From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1760089AbYHOP1b (ORCPT ); Fri, 15 Aug 2008 11:27:31 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1753574AbYHOP1X (ORCPT ); Fri, 15 Aug 2008 11:27:23 -0400 Received: from mail-gx0-f16.google.com ([209.85.217.16]:61561 "EHLO mail-gx0-f16.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1753483AbYHOP1W (ORCPT ); Fri, 15 Aug 2008 11:27:22 -0400 DomainKey-Signature: a=rsa-sha1; c=nofws; d=gmail.com; s=gamma; h=message-id:date:from:to:subject:cc:in-reply-to:mime-version :content-type:content-transfer-encoding:content-disposition :references; b=bdbbgj99RpNVwXi+RG6ztHMeCJjBRj3Q6Mm6xIp7jU4c13aV5Zo9+DwovkRrFTIneb qjc+AUptFimAGfDIqztc2kU+1Q0juwzd+Y6KXDV2QIWNiwPa9zgtLV97VFXx1bQcJl11 /YT8RvAYEkMLZtCsaD3ImO5ZhxFSdi5tsH/ZI= Message-ID: <19f34abd0808150827m5128c8f6wd517796d95227654@mail.gmail.com> Date: Fri, 15 Aug 2008 17:27:20 +0200 From: "Vegard Nossum" To: "Alan Cox" Subject: Re: 2.6.25.11-97.fc9 (P): idr_remove called for id=236 which is not allocated Cc: LKML In-Reply-To: <19f34abd0808150811w2b77479fnead3ae6b527ad4dc@mail.gmail.com> MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 7bit Content-Disposition: inline References: <19f34abd0808150811w2b77479fnead3ae6b527ad4dc@mail.gmail.com> Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Fri, Aug 15, 2008 at 5:11 PM, Vegard Nossum wrote: > Hi, > > First the confessions: It's fedora-patched kernel, 2.6.25.11-97.fc9, > tainted by NVIDIA driver. So feel free to drop to /dev/null until I > can reproduce on a clean and recent kernel. (But -rc3 didn't boot for > me, and I don't have anything else handy atm.) I did get -rc3 working with some command line options. > > By bashing on random device nodes (with mknod + mmap as root), I got a > few messages of this kind: > > idr_remove called for id=236 which is not allocated. > Pid: 3019, comm: a.out Tainted: P 2.6.25.11-97.fc9.i686 #1 > [] idr_remove+0xd5/0x138 > [] release_dev+0x5bd/0x5cf > [] ? d_free+0x3b/0x4d > [] ? mntput_no_expire+0x16/0x69 > [] ? __fput+0x149/0x151 > [] tty_release+0x12/0x1c > [] __fput+0xad/0x151 > [] fput+0x17/0x19 > [] filp_close+0x50/0x5a > [] sys_close+0x69/0xa1 > [] syscall_call+0x7/0xb > [] ? agp_amd64_probe+0x134/0x3ee > ======================= Now it looks more like this (with very frequent messages): ida_remove called for id=112 which is not allocated. ida_remove called for id=67 which is not allocated. ida_remove called for id=191 which is not allocated. ida_remove called for id=23 which is not allocated. ..and with no backtrace, so I guess it means "not harmful". Sorry for the noise. Vegard -- "The animistic metaphor of the bug that maliciously sneaked in while the programmer was not looking is intellectually dishonest as it disguises that the error is the programmer's own creation." -- E. W. Dijkstra, EWD1036