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From: Greg KH <gregkh@suse.de>
To: Larry Finger <Larry.Finger@lwfinger.net>
Cc: linux-usb@vger.kernel.org, LKML <linux-kernel@vger.kernel.org>
Subject: Re: [PATCH] usbcore: Limit number of 'unable to enumerate USB device' messages
Date: Thu, 23 Oct 2008 16:36:19 -0700	[thread overview]
Message-ID: <20081023233619.GA21531@suse.de> (raw)
In-Reply-To: <49010A25.6020702@lwfinger.net>

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

  reply	other threads:[~2008-10-23 23:40 UTC|newest]

Thread overview: 8+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2008-10-23 23:35 [PATCH] usbcore: Limit number of 'unable to enumerate USB device' messages Larry Finger
2008-10-23 23:36 ` Greg KH [this message]
2008-10-24 16:25   ` Larry Finger
2008-10-24 17:00     ` Greg KH
2008-10-25  3:16       ` Larry Finger
2008-10-25 14:59         ` Alan Stern
2008-10-27 16:37           ` Larry Finger
2008-10-24 13:57 ` Alan Stern

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