From owner-freebsd-current@FreeBSD.ORG Wed Jul 8 01:13:56 2009 Return-Path: Delivered-To: freebsd-current@freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2001:4f8:fff6::34]) by hub.freebsd.org (Postfix) with ESMTP id 4407C106564A for ; Wed, 8 Jul 2009 01:13:56 +0000 (UTC) (envelope-from gnemmi@gmail.com) Received: from mail-gx0-f210.google.com (mail-gx0-f210.google.com [209.85.217.210]) by mx1.freebsd.org (Postfix) with ESMTP id EE4D38FC0A for ; Wed, 8 Jul 2009 01:13:55 +0000 (UTC) (envelope-from gnemmi@gmail.com) Received: by gxk6 with SMTP id 6so5969704gxk.19 for ; Tue, 07 Jul 2009 18:13:55 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=gamma; h=domainkey-signature:received:received:from:to:subject:date :user-agent:mime-version:content-type:content-transfer-encoding :content-disposition:message-id; bh=8r9VcR/dairu7yzmaG01hBTvT/yzCxfOhtyCl9to4zQ=; b=nmhAZ+MEFMlDhI4VihDCpsGp1QEuWMjcFZALETNKBOV7b3qQs0eDxg9ufVjAwBcGjg 4CbRsrdq/Q73VyjA6iu50HRJh77qzQDvXJoDODjGXsOj0AvuTyX5K/GH5z4yDQMjPh5C j1sj5oKaXM3PlcBYShWqNBOHa3MR+2UbWSqPM= DomainKey-Signature: a=rsa-sha1; c=nofws; d=gmail.com; s=gamma; h=from:to:subject:date:user-agent:mime-version:content-type :content-transfer-encoding:content-disposition:message-id; b=AjuXEgJ0BdPnv547DkvU/M5MdJRmXAFt/c2GLhqjF7PQyxnKXH4XI/HwAdmudwtABT EdIOvv3/7XnNJXNda7S/jLq4M6HYhQqB2/ub3RjAw4krqXmFA64tTSqkckG0XFr/xBtt r/lk0+RhPArVgkt3ncOlFM1oXwgmNpMJ+3hJ8= Received: by 10.90.86.9 with SMTP id j9mr796234agb.13.1247015635197; Tue, 07 Jul 2009 18:13:55 -0700 (PDT) Received: from ?192.168.1.100? ([190.177.209.40]) by mx.google.com with ESMTPS id 9sm1109274agb.35.2009.07.07.18.13.54 (version=TLSv1/SSLv3 cipher=RC4-MD5); Tue, 07 Jul 2009 18:13:54 -0700 (PDT) From: Gonzalo Nemmi To: freebsd-current@freebsd.org Date: Tue, 7 Jul 2009 22:14:01 -0300 User-Agent: KMail/1.9.10 MIME-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Content-Disposition: inline Message-Id: <200907072214.01645.gnemmi@gmail.com> Subject: LOR on kldunload snd_hda 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: Wed, 08 Jul 2009 01:13:56 -0000 log in kldload snd_hda cat /dev/sndstat FreeBSD Audio Driver (newpcm: 32 bit 20090615000/i386) Installed devices: pcm0: at cad 0 nid 1 on hdac0 kld snd_hda [MPSAFE] (1p:1v/1r:1v channels duplex default) mixer Mixer vol is currently set to 75:75 Mixer pcm is currently set to 75:75 Mixer speaker is currently set to 75:75 Mixer mic is currently set to 0:0 Mixer rec is currently set to 0:0 "insert cd" cdcontrol -f /dev/acd0 play 1 "no sound at all" cdcontrol eject kldunload snd_hda Jul 7 21:44:15 gargoyle login: ROOT LOGIN (root) ON ttyv0 Jul 7 21:54:27 gargoyle kernel: hdac0: mem 0xf6dfc000-0xf6dfffff irq 21 at device 27.0 on pci0 Jul 7 21:54:27 gargoyle kernel: hdac0: HDA Driver Revision: 20090624_0136 Jul 7 21:54:27 gargoyle kernel: hdac0: [ITHREAD] Jul 7 21:54:27 gargoyle kernel: hdac0: HDA Codec #0: Sigmatel STAC9228X Jul 7 21:54:27 gargoyle kernel: pcm0: at cad 0 nid 1 on hdac0 Jul 7 22:03:27 gargoyle kernel: lock order reversal: Jul 7 22:03:27 gargoyle kernel: 1st 0xc0da8cdc kernel linker (kernel linker) @ /usr/src/sys/kern/kern_linker.c:1079 Jul 7 22:03:27 gargoyle kernel: 2nd 0xc0daa4e4 sysctl lock (sysctl lock) @ /usr/src/sys/kern/kern_sysctl.c:255 Jul 7 22:03:27 gargoyle kernel: KDB: stack backtrace: Jul 7 22:03:27 gargoyle kernel: db_trace_self_wrapper(c0c5b564,e6df7ac0,c08b5b35,c08a68db,c0c5e3f9,...) at db_trace_self_wrapper+0x26 Jul 7 22:03:27 gargoyle kernel: kdb_backtrace(c08a68db,c0c5e3f9,c452cae8,c452ad40,e6df7b1c,...) at kdb_backtrace+0x29 Jul 7 22:03:27 gargoyle kernel: _witness_debugger(c0c5e3f9,c0daa4e4,c0c58fbb,c452ad40,c0c58ec2,...) at _witness_debugger+0x25 Jul 7 22:03:27 gargoyle kernel: witness_checkorder(c0daa4e4,9,c0c58ec2,ff,0,...) at witness_checkorder+0x839 Jul 7 22:03:27 gargoyle kernel: _sx_xlock(c0daa4e4,0,c0c58ec2,ff,0,...) at _sx_xlock+0x85 Jul 7 22:03:27 gargoyle kernel: sysctl_ctx_free(c4d7379c,0,c4e1c712,4a1,c4ca9480,...) at sysctl_ctx_free+0x30 Jul 7 22:03:27 gargoyle kernel: pcm_unregister(c488f800,c4da3860,c0d3b6c8,a3c,c4887a80,...) at pcm_unregister+0x4e1 Jul 7 22:03:27 gargoyle kernel: device_detach(c488f800,c0865663,c0da9df0,c4dd22d4,c4a95100,...) at device_detach+0x8c Jul 7 22:03:27 gargoyle kernel: driver_module_handler(c4887a80,1,c4dd22d4,109,0,...) at driver_module_handler+0x29c Jul 7 22:03:27 gargoyle kernel: module_unload(c4887a80,c0c54c7c,273,270,c08592b6,...) at module_unload+0x43 Jul 7 22:03:27 gargoyle kernel: linker_file_unload(c4a92600,0,c0c54c7c,437,c4dba000,...) at linker_file_unload+0x15e Jul 7 22:03:27 gargoyle kernel: kern_kldunload(c4ca9480,2,0,e6df7d2c,c0b98e73,...) at kern_kldunload+0xd5 Jul 7 22:03:27 gargoyle kernel: kldunloadf(c4ca9480,e6df7cf8,8,c0c5f4bb,c0d3f0b0,...) at kldunloadf+0x2b Jul 7 22:03:27 gargoyle kernel: syscall(e6df7d38) at syscall+0x2a3 Jul 7 22:03:27 gargoyle kernel: Xint0x80_syscall() at Xint0x80_syscall+0x20 Jul 7 22:03:27 gargoyle kernel: --- syscall (444, FreeBSD ELF32, kldunloadf), eip = 0x280d573b, esp = 0xbfbfe47c, ebp = 0xbfbfecc8 --- Jul 7 22:03:27 gargoyle kernel: pcm0: detached Jul 7 22:03:27 gargoyle kernel: hdac0: detached Any pointers?? Best Regards Gonzalo -- Blessings Gonzalo Nemmi