linux-kernel - Re: [PATCH] usbcore: Limit number of 'unable to enumerate USB device' messages

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Message-ID: <20081023233619.GA21531@suse.de>
Date:	Thu, 23 Oct 2008 16:36:19 -0700
From:	Greg KH <gregkh@...e.de>
To:	Larry Finger <Larry.Finger@...inger.net>
Cc:	linux-usb@...r.kernel.org, LKML <linux-kernel@...r.kernel.org>
Subject: Re: [PATCH] usbcore: Limit number of 'unable to enumerate USB
	device' messages

On Thu, Oct 23, 2008 at 04:35:01PM -0700, Larry Finger wrote:
> In my system, a number of messages that state "unable to enumerate USB device"
> are logged. These are intermittent and likely due to some race condition
> at bootup.
> 
> Some of these happen when the EHCI driver is loaded after UHCI or OHCI, which
> causes the device to be switched away from the other controller that's trying
> to enumerate it, at least momentarily. This type of message is logged at most
> once for each hub and occurs in about 70% of my reboots.

What kernel version are you having these problems with?

thanks,

greg k-h
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