From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S262137AbVFHHyq (ORCPT ); Wed, 8 Jun 2005 03:54:46 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S262139AbVFHHyp (ORCPT ); Wed, 8 Jun 2005 03:54:45 -0400 Received: from web33315.mail.mud.yahoo.com ([68.142.206.130]:24473 "HELO web33315.mail.mud.yahoo.com") by vger.kernel.org with SMTP id S262137AbVFHHyl (ORCPT ); Wed, 8 Jun 2005 03:54:41 -0400 DomainKey-Signature: a=rsa-sha1; q=dns; c=nofws; s=s1024; d=yahoo.com; h=Message-ID:Received:Date:From:Subject:To:MIME-Version:Content-Type:Content-Transfer-Encoding; b=m0Ast8cAwESfq7yla+FFpu2sUdp9U8z09I6rA/vULHjJih42VR3tVQM8tsb5w1Y7N/nUzpK57tkIKynlwppfS8LF/xbD31vmvdwRtb8NROvZEcuoZSXdZWpPYDgTY53j8U/AaMTBO9VQ6VvtDr5OxHIBuNIvKe/FQ3e2CZ/nUwA= ; Message-ID: <20050608075441.97875.qmail@web33315.mail.mud.yahoo.com> Date: Wed, 8 Jun 2005 00:54:40 -0700 (PDT) From: li nux Subject: oops on using io_submit To: linux MIME-Version: 1.0 Content-Type: text/plain; charset=US-ASCII Content-Transfer-Encoding: 7BIT Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org I am getting kernel oops on using io_submit in my application, trying to read 500Mb files. sometimes the system freezes. any idea why this is happening ? I am using sles9. uname -a: Linux myhost 2.6.5-7.172-bigsmp #1 SMP Tue May 10 17:15:56 UTC 2005 i686 i686 i386 GNU/Linux Jun 8 11:37:15 myhost kernel: Unable to handle kernel NULL pointer dereference at virtual address 00000020 Jun 8 11:37:15 myhost kernel: printing eip: Jun 8 11:37:15 myhost kernel: c019f1ae Jun 8 11:37:15 myhost kernel: *pde = 35935001 Jun 8 11:37:15 myhost kernel: Oops: 0002 [#2] Jun 8 11:37:15 myhost kernel: SMP Jun 8 11:37:15 myhost kernel: CPU: 2 Jun 8 11:37:15 myhost kernel: EIP: 0060:[] Tainted: G U Jun 8 11:37:15 myhost kernel: EFLAGS: 00010096 (2.6.5-7.172-bigsmp SLES9_SP2_BRANCH-200505101715560000) Jun 8 11:37:15 myhost kernel: EIP is at aio_put_req+0xe/0x60 Jun 8 11:37:15 myhost kernel: eax: f1a62200 ebx: 00000000 ecx: f2cd5f2c edx: f1a62200 Jun 8 11:37:15 myhost kernel: esi: f1a62200 edi: f2cd5f70 ebp: f7582d80 esp: f2cd5f3c Jun 8 11:37:15 myhost kernel: ds: 007b es: 007b ss: 0068 Jun 8 11:37:15 myhost kernel: Process runaio (pid: 23453, threadinfo=f2cd4000 task=f772f320) Jun 8 11:37:15 myhost kernel: Stack: 00000000 f1a62200 c019f3b7 00000000 0814e6fc 0814e6fc f7582d80 00000000 Jun 8 11:37:15 myhost kernel: 00000000 c019f4f5 f2cd4000 00000000 fffffff2 0814e6fc 00000000 00000000 Jun 8 11:37:15 myhost kernel: 00000000 00000001 00000004 0814e800 00000000 00002000 00000000 001ec000 Jun 8 11:37:15 myhost kernel: Call Trace: Jun 8 11:37:15 myhost kernel: [] io_submit_one+0x1b7/0x210 Jun 8 11:37:15 myhost kernel: [] sys_io_submit+0xe5/0x150 Jun 8 11:37:15 myhost kernel: [] syscall_call+0x7/0xb Jun 8 11:37:15 myhost kernel: Jun 8 11:37:15 myhost kernel: Code: f0 fe 4b 20 0f 88 24 0b 00 00 89 c2 89 d8 e8 ff ec ff ff 89 Jun 8 11:37:15 myhost kernel: <7>exit_aio:ioctx still alive: 2 1 0 __________________________________________________ Do You Yahoo!? Tired of spam? Yahoo! Mail has the best spam protection around http://mail.yahoo.com