From owner-freebsd-bugs@FreeBSD.ORG Mon Oct 13 03:20:02 2008 Return-Path: Delivered-To: freebsd-bugs@hub.freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2001:4f8:fff6::34]) by hub.freebsd.org (Postfix) with ESMTP id 803EE1065691 for ; Mon, 13 Oct 2008 03:20:02 +0000 (UTC) (envelope-from gnats@FreeBSD.org) Received: from freefall.freebsd.org (freefall.freebsd.org [IPv6:2001:4f8:fff6::28]) by mx1.freebsd.org (Postfix) with ESMTP id 5BD658FC14 for ; Mon, 13 Oct 2008 03:20:02 +0000 (UTC) (envelope-from gnats@FreeBSD.org) Received: from freefall.freebsd.org (gnats@localhost [127.0.0.1]) by freefall.freebsd.org (8.14.3/8.14.3) with ESMTP id m9D3K0tG047394 for ; Mon, 13 Oct 2008 03:20:00 GMT (envelope-from gnats@freefall.freebsd.org) Received: (from gnats@localhost) by freefall.freebsd.org (8.14.3/8.14.3/Submit) id m9D3K0t3047393; Mon, 13 Oct 2008 03:20:00 GMT (envelope-from gnats) Resent-Date: Mon, 13 Oct 2008 03:20:00 GMT Resent-Message-Id: <200810130320.m9D3K0t3047393@freefall.freebsd.org> Resent-From: FreeBSD-gnats-submit@FreeBSD.org (GNATS Filer) Resent-To: freebsd-bugs@FreeBSD.org Resent-Reply-To: FreeBSD-gnats-submit@FreeBSD.org, Arthur Hartwig Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2001:4f8:fff6::34]) by hub.freebsd.org (Postfix) with ESMTP id 355531065686 for ; Mon, 13 Oct 2008 03:10:39 +0000 (UTC) (envelope-from nobody@FreeBSD.org) Received: from www.freebsd.org (www.freebsd.org [IPv6:2001:4f8:fff6::21]) by mx1.freebsd.org (Postfix) with ESMTP id 1E5FB8FC13 for ; Mon, 13 Oct 2008 03:10:39 +0000 (UTC) (envelope-from nobody@FreeBSD.org) Received: from www.freebsd.org (localhost [127.0.0.1]) by www.freebsd.org (8.14.3/8.14.3) with ESMTP id m9D3Acha039562 for ; Mon, 13 Oct 2008 03:10:38 GMT (envelope-from nobody@www.freebsd.org) Received: (from nobody@localhost) by www.freebsd.org (8.14.3/8.14.3/Submit) id m9D3AcDs039561; Mon, 13 Oct 2008 03:10:38 GMT (envelope-from nobody) Message-Id: <200810130310.m9D3AcDs039561@www.freebsd.org> Date: Mon, 13 Oct 2008 03:10:38 GMT From: Arthur Hartwig To: freebsd-gnats-submit@FreeBSD.org X-Send-Pr-Version: www-3.1 Cc: Subject: kern/128040: System hangs when PCMCIA-CF adapter plugged into cardbus slot X-BeenThere: freebsd-bugs@freebsd.org X-Mailman-Version: 2.1.5 Precedence: list List-Id: Bug reports List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Mon, 13 Oct 2008 03:20:02 -0000 >Number: 128040 >Category: kern >Synopsis: System hangs when PCMCIA-CF adapter plugged into cardbus slot >Confidential: no >Severity: serious >Priority: medium >Responsible: freebsd-bugs >State: open >Quarter: >Keywords: >Date-Required: >Class: sw-bug >Submitter-Id: current-users >Arrival-Date: Mon Oct 13 03:20:00 UTC 2008 >Closed-Date: >Last-Modified: >Originator: Arthur Hartwig >Release: 6.3 >Organization: Nokia >Environment: >Description: All systems discussed have a TI PCI1520 PCI Cardbus bridge. On system with Celeron 1.5GHz CPU, sometimes when a PCMCIA to Compact Flash adapter containing a Compact Flash card is inserted in the cardbus slot the system hangs. This problem has not been observed in systems with a 2.8GHz XEON CPU or faster. Analysis of the cbb driver shows functional interrupts are routed to PCI BEFORE the interrupt handler for functional interrupts has been registered. >How-To-Repeat: >Fix: Route the functional interrupts to PCI AFTER the functional interrupt handler has been registered. In cbb_power() in sys/dev/pccbb/pccbb.c remove the PCI_MASK_CONFIG(brdev, CBBR_BRIDGECTRL, & ~CBBM_BRIDGECTRL_INTR_IREQ_ISA_EN, 2); and add it to cbb_enable_func_intr() after the exca_putb(&sc->exca[0], EXCA_INTR, reg); >Release-Note: >Audit-Trail: >Unformatted: