Re: [Xen-devel] [Xen-users] XENBUS waiting timeout

[Konrad Rzeszutek Wilk <konrad.wilk@xxxxxxxxxx>]

On Thu, Sep 15, 2011 at 02:02:25AM -0400, jinho hwang wrote:
> Hi,
> 
> I have used disk image to copy host fs to image file and boot a guest
> system. But, the system is dropped to shell and it also says that it can't

You need to give more details. What is the version of your Dom0?
Is there anything showing up in the Dom0 kernel when this fails?

Can you also include your xenstore-ls when this failure happens? You should
see an entry for 51713 and 51714..

> find /dev/xvda1 which is the root fs. I have defined it in the configuration
> file as follows:
> 
> disk = [ 'tap:aio:/xen/XenGuest1.img,xvda1,w',
> 'tap:aio:/xen/XenGuest1.swap,xvda2,w' ]
> root = "/dev/xvda1 ro"
> 
> Also, modified the fstab as follows:
> 
> /dev/xvda1       /               ext3    defaults          1       1
> /dev/xvda2       none            swap    sw                0       0
> none             /dev/pts        devpts  gid=5,mode=620    0       0
> none             /dev/shm        tmpfs   defaults          0       0
> none             /proc           proc    defaults          0       0
> none             /sys            sysfs   defaults          0       0
> 
> The following is the error shown in the console.
> 
> Using IPI No-Shortcut mode
> registered taskstats version 1
> XENBUS: Waiting for devices to initialise:
> 295s...290s...285s...280s...275s...270s...265s...260s...255s...250s...245s...240s...235s...230s...225s...220s...215s...210s...205s...200s...195s...190s...185s...180s...175s...170s...165s...160s...155s...150s...145s...140s...135s...130s...125s...120s...115s...110s...105s...100s...95s...90s...85s...80s...75s...70s...65s...60s...55s...50s...45s...40s...35s...30s...25s...20s...15s...10s...5s...0s...
> XENBUS: Timeout connecting to device: device/vbd/51713 (local state 3,
> remote state 1)
> XENBUS: Timeout connecting to device: device/vbd/51714 (local state 3,
> remote state 1)
> XENBUS: Device with no driver: device/console/0
>   Magic number: 1:252:3141
> Freeing unused kernel memory: 432k freed
> Write protecting the kernel text: 2984k
> Write protecting the kernel read-only data: 1452k
> Loading, please wait...
> mount: mounting none on /dev failed: No such device
> W: devtmpfs not available, falling back to tmpfs for /dev
> Begin: Loading essential drivers ... done.
> Begin: Running /scripts/init-premount ... done.
> Begin: Mounting root file system ... Begin: Running /scripts/local-top ...
> done.
> Gave up waiting for root device.  Common problems:
>  - Boot args (cat /proc/cmdline)
>    - Check rootdelay= (did the system wait long enough?)
>    - Check root= (did the system wait for the right device?)
>  - Missing modules (cat /proc/modules; ls /dev)
> ALERT!  /dev/xvda1 does not exist.  Dropping to a shell!
> 
> If anybody has any idea, please let me know.
> 
> Thank you,
> 
> Jinho
> 
> -- 
> Jinho Hwang
> PhD Student
> Department of Computer Science
> The George Washington University
> Washington, DC 20052
> hwang.jinho@xxxxxxxxx (email)
> 276.336.0971 (Cell)
> 202.994.4875 (fax)
> 070.8285.6546 (myLg070)

> _______________________________________________
> Xen-devel mailing list
> Xen-devel@xxxxxxxxxxxxxxxxxxx
> http://lists.xensource.com/xen-devel


_______________________________________________
Xen-devel mailing list
Xen-devel@xxxxxxxxxxxxxxxxxxx
http://lists.xensource.com/xen-devel