Re: [REGRESSION] usb controller fails to initialize on intel s1200btl

"Rafael J. Wysocki (Intel)" <[email protected]> Thu, 30 Jul 2026 18:16:27 +0200
Newsgroups dev.linux.lists.regressions,org.kernel.vger.linux-acpi,org.kernel.vger.linux-usb
Message-ID <CAJZ5v0jByxtQ2tmNm_ZyyBnDMBNjuqQwD_367NRyGNzF7wQtRw@mail.gmail.com>
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On Thu, Jul 30, 2026 at 5:32=E2=80=AFPM Julian Silver <[email protected]> =
wrote:
>
> On 2026-07-30 21:55:14, Rafael J. Wysocki (Intel) wrote:
> > Does adding "intel_idle.max_cstate=3D1" to the kernel command line also
> > help, by any chance?
>
> Yes. "intel_idle.max_cstate=3D1" also helps (on kernel 7.1.5).

Thanks for checking.

Can you please check if the attached patch (on top of the current
mainline) helps?

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