Date: Wed, 23 Jan 2008 14:03:30 -0800
From: Andrew Morton <akpm@linux-foundation.org>
To: Otavio Salvador <otavio@debian.org>
Cc: linux-kernel@vger.kernel.org, linux-usb@vger.kernel.org
Subject: Re: USB looks to be restarting
Message-Id: <20080123140330.1ca429c9.akpm@linux-foundation.org>
In-Reply-To: <8763xv5c7d.fsf@ossystems.com.br>
References: <8763xv5c7d.fsf@ossystems.com.br>
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(cc linux-usb)

> On Tue, 15 Jan 2008 13:40:38 -0200 Otavio Salvador <otavio@debian.org> wrote:
> Hello,
> 
> I have the following in my syslog:
> 
> Jan 15 13:30:38 neumann kernel: usb 1-2: new full speed USB device using uhci_hcd and address 5
> Jan 15 13:30:38 neumann kernel: usb 5-2: new low speed USB device using uhci_hcd and address 14
> Jan 15 13:30:39 neumann kernel: usb 5-2: configuration #1 chosen from 1 choice
> Jan 15 13:30:39 neumann kernel: input: PS/2+USB Mouse as /class/input/input6
> Jan 15 13:30:39 neumann kernel: input,hidraw2: USB HID v1.11 Mouse [PS/2+USB Mouse] on usb-0000:00:1d.1-2
> Jan 15 13:30:39 neumann kernel: usb 1-2: new full speed USB device using uhci_hcd and address 6
> Jan 15 13:30:40 neumann kernel: usb 1-2: new full speed USB device using uhci_hcd and address 9
> Jan 15 13:30:40 neumann kernel: usb 1-2: new full speed USB device using uhci_hcd and address 10
> Jan 15 13:30:42 neumann kernel: usb 1-2: new full speed USB device using uhci_hcd and address 13
> Jan 15 13:30:44 neumann kernel: usb 1-2: new full speed USB device using uhci_hcd and address 20
> Jan 15 13:30:44 neumann kernel: usb 1-2: new full speed USB device using uhci_hcd and address 21
> Jan 15 13:30:45 neumann kernel: usb 1-2: new full speed USB device using uhci_hcd and address 23
> Jan 15 13:30:46 neumann kernel: usb 1-2: new full speed USB device using uhci_hcd and address 26
> Jan 15 13:30:46 neumann kernel: usb 1-2: device descriptor read/64, error -71
> Jan 15 13:30:47 neumann kernel: usb 1-2: new full speed USB device using uhci_hcd and address 27
> Jan 15 13:30:48 neumann kernel: usb 1-2: new full speed USB device using uhci_hcd and address 28
> Jan 15 13:30:48 neumann kernel: usb 1-2: new full speed USB device using uhci_hcd and address 29
> Jan 15 13:30:49 neumann kernel: usb 1-2: new full speed USB device using uhci_hcd and address 30
> Jan 15 13:30:50 neumann kernel: usb 1-2: new full speed USB device using uhci_hcd and address 32
> Jan 15 13:30:50 neumann kernel: usb 1-2: new full speed USB device using uhci_hcd and address 33
> Jan 15 13:30:52 neumann kernel: usb 1-2: new full speed USB device using uhci_hcd and address 39
> Jan 15 13:30:54 neumann kernel: usb 1-2: new full speed USB device using uhci_hcd and address 45
> Jan 15 13:30:56 neumann kernel: usb 1-2: new full speed USB device using uhci_hcd and address 53
> Jan 15 13:30:57 neumann kernel: usb 1-2: new full speed USB device using uhci_hcd and address 58
> Jan 15 13:31:00 neumann kernel: usb 1-2: new full speed USB device using uhci_hcd and address 68
> Jan 15 13:31:02 neumann kernel: usb 1-2: new full speed USB device using uhci_hcd and address 75
> Jan 15 13:31:02 neumann kernel: usb 1-2: device descriptor read/64, error -71
> Jan 15 13:31:04 neumann kernel: usb 1-2: new full speed USB device using uhci_hcd and address 83
> Jan 15 13:31:05 neumann kernel: usb 1-2: device descriptor read/64, error -71
> Jan 15 13:31:05 neumann kernel: usb 1-2: device descriptor read/64, error -71
> Jan 15 13:31:05 neumann kernel: usb 1-2: new full speed USB device using uhci_hcd and address 84
> Jan 15 13:31:05 neumann kernel: usb 1-2: device descriptor read/64, error -71
> Jan 15 13:31:05 neumann kernel: usb 1-2: device descriptor read/64, error -71
> Jan 15 13:31:06 neumann kernel: usb 1-2: new full speed USB device using uhci_hcd and address 85
> Jan 15 13:31:06 neumann kernel: usb 1-2: device not accepting address 85, error -71
> Jan 15 13:31:06 neumann kernel: usb 1-2: new full speed USB device using uhci_hcd and address 86
> Jan 15 13:31:06 neumann kernel: usb 1-2: device not accepting address 86, error -71
> 
> This happens with 2.6.23 and 2.6.24-rc7 kernels. (didn't test it with
> previous release since this motherboard isn't well supported by them).
> 
> Does someone has any idea how to solve it?
> 
> 
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