Re: [Xen-devel] Problems in starting up domU with Xen-ARM (on Cortex-A15 Fast Models)

[XiaoGuang Wang <xjtuwxg@xxxxxxxxx>]

2013/10/2 Ian Campbell <Ian.Campbell@xxxxxxxxxx>

On Wed, 2013-10-02 at 10:03 -0400, XiaoGuang Wang wrote:

> When start udev, there comes error:  initctl: Unable to connect to
> Upstart: Failed to connect to socket /com/ubuntu/upstart: Connection
> refused
>
> I'm considering that it is because I didn't configure the dom0
> network. But when I start the network, some tools are not found in arm
> chroot FS, e.g. brctl.
>
> Is it necessary to start network when start udev?

upstart is the Ubuntu initsystem (i.e fills the same niche as sysvinit
or systemd). The "Connection refused" is likely to be a Unix domain
socket or something and not networking.

I doubt you need actual networking here, if nothing else udev is
responsible for loading the network drivers!

Yes. I solve it by using the following two commands:
dpkg-divert --local --rename --add /sbin/initctl
ln -s /bin/true /sbin/initctl

While actually, there is still something wrong when start xencommons:

root@dom0:/root# /etc/init.d/xencommons start
Starting C xenstored....FATAL: Failed to open evtchn device: No such file or directory
.............................
Could not start xenstored

I think I have already set the XEN_DEV_EVTCHN in dom0 .config file:
1578 # Xen driver support
1579 #
1580 CONFIG_XEN_DEV_EVTCHN=y                                                                               
1581 CONFIG_XEN_BACKEND=y
1582 CONFIG_XENFS=y
1583 CONFIG_XEN_COMPAT_XENFS=y
1584 # CONFIG_XEN_SYS_HYPERVISOR is not set
1585 CONFIG_XEN_XENBUS_FRONTEND=y
1586 CONFIG_XEN_GNTDEV=y
1587 # CONFIG_XEN_GRANT_DEV_ALLOC is not set
1588 CONFIG_XEN_PRIVCMD=y
1589 # CONFIG_STAGING is not set
1590 CONFIG_CLKDEV_LOOKUP=y
1591 CONFIG_HAVE_CLK_PREPARE=y
1592 CONFIG_COMMON_CLK=y
 

I don't know why it still happens.

Sincerely,

Xiaoguang

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