Re: Query for running Xen on ARM

[Chaitanya Deshpande <chaitanyagd11@gmail.com>]

[-- Attachment #1.1: Type: text/plain, Size: 5321 bytes --]

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@kernel.org>
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@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
> >       >
> >       >
> >       >
> >       >
> >
> >
> >
> >
>

[-- Attachment #1.2: Type: text/html, Size: 7752 bytes --]

[-- Attachment #2: Type: text/plain, Size: 157 bytes --]

_______________________________________________
Xen-devel mailing list
Xen-devel@lists.xenproject.org
https://lists.xenproject.org/mailman/listinfo/xen-devel