From: Jens Axboe <axboe@suse.de>
To: James Bottomley <James.Bottomley@SteelEye.com>
Cc: SCSI Mailing List <linux-scsi@vger.kernel.org>
Subject: Re: queue <-> sdev reference counting problem
Date: Mon, 21 Mar 2005 16:54:15 +0100 [thread overview]
Message-ID: <20050321155414.GI25452@suse.de> (raw)
In-Reply-To: <1111419828.5504.11.camel@mulgrave>
On Mon, Mar 21 2005, James Bottomley wrote:
> On Mon, 2005-03-21 at 15:59 +0100, Jens Axboe wrote:
> > This is not even enough, since the queue lock is embedded in sdev
> > structure. Guys, this is a serious issue. Oopsing a kernel is trivial
> > with a hotplug device like a usb stick.
>
> Do you have the instructions to reproduce and a trace ... I've got a USB
> pendrive I can try with.
Let a little app open/close the device, run that. Then remove and
reinsert the device, boom.
--
Jens Axboe
prev parent reply other threads:[~2005-03-21 15:54 UTC|newest]
Thread overview: 4+ messages / expand[flat|nested] mbox.gz Atom feed top
2005-03-18 11:36 queue <-> sdev reference counting problem Jens Axboe
2005-03-21 14:59 ` Jens Axboe
2005-03-21 15:43 ` James Bottomley
2005-03-21 15:54 ` Jens Axboe [this message]
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