Re: [Xen-devel] [RFC 00/22] xen/arm: Rework the P2M code to follow break-before-make sequence

[Julien Grall <julien.grall@xxxxxxx>]

On 28/07/16 18:46, Tamas K Lengyel wrote:
> Hi Julien,

Hello,

>> I sent this patch series as an RFC because there are still some TODOs
>> in the code (mostly sanity check and possible optimization) and I have
>> done limited testing. However, I think it is a good shape to start reviewing,
>> get more feedback and have wider testing on different board.
> 
> I've tested this series on my Cubietruck but when I try to enable
> xen-access on a domain I get the following errors:
> 
> ~/xen/tools/tests/xen-access# ./xen-access 1 write
> xenaccess init
> max_gpfn = 48000
> starting write 1
> (XEN) traps.c:2569:d1v0 HSR=0x9000004f pc=0xc029eb10 gva=0xc0e013c0
> gpa=0x00000040e013c0
> Error -1 setting all memory to access type 5
> 
> The same thing works fine on the latest staging build, so this series
> introduces some regression along the way.

Well, memaccess is not working on staging. As soon as it is enabled, the console
is flooded with:

traps.c:2503:d1v0 HSR=0x9200004f pc=0xffffff8008579b90 gva=0xffffffc0011bf000 
gpa=0x000000411bf000

And the guest is crashing soon after because it received a data abort.

Regards,

-- 
Julien Grall

_______________________________________________
Xen-devel mailing list
Xen-devel@xxxxxxxxxxxxx
https://lists.xen.org/xen-devel