Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1754926AbYFAIBH (ORCPT ); Sun, 1 Jun 2008 04:01:07 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1751369AbYFAIAz (ORCPT ); Sun, 1 Jun 2008 04:00:55 -0400 Received: from sovereign.computergmbh.de ([85.214.69.204]:52493 "EHLO sovereign.computergmbh.de" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1750988AbYFAIAy (ORCPT ); Sun, 1 Jun 2008 04:00:54 -0400 Date: Sun, 1 Jun 2008 10:00:52 +0200 (CEST) From: Jan Engelhardt To: Steven Rostedt cc: LKML , RT , Ingo Molnar , Thomas Gleixner Subject: Re: 2.6.25.4-rt4 In-Reply-To: <1212076754.24785.18.camel@localhost.localdomain> Message-ID: References: <1212076754.24785.18.camel@localhost.localdomain> User-Agent: Alpine 1.10 (LNX 962 2008-03-14) MIME-Version: 1.0 Content-Type: TEXT/PLAIN; charset=US-ASCII Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 3011 Lines: 70 On Thursday 2008-05-29 17:59, Steven Rostedt wrote: >We are pleased to announce the 2.6.25.4-rt4 tree,[...] I am getting tons of the following two stack traces (see below) during normal operation. 2.6.25.4-rt4, compiled for i586+SMP, running on i686+UP. syslogd even gets so far as to say "suppressed 134 messages", so it's really a lot. I am tempted to just disable CONFIG_DEBUG_PREEMPT because otherwise it seems to work. kernel: BUG: using smp_processor_id() in preemptible [00000000] code: xfssyncd/491 l: caller is __rcu_preempt_unboost+0x20/0xd0 l: Pid: 491, comm: xfssyncd Tainted: G N 2.6.25.4-jen67-rt #1 l: [] debug_smp_processor_id+0xba/0xc0 l: [] __rcu_preempt_unboost+0x20/0xd0 l: [] ? radix_tree_lookup_slot+0x3c/0xf0 l: [] __rcu_read_unlock+0x92/0xa0 l: [] find_get_page+0x87/0x120 l: [] find_lock_page+0x1e/0x70 l: [] find_or_create_page+0x34/0xc0 l: [] _xfs_buf_lookup_pages+0x142/0x290 [xfs] l: [] ? init_waitqueue_head+0x15/0x30 l: [] xfs_buf_get_flags+0x6a/0x140 [xfs] l: [] xfs_buf_read_flags+0x1d/0x90 [xfs] l: [] xfs_trans_read_buf+0x4b/0x340 [xfs] l: [] xfs_itobp+0x70/0x1e0 [xfs] l: [] xfs_iflush+0xe1/0x480 [xfs] l: [] xfs_finish_reclaim+0x101/0x190 [xfs] l: [] xfs_finish_reclaim_all+0xb9/0xd0 [xfs] l: [] xfs_syncsub+0x5f/0x2f0 [xfs] l: [] xfs_sync+0x48/0x70 [xfs] l: [] xfs_sync_worker+0x27/0x50 [xfs] l: [] xfssyncd+0x129/0x1a0 [xfs] l: [] ? xfssyncd+0x0/0x1a0 [xfs] l: [] kthread+0x42/0x70 l: [] ? kthread+0x0/0x70 l: [] kernel_thread_helper+0x7/0x10 kernel: BUG: using smp_processor_id() in preemptible [00000000] code: IRQ-1/30 l: caller is __rcu_preempt_unboost+0x20/0xd0 l: Pid: 30, comm: IRQ-1 Tainted: G N 2.6.25.4-jen67-rt #1 l: [] debug_smp_processor_id+0xba/0xc0 l: [] __rcu_preempt_unboost+0x20/0xd0 l: [] __rcu_read_unlock+0x92/0xa0 l: [] ? evdev_event+0x0/0xc0 l: [] input_pass_event+0x3e/0xb0 l: [] ? atkbd_event+0x0/0x50 l: [] input_handle_event+0x135/0x3f0 l: [] input_event+0x5c/0x70 l: [] atkbd_interrupt+0x151/0x5c0 l: [] ? add_preempt_count+0x11/0xa0 l: [] ? __rt_spin_lock+0x25/0x70 l: [] serio_interrupt+0x38/0x80 l: [] i8042_interrupt+0x10a/0x240 l: [] handle_IRQ_event+0x60/0xf0 l: [] ? add_preempt_count+0x11/0xa0 l: [] do_irqd+0x1cb/0x290 l: [] ? do_irqd+0x0/0x290 l: [] kthread+0x42/0x70 l: [] ? kthread+0x0/0x70 -- 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/