Re: [Xen-devel] xen:arm boot failures after commit 1c92a2aa*

[Ian Campbell <Ian.Campbell@xxxxxxxxxx>]

On Wed, 2014-09-24 at 05:17 -0700, Suriyan Ramasami wrote:
> Hello,
>     I just noticed that after commit
> 1c92a2aaf8c681efea9a3125e63d45b2d0083abf in master -  xen: arm:
> support for up to 48-bit IPA addressing on arm64 - odroid xu fails to
> boot. I am wondering if that effects Arndale too and other ARM boards.

It didn't affect Arndale in my tests yesterday.

Did you bisect to exactly that commit or did you update a bunch of stuff
to end up there?

> The output on XEN console is as follows:
> 
> (XEN) P2M: 40-bit IPA
> (XEN) P2M: 3 levels with order-1 root, VTCR 0x80003518
> (XEN) *** LOADING DOMAIN 0 ***
> (XEN) Loading kernel from boot module @ 0000000060000000
> (XEN) Allocating 1:1 mappings totalling 512MB for dom0:
> (XEN) BANK[0] 0x00000080000000-0x000000a0000000 (512MB)
> (XEN) Loading zImage from 0000000060000000 to 
> 0000000087c00000-0000000087f10478
> (XEN)
> (XEN) ****************************************
> (XEN) Panic on CPU 0:
> (XEN) Unable to map translate guest address

Can you turn that panic into a BUG_ON please so we can see the register
state.

> (XEN) ****************************************
> (XEN)
> (XEN) Manual reset required ('noreboot' specified)
> 
> Thanks
> - Suriyan



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