From: "John W. Linville" <linville@tuxdriver.com>
To: Larry Finger <larry.finger@lwfinger.net>
Cc: Johannes Berg <johannes@sipsolutions.net>,
linux-wireless <linux-wireless@vger.kernel.org>,
Michael Buesch <mb@bu3sch.de>
Subject: Re: b43 problem with led trigger registration
Date: Sun, 16 Dec 2007 13:00:06 -0500 [thread overview]
Message-ID: <20071216180006.GA3606@tuxdriver.com> (raw)
In-Reply-To: <47655E26.2040309@lwfinger.net>
On Sun, Dec 16, 2007 at 09:19:34AM -0800, Larry Finger wrote:
> Johannes Berg wrote:
>> Hi,
>>
>> Just booted into my shiny new #everything and got:
>>
>> [ 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
>>
>> I haven't found yet where the atomic is entered...
>
> Is your system "vanilla" wireless-2.6, or does it include the LED switch
> patch (http://marc.info/?l=linux-wireless&m=119763729709783&w=2)?
Not sure what you mean by "vanilla"...that patch is in
wireless-2.6#everything as of last night.
There are not any new mac80211 patches in there yet -- does your fix
depend on a pending mac80211 patch?
FWIW, I don't see anything obvious in a quick code inspection.
I presume that Larry and Michael tested this on the previous iteration
of wireless-2.6 which was based on 2.6.24-rc3. Any chance that
something in the rc3->rc5 difference accounts for this?
John
--
John W. Linville
linville@tuxdriver.com
next prev parent reply other threads:[~2007-12-16 18:30 UTC|newest]
Thread overview: 18+ messages / expand[flat|nested] mbox.gz Atom feed top
2007-12-16 16:20 b43 problem with led trigger registration Johannes Berg
2007-12-16 17:19 ` Larry Finger
2007-12-16 17:59 ` Johannes Berg
2007-12-16 18:00 ` John W. Linville [this message]
2007-12-16 18:50 ` Johannes Berg
2007-12-16 19:36 ` Michael Buesch
2007-12-16 19:59 ` Johannes Berg
2007-12-16 20:26 ` Michael Buesch
2007-12-16 20:38 ` Johannes Berg
2007-12-16 20:43 ` Richard Purdie
2007-12-16 20:46 ` Johannes Berg
2007-12-16 20:57 ` Michael Buesch
2007-12-16 22:09 ` Richard Purdie
2007-12-16 22:17 ` Johannes Berg
2007-12-16 22:32 ` Richard Purdie
2007-12-16 22:39 ` Johannes Berg
2007-12-16 21:00 ` Johannes Berg
2007-12-16 21:16 ` Larry Finger
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