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 2BED93BCD15 for ; Thu, 9 Jul 2026 11:58:32 +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=1783598313; cv=none; b=FrM61Y0K2I/YNlRwaz20/npIOibFmwLLxnoGRwbRmGTb0XSzadmmSgkY2YUOWnciQichFPscwpl1HC8nOuMtCo85aPMp+mwCaKXcCdoBdzUzrPdorDjSWQmBo+6vzjLZU/zN9Ko5mE4l5mQT+X/4unAAUz3UJdNCbWddMNxiOu8= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1783598313; c=relaxed/simple; bh=LNN9EhoifE6OSzINlzB2IQqVkPrhXvBuqvdrmKX1pb4=; h=From:To:Subject:Date:Message-ID:In-Reply-To:References: Content-Type:MIME-Version; b=q449XEDYxGUnR3KIVHcu7A4fVvIcK7WX3CrLv2q0fOunFUNynayhrbXGtZRKKpBHojP1YrjEnMCVk1gJB01ucsfxt/Y1eBU/cOmGsbwfMGEdo7ZMRhdKi4QavhB0k+hx2S6roY/uFjIeaxfh9vnuIcexbmVfdFD1HsRXN5fHmp0= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b=rZq+szqq; 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="rZq+szqq" Received: by smtp.kernel.org (Postfix) with ESMTPS id 9DB2BC2BCF6 for ; Thu, 9 Jul 2026 11:58:32 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1783598312; bh=LNN9EhoifE6OSzINlzB2IQqVkPrhXvBuqvdrmKX1pb4=; h=From:To:Subject:Date:In-Reply-To:References:From; b=rZq+szqqvahxDvnSdh/o5KTiHr9ellSuOy/j4nkMW0GRFm/cf83etspLvaFTGkIz3 atDBFb8oSjy8wQFFPV7+qE8UN3Dz0cBy7gucusuSUDJ0E4B2z7Sgg60kJ/mnfdB+zD OcvAwhgagyf9tBuQCy2RGCeAoep6FIbQ3o6WWXWfA0DETLLP+9ORiMNuvVrEaFHbp7 AqntWioIQ14kGgXw5ZsZZFcTKjiq0NmBMV5bDzEqTVfsXXUdLsZXI2+pusAqVEnu4S 57h/dUt4JArU/jQg/8OFGK3OdKXqzqHBNYkq95JEX1nmP5r0Yeid1YWaNw0UosDfLa XDugijKvQjg+g== Received: by aws-us-west-2-korg-bugzilla-1.web.codeaurora.org (Postfix, from userid 48) id 8C16CC41613; Thu, 9 Jul 2026 11:58:32 +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: Thu, 09 Jul 2026 11:58:32 +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: mario.limonciello@amd.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: cc 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 Mario Limonciello (AMD) (mario.limonciello@amd.com) changed: What |Removed |Added ---------------------------------------------------------------------------- CC| |mario.limonciello@amd.com --- Comment #26 from Mario Limonciello (AMD) (mario.limonciello@amd.com) --- Micha=C5=82 Pecio hypothesized that this could be the same root cause as https://bugzilla.kernel.org/show_bug.cgi?id=3D221073. There is a proposed patch series for that bug that could use some testing to confirm. https://lore.kernel.org/linux-pci/20260708152650.536604-1-mario.limonciello= @amd.com/ Can you see if this helps? --=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.=