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 4DCDC2FE58F for ; Fri, 20 Feb 2026 17:18:30 +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=1771607910; cv=none; b=p9KhjoUoZX5YFe3kPRl7I1zRNZ7wqS/eNtyR/CTL89kYOHbg5Fwxiv5a/pWeSmbOgbyw6NppMfelkCGqIVTq57oJxEqFI3nb/FU69Ti1RCDDf3hcCDXwGroeAnwWfntc7zUdZOB8WWgj9JVNQYrDXhq5wQr2OwJ9Ycba3N+TJ4U= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1771607910; c=relaxed/simple; bh=M+N0WlKY7BgSThGM/+yClxBLHz2rZ2hRtGbDXeUgnkY=; h=From:To:Subject:Date:Message-ID:In-Reply-To:References: Content-Type:MIME-Version; b=ep7V59BOwcDHWR3+6cZEpJg1+Qu1t9jQYX/K3XfZBgGceERtzUivTaZb8kDRTEI/lu4P3328OkvZIj/F6id1h3KrL4vCcldoBy+KyFWBi1vwrkzVM8E/+zkCRr8cL02P96UGHj+d4bppGhrh5gjnsSPjRS0cyT/fFuZaVdQmYyY= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b=jG3FWfIF; 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="jG3FWfIF" Received: by smtp.kernel.org (Postfix) with ESMTPS id ECBE0C2BC86 for ; Fri, 20 Feb 2026 17:18:29 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1771607910; bh=M+N0WlKY7BgSThGM/+yClxBLHz2rZ2hRtGbDXeUgnkY=; h=From:To:Subject:Date:In-Reply-To:References:From; b=jG3FWfIFFXnHLMQFRTxDR6ef+kBKo8p4Y6TMihQT39tirqKWGbhL0gPkvW3ReJDN5 dVQwaU61KPtzJwil9CO/a4jPC0DYpsZHUfRJG+nkiVowcGn8L6Bx+O+KGtDm2z+uhm OCarAJeKRj6j/IgT+ADV0lN+nXShFH25GBV58wNyG4qOQoojbv2pAsz8VLYZX03NQn aIsh+90ulIj5vW3DMU46NRIwpspY6p0AWcg3elumwu/2lQo0DfGgjx1AxyMsB6ZPqP UEHKSUukiC8d0OPamUrESypgxAJ/klVGSX+R5IaG5Ym9Y2GAZTniRS1Wzcamf1Ssux Fc1PV9dTtPAoQ== Received: by aws-us-west-2-korg-bugzilla-1.web.codeaurora.org (Postfix, from userid 48) id E11EAC41613; Fri, 20 Feb 2026 17:18:29 +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 17:18:29 +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: stern@rowland.harvard.edu 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 #14 from Alan Stern (stern@rowland.harvard.edu) --- Have you tried disabling runtime PM? Run any of the test scenarios after booting with "usbcore.autosuspend=3D-1" on the boot command line. --=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.=