Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1755765AbYC2WCT (ORCPT ); Sat, 29 Mar 2008 18:02:19 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1753184AbYC2WCF (ORCPT ); Sat, 29 Mar 2008 18:02:05 -0400 Received: from netrider.rowland.org ([192.131.102.5]:2501 "HELO netrider.rowland.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with SMTP id S1753053AbYC2WCE (ORCPT ); Sat, 29 Mar 2008 18:02:04 -0400 Date: Sat, 29 Mar 2008 18:02:00 -0400 (EDT) From: Alan Stern X-X-Sender: stern@netrider.rowland.org To: Mark Lord cc: bugme-daemon@bugzilla.kernel.org, , , Linux Kernel , Subject: Re: [Bug 10345] USB HID problems after resume In-Reply-To: <47EE793C.5070105@rtr.ca> Message-ID: MIME-Version: 1.0 Content-Type: TEXT/PLAIN; charset=US-ASCII Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 778 Lines: 20 On Sat, 29 Mar 2008, Mark Lord wrote: > Just happened again. The machine resumed from RAM with no functioning USB. > Still running the exact same 2.6.25-rc7 kernel as before, with the RTC conflict fixed. > > WTF? The first step in debugging this is to build a kernel with CONFIG_USB_DEBUG and send the dmesg log following an unsuccessful resume. Include events from before the suspend; don't strip them out. If the symptoms are the same as before then you should also get a stack dump for the ksuspend_usbd task. Alan Stern -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/