linux-kernel - Re: usbserial.ko/option.ko on 2.6.23: Unable to handle kernel paging request && inconsistent lock state

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Message-ID: <Pine.LNX.4.64.0710300838280.18815@twin.jikos.cz>
Date:	Tue, 30 Oct 2007 08:42:10 +0100 (CET)
From:	Jiri Kosina <jikos@...os.cz>
To:	Marcin Ślusarz <marcin.slusarz@...il.com>
cc:	linux-kernel@...r.kernel.org, greg@...ah.com
Subject: Re: usbserial.ko/option.ko on 2.6.23: Unable to handle kernel paging
 request && inconsistent lock state

On Mon, 29 Oct 2007, Marcin Ślusarz wrote:

> =================================
> [ INFO: inconsistent lock state ]
> 2.6.23 #8
> ---------------------------------
> inconsistent {hardirq-on-W} -> {in-hardirq-W} usage.
> swapper/0 [HC1[1]:SC0[0]:HE0:SE1] takes:
>  (&port->lock){+...}, at: [<ffffffff880e212c>]
> usb_serial_generic_read_bulk_callback+0x6c/0x1c0 [usbserial]
> {hardirq-on-W} state was registered at:

The fix for this one has already been submitted to Greg -- 
http://lkml.org/lkml/2007/10/28/38

-- 
Jiri Kosina