Re: [linux-usb-devel] errors with split transactions & powernow

2007-02-15 Thread Alan Stern
On Thu, 15 Feb 2007 [EMAIL PROTECTED] wrote: > So I think ideally linux needs some way of coordinating ehci-hcd and > powernow, so that the EHCI controller can be stopped temporarily while > the processors are changing speed... I'm going to try to hack something > to do that, just to verify that i

Re: [linux-usb-devel] errors with split transactions & powernow

2007-02-15 Thread Stuart_Hayes
Greg KH wrote: > On Wed, Feb 14, 2007 at 04:49:11PM -0600, [EMAIL PROTECTED] wrote: >> >> Hello... While running minor stress on a system, I'm seeing messages >> like this quite frequently: > > What kernel version are you using? > 2.6.20 > >> It seems to me that ehci-hcd itself should perhaps

Re: [linux-usb-devel] errors with split transactions & powernow

2007-02-15 Thread Alan Stern
On Wed, 14 Feb 2007 [EMAIL PROTECTED] wrote: > It seems to me that ehci-hcd itself should perhaps retry a transaction > immediately--at least a couple of times--if it gets QTD_STS_MMF. If > that is wrong for some reason, it might be nice if there was some way > for hid-core (et al?) to know what'

Re: [linux-usb-devel] errors with split transactions & powernow

2007-02-15 Thread David Brownell
On Wednesday 14 February 2007 2:49 pm, [EMAIL PROTECTED] wrote: > I think this is happening because the EHCI controller is getting delayed > trying reading main memory while the processors are changing speed (this > is where the cpufreq/powernow stuff comes in). If this happens between > the star

Re: [linux-usb-devel] errors with split transactions & powernow

2007-02-14 Thread Greg KH
On Wed, Feb 14, 2007 at 04:49:11PM -0600, [EMAIL PROTECTED] wrote: > > Hello... While running minor stress on a system, I'm seeing messages > like this quite frequently: What kernel version are you using? > usb 3-1.1: reset full speed USB device using ehci_hcd and address 5 > > These messages a

Re: [linux-usb-devel] Errors with a webcam on mini itx EPIA 800 mobo

2003-10-18 Thread Alan Stern
On Sat, 18 Oct 2003, Prashant wrote: > Hi > I am getting an error while using a webcam on linux on mini itx Via Epia 800 > motherboard. The camera starts all right. But if you make the computer do > some > processing work when the camera feed is on, the driver crashes. The camera > works fine for

Re: [linux-usb-devel] errors.

2002-02-21 Thread Greg KH
On Thu, Feb 21, 2002 at 06:31:27PM -0600, Sami Kibria wrote: > hi greg...how are you doing? thanks for the reply again... > > :) > > i am using an ericsson bluetooth usb device...i know that you have > writen a bluetooth driver but i need to write one for some work > purposes... Some bluetooth

Re: [linux-usb-devel] errors.

2002-02-21 Thread Sami Kibria
hi greg...how are you doing? thanks for the reply again... :) i am using an ericsson bluetooth usb device...i know that you have writen a bluetooth driver but i need to write one for some work purposes... :) thanks again On Thu, 2002-02-21 at 15:18, Greg KH wrote: > On Thu, Feb 21, 2002 at

Re: [linux-usb-devel] errors.

2002-02-21 Thread Greg KH
On Thu, Feb 21, 2002 at 11:40:57AM -0600, Sami Kibria wrote: > > and now for gregs question...i actually have a logitech usb mouse and it > works fine!...so other devices do attach on... Good. But you never stated what kind of device you are having troubles with. What is it? greg k-h ___

Re: [linux-usb-devel] errors.

2002-02-21 Thread Sami Kibria
hello guys...thanks for the replys...i really appreciate the help... okay, sorry for taking so long in replying back, i had to attend to some business stuff across the country...so now i can do some real work again.. :) so i hope everyone is going good! okay let me address johann first, i don'

Re: [linux-usb-devel] errors.

2002-02-12 Thread Greg KH
On Tue, Feb 12, 2002 at 09:22:40AM -0600, Sami Kibria wrote: > hi...i am a "newbie"...so i have a really quick question... > > hub.c: USB new device connect on bus1/1, assigned device number 6 > usb-uhci.c: interrupt, status 2, frame# 1042 > usb.c: USB device not accepting new address=6 (error=-1