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Re: [Qemu-devel] Re: PC machine types switched to SeaBIOS/gPXE


From: Anthony Liguori
Subject: Re: [Qemu-devel] Re: PC machine types switched to SeaBIOS/gPXE
Date: Mon, 02 Nov 2009 17:22:00 -0600
User-agent: Thunderbird 2.0.0.23 (X11/20090825)

Beth Kon wrote:
Serendipity allowed us to find this really easily, thanks to some old builds lying around...

The following Seabios commit breaks gpxe boot with e1000:

commit a5826b5ad482f44d293387dc7513e5e98802a54e
Author: Kevin O'Connor <address@hidden>
Date:   Sat Oct 24 17:57:29 2009 -0400

   Add simple cooperative threading scheme to allow parallel hw init.
     Enable system for running hardware initialization in parallel.
   The yield() call can now round-robin between "threads".
   Rework ata controller init to use a thread per controller.
   Make sure internal drives are registered in a defined order.
   Run keyboard initialization in a thread.
   Rework usb init to use a thread per controller.

Any thoughts Kevin?

Before this commit, the gPXE e1000 rom was able to successfully netboot when selected as a boot device. With this commit, we get a "device not found" error within gPXE when launched as a boot device but when run from the gPXE command line, it launches successfully.

Regards,

Anthony Liguori




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