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Subject: Re: [REGRESSION] cdrom drive doesn't detect removal
From: Maxim Levitsky <maximlevitsky@gmail.com>
To: Kay Sievers <kay.sievers@vrfy.org>
Cc: Tejun Heo <tj@kernel.org>, linux-kernel <linux-kernel@vger.kernel.org>,
        Jens Axboe <axboe@kernel.dk>
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Date: Wed, 15 Sep 2010 02:37:51 +0200
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On Wed, 2010-09-15 at 01:49 +0200, Kay Sievers wrote: 
> On Wed, Sep 15, 2010 at 01:38, Maxim Levitsky <maximlevitsky@gmail.com> wrote:
> > On Tue, 2010-09-14 at 10:07 +0200, Kay Sievers wrote:
> 
> >> Are we sure, that there is something that still polls the drive?
> >> Udisks is only auto-started, when the desktop calls into some D-Bus
> >> methods, unlike HAL where it was an init script.
> >
> > Note that on current vanilla head, I applied the attached manual revert
> > patch, and problem disappears (and probably introduces the same bug that
> > patch supposed to fix).
> 
> Can you please check which process polls the device, and attach an
> strace to it, to see what's going on?
As far as I can tell there is no such process.
(at least sudo fuser /dev/sr0 doesn't show up anything with or without
cd in the drive)


> 
> If there is no such process, does "touch /dev/sr0" create the missing event?
Yes.

Best regards,
Maxim Levitsky