From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1751807Ab0C2Lpl (ORCPT ); Mon, 29 Mar 2010 07:45:41 -0400 Received: from lucidpixels.com ([75.144.35.66]:46998 "EHLO lucidpixels.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1750925Ab0C2Lpj (ORCPT ); Mon, 29 Mar 2010 07:45:39 -0400 Date: Mon, 29 Mar 2010 07:45:37 -0400 (EDT) From: Justin Piszcz To: Alan Stern cc: Kernel development list , USB list , Alan Piszcz Subject: Re: 2.6.33: Xorg+khubd lockup (D-state) BUG / ioctl EVIOCGNAME failed: Inappropriate ioctl for device / PreInit returned NULL In-Reply-To: Message-ID: References: User-Agent: Alpine 2.00 (DEB 1167 2008-08-23) MIME-Version: 1.0 Content-Type: TEXT/PLAIN; format=flowed; charset=US-ASCII Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Thu, 25 Mar 2010, Alan Stern wrote: > On Thu, 25 Mar 2010, Justin Piszcz wrote: > > No, it all looks normal. As a check you could compare this with the > file contents while the mouse is still operating normally. About the > only difference should be the "hcca frame" line, which changes > constantly. > > I guess the next test should be to wait for the mouse to stop working, > unplug the mouse, and then see once again what these files contain. > > Alan Stern Done, here is the output: BEFORE UNPLUG: # cat ./kernel/debug/usb/ohci/0000:00:0b.0/periodic size = 32 0 [117]: ed8/f674a040 (ls dev2 ep1in-int qlen 1 max 8 00083082) 1 [ 98]: ed8/f674a0c0 (ls dev3 ep1in-int qlen 1 max 5 00053083) 8 [117]: ed8/f674a040 9 [ 98]: ed8/f674a0c0 16 [117]: ed8/f674a040 17 [ 98]: ed8/f674a0c0 24 [117]: ed8/f674a040 25 [ 98]: ed8/f674a0c0 UNPLUG: # cat ./kernel/debug/usb/ohci/0000:00:0b.0/periodic size = 32 0 [117]: ed8/f674a040 (ls dev2 ep1in-int qlen 1 max 8 00083082) 8 [117]: ed8/f674a040 16 [117]: ed8/f674a040 24 [117]: ed8/f674a040 AFTER PLUG BACK IN: # cat ./kernel/debug/usb/ohci/0000:00:0b.0/periodic size = 32 0 [117]: ed8/f674a040 (ls dev2 ep1in-int qlen 1 max 8 00083082) 8 [117]: ed8/f674a040 16 [117]: ed8/f674a040 24 [117]: ed8/f674a040 KERNEL MESSAGES: [ 30.569377] usb 2-5:1.0: uevent [ 30.572365] usb 2-6:1.0: uevent [ 1053.663314] usb usb1: uevent [ 1053.663404] usb 1-0:1.0: uevent [ 1053.663455] usb usb2: uevent [ 1053.663530] usb 2-0:1.0: uevent [ 1053.663582] usb 2-5: uevent [ 1053.663656] usb 2-5:1.0: uevent [ 1053.663706] usb 2-6: uevent [ 1053.663777] usb 2-6:1.0: uevent [333937.016444] hub 2-0:1.0: state 7 ports 8 chg 0000 evt 0040 [333937.016453] ohci_hcd 0000:00:0b.0: GetStatus roothub.portstatus [5] = 0x00030300 PESC CSC LSDA PPS [333937.016458] hub 2-0:1.0: port 6, status 0300, change 0003, 1.5 Mb/s [333937.016461] usb 2-6: USB disconnect, address 3 [333937.016463] usb 2-6: unregistering device [333937.016465] usb 2-6: usb_disable_device nuking all URBs [333937.016472] ohci_hcd 0000:00:0b.0: shutdown urb f6a2d540 ep1in-intr Justin.