Red Hat Bugzilla – Bug 429390
domU fails to boot from CD image
Last modified: 2008-06-16 22:59:53 EDT
Attempt to boot domU from ISO image fails with
ata1.01: exception Emask 0x0 SAct 0x0 SErr 0x0 action 0x2 frozen
ata1.01: (BMDMA stat 0x5)
ata1.01: cmd a0/01:00:00:00:00/00:00:00:00:00/b0 tag 0 cdb 0x12 data 36 in
The CD ISO is Fedora Live 7 32 bit
DOM 0 is Fedora Core 7 x86_64
host : burger.neo.rr.com
release : 2.6.21-6.fc7xen
version : #1 SMP Mon Nov 19 07:14:57 EST 2007
machine : x86_64
nr_cpus : 2
nr_nodes : 1
sockets_per_node : 1
cores_per_socket : 2
threads_per_core : 1
cpu_mhz : 2405
total_memory : 1022
free_memory : 526
xen_major : 3
xen_minor : 1
xen_extra : .0-rc7
xen_caps : xen-3.0-x86_64 xen-3.0-x86_32p hvm-3.0-x86_32
xen_scheduler : credit
xen_pagesize : 4096
platform_params : virt_start=0xffff800000000000
xen_changeset : unavailable
cc_compiler : gcc version 4.1.2 20070925 (Red Hat 4.1.2-27)
cc_compile_by : kojibuilder
cc_compile_domain : (none)
cc_compile_date : Mon Nov 19 07:02:09 EST 2007
xend_config_format : 4
Xen config file (bugit):
import os, re
arch = os.uname()
if re.search('64', arch):
arch_libdir = 'lib64'
arch_libdir = 'lib'
kernel = "/usr/lib/xen/boot/hvmloader"
memory = 500
name = "bugit"
vif = [ 'type=ioemu, bridge=xenbr0' ]
disk = [ 'file:/xen/testb.img,hda,w',
on_poweroff = 'preserve'
on_reboot = 'preserve'
on_crash = 'preserve'
device_model = '/usr/' + arch_libdir + '/xen/bin/qemu-dm'
Attempt to start any domU that boots from CD image. Fails on both ISO images
and real CDROM. Failure symptoms identical.
Steps to Reproduce:
1. xm create bugit -c
boot fails and enters emergency shell
Fedora Live system comes up
See serial console log of boot and boot without quiet attachments
Created attachment 292230 [details]
serial console log with boot parameter quiet
Created attachment 292231 [details]
same boot without "quiet" on kernel line
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