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Re: Cpufreq drivers not working on T480S
- To: Milky <milky_way_303030@xxxxxxxxx>
- From: Jan Beulich <jbeulich@xxxxxxxx>
- Date: Thu, 15 Jan 2026 09:44:52 +0100
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- Cc: "xen-devel@xxxxxxxxxxxxxxxxxxxx" <xen-devel@xxxxxxxxxxxxxxxxxxxx>, Jason Andryuk <jandryuk@xxxxxxxxx>
- Delivery-date: Thu, 15 Jan 2026 08:44:58 +0000
- List-id: Xen developer discussion <xen-devel.lists.xenproject.org>
On 15.01.2026 09:40, Milky wrote:
> On Thursday, January 15th, 2026 at 10:51 AM, Jan Beulich <jbeulich@xxxxxxxx>
> wrote:
>> On 15.01.2026 00:42, Milky wrote:
>>> In that case, would you say this is settled now? Would it make sense to
>>> report back to the QubesOS community that librebooted T480/S will run
>>> underclocked, due to the missing data in ACPI tables and lack of native
>>> support in Xen? This information is important, as the device is only barely
>>> usable.
>>
>> What to suggest to the Qubes community needs to be discussed there, I think.
>
> I was just hoping to confirm with you that my understanding is correct, in
> order not to pass the wrong information. In fact I intend to report this to
> the libreboot/coreboot community too, in case there is a way to include the
> missing data in ACPI tables. But first I wanted to make sure that from the
> Xen perspective, we got to the bottom of it.
Well, "got to the bottom" builds upon the needed ACPI data indeed being absent.
Which I can't confirm, only you can.
Jan
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