Re: [Xen-devel] Unable to create guest PV domain on OMAP5432

[Andrii Anisov <andrii_anisov@xxxxxxxx>]

Hello Jayadev,


On 15.11.17 12:46, Jayadev Kumaran wrote:
> Hello Andrii,
>
> >> What kernel do you use for DomU? Please make sure you have in that 
> kernel configuration XEN support enabled (together with hypervisor 
> console support).
> I use a 3.15 kernel 
> (git://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git 
> <http://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git>) 
> with the following configs enabled for Xen support.
> CONFIG_XEN_DOM0=y
> CONFIG_XEN=y
> CONFIG_XEN_BLKDEV_FRONTEND=y
> CONFIG_XEN_BLKDEV_BACKEND=y
> CONFIG_XEN_NETDEV_FRONTEND=y
> CONFIG_XEN_NETDEV_BACKEND=y
> CONFIG_INPUT_XEN_KBDDEV_FRONTEND=y
> CONFIG_HVC_XEN=y
> CONFIG_HVC_XEN_FRONTEND=y
> CONFIG_XEN_DEV_EVTCHN=y
> CONFIG_XEN_BACKEND=y
> CONFIG_XENFS=y
> CONFIG_XEN_COMPAT_XENFS=y
> CONFIG_XEN_SYS_HYPERVISOR=y
> CONFIG_XEN_XENBUS_FRONTEND=y
> CONFIG_XEN_GNTDEV=y
> CONFIG_XEN_GRANT_DEV_ALLOC=y
> CONFIG_XEN_PRIVCMD=y
>
> In fact, it is the same kernel as that of dom0, just to check if Xen 
> is properly configured.
What defconfig are you based on? Do you have a device-tree support enabled?

> Also, I had previously tried with a kernel image with no Xen support 
> and the results were quite similar - guest domain gets created and is 
> shown in a running state as per /'xl list' /, however /'xl console/' 
> shows nothing but hangs until I press Ctrl+5 .
Your guest is created and XEN treats it as being running, you can see 
this in `xl list`.
But it did not get a command line to setup console on hvc0, or the 
kernel crashed in earliest stages.

--

*Andrii Anisov*



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