From: Greg KH <greg@kroah.com>
To: linux-kernel@vger.kernel.org
Cc: Alexander Hoogerhuis <alexh@ihatent.com>
Subject: Re: Sleeping in illegal context with 2.5.65-mm2
Date: Wed, 19 Mar 2003 20:39:32 -0800 [thread overview]
Message-ID: <20030320043931.GC18787@kroah.com> (raw)
In-Reply-To: <87fzpi217i.fsf@lapper.ihatent.com>
On Thu, Mar 20, 2003 at 03:58:41AM +0100, Alexander Hoogerhuis wrote:
> Caught this one while booting my laptop:
>
> drivers/usb/core/usb.c: registered new driver hci_usb
> Module bluetooth cannot be unloaded due to unsafe usage in include/linux/module.h:457
> Debug: sleeping function called from illegal context at mm/slab.c:1723
> Call Trace:
> [<c0119d92>] __might_sleep+0x5f/0x65
> [<c013a097>] kmalloc+0x88/0x8f
> [<c0238111>] usb_alloc_urb+0x21/0x51
> [<f09180bc>] hci_usb_enable_intr+0x20/0xf8 [hci_usb]
The call to usb_alloc_urb() here is being done with the GFP_ATOMIC flag,
which is correct. Do we need to fix up the warning message to prevent
false positives like this from happening?
thanks,
greg k-h
next prev parent reply other threads:[~2003-03-20 4:40 UTC|newest]
Thread overview: 5+ messages / expand[flat|nested] mbox.gz Atom feed top
2003-03-20 2:58 Sleeping in illegal context with 2.5.65-mm2 Alexander Hoogerhuis
2003-03-20 4:39 ` Greg KH [this message]
2003-03-20 5:03 ` Kai Germaschewski
2003-03-20 5:05 ` Greg KH
2003-03-24 21:44 ` Max Krasnyansky
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