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Re: [PATCH RESEND v2 2/2] xen/arm: Enlarge identity map space to 127TiB
- To: "leo.yan@xxxxxxxxxx" <leo.yan@xxxxxxxxxx>
- From: Henry Wang <Henry.Wang@xxxxxxx>
- Date: Tue, 12 Sep 2023 03:01:30 +0000
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- Cc: Julien Grall <julien@xxxxxxx>, Xen-devel <xen-devel@xxxxxxxxxxxxxxxxxxxx>, Stefano Stabellini <sstabellini@xxxxxxxxxx>, Bertrand Marquis <Bertrand.Marquis@xxxxxxx>, Volodymyr Babchuk <Volodymyr_Babchuk@xxxxxxxx>, Alexey Klimov <alexey.klimov@xxxxxxxxxx>
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- Thread-topic: [PATCH RESEND v2 2/2] xen/arm: Enlarge identity map space to 127TiB
Hi Leo,
> On Sep 12, 2023, at 10:41, Leo Yan <leo.yan@xxxxxxxxxx> wrote:
>
> Hi Julien,
>
> On Mon, Sep 11, 2023 at 04:13:27PM +0100, Julien Grall wrote:
>> Hi Leo,
>>
>> I know you said you will respin the series. I'd like to leave some comments
>> to avoid having another round afterwards.
>
> Thanks!
>
>> On 09/09/2023 09:34, Leo Yan wrote:
>>> On some platforms, the memory regions could be:
>>
>> Can you add some details in the commit message on which platform you saw the
>> issue?
>
> Sure, I will add it. The issue happens on the ADLink AVA platform.
At Arm we also test Xen on AVA in our CI, but our setup is based on Yocto
meta-adlink-ampere layer [1].
>
>> Also, in v1, the problem was also depending on the firmware version. Do you
>> know if it fails booting on a new or old firmware?
>
> My colleague Alexey (CCed) and I both tested Xen hypervisor on own AVA
> machine, Alexey produced this issue on his machine with the old
> firmware, I upgraded to the new firmware so I cannot see the issue
> anymore.
>
>>> (XEN) MODULE[0]: 00000807f6df0000 - 00000807f6f3e000 Xen
>>> (XEN) MODULE[1]: 00000807f8054000 - 00000807f8056000 Device Tree
>>> (XEN) MODULE[2]: 00000000fa834000 - 00000000fc5de1d5 Ramdisk
>>> (XEN) MODULE[3]: 00000000fc5df000 - 00000000ffb3f810 Kernel
I tried to dig a bit more about Xen log printed by our AVA setup, and [2] is our
RAM and MODULES setup, just FYI and hopefully it helps.
[1] https://github.com/ADLINK/meta-adlink-ampere
[2] https://pastebin.com/raw/0DQpmJP1
Kind regards,
Henry
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