NetBSD Problem Report #41524

From kilbi@kilbi.de  Tue Jun  2 14:48:13 2009
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Date: Tue,  2 Jun 2009 16:47:50 +0200 (MEST)
From: mk@kilbi.de
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To: gnats-bugs@gnats.NetBSD.org
Subject: mdec/boot multiboot problem with xen kernel
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>Number:         41524
>Category:       kern
>Synopsis:       -current's mdec/boot is no longer capable to multiboot xen kernels
>Confidential:   no
>Severity:       serious
>Priority:       high
>Responsible:    kern-bug-people
>State:          open
>Class:          sw-bug
>Submitter-Id:   net
>Arrival-Date:   Tue Jun 02 14:50:01 +0000 2009
>Originator:     Markus W Kilbinger
>Release:        NetBSD 5.99.13
>Organization:
>Environment:


System: NetBSD qie 5.99.13 NetBSD 5.99.13 (Q) #1: Tue Jun  2 15:48:03 MEST 2009  root@q:/usr/u/NetBSD/HEAD/src/sys/arch/amd64/compile/Q amd64
Architecture: x86_64
Machine: amd64
>Description:

	-current's /usr/mdec/boot is no longer capable to multiboot
	xen kernels:

	  http://nice.afraid.org/multiboot-xen-prob/DSCF2640.PNG

	After my report around March this year

	  http://mail-index.netbsd.org/port-xen/2009/03/22/msg004864.html

	quite the same problem (beside others) disappered suddenly, so
	I did not send-pr at that time. But no it's back!

	Rebuild everything from scratch did not help.

	Excerpt of my /boot.cfg:

	  menu=Boot Xen 3.3 customized:load /netbsd-DOM0 console=pc; multiboot /xen33.gz dom0_mem=2097152

	which was working before.

	I also checked releng's mdec/boot versions (amd64 + i386)
	which show the same problem.
>How-To-Repeat:
	Try to multiboot a -current based xen33 kernel/system w/
	NetBSD's mdec/boot.
>Fix:
	Not exactly tested, but mdec/boot of -current about one month
	ago should work.

>Unformatted:

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