Re: Query for running Xen on ARM

[Chaitanya Deshpande <chaitanyagd11@gmail.com>]

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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@kernel.org>
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@arm.com>
> 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
> >
> >
> >
> >
>

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