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From: Duncan Sands <duncan.sands@math.u-psud.fr>
To: linux-kernel@vger.kernel.org
Subject: Re: 2.6.10 and speedtouch usb
Date: Wed, 29 Dec 2004 10:11:21 +0100
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Cc: Serge Tchesmeli <zztchesmeli@echo.fr>
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> i have try the new kernel 2.6.10, compil with exactly the same option from my 
> 2.6.9 (i have copied the .config) but i notice a high load on my machine, and 
> i see that was syslogd.
> So, i look at my log and see:
> 
> Dec 26 19:40:44 gateway last message repeated 137 times
> Dec 26 19:40:46 gateway kernel: usb 2-1: events/0 timed out on ep0in
> Dec 26 19:40:46 gateway kernel: SpeedTouch: Error -110 fetching device status
> Dec 26 19:40:46 gateway kernel: usb 2-1: modem_run timed out on ep0in
> Dec 26 19:40:46 gateway kernel: usb 2-1: usbfs: USBDEVFS_CONTROL failed cmd 
> modem_run rqt 192 rq 18 len 8 ret -110
> Dec 26 19:40:46 gateway kernel: usb 2-1: usbfs: process 5296 (modem_run) did 
> not claim interface 0 before use
> Dec 26 19:40:49 gateway last message repeated 413 times
> Dec 26 19:40:51 gateway kernel: usb 2-1: events/0 timed out on ep0in
> Dec 26 19:40:51 gateway kernel: SpeedTouch: Error -110 fetching device status
> Dec 26 19:40:51 gateway kernel: usb 2-1: modem_run timed out on ep0in
> Dec 26 19:40:51 gateway kernel: usb 2-1: usbfs: USBDEVFS_CONTROL failed cmd 
> modem_run rqt 192 rq 18 len 8 ret -110
> Dec 26 19:40:51 gateway kernel: usb 2-1: usbfs: process 5296 (modem_run) did 
> not claim interface 0 before use
> Dec 26 19:40:59 gateway last message repeated 1105 times

Hi Serge, please turn on the kernel config option CONFIG_USB_DEBUG.  Also, change

/*
#define DEBUG
#define VERBOSE_DEBUG
*/

to

#define DEBUG
/*
#define VERBOSE_DEBUG
*/

in drivers/usb/atm/speedtch.c and drivers/usb/atm/usb_atm.c.  You should then
get a bunch of stuff in your system logs.

Ciao,

Duncan.