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From: Greg KH <gregkh@linuxfoundation.org>
To: linux-hotplug@vger.kernel.org
Subject: Re: /dev entry of USB device not disappearing after detach
Date: Sat, 15 Feb 2014 16:52:01 +0000	[thread overview]
Message-ID: <20140215165201.GA9716@kroah.com> (raw)
In-Reply-To: <CABdoFFfdXunfN+q1wJWGJbh9UGzD+9z9257ZXMM_qDhg3X8zTQ@mail.gmail.com>

On Sat, Feb 15, 2014 at 02:38:28PM +0200, Valentina Manea wrote:
> On Fri, Feb 14, 2014 at 8:21 PM, Greg KH <gregkh@linuxfoundation.org> wrote:
> >
> > Also, the kernel is the one now responsible for managing the /dev node
> > creation/removal, through devtmpfs, there shouldn't be any "hotplug"
> > scripts involved in this process, so I doubt it's a userspace issue.
> >
> > you do have CONFIG_DEVTMPFS enabled in your kernel, right?
> >
> 
> Hi Greg,
> 
> It seems I did not have CONFIG_DEVTMPFS and, with this option, the bug
> is no longer reproducible. Since, as I've read, devtmpfs has replaced
> tmpfs, there's no point in further debugging.

Ok, that makes sense, it wasn't a "bug", it was just that nothing was
around to delete the device node at all (udev no longer does this, it
relies on devtmpfs to be present).  So all was working just fine.

thanks,

greg k-h

      parent reply	other threads:[~2014-02-15 16:52 UTC|newest]

Thread overview: 5+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2014-02-14 17:35 /dev entry of USB device not disappearing after detach Valentina Manea
2014-02-14 18:20 ` Greg KH
2014-02-14 18:21 ` Greg KH
2014-02-15 12:38 ` Valentina Manea
2014-02-15 16:52 ` Greg KH [this message]

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