Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S263744AbUCPJa7 (ORCPT ); Tue, 16 Mar 2004 04:30:59 -0500 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S263746AbUCPJa7 (ORCPT ); Tue, 16 Mar 2004 04:30:59 -0500 Received: from fmr06.intel.com ([134.134.136.7]:44753 "EHLO caduceus.jf.intel.com") by vger.kernel.org with ESMTP id S263744AbUCPJav (ORCPT ); Tue, 16 Mar 2004 04:30:51 -0500 Subject: Re: [2.6.4] USB malfunction on ACPI resume From: Len Brown To: Niel Lambrechts Cc: linux-kernel@vger.kernel.org In-Reply-To: References: Content-Type: text/plain Organization: Message-Id: <1079421944.2400.76.camel@dhcppc4> Mime-Version: 1.0 X-Mailer: Ximian Evolution 1.2.3 Date: 16 Mar 2004 02:25:44 -0500 Content-Transfer-Encoding: 7bit Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 1730 Lines: 46 how about if you remove the ehci_hcd module before suspending? -Len On Sun, 2004-03-14 at 16:46, Niel Lambrechts wrote: > My Thinkpad R50P (Intel 82855PM with Speedstep 1.7GHz) shows the > following badness when resuming after an ACPI suspend - even if > hotplug > and usb modules were never started beforehand: > > Mar 12 01:22:42 localhost kernel: 0 at 41 > Mar 12 01:22:42 localhost kernel: ehci_hcd 0000:00:1d.7: capability > d49a4140 at > 41 > Mar 12 01:22:42 localhost last message repeated 1266 > times Mar 12 01:22:42 localhost kernel: 0 at > 41 Mar 12 01:22:42 localhost kernel: > ehci_hcd 0000:00:1d.7: capability d49a4140 at > 41 > times Mar 12 01:22:43 localhost kernel: Kernel > logging > (proc) stopped by user. > > This is repeated many many times -> CPU usage jumps to 100% (due to > ehci_hcd module) and klogd becomes very busy with the above nonsense. > > I cannot remove ehci_hcd, any attempt to rmmod will just hang, only > resolve is to reboot. > > Niel > > > Controller: > ----------- > 00:1d.0 USB Controller: Intel Corp. 82801DB USB (Hub #1) (rev 01) > 00:1d.1 USB Controller: Intel Corp. 82801DB USB (Hub #2) (rev 01) > 00:1d.2 USB Controller: Intel Corp. 82801DB USB (Hub #3) (rev 01) > 00:1d.7 USB Controller: Intel Corp. 82801DB USB2 (rev 01) > - 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/