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Thu, 30 Jul 2026 08:33:17 -0700 (PDT) Message-ID: <692c652e-2be5-4fdb-b0f2-4d63bc72253b@gmail.com> Date: Thu, 30 Jul 2026 23:33:11 +0800 Precedence: bulk X-Mailing-List: linux-acpi@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 User-Agent: Mozilla Thunderbird Subject: Re: [REGRESSION] usb controller fails to initialize on intel s1200btl To: Greg KH Cc: rafael.j.wysocki@intel.com, linux-acpi@vger.kernel.org, linux-usb@vger.kernel.org, regressions@lists.linux.dev References: <3353bdf3-4f33-44b1-809b-b0378bee5816@gmail.com> <2026073005-rarity-devouring-721a@gregkh> Content-Language: en-US From: Julian Silver In-Reply-To: <2026073005-rarity-devouring-721a@gregkh> Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 7bit On 2026-07-30 22:06:28, Greg KH wrote: > Does that option work around the issue? Yes. USB device works after adding that parameter to kernel 7.1.5 > And that's a very old commit, odd that this just shows up now? It's a headless server. The USB ports are rarely used; thus it takes a long time for me to notice. Other people encountered this issue: https://discussion.fedoraproject.org/t/usb-2-0-ports-dont-work-in-fedora-43-kde-plasma/188113 https://darkranger.no-ip.org/content/rhel-9-usb-%E5%A4%B1%E6%95%88%E5%95%8F%E9%A1%8C However, their methods do not work for me. Toggling "Legacy USB Support" does not help, and there is no "EHCI Handoff" option in the BIOS settings