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Fri, 20 Feb 2026 04:17:36 -0500 (EST) Date: Fri, 20 Feb 2026 10:17:34 +0100 From: Greg KH To: bugzilla-daemon@kernel.org Cc: linux-usb@vger.kernel.org Subject: Re: [Bug 221103] xhci_hcd: System lockup under CPU load during usbfs polling of USB devices on AMD platforms Message-ID: <2026022000-culminate-budget-b57e@gregkh> References: Precedence: bulk X-Mailing-List: linux-usb@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: On Fri, Feb 20, 2026 at 08:31:37AM +0000, bugzilla-daemon@kernel.org wrote: > https://bugzilla.kernel.org/show_bug.cgi?id=221103 > > --- Comment #2 from Paul Alesius (paul@unnservice.com) --- > Try this command: sudo ./usb_poll > > It is definitely in USB. > This program triggers the system freeze reliably. > Many of us are affected, as referenced in the ADB bug. Works just fine for me here, perhaps this is a bug in your USB device (or hub) that can not handle USB config requests?