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Re: [Xen-devel] kexec regression between 3.1.0 and 3.1.3 ?

  • To: Simon Horman <horms@xxxxxxxxxxxx>
  • From: Keir Fraser <keir.fraser@xxxxxxxxxxxxx>
  • Date: Mon, 11 Aug 2008 08:45:24 +0100
  • Cc: xen-devel <xen-devel@xxxxxxxxxxxxxxxxxxx>, Ward Vandewege <ward@xxxxxxx>
  • Delivery-date: Mon, 11 Aug 2008 00:45:51 -0700
  • List-id: Xen developer discussion <xen-devel.lists.xensource.com>
  • Thread-index: Acj7hjaVdQlRZWd5Ed25mQAWy6hiGQ==
  • Thread-topic: [Xen-devel] kexec regression between 3.1.0 and 3.1.3 ?

On 11/8/08 02:56, "Simon Horman" <horms@xxxxxxxxxxxx> wrote:

>> It'd be nice to have kexec add that flag by default for Xen, or steal a new
>> multiboot flag to mean the same thing, as this trips people up frequently I
>> expect. Oh well, hopefully knowledge of this trick will spread.
> How robust is adding no-real-mode to the command line of the second
> kernel?  It probably makes sense just to have kexec add it by default.
> But I am a bit reluctant to do so if it isn't always wanted.

Any Xen version which recognises the option ought to have it specified when
kexec'ed. It's not usually valid to drop back into real mode and execute
legacy BIOS services at that time.

 -- Keir

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