From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1754816AbbINRIP (ORCPT ); Mon, 14 Sep 2015 13:08:15 -0400 Received: from mail-la0-f48.google.com ([209.85.215.48]:36229 "EHLO mail-la0-f48.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752904AbbINRIO (ORCPT ); Mon, 14 Sep 2015 13:08:14 -0400 From: Mikael Pettersson X-Google-Original-From: "Mikael Pettersson" MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Transfer-Encoding: 7bit Message-ID: <22006.65274.114552.472501@gargle.gargle.HOWL> Date: Mon, 14 Sep 2015 19:08:10 +0200 To: linux-kernel@vger.kernel.org Cc: Greg Kroah-Hartman Subject: [4.3-rc1 regression] modular 8250 doesn't load Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org I have CONFIG_SERIAL_8250=m. With 4.2 '/sbin/modprobe 8250' worked and resulted in: [ 41.354550] Serial: 8250/16550 driver, 4 ports, IRQ sharing disabled [ 41.375156] serial8250: ttyS0 at I/O 0x3f8 (irq = 4, base_baud = 115200) is a 16550A With 4.3-rc1 however the command fails and logs the following: [ 34.140300] 8250_base: module license 'unspecified' taints kernel. [ 34.141846] Disabling lock debugging due to kernel taint [ 34.143388] 8250_base: Unknown symbol uart_insert_char (err 0) [ 34.144908] 8250_base: Unknown symbol uart_handle_dcd_change (err 0) [ 34.146439] 8250_base: Unknown symbol __pm_runtime_resume (err 0) [ 34.147901] 8250_base: Unknown symbol tty_termios_encode_baud_rate (err 0) [ 34.149354] 8250_base: Unknown symbol uart_handle_cts_change (err 0) [ 34.150798] 8250_base: Unknown symbol __pm_runtime_suspend (err 0) [ 34.152240] 8250_base: Unknown symbol nr_irqs (err 0) Relevant .config fragments: CONFIG_MODULES=y CONFIG_MODULE_UNLOAD=y CONFIG_MODVERSIONS=y # CONFIG_SERIAL_NONSTANDARD is not set CONFIG_SERIAL_8250=m # CONFIG_SERIAL_8250_DEPRECATED_OPTIONS is not set # CONFIG_SERIAL_8250_PNP is not set # CONFIG_SERIAL_8250_PCI is not set CONFIG_SERIAL_8250_NR_UARTS=4 CONFIG_SERIAL_8250_RUNTIME_UARTS=4 # CONFIG_SERIAL_8250_EXTENDED is not set # CONFIG_SERIAL_8250_DW is not set # CONFIG_SERIAL_8250_FINTEK is not set # CONFIG_SERIAL_UARTLITE is not set CONFIG_SERIAL_CORE=m # CONFIG_SERIAL_JSM is not set # CONFIG_SERIAL_SCCNXP is not set # CONFIG_SERIAL_SC16IS7XX is not set # CONFIG_SERIAL_ALTERA_JTAGUART is not set # CONFIG_SERIAL_ALTERA_UART is not set # CONFIG_SERIAL_ARC is not set # CONFIG_SERIAL_RP2 is not set # CONFIG_SERIAL_FSL_LPUART is not set /Mikael