Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S261271AbVBMNBW (ORCPT ); Sun, 13 Feb 2005 08:01:22 -0500 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S261269AbVBMNBW (ORCPT ); Sun, 13 Feb 2005 08:01:22 -0500 Received: from smtp6.wanadoo.fr ([193.252.22.25]:36756 "EHLO smtp6.wanadoo.fr") by vger.kernel.org with ESMTP id S261268AbVBMNBB (ORCPT ); Sun, 13 Feb 2005 08:01:01 -0500 X-ME-UUID: 20050213130045858.D1765240012A@mwinf0609.wanadoo.fr Date: Sun, 13 Feb 2005 14:00:58 +0100 From: Philippe Elie To: Lee Revell Cc: Ingo Molnar , linux-kernel Subject: Re: Oops with oprofile + RT preempt 2.6.11-rc2-RT-V0.7.37-01 Message-ID: <20050213130058.GA566@zaniah> References: <1108274835.3739.2.camel@krustophenia.net> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <1108274835.3739.2.camel@krustophenia.net> User-Agent: Mutt/1.4.2.1i Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 1472 Lines: 42 On Sun, 13 Feb 2005 at 01:07 +0000, Lee Revell wrote: > Are there any known incompatibilities with oprofile and the RT preempt patch? > > Lee > > Oops: 0000 [#1] > PREEMPT > alloc > CPU: 0 > EIP: 0060:[oprofilefs_str_to_user+21/64] Not tainted VLI > EFLAGS: 00010246 (2.6.11-rc2-RT-V0.7.37-01) > EIP is at oprofilefs_str_to_user+0x15/0x40 > eax: 00000000 ebx: 00000000 ecx: ffffffff edx: 00000000 > esi: d593b6a0 edi: 00000000 ebp: cb966f6c esp: cb966f68 > ds: 007b es: 007b ss: 0068 preempt: 00000001 > Process cat (pid: 3290, threadinfo=cb966000 task=d083ce10) > Stack: cb966fa8 cb966f90 c01529ec 00000000 0804d038 00001000 cb966fa8 d593b6a0 > fffffff7 0804d038 cb966fbc c0152cc1 d593b6a0 0804d038 00001000 cb966fa8 > 00000000 00000000 00000000 00000003 00001000 cb966000 c01026a4 00000003 oprofile_files.c: oprofilefs_str_to_user(oprofile_ops.cpu_type, buf, count, offset); oprofilefs.c: ssize_t oprofilefs_str_to_user(char const * str, char __user * buf, size_t count, loff_t * offset) { return simple_read_from_buffer(buf, count, offset, str, strlen(str)); } oprofile_ops.cpu_type == NULL, this has been fixed 3 weeks ago, can you retry with -rc4 ? Philippe Elie - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/