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 E0FEA337BA5 for ; Fri, 20 Feb 2026 10:07:57 +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=1771582078; cv=none; b=Rh4TuYpWtES0o9H4pOxOoxith7Daot48R0RtjTVuk1ISLVV5KtzGfWTWIR6B3KlcPNsftGbKhMkDdSHiikMCmoaAuRkOlJX2yjpGghACGFYic4gX5jgov9a54Ujxng5E4UfrR4x8+cKwqLtW1n5mmjKuEPSYJ/btYp6dEHsWLcY= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1771582078; c=relaxed/simple; bh=Cn9iy43MRv3kv39EfI1QnSdMij4x9h6g4yVa5rauV8M=; h=From:To:Subject:Date:Message-ID:In-Reply-To:References: Content-Type:MIME-Version; b=GPKSYJ314lqZ8ABcMmAXhbQ0BK7EbAYu6/VX5LQV6aWcc25fcNS2uaz21hGnoTTVVTYf5dxyGq+lBu+mapwc0ZYs2tIAFTu6tWsxgnLPXx88hvkHNvohQ+V/4n79UuyUMqA5YiUibqInBflRAwUqctR/iG0EV14i8VRf3N+9/Hs= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b=usXEsHB9; 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="usXEsHB9" Received: by smtp.kernel.org (Postfix) with ESMTPS id C5362C116C6 for ; Fri, 20 Feb 2026 10:07:57 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1771582077; bh=Cn9iy43MRv3kv39EfI1QnSdMij4x9h6g4yVa5rauV8M=; h=From:To:Subject:Date:In-Reply-To:References:From; b=usXEsHB95i6bdektXQOXr8AGjFQWVaXNzgON5S7i7eUJXIt3V7AHiYsYzh72sPW9U XeaPbJ45yANd3tPWUnvjdcVyOnXopYCUkc3N7AgkMWIgFE+IfGxMZbzsVbrADVXJkH UYf/7oAHLkbipaVWIpyB6pEHLYloalzL5pHkJ4o+oKxqBRoHkvsXd7y0HeidhSC7Gw DC15pXF0XhSRi6Z2oEvtFG/syh6qL9CXdrPhAmSP1R6mWbejzH6EZmIT/4YV/0bzac ODAlfTtyeT0sMdL/FD9WEGvxl49pnEsKDHaBrw/gCAvogIqB3PGpBTYlRz5yGQzB7Z 7XZgGVv3PuWWA== Received: by aws-us-west-2-korg-bugzilla-1.web.codeaurora.org (Postfix, from userid 48) id BD3D4C41613; Fri, 20 Feb 2026 10:07:57 +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 10:07:57 +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: paul@unnservice.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 #9 from Paul Alesius (paul@unnservice.com) --- > Or perhaps simply this would crash it? > while sleep .1 ; do true