Re: linux-3.4-rc0 XENBUS: Device with no driver: device/vbd/51713

[Konrad Rzeszutek Wilk <konrad.wilk@oracle.com>]

On Fri, Mar 30, 2012 at 10:52:51PM +0200, Sander Eikelenboom wrote:
> Hi Konrad,
> 
> I just tried linux-3.4-rc0 (linus his tree, last commit f52b69f86e27903d6896ed5fa7cd280fec8de532) with 3 additional branches from your tree pulled on top of that:
> 
> branch stable/for-ingo-3.4.v2     (required for dom0 to boot)
> branch stable/for-jens-3.4
> branch stable/for-jens-3.4-bugfixes
> 
> Hypervisor is xen-4.1.3-rc1-pre
> linux 3.3 vanilla works fine
> 
> Booting dom0 goes fine, but PV-guests don't work, it seems something goed wrong with registrering the devices.
> Which is kind of strange because i compiled the kernel with the same .config (all xen stuff is compiled in, no modules).
> 
> Nothing else is changed in between, I also tried reverting some of the xen-front patches but all to no avail .. do you have any suggestions ?

Your .config looks right. Let me try it out as well. Thanks for reporting!

> 
> .config is attachted
> 
> 
> This is on the guest console:
> 
> [    0.219507] TCP: cubic registered
> [    0.219513] NET: Registered protocol family 17
> [    0.219530] Bridge firewalling registered
> [    0.219536] Ebtables v2.0 registered
> [    0.219550] Registering the dns_resolver key type
> [    0.219736] registered taskstats version 1
> [    0.219748] XENBUS: Device with no driver: device/vbd/51713
> [    0.219752] XENBUS: Device with no driver: device/vbd/51714
> [    0.219757] XENBUS: Device with no driver: device/vif/0
> [    0.219789]   Magic number: 1:252:3141
> [    0.219840] console [netcon0] enabled
> [    0.219844] netconsole: network logging started
> [    0.219848] saa7134 ALSA driver for DMA sound loaded
> [    0.219852] saa7134 ALSA: no saa7134 cards found
> [    0.220222] Freeing unused kernel memory: 716k freed
> 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.
> Begin: Waiting for root file system ... 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/xvda2 does not exist.  Dropping to a shell!