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[bug #35193] Grub2 doesn't use info in boot server packets


From: Tyson Whitehead
Subject: [bug #35193] Grub2 doesn't use info in boot server packets
Date: Thu, 10 Jan 2013 00:24:17 +0000
User-agent: Mozilla/5.0 (X11; Linux x86_64; rv:10.0.4) Gecko/20100101 Firefox/10.0.4 Iceweasel/10.0.4

Follow-up Comment #3, bug #35193 (project grub):

As you can see in Figure 2-4 in the specification (top of page 18)

http://download.intel.com/design/archives/wfm/downloads/pxespec.pdf

the PXE client actually gets input from a variety of packets (DHCP server,
DHCP proxy server, and boot server).  All of these can contain various
options.  Section 2.4.1 specifies the precedence order between them.

The existing grub code was entirely ignores the options specified in the boot
server response.  This caused the examples below to fail.  The patch I wrote
fixed this.

Cheers!  -Tyson

PS:  The patch was based on the latest version of grub2 in debian experimental
at the time I wrote it because the first thing I tried when it didn't work was
getting the latest version.  I had assumed this was relatively up-to-date.

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