From: Andrew Morton <akpm@digeo.com>
To: Andrew McGregor <andrew@indranet.co.nz>,
jt@hpl.hp.com, Thomas Molina <tmolina@cox.net>
Cc: linux-kernel@vger.kernel.org
Subject: Re: [BUG] Oopsen with pcmcia aironet wireless (2.5.47)
Date: Mon, 11 Nov 2002 20:13:40 -0800 [thread overview]
Message-ID: <3DD07FF4.2E1BC593@digeo.com> (raw)
In-Reply-To: 5860000.1037069226@localhost.localdomain
Andrew McGregor wrote:
>
> I see lots of oopsen when I insert an Aironet PC4800 802.11 card.
They are debug warnings, not oopses.
> ...
> Nov 12 15:40:39 localhost kernel: end_request: I/O error, dev hdb, sector 0
> Nov 12 15:40:39 localhost last message repeated 3 times
> Nov 12 15:40:39 localhost kernel: end_request: I/O error, dev hdc, sector 0
> Nov 12 15:40:39 localhost last message repeated 2 times
hm. IDE sick?
> Nov 12 15:40:39 localhost kernel: Debug: sleeping function called from
> illegal context at include/asm/semaphore.h:145
> Nov 12 15:40:39 localhost kernel: Call Trace:
> Nov 12 15:40:39 localhost kernel: [<e1a59215>] PC4500_readrid+0x55/0x160
airo_get_stats is called under the read_lock(&dev_base_lock); which was
taken in dev_get_info. So it may not call sleeping functions (ie:
down_interruptible()).
It would appear that no netdevice->get_stats() method is allowed to sleep,
which seems pretty dumb, IMVHO.
next prev parent reply other threads:[~2002-11-12 4:07 UTC|newest]
Thread overview: 3+ messages / expand[flat|nested] mbox.gz Atom feed top
2002-11-12 2:47 [BUG] Oopsen with pcmcia aironet wireless (2.5.47) Andrew McGregor
2002-11-12 4:13 ` Andrew Morton [this message]
2002-11-12 18:02 ` Jean Tourrilhes
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