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

[Chaitanya Deshpande <chaitanyagd11@xxxxxxxxx>]

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
>
>
>
>

Attachment: Qemu_UEFI.png
Description: PNG image

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