From owner-freebsd-current@FreeBSD.ORG Mon Apr 16 18:49:12 2007 Return-Path: X-Original-To: freebsd-current@freebsd.org Delivered-To: freebsd-current@freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [69.147.83.52]) by hub.freebsd.org (Postfix) with ESMTP id 2AB9016A402 for ; Mon, 16 Apr 2007 18:49:12 +0000 (UTC) (envelope-from emaste@phaedrus.sandvine.ca) Received: from gw.sandvine.com (gw.sandvine.com [199.243.201.138]) by mx1.freebsd.org (Postfix) with ESMTP id CDC2313C457 for ; Mon, 16 Apr 2007 18:49:11 +0000 (UTC) (envelope-from emaste@phaedrus.sandvine.ca) Received: from labgw2.phaedrus.sandvine.com ([192.168.3.11]) by gw.sandvine.com with Microsoft SMTPSVC(6.0.3790.1830); Mon, 16 Apr 2007 14:22:37 -0400 Received: by labgw2.phaedrus.sandvine.com (Postfix, from userid 12627) id 3EF6F115FC; Mon, 16 Apr 2007 14:22:37 -0400 (EDT) Date: Mon, 16 Apr 2007 14:22:37 -0400 From: Ed Maste To: freebsd-current@freebsd.org Message-ID: <20070416182237.GA51968@sandvine.com> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline User-Agent: Mutt/1.4.2.1i X-OriginalArrivalTime: 16 Apr 2007 18:22:37.0427 (UTC) FILETIME=[35F5FC30:01C78054] Subject: ACPI related LOR and panic X-BeenThere: freebsd-current@freebsd.org X-Mailman-Version: 2.1.5 Precedence: list List-Id: Discussions about the use of FreeBSD-current List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Mon, 16 Apr 2007 18:49:12 -0000 After upgrading my laptop to -CURRENT as of last Friday I get the LOR and panic below. The previous kernel was from Feb. 14th and is fine. Sleeping on "acsem" with the following non-sleepable locks held: exclusive sleep mutex ACPI EC lock r = 0 (0xc2eb4db4) locked @ /d2/emaste/HEAD/src/sys/modules/acpi/acpi/../../../dev/acpica/acpi_ec.c:323 exclusive sleep mutex acpi subsystem GPE lock r = 0 (0xc2e8db00) locked @ /d2/emaste/HEAD/src/sys/modules/acpi/acpi/../../../dev/acpica/Osd/OsdSynch.c:377 KDB: stack backtrace: db_trace_self_wrapper(c094e32c) at db_trace_self_wrapper+0x25 kdb_backtrace(2,c2e886c0,c2e89360,0,d4f44b88,...) at kdb_backtrace+0x29 witness_warn(5,c2e8d980,c094bc26,c0d4a56b) at witness_warn+0x192 _sleep(c2e8d980,c2e8d980,100,c0d4a56b,0,...) at _sleep+0x42 AcpiOsWaitSemaphore(c2e8d980,1,ffff,c2e8da00,15,...) at AcpiOsWaitSemaphore+0x140 AcpiExSystemWaitSemaphore(c2e8d980,ffff,d4f44c38,c0d1e189,3e8,...) at AcpiExSystemWaitSemaphore+0x41 AcpiEvAcquireGlobalLock(3e8,3e8,c2eb4dd0,d4f44c54,c0d1b8ce,...) at AcpiEvAcquireGlobalLock+0x5e AcpiExAcquireMutexObject(3e8,c2e8da00,15,0,c2eb4d80,...) at AcpiExAcquireMutexObject+0x6d AcpiAcquireGlobalLock(3e8,c2eb4dd0,c2e8b06c,9,c2eaca9b,...) at AcpiAcquireGlobalLock+0x2e EcGpeHandler(c2eb4d80,1,c2eacac0,d4f44cbc,c0d19862,...) at EcGpeHandler+0xfa AcpiEvGpeDispatch(c2e8b06c,9,1b,1,0,...) at AcpiEvGpeDispatch+0x9b AcpiEvGpeDetect(c2e790a0,c2eac9c0,d4f44ce4,c06ab63d,c2e790a0,...) at AcpiEvGpeDetect+0xd2 AcpiEvSciXruptHandler(c2e790a0) at AcpiEvSciXruptHandler+0x13 ithread_execute_handlers(c2e886c0,c2d9c000) at ithread_execute_handlers+0x121 ithread_loop(c2e790b0,d4f44d38) at ithread_loop+0x67 fork_exit(c06ab6fc,c2e790b0,d4f44d38) at fork_exit+0xac fork_trampoline() at fork_trampoline+0x8 --- trap 0, eip = 0, esp = 0xd4f44d70, ebp = 0 --- panic: Trying sleep, but thread marked as sleeping prohibited - Ed