Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1757144AbXKFDOm (ORCPT ); Mon, 5 Nov 2007 22:14:42 -0500 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1755630AbXKFDOe (ORCPT ); Mon, 5 Nov 2007 22:14:34 -0500 Received: from smtp2.linux-foundation.org ([207.189.120.14]:58160 "EHLO smtp2.linux-foundation.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1755059AbXKFDOe (ORCPT ); Mon, 5 Nov 2007 22:14:34 -0500 Date: Mon, 5 Nov 2007 19:13:41 -0800 From: Andrew Morton To: Soeren Sonnenburg Cc: Linux Kernel , Dmitry Torokhov , Jiri Kosina Subject: Re: 2.6.23: no more free evdev devices - evdev leak? Message-Id: <20071105191341.9b9dd857.akpm@linux-foundation.org> In-Reply-To: <1193848484.5070.41.camel@localhost> References: <1193848484.5070.41.camel@localhost> X-Mailer: Sylpheed 2.4.1 (GTK+ 2.8.17; x86_64-unknown-linux-gnu) Mime-Version: 1.0 Content-Type: text/plain; charset=US-ASCII Content-Transfer-Encoding: 7bit Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 8455 Lines: 114 On Wed, 31 Oct 2007 16:34:44 +0000 Soeren Sonnenburg wrote: > Dear all, (cc's added) > whenever I do a suspend resume cycle the input device's numbers are > increased until I finally run out of evdev devices. Is this a kernel > problem or some userspace program (udev/...) creating new devices all > the time? > > here is the dmesg: > > Soeren > > input: Power Button (FF) as /devices/virtual/input/input0 > input: Lid Switch as /devices/virtual/input/input1 > input: Power Button (CM) as /devices/virtual/input/input2 > input: Sleep Button (CM) as /devices/virtual/input/input3 > input: Macintosh mouse button emulation as /devices/virtual/input/input4 > input: Apple Computer Apple Internal Keyboard / Trackpad as /devices/pci0000:00/0000:00:1d.0/usb2/2-2/2-2:1.0/input/input5 > input: USB HID v1.11 Keyboard [Apple Computer Apple Internal Keyboard / Trackpad] on usb-0000:00:1d.0-2 > input: Apple Computer Apple Internal Keyboard / Trackpad as /devices/pci0000:00/0000:00:1d.0/usb2/2-2/2-2:1.2/input/input6 > input: USB HID v1.11 Device [Apple Computer Apple Internal Keyboard / Trackpad] on usb-0000:00:1d.0-2 > input: HID 05ac:1000 as /devices/pci0000:00/0000:00:1d.3/usb5/5-1/5-1:1.0/input/input7 > input: USB HID v1.11 Keyboard [HID 05ac:1000] on usb-0000:00:1d.3-1 > input: HID 05ac:1000 as /devices/pci0000:00/0000:00:1d.3/usb5/5-1/5-1:1.1/input/input8 > input: USB HID v1.11 Mouse [HID 05ac:1000] on usb-0000:00:1d.3-1 > input: appletouch as /devices/pci0000:00/0000:00:1d.0/usb2/2-2/2-2:1.1/input/input9 > input: Video Bus as /devices/virtual/input/input10 > input: applesmc as /devices/platform/applesmc.768/input/input11 > input: appletouch disconnected > input: Apple Computer Apple Internal Keyboard / Trackpad as /devices/pci0000:00/0000:00:1d.0/usb2/2-2/2-2:1.0/input/input12 > input: USB HID v1.11 Keyboard [Apple Computer Apple Internal Keyboard / Trackpad] on usb-0000:00:1d.0-2 > input: appletouch as /devices/pci0000:00/0000:00:1d.0/usb2/2-2/2-2:1.1/input/input13 > input: Apple Computer Apple Internal Keyboard / Trackpad as /devices/pci0000:00/0000:00:1d.0/usb2/2-2/2-2:1.2/input/input14 > input: USB HID v1.11 Device [Apple Computer Apple Internal Keyboard / Trackpad] on usb-0000:00:1d.0-2 > input: HID 05ac:1000 as /devices/pci0000:00/0000:00:1d.3/usb5/5-1/5-1:1.0/input/input15 > input: USB HID v1.11 Keyboard [HID 05ac:1000] on usb-0000:00:1d.3-1 > input: HID 05ac:1000 as /devices/pci0000:00/0000:00:1d.3/usb5/5-1/5-1:1.1/input/input16 > input: USB HID v1.11 Mouse [HID 05ac:1000] on usb-0000:00:1d.3-1 > input: appletouch disconnected > input: Apple Computer Apple Internal Keyboard / Trackpad as /devices/pci0000:00/0000:00:1d.0/usb2/2-2/2-2:1.0/input/input17 > input: USB HID v1.11 Keyboard [Apple Computer Apple Internal Keyboard / Trackpad] on usb-0000:00:1d.0-2 > input: appletouch as /devices/pci0000:00/0000:00:1d.0/usb2/2-2/2-2:1.1/input/input18 > input: Apple Computer Apple Internal Keyboard / Trackpad as /devices/pci0000:00/0000:00:1d.0/usb2/2-2/2-2:1.2/input/input19 > input: USB HID v1.11 Device [Apple Computer Apple Internal Keyboard / Trackpad] on usb-0000:00:1d.0-2 > input: HID 05ac:1000 as /devices/pci0000:00/0000:00:1d.3/usb5/5-1/5-1:1.0/input/input20 > input: USB HID v1.11 Keyboard [HID 05ac:1000] on usb-0000:00:1d.3-1 > input: HID 05ac:1000 as /devices/pci0000:00/0000:00:1d.3/usb5/5-1/5-1:1.1/input/input21 > input: USB HID v1.11 Mouse [HID 05ac:1000] on usb-0000:00:1d.3-1 > input: appletouch disconnected > input: Apple Computer Apple Internal Keyboard / Trackpad as /devices/pci0000:00/0000:00:1d.0/usb2/2-2/2-2:1.0/input/input22 > input: USB HID v1.11 Keyboard [Apple Computer Apple Internal Keyboard / Trackpad] on usb-0000:00:1d.0-2 > input: appletouch as /devices/pci0000:00/0000:00:1d.0/usb2/2-2/2-2:1.1/input/input23 > input: Apple Computer Apple Internal Keyboard / Trackpad as /devices/pci0000:00/0000:00:1d.0/usb2/2-2/2-2:1.2/input/input24 > input: USB HID v1.11 Device [Apple Computer Apple Internal Keyboard / Trackpad] on usb-0000:00:1d.0-2 > input: HID 05ac:1000 as /devices/pci0000:00/0000:00:1d.3/usb5/5-1/5-1:1.0/input/input25 > input: USB HID v1.11 Keyboard [HID 05ac:1000] on usb-0000:00:1d.3-1 > input: HID 05ac:1000 as /devices/pci0000:00/0000:00:1d.3/usb5/5-1/5-1:1.1/input/input26 > input: USB HID v1.11 Mouse [HID 05ac:1000] on usb-0000:00:1d.3-1 > input: appletouch disconnected > input: Apple Computer Apple Internal Keyboard / Trackpad as /devices/pci0000:00/0000:00:1d.0/usb2/2-2/2-2:1.0/input/input27 > input: USB HID v1.11 Keyboard [Apple Computer Apple Internal Keyboard / Trackpad] on usb-0000:00:1d.0-2 > input: appletouch as /devices/pci0000:00/0000:00:1d.0/usb2/2-2/2-2:1.1/input/input28 > input: Apple Computer Apple Internal Keyboard / Trackpad as /devices/pci0000:00/0000:00:1d.0/usb2/2-2/2-2:1.2/input/input29 > input: USB HID v1.11 Device [Apple Computer Apple Internal Keyboard / Trackpad] on usb-0000:00:1d.0-2 > input: HID 05ac:1000 as /devices/pci0000:00/0000:00:1d.3/usb5/5-1/5-1:1.0/input/input30 > input: USB HID v1.11 Keyboard [HID 05ac:1000] on usb-0000:00:1d.3-1 > input: HID 05ac:1000 as /devices/pci0000:00/0000:00:1d.3/usb5/5-1/5-1:1.1/input/input31 > input: USB HID v1.11 Mouse [HID 05ac:1000] on usb-0000:00:1d.3-1 > input: appletouch disconnected > input: Apple Computer Apple Internal Keyboard / Trackpad as /devices/pci0000:00/0000:00:1d.0/usb2/2-2/2-2:1.0/input/input32 > input: USB HID v1.11 Keyboard [Apple Computer Apple Internal Keyboard / Trackpad] on usb-0000:00:1d.0-2 > input: appletouch as /devices/pci0000:00/0000:00:1d.0/usb2/2-2/2-2:1.1/input/input33 > input: Apple Computer Apple Internal Keyboard / Trackpad as /devices/pci0000:00/0000:00:1d.0/usb2/2-2/2-2:1.2/input/input34 > input: USB HID v1.11 Device [Apple Computer Apple Internal Keyboard / Trackpad] on usb-0000:00:1d.0-2 > input: HID 05ac:1000 as /devices/pci0000:00/0000:00:1d.3/usb5/5-1/5-1:1.0/input/input35 > input: USB HID v1.11 Keyboard [HID 05ac:1000] on usb-0000:00:1d.3-1 > input: HID 05ac:1000 as /devices/pci0000:00/0000:00:1d.3/usb5/5-1/5-1:1.1/input/input36 > input: USB HID v1.11 Mouse [HID 05ac:1000] on usb-0000:00:1d.3-1 > input: appletouch disconnected > input: Apple Computer Apple Internal Keyboard / Trackpad as /devices/pci0000:00/0000:00:1d.0/usb2/2-2/2-2:1.0/input/input37 > input: USB HID v1.11 Keyboard [Apple Computer Apple Internal Keyboard / Trackpad] on usb-0000:00:1d.0-2 > input: appletouch as /devices/pci0000:00/0000:00:1d.0/usb2/2-2/2-2:1.1/input/input38 > input: Apple Computer Apple Internal Keyboard / Trackpad as /devices/pci0000:00/0000:00:1d.0/usb2/2-2/2-2:1.2/input/input39 > input: USB HID v1.11 Device [Apple Computer Apple Internal Keyboard / Trackpad] on usb-0000:00:1d.0-2 > input: HID 05ac:1000 as /devices/pci0000:00/0000:00:1d.3/usb5/5-1/5-1:1.0/input/input40 > input: USB HID v1.11 Keyboard [HID 05ac:1000] on usb-0000:00:1d.3-1 > input: HID 05ac:1000 as /devices/pci0000:00/0000:00:1d.3/usb5/5-1/5-1:1.1/input/input41 > input: USB HID v1.11 Mouse [HID 05ac:1000] on usb-0000:00:1d.3-1 > input: appletouch disconnected > input: Apple Computer Apple Internal Keyboard / Trackpad as /devices/pci0000:00/0000:00:1d.0/usb2/2-2/2-2:1.0/input/input42 > input: USB HID v1.11 Keyboard [Apple Computer Apple Internal Keyboard / Trackpad] on usb-0000:00:1d.0-2 > input: appletouch as /devices/pci0000:00/0000:00:1d.0/usb2/2-2/2-2:1.1/input/input43 > input: Apple Computer Apple Internal Keyboard / Trackpad as /devices/pci0000:00/0000:00:1d.0/usb2/2-2/2-2:1.2/input/input44 > input: USB HID v1.11 Device [Apple Computer Apple Internal Keyboard / Trackpad] on usb-0000:00:1d.0-2 > input: HID 05ac:1000 as /devices/pci0000:00/0000:00:1d.3/usb5/5-1/5-1:1.0/input/input45 > input: USB HID v1.11 Keyboard [HID 05ac:1000] on usb-0000:00:1d.3-1 > input: HID 05ac:1000 as /devices/pci0000:00/0000:00:1d.3/usb5/5-1/5-1:1.1/input/input46 > input: failed to attach handler evdev to device input46, error: -23 > input: USB HID v1.11 Mouse [HID 05ac:1000] on usb-0000:00:1d.3-1 > evdev: no more free evdev devices > input: failed to attach handler evdev to device input46, error: -23 > Did earlier kernels do the same thing, or was this problem introduced in 2.6.23? - 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/