From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from d03relay04.boulder.ibm.com (d03relay04.boulder.ibm.com [9.17.195.106]) by e35.co.us.ibm.com (8.12.10/8.12.9) with ESMTP id j5M0YutC157018 for ; Tue, 21 Jun 2005 20:34:56 -0400 Received: from d03av02.boulder.ibm.com (d03av02.boulder.ibm.com [9.17.195.168]) by d03relay04.boulder.ibm.com (8.12.10/NCO/VER6.6) with ESMTP id j5M0YtHW146766 for ; Tue, 21 Jun 2005 18:34:56 -0600 Received: from d03av02.boulder.ibm.com (loopback [127.0.0.1]) by d03av02.boulder.ibm.com (8.12.11/8.13.3) with ESMTP id j5M0YtXp024376 for ; Tue, 21 Jun 2005 18:34:55 -0600 Subject: Re: 2.6.12-mm1 & 2K lun testing (JFS problem ?) From: Badari Pulavarty In-Reply-To: <20050617141331.078e5f8f.akpm@osdl.org> References: <1118856977.4301.406.camel@dyn9047017072.beaverton.ibm.com> <20050616002451.01f7e9ed.akpm@osdl.org> <1118951458.4301.478.camel@dyn9047017072.beaverton.ibm.com> <20050616133730.1924fca3.akpm@osdl.org> <1118965381.4301.488.camel@dyn9047017072.beaverton.ibm.com> <20050616175130.22572451.akpm@osdl.org> <42B2E7D2.9080705@us.ibm.com> <20050617141331.078e5f8f.akpm@osdl.org> Content-Type: text/plain Date: Tue, 21 Jun 2005 17:34:54 -0700 Message-Id: <1119400494.4620.33.camel@dyn9047017102.beaverton.ibm.com> Mime-Version: 1.0 Content-Transfer-Encoding: 7bit Sender: owner-linux-mm@kvack.org Return-Path: To: Andrew Morton , shaggy@us.ibm.com Cc: linux-kernel@vger.kernel.org, linux-mm@kvack.org List-ID: Hi Andrew & Shaggy, Here is the summary of 2K lun testing on 2.6.12-mm1. When I tune dirty ratios and CFQ queue depths, things seems to be running fine. echo 20 > /proc/sys/vm/dirty_ratio echo 20 > /proc/sys/vm/overcommit_ratio echo 4 > /sys/block//queue/nr_requests But, I am running into JFS problem. I can't kill my "dd" process. They all get stuck in: (I am going to try ext3). dd D 0000000000000000 0 12943 1 12939 (NOTLB) ffff81010612d8f8 0000000000000086 ffff81019677a380 000000000003ffff 00000000d5b95298 ffff81010612d918 0000000000000003 ffff810169f63880 00000076d9f1ea00 0000000000000001 Call Trace:{submit_bio+223} {txBegin +625} {default_wake_function+0} {default_wake_function+0} {jfs_commit_inode+155} {jfs_write_inode+58} {__writeback_single_inode+551} {jfs_get_blocks+521} {find_get_page+92} {__find_get_block_slow+85} {generic_sync_sb_inodes+524} {writeback_inodes+125} {balance_dirty_pages_ratelimited+228} {generic_file_buffered_write+1221} {current_fs_time+85} {__mark_inode_dirty+52} {inode_update_time+188} {__generic_file_aio_write_nolock+938} {unmap_vmas+965} {__generic_file_write_nolock+158} {zeromap_page_range+990} {autoremove_wake_function+0} {__up_read+33} {generic_file_write+101} {vfs_write+233} {sys_write +83} {system_call+126} # ps -alx ... 0 0 12923 1 18 0 2900 512 txBegi D pts/1 0:01 dd if /dev/zero of /mnt2030/0 0 12925 1 18 0 2896 512 txBegi D pts/1 0:02 dd if /dev/zero of /mnt2029/0 0 12927 1 18 0 2896 512 txBegi D pts/1 0:01 dd if /dev/zero of /mnt2032/0 0 12928 1 18 0 2900 512 txBegi D pts/1 0:02 dd if /dev/zero of /mnt2034/0 0 12930 1 18 0 2900 512 txBegi D pts/1 0:02 dd if /dev/zero of /mnt2035/0 0 12932 1 18 0 2896 508 txBegi D pts/1 0:02 dd if /dev/zero of /mnt2037/0 0 12933 1 18 0 2896 512 txBegi D pts/1 0:02 dd if /dev/zero of /mnt2038/0 0 12935 1 18 0 2900 512 txBegi D pts/1 0:03 dd if /dev/zero of /mnt2040/ Thanks, Badari -- To unsubscribe, send a message with 'unsubscribe linux-mm' in the body to majordomo@kvack.org. For more info on Linux MM, see: http://www.linux-mm.org/ . Don't email: aart@kvack.org