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Re: [Xen-devel] xen,bproc and grub

To: Tim Deegan <Tim.Deegan@xxxxxxxxxxxx>
Subject: Re: [Xen-devel] xen,bproc and grub
From: Adam Sulmicki <adam@xxxxxxxxxxxx>
Date: Mon, 8 Nov 2004 11:13:03 -0500 (EST)
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On Mon, 8 Nov 2004, Tim Deegan wrote:

> > However, when I try kexec+multiboot on a node running LinuxBIOS the end
> > result is something that looks as if node has rebooted. Pooking around I
> > traced it down to the fact that it uses real mode. (If I try to load linux
> > kernel using real-mode and kexec I get the exactly the same reboot, if on
> > the other hand I try to load the same kernel using 32 bit mode it seems to
> > work fine).
> The kexec start-a-new-kernel code is the same for multiboot as for
> (32-bit) linux (unless you use the --reset-vga flag with kexec --load,
> and even then it doesn't leave 32-bit protected mode).  It's quite
> surprising that one should work and the other not.

Keir Fraser wrote:

> Xen is already an elf32-x86 binary. There is no real-mode, nor any
> 16-bit protected-mode, code in Xen.

bummer, then something else must be going wrong. hmmm.

by the way. I had been looking a bit more into the xircom_cb (cardbus)
driver. It basically does not seem to work under xen0. It seems that it
calls the pci_register_driver() and nothing happens afterwards. Ideas?

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