From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S932194AbWFRQNs (ORCPT ); Sun, 18 Jun 2006 12:13:48 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S932217AbWFRQNs (ORCPT ); Sun, 18 Jun 2006 12:13:48 -0400 Received: from nz-out-0102.google.com ([64.233.162.198]:40987 "EHLO nz-out-0102.google.com") by vger.kernel.org with ESMTP id S932194AbWFRQNr (ORCPT ); Sun, 18 Jun 2006 12:13:47 -0400 DomainKey-Signature: a=rsa-sha1; q=dns; c=nofws; s=beta; d=gmail.com; h=received:message-id:date:from:to:subject:cc:in-reply-to:mime-version:content-type:content-transfer-encoding:content-disposition:references; b=erdoc7TRU0Uwvyjc0C1gXvSM6ot3i+T3HwFGezzXn56hWi/vcJN5aKFdbbGwidKulheI45Pi5+1TS3s+bWOkv9DWLJ0KOa1S//ysQWJXyqzg24faSYkS7WG1JLxjSkrbxlumf8JC0X6AExh6oR4mMhbN8QjXb7iA8YZQ+/UdQJc= Message-ID: <6bffcb0e0606180913o5826a928gb7e8d0a6dc4f461c@mail.gmail.com> Date: Sun, 18 Jun 2006 18:13:46 +0200 From: "Michal Piotrowski" To: "Ingo Molnar" Subject: Re: 2.6.17-rt1 Cc: linux-kernel@vger.kernel.org In-Reply-To: <20060618070641.GA6759@elte.hu> MIME-Version: 1.0 Content-Type: text/plain; charset=ISO-8859-1; format=flowed Content-Transfer-Encoding: 7bit Content-Disposition: inline References: <20060618070641.GA6759@elte.hu> Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org Hi Ingo, On 18/06/06, Ingo Molnar wrote: > i have released the 2.6.17-rt1 tree, which can be downloaded from the > usual place: > > http://redhat.com/~mingo/realtime-preempt/ > I get this when I reboot my system. Jun 18 17:59:26 ltg01-fedora kernel: skge eth0: disabling interface Jun 18 17:59:27 ltg01-fedora kernel: BUG: using smp_processor_id() in preemptible [00000000] code: modprobe/20325 Jun 18 17:59:27 ltg01-fedora kernel: caller is drain_array+0x15/0xe5 Jun 18 17:59:27 ltg01-fedora kernel: [] show_trace+0xd/0xf (8) Jun 18 17:59:27 ltg01-fedora kernel: [] dump_stack+0x17/0x19 (12) Jun 18 17:59:27 ltg01-fedora kernel: [] debug_smp_processor_id+0x7b/0x8c (32) Jun 18 17:59:27 ltg01-fedora kernel: [] drain_array+0x15/0xe5 (32) Jun 18 17:59:27 ltg01-fedora kernel: [] __cache_shrink+0x35/0xab (32) Jun 18 17:59:27 ltg01-fedora kernel: [] kmem_cache_destroy+0x76/0x12e (16) Jun 18 17:59:27 ltg01-fedora kernel: [] ip_conntrack_cleanup+0x80/0xad [ip_conntrack] (12) Jun 18 17:59:27 ltg01-fedora kernel: [] ip_conntrack_standalone_fini+0x56/0x85 [ip_conntrack] (8) Jun 18 17:59:27 ltg01-fedora kernel: [] sys_delete_module+0x18f/0x1b6 (96) Jun 18 17:59:27 ltg01-fedora kernel: [] sysenter_past_esp+0x54/0x75 (-4020) Jun 18 17:59:27 ltg01-fedora kernel: --------------------------- Jun 18 17:59:27 ltg01-fedora kernel: | preempt count: 00000001 ] Jun 18 17:59:27 ltg01-fedora kernel: | 1-level deep critical section nesting: Jun 18 17:59:27 ltg01-fedora kernel: ---------------------------------------- Jun 18 17:59:27 ltg01-fedora kernel: .. [] .... debug_smp_processor_id+0x41/0x8c Jun 18 17:59:27 ltg01-fedora kernel: .....[] .. ( <= drain_array+0x15/0xe5) Jun 18 17:59:27 ltg01-fedora kernel: Jun 18 17:59:27 ltg01-fedora kernel: ------------------------------ Jun 18 17:59:27 ltg01-fedora kernel: | showing all locks held by: | (modprobe/20325 [f72380b0, 117]): Jun 18 17:59:27 ltg01-fedora kernel: ------------------------------ Jun 18 17:59:27 ltg01-fedora kernel: Jun 18 17:59:27 ltg01-fedora kernel: #001: [c0313d04] {cpucontrol.lock} Jun 18 17:59:27 ltg01-fedora kernel: ... acquired at: rt_down+0x11/0x28 Jun 18 17:59:27 ltg01-fedora kernel: Jun 18 17:59:27 ltg01-fedora kernel: BUG: modprobe:20325 task might have lost a preemption check! Jun 18 17:59:27 ltg01-fedora kernel: [] show_trace+0xd/0xf (8) Jun 18 17:59:27 ltg01-fedora kernel: [] dump_stack+0x17/0x19 (12) Jun 18 17:59:27 ltg01-fedora kernel: [] preempt_enable_no_resched+0x4c/0x51 (20) Jun 18 17:59:27 ltg01-fedora kernel: [] debug_smp_processor_id+0x83/0x8c (16) Jun 18 17:59:27 ltg01-fedora kernel: [] drain_array+0x15/0xe5 (32) Jun 18 17:59:27 ltg01-fedora kernel: [] __cache_shrink+0x35/0xab (32) Jun 18 17:59:27 ltg01-fedora kernel: [] kmem_cache_destroy+0x76/0x12e (16) Jun 18 17:59:27 ltg01-fedora kernel: [] ip_conntrack_cleanup+0x80/0xad [ip_conntrack] (12) Jun 18 17:59:27 ltg01-fedora kernel: [] ip_conntrack_standalone_fini+0x56/0x85 [ip_conntrack] (8) Jun 18 17:59:27 ltg01-fedora kernel: [] sys_delete_module+0x18f/0x1b6 (96) Jun 18 17:59:27 ltg01-fedora kernel: [] sysenter_past_esp+0x54/0x75 (-4020) Jun 18 17:59:27 ltg01-fedora kernel: --------------------------- Jun 18 17:59:27 ltg01-fedora kernel: | preempt count: 00000000 ] Jun 18 17:59:27 ltg01-fedora kernel: | 0-level deep critical section nesting: Jun 18 17:59:27 ltg01-fedora kernel: ---------------------------------------- Jun 18 17:59:27 ltg01-fedora kernel: Jun 18 17:59:27 ltg01-fedora kernel: ------------------------------ Jun 18 17:59:27 ltg01-fedora kernel: | showing all locks held by: | (modprobe/20325 [f72380b0, 117]): Jun 18 17:59:27 ltg01-fedora kernel: ------------------------------ Jun 18 17:59:27 ltg01-fedora kernel: Jun 18 17:59:27 ltg01-fedora kernel: #001: [c0313d04] {cpucontrol.lock} Jun 18 17:59:27 ltg01-fedora kernel: ... acquired at: rt_down+0x11/0x28 Jun 18 17:59:27 ltg01-fedora kernel: Jun 18 17:59:27 ltg01-fedora kernel: BUG: using smp_processor_id() in preemptible [00000000] code: modprobe/20325 Jun 18 17:59:27 ltg01-fedora kernel: BUG: using smp_processor_id() in preemptible [00000000] code: modprobe/20325 Jun 18 17:59:27 ltg01-fedora kernel: caller is drain_array+0x15/0xe5 Jun 18 17:59:27 ltg01-fedora kernel: [] show_trace+0xd/0xf (8) Jun 18 17:59:27 ltg01-fedora kernel: [] dump_stack+0x17/0x19 (12) Jun 18 17:59:27 ltg01-fedora kernel: [] debug_smp_processor_id+0x7b/0x8c (32) Jun 18 17:59:27 ltg01-fedora kernel: [] drain_array+0x15/0xe5 (32) Jun 18 17:59:27 ltg01-fedora kernel: [] __cache_shrink+0x35/0xab (32) Jun 18 17:59:27 ltg01-fedora kernel: [] kmem_cache_destroy+0x76/0x12e (16) Jun 18 17:59:27 ltg01-fedora kernel: [] ip_conntrack_cleanup+0x8a/0xad [ip_conntrack] (12) Jun 18 17:59:27 ltg01-fedora kernel: [] ip_conntrack_standalone_fini+0x56/0x85 [ip_conntrack] (8) Jun 18 17:59:27 ltg01-fedora kernel: [] sys_delete_module+0x18f/0x1b6 (96) Jun 18 17:59:27 ltg01-fedora kernel: Kernel logging (proc) stopped. Here is a config file http://www.stardust.webpages.pl/files/rt/2.6.17-rt1/rt-config Regards, Michal -- Michal K. K. Piotrowski LTG - Linux Testers Group (http://www.stardust.webpages.pl/ltg/wiki/)