linux-kernel - Re: pktcdvd oops

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Date:	Tue, 06 Nov 2007 18:06:39 +0900
From:	Tejun Heo <htejun@...il.com>
To:	Peter Osterlund <petero2@...ia.com>
CC:	Jens Axboe <jens.axboe@...cle.com>,
	linux-kernel <linux-kernel@...r.kernel.org>,
	Thomas Maier <balagi@...tmail.de>, gregkh@...e.de
Subject: Re: pktcdvd oops

[Greg cc'd]

Peter Osterlund wrote:
> On Mon, 5 Nov 2007, Jens Axboe wrote:
> 
>> Hi Peter,
>>
>> You don't seem to have a bugzilla account, so could not reassign to you.
>> See http://bugzilla.kernel.org/show_bug.cgi?id=9294
> 
> Problem is repeatable on my computer. It dies in __module_get() on this
> line:
> 
>         BUG_ON(module_refcount(module) == 0);
> 
> I think this is because commit 7b595756ec1f49e0049a9e01a1298d53a7faaa15,
> which states: "Note that with this change, userland holding a sysfs node
> does not prevent the backing module from being unloaded."
> 
> Unfortunately, I don't know how this sysfs stuff is supposed to work,
> and therefore don't know how to fix the problem.

Does this fix the problem?

-- 
tejun

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