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Hi Stefano,

Sure. I will look into those documents. Thanks a lot.

Chaitanya

On Wed, May 30, 2018 at 9:18 AM, Stefano Stabellini <sstabellini@xxxxxxxxxx> wrote:

I am not sure what the problem is. I would compared your partition table
with a standard Linux distro UEFI image [1] to see if there are any
important differences. Checkout the UEFI spec [2] section 13.3.1 onward
to read the details of the partitions and filesystem requirements.

[1] https://cloud-images.ubuntu.com/xenial/current/xenial-server-cloudimg-arm64-uefi1.img
[2] http://www.uefi.org/sites/default/files/resources/UEFI%20Spec%202_7_A%20Sept%206.pdf#G17.1019485

On Tue, 29 May 2018, Chaitanya Deshpande wrote:
> Hi Stefano,
>
> I have created W95 FAT32 partition as my first partition (Bootable) but still I unable to see fs0: in the list.
>
> Please find attached copy of the screen shot with this Email.
>
> Please can you help me.
>
> Thanks,
> Chaitanya
>
> On Tue, May 29, 2018 at 1:06 PM, Stefano Stabellini <sstabellini@xxxxxxxxxx> wrote:
> FS0: is mapped to the first partition on your disk, that needs to be
> formatted with the FAT filesystem. Do you have a FAT partition on your
> disk?
>
> On Tue, 29 May 2018, Chaitanya Deshpande wrote:
> > Hi Stefano, Julien,
> > I am able to solve that problem. Now the problem I am facing is my qemu is unable to find file system from EFI.
> >
> > Please find attached copy with this Email.
> >
> > No fs0: in mapping table. (Only BLK0: and BLK1:)
> >
> > Thanks,
> > Chaitanya
> >
> > On Tue, May 29, 2018 at 7:35 AM, Julien Grall <julien.grall@xxxxxxx> wrote:
> > (+Stefano)
> >
> > On 27/05/18 18:48, Chaitanya Deshpande wrote:
> > Hi,
> >
> >
> > Hello Chaitanya,
> >
> > I am Chaitanya, pursuing my master’s degree from Portland State University in Embedded Systems.
> >
> > I have started working on Xen Project and I am beginner in this field.
> >
> > I have followed all the steps which are given in this link –
> >
> > https://wiki.xenproject.org/wiki/Xen_ARM_with_Virtualization_Extensions/qemu-system-aarch64
> >
> > https://wiki.xenproject.org/wiki/Xen_ARM_with_Virtualization_Extensions#Building_Xen_on_ARM
> >
> >
> > 1) I have used buildroot(rootfs.cpio) for building Linux.
> >
> > 2) I have succeeded in booting Linux on Qemu (qemu-system-.aarch64)
> >
> > 3) Used make dist-xen XEN_TARGET_ARCH=arm64 CROSS_COMPILE=aarch64-linux-gnu- for cross compiling and
> > getting Xen binary.
> >
> > 4) My root is root - root=/dev/sda1
> >
> >
> > May I ask why the root is different from the example in the wiki page? Are you using a different setup for
> the disk
> > (e.g no virtio)?
> >
> >
> >
> > After running the last step UEFI Prompt opens and it gives me this error.
> >
> >
> > What do you mean? Which last step?
> >
> >
> > error: no such device: root.
> >
> >
> > This is coming from UEFI, right?
> >
> >
> > Press any key to continue...
> > EFI stub: Booting Linux Kernel...
> >
> >
> > This is booting Linux and not Xen. It is also trying to using ACPI rather than DT. Would it be possible for
> you to
> > drop to the UEFI shell and try to boot by hand?
> >
> > EFI stub: Using DTB from configuration table
> > EFI stub: Exiting boot services and installing virtual address map...
> > [ 11.231789] acpi PNP0A08:00: Bus 0000:00 not present in PCI namespace
> > [ 41.972816] NMI watchdog: BUG: soft lockup - CPU#1 stuck for 23s! [swapper/0:1]
> > [ 229.940369] NMI watchdog: BUG: soft lockup - CPU#0 stuck for 23s! [swapper/0:1]
> > [ 257.939966] NMI watchdog: BUG: soft lockup - CPU#0 stuck for 23s! [swapper/0:1]
> > [ 290.035395] NMI watchdog: BUG: soft lockup - CPU#3 stuck for 23s! [swapper/0:1]
> > [ 303.595373] kvm [1]: error: no compatible GIC node found
> > [ 303.619405] kvm [1]: error initializing Hyp mode: -19
> >
> > I am unable to find the root cause of this issue. Please can anyone help me with this.
> >
> >
> > Cheers,
> >
> > --
> > Julien Grall
> >
> >
> >
> >
>
>
>
>

Re: [Xen-devel] Query for running Xen on ARM