From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1751830AbWDDHjJ (ORCPT ); Tue, 4 Apr 2006 03:39:09 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1751834AbWDDHjI (ORCPT ); Tue, 4 Apr 2006 03:39:08 -0400 Received: from mail.knowledgetools.de ([212.5.29.62]:48817 "EHLO isoconazol.knowledgetools.de") by vger.kernel.org with ESMTP id S1751830AbWDDHjI (ORCPT ); Tue, 4 Apr 2006 03:39:08 -0400 From: Thomas Stein To: linux-kernel@vger.kernel.org Subject: dma_map_sg badness Date: Tue, 4 Apr 2006 09:39:13 +0200 User-Agent: KMail/1.9.1 MIME-Version: 1.0 Content-Type: text/plain; charset="iso-8859-15" Content-Transfer-Encoding: 7bit Content-Disposition: inline Message-Id: <200604040939.13912.thomas.stein@knowledgetools.de> Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org Hello everybody. I have some weird messages in my systemlog since upgrading to kernel 2.6.16. Badness in dma_map_sg at include/asm/dma-mapping.h:47 [] ide_build_sglist+0x7f/0xb6 [] ide_build_dmatable+0x3d/0x12d [] ide_dma_setup+0x22/0x8a [] idetape_issue_packet_command+0x122/0x20a [] idetape_do_request+0x29f/0x2a9 [] start_request+0x189/0x1a7 [] ide_do_request+0x2da/0x31e [] do_ide_request+0x17/0x1a [] elv_insert+0x5c/0x141 [] ide_do_drive_cmd+0x96/0xd6 [] __idetape_kmalloc_stage+0x128/0x19e [] idetape_insert_pipeline_into_queue+0x39/0x3f [] idetape_add_chrdev_write_request+0x105/0x141 [] idetape_chrdev_write+0x1ea/0x22d [] vfs_write+0x88/0x11c [] sys_write+0x3b/0x63 [] syscall_call+0x7/0xb Its a regular x86 machine (athlon-xp) with a IDE Tape Writer ( Sony Storestation) connected to the Secondary IDE channel. Someone knows whats causing this? Oh before i forget, i am not subscribed to the list. Please CC me if you answer to that posting. Thanks. best regards t.