From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S262420AbVGLWwG (ORCPT ); Tue, 12 Jul 2005 18:52:06 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S262503AbVGLWYU (ORCPT ); Tue, 12 Jul 2005 18:24:20 -0400 Received: from rproxy.gmail.com ([64.233.170.200]:48164 "EHLO rproxy.gmail.com") by vger.kernel.org with ESMTP id S262423AbVGLWX1 convert rfc822-to-8bit (ORCPT ); Tue, 12 Jul 2005 18:23:27 -0400 DomainKey-Signature: a=rsa-sha1; q=dns; c=nofws; s=beta; d=gmail.com; h=received:message-id:date:from:reply-to:to:subject:mime-version:content-type:content-transfer-encoding:content-disposition; b=ryzcREAInVVdrgmXzBTJZ6/39yQ6Rp5nVPnbMDLJJ+7dWjp8yA8GYV5Mcmve+sqzRlrKnnOqGLgWQJf+lPfbiWQ9rE75UTicMGwg7eI18c0oy5hGg3nEDnd7HgMtvXaF1+v7Jxhl47wg52KyG0FW2mdKFi26dgXTDJoIzgysgTI= Message-ID: <5a4c581d0507121523123d6ecf@mail.gmail.com> Date: Wed, 13 Jul 2005 00:23:27 +0200 From: Alessandro Suardi Reply-To: Alessandro Suardi To: Linux Kernel Mailing List Subject: SLAB_DEBUG oopses 2.6.13-rc2-git3 (and seems to make BitTorrent loop) Mime-Version: 1.0 Content-Type: text/plain; charset=US-ASCII Content-Transfer-Encoding: 7BIT Content-Disposition: inline Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org Non fatal, box is still up and bittorrenting/ed2king on and off due to my DSL ISP being flaky in the last couple of days... [65544.518710] slab error in cache_free_debugcheck(): cache `radix_tree_node': double free, or memory outside object was overwritten [65544.519577] [] dump_stack+0x17/0x20 [65544.519938] [] __slab_error+0x26/0x30 [65544.520309] [] cache_free_debugcheck+0x16e/0x240 [65544.520739] [] kmem_cache_free+0x31/0x70 [65544.521118] [] radix_tree_delete+0x14d/0x180 [65544.521528] [] __delete_from_swap_cache+0x27/0x70 [65544.521970] [] shrink_list+0x407/0x480 [65544.522334] [] shrink_cache+0x102/0x320 [65544.522703] [] shrink_zone+0xab/0xe0 [65544.523054] [] balance_pgdat+0x226/0x380 [65544.523429] [] kswapd+0xde/0x110 [65544.523756] [] kernel_thread_helper+0x5/0x10 [65544.524158] c8a52b74: redzone 1: 0x970fc2a5, redzone 2: 0x170fc2a5. I also get (a byproduct of the CONFIG_SLAB_DEBUG kernel, I'd assume, as it never happened before) my BitTorrent curses sessions suddenly stop refreshing the download/upload stats, strace looks like this: ... mremap(0xb3b39000, 5246976, 5246976, MREMAP_MAYMOVE) = 0xb3b39000 gettimeofday({1121206671, 812488}, NULL) = 0 futex(0x80ffce8, FUTEX_WAKE, 1) = 0 futex(0x80ffce8, FUTEX_WAKE, 1) = 0 mremap(0xb3b39000, 5246976, 5246976, MREMAP_MAYMOVE) = 0xb3b39000 gettimeofday({1121206671, 813010}, NULL) = 0 futex(0x80ffce8, FUTEX_WAKE, 1) = 0 futex(0x80ffce8, FUTEX_WAKE, 1) = 0 mremap(0xb3b39000, 5246976, 5246976, MREMAP_MAYMOVE) = 0xb3b39000 gettimeofday({1121206671, 813501}, NULL) = 0 futex(0x80ffce8, FUTEX_WAKE, 1) = 0 futex(0x80ffce8, FUTEX_WAKE, 1) = 0 mremap(0xb3b39000, 5246976, 5246976, MREMAP_MAYMOVE) = 0xb3b39000 ... forever, and ever. uptodate FC3, K7-800, 256MB RAM, kernel 2.6.13-rc2-git3. Is this just my DIMMs finally giving up or may this actually be a legitimate kernel bug ? Thanks in advance, ciao, --alessandro "When it comes to luck / you make your own Tonight I've got dirt on my hands But I'm building me a new home" (Bruce Springsteen - "Lucky Town")