From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S261811AbTITLCU (ORCPT ); Sat, 20 Sep 2003 07:02:20 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S261831AbTITLCT (ORCPT ); Sat, 20 Sep 2003 07:02:19 -0400 Received: from cpe.atm2-0-53171.0xc2efe34e.bynxx8.customer.tele.dk ([194.239.227.78]:2176 "EHLO klippegang.dk") by vger.kernel.org with ESMTP id S261811AbTITLCR (ORCPT ); Sat, 20 Sep 2003 07:02:17 -0400 Subject: Re: Badness in as_completed_request in 2.6.0-test5-bk3 From: Rene Rask To: linux-kernel@vger.kernel.org Content-Type: text/plain Message-Id: <1064055732.5913.15.camel@animatrix.klippegang.dk> Mime-Version: 1.0 X-Mailer: Ximian Evolution 1.4.3 (1.4.3-3) Date: 20 Sep 2003 13:02:12 +0200 Content-Transfer-Encoding: 7bit Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org I'm not subscribed to the list so please cc me if you have questions. >Try disabling TCQ, I don't think it is very stable for IDE drives. I'm getting these messages with a 3ware 7500-12 card as well even though it is a scsi card. I'm using kernel 2.6-test5-bk6 and copying files files an nfs mount to the local 3ware disks ( 6 200 GB disks in hardware RAID5). Dmesg output: Badness in as_completed_request at drivers/block/as-iosched.c:906 Call Trace: [] as_completed_request+0x190/0x1a0 [] elv_completed_request+0x1f/0x30 [] __blk_put_request+0x3c/0xc0 [] end_that_request_last+0x59/0xf0 [] scsi_end_request+0xbd/0xf0 [scsi_mod] [] scsi_io_completion+0x18c/0x520 [scsi_mod] [] sd_rw_intr+0x87/0x300 [sd_mod] [] scsi_finish_command+0x84/0xe0 [scsi_mod] [] do_IRQ+0xc8/0x150 [] scsi_softirq+0xef/0x230 [scsi_mod] [] common_interrupt+0x18/0x20 [] do_softirq+0xd3/0xe0 [] xprt_prepare_transmit+0x77/0xe0 [sunrpc] [] call_transmit+0x2a/0xb0 [sunrpc] [] __rpc_execute+0x217/0x310 [sunrpc] [] autoremove_wake_function+0x0/0x50 [] nfs_pagein_one+0xa2/0xf0 [nfs] [] nfs_pagein_list+0x4e/0x80 [nfs] [] nfs_readpages+0x98/0xa0 [nfs] [] readpage_async_filler+0x0/0xd0 [nfs] [] read_pages+0x178/0x190 [] __alloc_pages+0x99/0x330 [] kfree_skbmem+0x24/0x30 [] do_page_cache_readahead+0xf0/0x150 [] page_cache_readahead+0x145/0x180 [] do_generic_mapping_read+0xdc/0x500 [] file_read_actor+0x0/0xf0 [] __generic_file_aio_read+0x1f2/0x230 [] file_read_actor+0x0/0xf0 [] generic_file_aio_read+0x5a/0x80 [] nfs_file_read+0x91/0xe0 [nfs] [] do_sync_read+0x8b/0xc0 [] inode_has_perm+0x69/0xa0 [] selinux_file_permission+0x141/0x180 [] vfs_read+0xe0/0x150 [] common_interrupt+0x18/0x20 [] sys_read+0x42/0x70 [] sysenter_past_esp+0x52/0x71 Badness in as_completed_request at drivers/block/as-iosched.c:906 Call Trace: [] as_completed_request+0x190/0x1a0 [] elv_completed_request+0x1f/0x30 [] __blk_put_request+0x3c/0xc0 [] end_that_request_last+0x59/0xf0 [] scsi_end_request+0xbd/0xf0 [scsi_mod] [] scsi_io_completion+0x18c/0x520 [scsi_mod] [] sd_rw_intr+0x87/0x300 [sd_mod] [] scsi_delete_timer+0x1a/0x70 [scsi_mod] [] scsi_finish_command+0x84/0xe0 [scsi_mod] [] scsi_softirq+0xef/0x230 [scsi_mod] [] do_softirq+0xd3/0xe0 [] do_IRQ+0x107/0x150 [] default_idle+0x0/0x40 [] common_interrupt+0x18/0x20 [] default_idle+0x0/0x40 [] default_idle+0x2a/0x40 [] cpu_idle+0x37/0x40 [] rest_init+0x0/0x50 [] start_kernel+0x197/0x1d0 [] unknown_bootoption+0x0/0x100 This is just the first 2 after a reboot. The logs are filled with these now. Cheers Rene < rene AT grain dk >