Hello Andrii, >> What defconfig are you based on? Do you have a device-tree support enabled?
I use *omap2plus_defconfig* . Yes , device tree support is there and the dts file used is *omap5-uevm.dts>> *But it did not get a command line to setup console on hvc0, or the kernel crashed in earliest stages. Is there a way to debug which one of the above two possibilities has lead to the issue ? As I'm using the dom0 kernel image for my guest, is it still possible that it could be a kernel crash since it has already booted up for dom0. Thanks and Regards, On Wed, Nov 15, 2017 at 4:31 PM, Andrii Anisov <andrii_ani...@epam.com> wrote: > 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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