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 E8BD7318ED2 for ; Fri, 20 Feb 2026 09:40:05 +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=1771580406; cv=none; b=si+eeQhMplvW5dDbcPIfvDzvGV7GZsv1zsZpvJhudMI5Z6tcHd6Jur4Ptlrw3r5fvZAE7lxWeOc4I2bk4XXlVO57qYrq31bROT4jv2IEoGX7dt0uQ6HxSPgSZ2RP7DHl7lRW7wLkYeY8eiEVtOh9LzzZv6mzNn9T9LbEKqvI/vY= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1771580406; c=relaxed/simple; bh=97jmE8h/rLxbNEsxk7Q0LiwkIpCdnj7sqHxvZP/DMbY=; h=From:To:Subject:Date:Message-ID:In-Reply-To:References: Content-Type:MIME-Version; b=Qt6GxTtsH0mOUvjd20pOgrKubNkH58PCKhZtf1P3TZ4cBnCHFJBiCGBGdg/PdRpLPnXct5ueV+iLhgqKnblFHty8D3LisJ67FfMcH8baWDDpKvuLQMUraCVYukaiGSHffal8NLG5hS9uwJt9COgW/BGJkqHSJDvyWicc4n45AnE= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b=JImijxWx; 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="JImijxWx" Received: by smtp.kernel.org (Postfix) with ESMTPS id 88BF3C116D0 for ; Fri, 20 Feb 2026 09:40:05 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1771580405; bh=97jmE8h/rLxbNEsxk7Q0LiwkIpCdnj7sqHxvZP/DMbY=; h=From:To:Subject:Date:In-Reply-To:References:From; b=JImijxWxRV6VfyHN9uuv6htF4rE9Ja7BxCjJnCGyz13FU3397xj4MIr6dOMwTpls0 5jH2KYNNDuotarVayzsCPHjn/M1q9rXfso8oGEqLwNQg8mLrA6H/+cgKqjiTfmQDPp w9lRAZAlvXywCd8cXC2JuSr2K0wy09LxGxfD/RS70B7f28mvPwFK3I3s5tOkPchwK8 l4No6qjKxjNIBclO0uTc+Eu2NtbEHVzyxm8GMA8V5qEJcD9NBfaPEEscJ190+TTJ1Z FMSXTK6mf/lA9HyzqCM2x9Y977hbQ30JlQmi/3Nui6tMyR9eqhB9NaiLUZgMCNIphL tV+Kzx1BQrQSw== Received: by aws-us-west-2-korg-bugzilla-1.web.codeaurora.org (Postfix, from userid 48) id 739ECC3279F; Fri, 20 Feb 2026 09:40:05 +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 09:40:05 +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: michal.pecio@gmail.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 #8 from Micha=C5=82 Pecio (michal.pecio@gmail.com) --- Or perhaps simply this would crash it? while sleep .1 ; do true