader will kick in? 32bit or 64bit? Looks like in this
> >case 64bit one. But shouldn't it be 32bit as 32bit OS is running and we
> >must be using the kexec-tools binary compiled for 32bit OS? And if 32bit
> >loader kicks in we will not be passing any acpi parameters.
>
> There is no check to see if the hypervisor is 32 or 64 bits present
> today. So the 32-bit version of kexec-tools will support loading
> images like any other 32-bit kexec-tools.
>
If that is the case then in prepared elf headers, machine type should
be EM_386 or similar and not EM_X86_64 and Ian shouldn't have run into
the problem at all with vmcore. Am I missing something?
Thanks
Vivek
next prev parent reply other threads:[~2007-03-16 11:38 UTC|newest]
Thread overview: 31+ messages / expand[flat|nested] mbox.gz Atom feed top
2007-03-14 17:00 [PATCH 1/1] Allow i386 crash kernels to handle x86_64 dumps Ian Campbell
2007-03-15 1:46 ` Horms
2007-03-15 4:55 ` Vivek Goyal
2007-03-15 5:07 ` Horms
2007-03-15 5:47 ` Vivek Goyal
2007-03-15 8:00 ` Horms
2007-03-15 12:22 ` Ian Campbell
2007-03-15 13:26 ` Vivek Goyal
2007-03-15 13:42 ` Ian Campbell
2007-03-15 23:46 ` Horms
2007-03-16 2:27 ` Vivek Goyal
2007-03-15 23:48 ` Horms
2007-03-16 2:40 ` [Fastboot] " Magnus Damm
2007-03-16 3:22 ` Vivek Goyal
2007-03-16 7:10 ` Horms
2007-03-16 7:50 ` Magnus Damm
2007-03-16 7:28 ` Ian Campbell
2007-03-16 7:59 ` Magnus Damm
2007-03-16 8:50 ` Ian Campbell
2007-03-16 9:20 ` Magnus Damm
2007-03-16 9:35 ` Vivek Goyal
2007-03-16 10:05 ` Magnus Damm
2007-03-16 11:38 ` Vivek Goyal [this message]
2007-03-16 11:40 ` Ian Campbell
2007-03-16 12:25 ` Vivek Goyal
2007-03-16 12:31 ` Vivek Goyal
2007-03-16 9:26 ` Vivek Goyal
2007-03-16 2:42 ` Vivek Goyal
2007-03-16 7:31 ` Ian Campbell
2007-03-16 7:17 ` Ian Campbell
2007-03-16 7:30 ` Horms
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