Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1757422Ab3GLJHr (ORCPT ); Fri, 12 Jul 2013 05:07:47 -0400 Received: from mail-oa0-f48.google.com ([209.85.219.48]:63954 "EHLO mail-oa0-f48.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1757310Ab3GLJHo (ORCPT ); Fri, 12 Jul 2013 05:07:44 -0400 MIME-Version: 1.0 X-Originating-IP: [121.6.68.144] Date: Fri, 12 Jul 2013 17:07:43 +0800 Message-ID: Subject: BCM57765 card reader: irq nobody cared From: Daniel J Blueman To: "linux-mmc@vger.kernel.org" , Linux Kernel Content-Type: text/plain; charset=ISO-8859-1 Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 3177 Lines: 77 With the Broadcom BCM57765 card reader [1] in my Macbook Pro 10,1 (Mid 2012), we see the sdhci-pci interrupt handler not claim the interrupt generated when the module initialises [2]. Beyond the MMC subsystem output, what other data may be useful in diagnosing this? Many thanks, Daniel --- [1] $ sudo lspci -s 03:00.1 -v 03:00.1 SD Host controller: Broadcom Corporation NetXtreme BCM57765 Memory Card Reader (rev 10) (prog-if 01) Subsystem: Broadcom Corporation Device 96bc Flags: bus master, fast devsel, latency 0, IRQ 17 Memory at c1820000 (64-bit, prefetchable) [size=64K] Capabilities: [48] Power Management version 3 Capabilities: [58] MSI: Enable- Count=1/1 Maskable- 64bit+ Capabilities: [ac] Express Endpoint, MSI 00 Capabilities: [100] Advanced Error Reporting Capabilities: [150] Power Budgeting Capabilities: [160] Virtual Channel Kernel driver in use: sdhci-pci --- [2] sdhci: Secure Digital Host Controller Interface driver sdhci: Copyright(c) Pierre Ossman sdhci-pci 0000:03:00.1: SDHCI controller found [14e4:16bc] (rev 10) mmc0: no vqmmc regulator found mmc0: no vmmc regulator found mmc0: SDHCI controller on PCI [0000:03:00.1] using ADMA [...] irq 17: nobody cared (try booting with the "irqpoll" option) CPU: 0 PID: 0 Comm: swapper/0 Tainted: G W 3.10.0-031000-generic #201306301935 Hardware name: Apple Inc. MacBookPro10,1/Mac-C3EC7CD22292981F, BIOS MBP101.88Z.00EE.B02.1208081132 08/08/2012 ffff8802635cd89c ffff88026f203e48 ffffffff81703460 ffff88026f203e78 ffffffff810f0d6d 000000029d3daf00 ffff8802635cd800 0000000000000011 0000000000000000 ffff88026f203ea8 ffffffff810f1195 0000000000000011 Call Trace: [] dump_stack+0x19/0x1b [] __report_bad_irq+0x3d/0xe0 [] note_interrupt+0x135/0x190 [] handle_irq_event_percpu+0xa9/0x210 [] ? sched_clock+0x9/0x10 [] handle_irq_event+0x4e/0x80 [] handle_fasteoi_irq+0x64/0x120 [] handle_irq+0x22/0x40 [] do_IRQ+0x5a/0xe0 [] common_interrupt+0x6d/0x6d [] ? rcu_eqs_enter_common.isra.48+0x43/0x100 [] ? cpuidle_enter_state+0x61/0xe0 [] ? cpuidle_enter_state+0x57/0xe0 [] cpuidle_idle_call+0xc0/0x220 [] arch_cpu_idle+0xe/0x30 [] cpu_idle_loop+0x7e/0x250 [] cpu_startup_entry+0x6b/0x70 [] rest_init+0x77/0x80 [] start_kernel+0x40c/0x419 [] ? do_early_param+0x87/0x87 [] ? early_idt_handlers+0x120/0x120 [] x86_64_start_reservations+0x2a/0x2c [] x86_64_start_kernel+0xf3/0x102 handlers: [] sdhci_irq [sdhci] Disabling IRQ #17 -- Daniel J Blueman -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/