From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1750708AbVJNTuU (ORCPT ); Fri, 14 Oct 2005 15:50:20 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1750732AbVJNTuU (ORCPT ); Fri, 14 Oct 2005 15:50:20 -0400 Received: from amsfep16-int.chello.nl ([213.46.243.25]:5443 "EHLO amsfep16-int.chello.nl") by vger.kernel.org with ESMTP id S1750708AbVJNTuT (ORCPT ); Fri, 14 Oct 2005 15:50:19 -0400 Message-ID: <43500BF6.8080501@chello.be> Date: Fri, 14 Oct 2005 21:50:14 +0200 From: "F. Poncin" Organization: Why do you read the header User-Agent: Mozilla/5.0 (X11; U; Linux i686; en-US; rv:1.7.12) Gecko/20050922 Fedora/1.7.12-1.3.1 X-Accept-Language: en, en-us, fr MIME-Version: 1.0 To: linux-kernel@vger.kernel.org Subject: slab error in cache_free_debugcheck(): cache `sgpool-8': Content-Type: text/plain; charset=ISO-8859-1; format=flowed Content-Transfer-Encoding: 8bit Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org Hello, I found this in several recent boot logs. Summary: slab error in cache_free_debugcheck(): cache `sgpool-8': double free, or memory outside object was overwritten Kernel version: 2.6.14-rc4-g9149ccfa Steps to reproduce: on boot Hardware: Dell 8300 + External USB disk enclosures I'm not subscribed to the list. Please Cc: Additional info / test on request. extract from dmesg: scsi2 : SCSI emulation for IEEE-1394 SBP-2 Devices ieee1394: sbp2: Logged into SBP-2 device ieee1394: Node 0-00:1023: Max speed [S400] - Max payload [2048] Vendor: Initio Model: ST3400832A Rev: 4.07 Type: Direct-Access ANSI SCSI revision: 00 SCSI device sdc: 781422768 512-byte hdwr sectors (400088 MB) slab error in cache_free_debugcheck(): cache `sgpool-8': double free, or memory outside object was overwritten [] cache_free_debugcheck+0x15e/0x215 [] mempool_free+0x6c/0x73 [] kmem_cache_free+0x25/0x59 [] mempool_free+0x6c/0x73 [] scsi_io_completion+0x1fd/0x4ac [scsi_mod] [] sd_rw_intr+0x155/0x30e [sd_mod] [] poison_obj+0x1c/0x38 [] _spin_lock+0x1c/0x75 [] scsi_finish_command+0x82/0xb5 [scsi_mod] [] _spin_lock+0x1c/0x75 [] scsi_softirq+0xc0/0x141 [scsi_mod] [] tasklet_action+0x59/0xbe [] __do_softirq+0x69/0xd5 [] do_softirq+0x57/0x5b ======================= [] irq_exit+0x42/0x44 [] do_IRQ+0x5c/0x8e [] schedule+0x627/0xcd8 [] common_interrupt+0x1a/0x20 [] mwait_idle+0x25/0x4a [] acpi_processor_idle+0x0/0x29e [] acpi_processor_idle+0x101/0x29e [] acpi_processor_idle+0x0/0x29e [] cpu_idle+0x45/0x7d [] start_kernel+0x18c/0x1cb [] unknown_bootoption+0x0/0x1b0 c233b7a8: redzone 1: 0x170fc2a5, redzone 2: 0xc0144b47. sdc: asking for cache data failed sdc: assuming drive cache: write through SCSI device sdc: 781422768 512-byte hdwr sectors (400088 MB) slab error in cache_free_debugcheck(): cache `sgpool-8': double free, or memory outside object was overwritten [] cache_free_debugcheck+0x15e/0x215 [] mempool_free+0x6c/0x73 [] kmem_cache_free+0x25/0x59 [] mempool_free+0x6c/0x73 [] scsi_io_completion+0x1fd/0x4ac [scsi_mod] [] sd_rw_intr+0x155/0x30e [sd_mod] [] poison_obj+0x1c/0x38 [] _spin_lock+0x1c/0x75 [] scsi_finish_command+0x82/0xb5 [scsi_mod] [] _spin_lock+0x1c/0x75 [] scsi_softirq+0xc0/0x141 [scsi_mod] [] tasklet_action+0x59/0xbe [] __do_softirq+0x69/0xd5 [] do_softirq+0x57/0x5b ======================= [] irq_exit+0x42/0x44 [] do_IRQ+0x5c/0x8e [] common_interrupt+0x1a/0x20 [] mwait_idle+0x25/0x4a [] acpi_processor_idle+0x0/0x29e [] acpi_processor_idle+0x101/0x29e [] acpi_processor_idle+0x0/0x29e [] cpu_idle+0x45/0x7d [] start_kernel+0x18c/0x1cb [] unknown_bootoption+0x0/0x1b0 c233b7a8: redzone 1: 0x170fc2a5, redzone 2: 0xc0144b47. sdc: asking for cache data failed sdc: assuming drive cache: write through sdc:<6>FDC 0 is a post-1991 82077 -- Frédéric Poncin