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xen-devel
Re: [Xen-devel] x86_64 - Unable to boot DomU
To make the story more complete:
during the DomU boot it hangs for a while on:
Blkif frontend is using grant tables.
xen_blk: Initialising virtual block device driver
And then spits out:
xen_blk: Timeout connecting to device!
David F Barrera wrote:
So, I am not the only one, then. Thanks for your reply.
David
Robin van Leeuwen wrote:
I have the same here after last pull
VFS: Cannot open root device "hda1" or unknown-block(0,0)
only my hda1 maps to a ext3 on a lvm device...
[Debian unstable/testing, last pull 22-08-05 18:00]
David F Barrera wrote:
I've built Xen with the latest hg source pull, and I am not able to
boot domU on my x86_64 boxes using configurations and setups that
have previously worked. Has something changed since late last week
that would require a change in my domU configuration file?
When creating DomU, I get the following error message:
VFS: Cannot open root device "sdb2" or unknown-block(0,0)
Please append a correct "root=" boot option
Kernel panic - not syncing: VFS: Unable to mount root fs on
unknown-block(0,0)
The file system for DomU is ext3, and I've made sure that it is
built in xenU kernel.
This are the xm dmesg lines displayed when error occurs:
(XEN) (file=grant_table.c, line=1071) Grant unref rd(5) ld(0)
frm(d485) flgs(0).
(XEN) (file=traps.c, line=878) Non-priv domain attempted
RDMSR(00000000c0000080,00020000,00020000).
(XEN) (file=traps.c, line=870) Non-priv domain attempted
WRMSR(00000000c0000100,00000000,00000000).
(XEN) (file=traps.c, line=870) Non-priv domain attempted
WRMSR(00000000c0000102,00000000,00000000).
(XEN) (file=traps.c, line=878) Non-priv domain attempted
RDMSR(00000000c0000080,00000000,00000000).
stop_this_cpu disable_local_apic
This is the domU configuration file:
# Kernel image file.
kernel = "/boot/vmlinuz-2.6-xenU"
# Optional ramdisk.
# ramdisk = "/boot/initrd-2.6.11.12-xenU"
# The domain build function. Default is 'linux'.
builder='linux'
# Initial memory allocation (in megabytes) for the new domain.
# memory = 256
memory = 512
# A name for your domain. All domains must have different names.
name = "vm1"
disk = [ 'phy:sdb1,0811,w','phy:sdb2,0812,w' ]
# Set if you want dhcp to allocate the IP address.
# vif = [ 'mac= AA:00:00:47:CB:34, bridge=xen-br0' ]
# Set if you want dhcp to allocate the IP address.
#dhcp="dhcp"
# Set netmask.
#netmask = '255.255.255.0'
# Set default gateway.
# gateway = '9.53.94.0'
# Set the hostname.
# hostname= "vm%d" % vmid
# Set root device.
root = "/dev/sdb2 ro"
# Sets runlevel 4.
# extra = "4"
#==============
David F Barrera
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http://lists.xensource.com/xen-devel
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