From mboxrd@z Thu Jan 1 00:00:00 1970 From: Paul Ionescu Subject: Re: Re: [linux-usb-devel] kernel 2.6.10 , uhci-hcd problem after ACPI S3 suspend. Date: Wed, 5 Jan 2005 13:59:50 -0800 (PST) Message-ID: <20050105215951.45597.qmail@web50205.mail.yahoo.com> References: Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Return-path: In-Reply-To: Sender: acpi-devel-admin-5NWGOfrQmneRv+LV9MX5uipxlwaOVQ5f@public.gmane.org Errors-To: acpi-devel-admin-5NWGOfrQmneRv+LV9MX5uipxlwaOVQ5f@public.gmane.org List-Unsubscribe: , List-Post: List-Help: List-Subscribe: , List-Archive: To: Alan Stern Cc: USB development list , acpi-devel-5NWGOfrQmneRv+LV9MX5uipxlwaOVQ5f@public.gmane.org List-Id: linux-acpi@vger.kernel.org Hi Alan, CONFIG_USB_SUSPEND is not set. Should I try to set it ? I thought it is for something else from its attached help, that's why I left it unset. Thanks, Paul --- Alan Stern wrote: > Very interesting indeed. This indicates that the > problem isn't with the > uhci-hcd driver but higher up in the USB stack. > It's also not an IRQ > problem, as you have already realized. In brief, > uhci-hcd resumed > correctly and received the appropriate interrupt > when you plugged in the > device. But then the hub driver never got a > corresponding status change > event. (Or else the khubd thread had died, which is > quite possible.) > > Can you build the USB drivers with > CONFIG_USB_DEBUG=y, and post the > dmesg log showing what happens following the > suspend/resume + plug in a > device? Also, can you say whether or not > CONFIG_USB_SUSPEND is set? > Finally, after plugging in the device, can you get > the Alt-SysRq-T stack > trace for the khubd process? (This may work out > better if you switch to > single-user mode and kill unnecessary daemons before > doing the swsusp.) > > Alan Stern > > __________________________________ Do you Yahoo!? Meet the all-new My Yahoo! - Try it today! http://my.yahoo.com ------------------------------------------------------- The SF.Net email is sponsored by: Beat the post-holiday blues Get a FREE limited edition SourceForge.net t-shirt from ThinkGeek. It's fun and FREE -- well, almost....http://www.thinkgeek.com/sfshirt