Return-path: <linux-wireless-owner@vger.kernel.org>
Received: from crystal.sipsolutions.net ([195.210.38.204]:36859 "EHLO
	sipsolutions.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org
	with ESMTP id S1751896AbXLPUqo (ORCPT
	<rfc822;linux-wireless@vger.kernel.org>);
	Sun, 16 Dec 2007 15:46:44 -0500
Subject: Re: b43 problem with led trigger registration
From: Johannes Berg <johannes@sipsolutions.net>
To: Richard Purdie <rpurdie@openedhand.com>
Cc: Michael Buesch <mb@bu3sch.de>,
	linux-wireless <linux-wireless@vger.kernel.org>,
	Larry Finger <Larry.Finger@lwfinger.net>
In-Reply-To: <1197837799.4653.21.camel@localhost.localdomain>
References: <1197822019.4138.2.camel@johannes.berg>
	 <200712162036.11084.mb@bu3sch.de> <1197835176.6769.21.camel@johannes.berg>
	 <200712162126.56483.mb@bu3sch.de>  <1197837505.6769.25.camel@johannes.berg>
	 <1197837799.4653.21.camel@localhost.localdomain>
Content-Type: text/plain
Date: Sun, 16 Dec 2007 21:46:38 +0100
Message-Id: <1197837998.6769.29.camel@johannes.berg> (sfid-20071216_204650_978330_2650CC8A)
Mime-Version: 1.0
Sender: linux-wireless-owner@vger.kernel.org
List-ID: <linux-wireless.vger.kernel.org>


> Amongst other things it was tested on the Zaurus which has default
> triggers. What is the problem you're seeing?

Odd. The problem is this:

> [   40.209739] BUG: sleeping function called from invalid context at kernel/rwsem.c:47
> [   40.220119] in_atomic():1, irqs_disabled():0
> [   40.230514] Call Trace:
> [   40.240799] [eec2fc90] [c0009198] show_stack+0x4c/0x1ac (unreliable)
> [   40.251247] [eec2fcd0] [c0027a3c] __might_sleep+0xd0/0xf0
> [   40.261620] [eec2fce0] [c004c1d0] down_write+0x24/0x64
> [   40.271974] [eec2fcf0] [c026347c] led_trigger_register+0xbc/0x118
> [   40.282273] [eec2fd10] [f250246c] ieee80211_led_init+0x68/0x160 [mac80211]
> [   40.292837] [eec2fd30] [f24eceb0] ieee80211_register_hw+0x200/0x324 [mac80211]
> [   40.303295] [eec2fd40] [f2523234] b43_probe+0x9a8/0xa04 [b43]
> [   40.313766] [eec2fda0] [f20b06e8] ssb_device_probe+0x50/0xac [ssb]
> [   40.324152] [eec2fdb0] [c0214518] driver_probe_device+0xb8/0x1e8
> [   40.334541] [eec2fdd0] [c021487c] __driver_attach+0xf8/0x124
> [   40.344833] [eec2fdf0] [c0213674] bus_for_each_dev+0x58/0x94
> [   40.355100] [eec2fe20] [c0214328] driver_attach+0x24/0x34
> [   40.365321] [eec2fe30] [c0213af4] bus_add_driver+0x98/0x208
> [   40.375513] [eec2fe50] [c0214b44] driver_register+0x58/0xa0
> [   40.385771] [eec2fe60] [f20aff58] __ssb_driver_register+0x2c/0x3c [ssb]
> [   40.396017] [eec2fe70] [f103e034] b43_init+0x34/0xe8 [b43]
> [   40.406253] [eec2fe80] [c00587e4] sys_init_module+0x154/0x176c
> [   40.416498] [eec2ff40] [c0012054] ret_from_syscall+0x0/0x38

johannes