From: Greg KH <greg@kroah.com>
To: Soeren Sonnenburg <kernel@nn7.de>
Cc: Linux Kernel <linux-kernel@vger.kernel.org>
Subject: Re: usb devices get redetected all the time in 2.6.0-test{7,9}
Date: Wed, 29 Oct 2003 12:01:12 -0800 [thread overview]
Message-ID: <20031029200112.GB4434@kroah.com> (raw)
In-Reply-To: <1067411725.1577.19.camel@localhost>
On Wed, Oct 29, 2003 at 08:15:26AM +0100, Soeren Sonnenburg wrote:
> Hi.
>
> When I attach a camera to a 2.4. based machine hotplug starts up some
> script to download images of that camera and fine thats it.
>
> In 2.6.0-testX I see kernel messages like:
>
> hub 2-0:1.0: new USB device on port 1, assigned address 2
> bus usb: add device 2-1
> bound device '2-1' to driver 'usb'
> bus usb: add device 2-1:1.0
> bus usb: remove device 2-1:1.0
> bus usb: add device 2-1:1.0
> bus usb: remove device 2-1:1.0
> bus usb: add device 2-1:1.0
> bus usb: remove device 2-1:1.0
> bus usb: add device 2-1:1.0
> [...]
>
> and several of these hotplug scripts get started... Is this a wanted
> behaviour and something has to be fixed in userspace or is it a kernel
> bug ?
Does this settle down after a bit, or does the add/remove stuff keep
going on for a while?
Can you enable CONFIG_USB_DEBUG and see if you get any more information
in the kernel debug log as to why this is happening?
thanks,
greg k-h
next prev parent reply other threads:[~2003-10-29 21:15 UTC|newest]
Thread overview: 3+ messages / expand[flat|nested] mbox.gz Atom feed top
2003-10-29 7:15 usb devices get redetected all the time in 2.6.0-test{7,9} Soeren Sonnenburg
2003-10-29 20:01 ` Greg KH [this message]
2003-10-30 6:27 ` Soeren Sonnenburg
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