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

"Rafael J. Wysocki (Intel)" <[email protected]> Fri, 31 Jul 2026 12:29:36 +0200
Newsgroups dev.linux.lists.regressions,org.kernel.vger.linux-acpi,org.kernel.vger.linux-usb
Message-ID <CAJZ5v0jCFFNuG7WtCE2CG+hP=YNsYMdXH_945QgkgAUcr4Lryg@mail.gmail.com>
On Fri, Jul 31, 2026 at 6:40=E2=80=AFAM Julian Silver <[email protected]> =
wrote:
>
> On 2026-07-31 00:16:27, Rafael J. Wysocki (Intel) wrote:
> > Can you please check if the attached patch (on top of the current
> > mainline) helps?
>
> I tested v7.2-rc5 with or without your patch. Both of them have the -110 =
error.
> Note I add "#include <linux/pm_qos.h>" as the patch does not compile.

All right, so it is not sufficient to avoid deep idle states for the
duration of the EHCI probe.

Please send the output of

grep -r . /sys/devices/system/cpu/cpu*/cpuidle/state*/

from the affected system.