From mboxrd@z Thu Jan  1 00:00:00 1970
From: Konrad Rzeszutek Wilk <konrad.wilk@oracle.com>
Subject: disk=['file://..xvda'] not working for boot disks
	anymore?
Date: Fri, 22 Jan 2016 15:54:33 -0500
Message-ID: <20160122205433.GA15535@char.us.oracle.com>
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Cc: boris.ostrovsky@oracle.com
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Hey,

This parameter
disk = ['file:/root/sol.dd,xvda,w','file:/root/sol-11_2_15_5_1-text-x86.iso,xvdb:cdrom,r']

works with qemu-traditional, but if I try with qemu-xen it
does not find the disk:

(d15) [2016-01-22 20:50:03] enter handle_19:
(d15) [2016-01-22 20:50:03]   NULL
(d15) [2016-01-22 20:50:03] Booting from ROM...
(d15) [2016-01-22 20:50:03] Booting from c980:0361

while with qemu-traditional:

(d14) [2016-01-22 20:43:15] Bochs BIOS - build: 06/23/99
(d14) [2016-01-22 20:43:15] $Revision: 1.221 $ $Date: 2008/12/07 17:32:29 $
(d14) [2016-01-22 20:43:15] Options: apmbios pcibios eltorito PMM
(d14) [2016-01-22 20:43:15]
(d14) [2016-01-22 20:43:15] ata0 master: QEMU HARDDISK ATA-7 Hard-Disk (12288 MBytes)
(d14) [2016-01-22 20:43:15]
(d14) [2016-01-22 20:43:15]
(d14) [2016-01-22 20:43:15]
(d14) [2016-01-22 20:43:15] Press F12 for boot menu.
(d14) [2016-01-22 20:43:15]
(d14) [2016-01-22 20:43:15] Booting from Hard Disk...

It does work with Xen 4.4, but that is ancient. I hadn't yet
tried Xen 4.5 nor 4.6.

I am hoping one of you knows exactly which commit might have made
this change?

Note that the name is 'xvda', not 'hda'. Thanks!