From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from smtp.kernel.org (aws-us-west-2-korg-mail-1.web.codeaurora.org [10.30.226.201]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 282E331AF3F for ; Fri, 20 Feb 2026 09:17:41 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=10.30.226.201 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1771579062; cv=none; b=UNaLmmqQ5wNNdU0fDibP0fYEglq/922paJRdMneGvsR2gWPzlDklmx9qtE1dIKwzFsp17XxNdlOLorOCWYoqAb9bNtn9K81eZrE+pBOK9UXAG6PG+VHqJvMw+i/XO1cir4OjWj3Fal/r7A3NIEzWm/Bp5DlL6Vtu469xEDlXYws= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1771579062; c=relaxed/simple; bh=fFSqCZAezXM3q12H3NqBLDfTjLx/7lyPf1Iw3fwtHVw=; h=From:To:Subject:Date:Message-ID:In-Reply-To:References: Content-Type:MIME-Version; b=RSbGq5a/voW5tj/PB04ofZvbzKzgxrRN4oPedahu2q6E7SDrrWroX7SVpO4E1IHuRaowaT1k1CNeP1pKaUi77wTOES3c30S7dEoAstw/JyFuyTmmH8VXXn5PA7qBsiuN6pp8T8KFgCJyq0A53Fu8D49qtCoBU2Aa4OaPeZDwnJ4= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b=taKaamYN; arc=none smtp.client-ip=10.30.226.201 Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b="taKaamYN" Received: by smtp.kernel.org (Postfix) with ESMTPS id B4EAEC19424 for ; Fri, 20 Feb 2026 09:17:41 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1771579061; bh=fFSqCZAezXM3q12H3NqBLDfTjLx/7lyPf1Iw3fwtHVw=; h=From:To:Subject:Date:In-Reply-To:References:From; b=taKaamYNO7hSPeuwJmzWS/JwowzK8jP0a6V354DK7GVaSJChUNaCZ/a5Nm8huIZ16 8oLl6qJ+1rRGFJjOEPVPXAhZDy84zJMAX3a91TXcKIe3ofxvPzzdUYD7m06oymXFta p9ZgJY1smzTB5djLy7n5eulwkt1iTkTsOMZU8cphROEN/SISl45fw7yplY9bAKRVQv HG1y1TjVl9wJD3bf+JU/vJMjcpFPV+mErLSF/lQcxfin9GHAimoaAv+hp9w41Fpwvw 5xgn6oHu4kqmAzFZ8QXiSIeT7g4txefFgP4+dPktdKd350Dlq8dHa1mPU36n2C+Y8l YtrU55Dtn4ypg== Received: by aws-us-west-2-korg-bugzilla-1.web.codeaurora.org (Postfix, from userid 48) id ACDE8C433E1; Fri, 20 Feb 2026 09:17:41 +0000 (UTC) From: bugzilla-daemon@kernel.org To: linux-usb@vger.kernel.org Subject: [Bug 221103] xhci_hcd: System lockup under CPU load during usbfs polling of USB devices on AMD platforms Date: Fri, 20 Feb 2026 09:17:41 +0000 X-Bugzilla-Reason: None X-Bugzilla-Type: changed X-Bugzilla-Watch-Reason: AssignedTo drivers_usb@kernel-bugs.kernel.org X-Bugzilla-Product: Drivers X-Bugzilla-Component: USB X-Bugzilla-Version: 2.5 X-Bugzilla-Keywords: X-Bugzilla-Severity: normal X-Bugzilla-Who: greg@kroah.com X-Bugzilla-Status: NEW X-Bugzilla-Resolution: X-Bugzilla-Priority: P3 X-Bugzilla-Assigned-To: drivers_usb@kernel-bugs.kernel.org X-Bugzilla-Flags: X-Bugzilla-Changed-Fields: Message-ID: In-Reply-To: References: Content-Type: text/plain; charset="UTF-8" Content-Transfer-Encoding: quoted-printable X-Bugzilla-URL: https://bugzilla.kernel.org/ Auto-Submitted: auto-generated Precedence: bulk X-Mailing-List: linux-usb@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 https://bugzilla.kernel.org/show_bug.cgi?id=3D221103 --- Comment #4 from Greg Kroah-Hartman (greg@kroah.com) --- On Fri, Feb 20, 2026 at 08:31:37AM +0000, bugzilla-daemon@kernel.org wrote: > https://bugzilla.kernel.org/show_bug.cgi?id=3D221103 >=20 > --- Comment #2 from Paul Alesius (paul@unnservice.com) --- > Try this command: sudo ./usb_poll >=20 > 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? --=20 You may reply to this email to add a comment. You are receiving this mail because: You are watching the assignee of the bug.=