linux-kernel - Re: root hub lost power or was reset

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Date:	Wed, 02 Dec 2009 16:58:46 -0800
From:	"Justin P. Mattock" <justinmattock@...il.com>
To:	Robert Hancock <hancockrwd@...il.com>
CC:	Linux-usb <linux-usb@...r.kernel.org>,
	Linux Kernel Mailing List <linux-kernel@...r.kernel.org>
Subject: Re: root hub lost power or was reset

On 12/02/09 16:10, Robert Hancock wrote:
> On 12/02/2009 04:34 PM, Justin Mattock wrote:
>> I've been getting a 45 sec
>> pause when waking my machine up
>> on the first cycle using s2ram.
>> At first thought it was udev, but later
>> am not sure it is. With further looking
>> if I remove the isight_firmware module from the kernel
>> suspend wakes up the first cycle as it should.(I don't have
>> isight-firmware-tools installed, leading me to believe this might
>> be the issue with isight-firmware.ko.)
>>
>> Now looking at dmesg I see:
>>
>> [ 413.551845] uhci_hcd 0000:00:1d.0: PCI INT A -> GSI 23 (level, low)
>> -> IRQ 23
>> [ 413.551855] uhci_hcd 0000:00:1d.0: setting latency timer to 64
>> [ 413.551887] usb usb2: root hub lost power or was reset
>
> Is that unexpected? It seems reasonable to me..
>

honestly I can't remember seeing this or not.
if this is normal then I'll leave it as is.

s2ram is working.. at first thought this was the cause,
but ended up not having anything todo with the real cause
of s2ram pausing.

Justin P. Mattock
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