From mboxrd@z Thu Jan 1 00:00:00 1970 Date: Fri, 18 Apr 2008 00:57:33 -0700 From: Andrew Morton Subject: Re: 2.6.25-mm1: not looking good Message-Id: <20080418005733.aa3e8250.akpm@linux-foundation.org> In-Reply-To: <20080418005323.7c015c42.akpm@linux-foundation.org> References: <20080417160331.b4729f0c.akpm@linux-foundation.org> <20080418005034.6e4dd9e7.akpm@linux-foundation.org> <20080418005323.7c015c42.akpm@linux-foundation.org> Mime-Version: 1.0 Content-Type: text/plain; charset=US-ASCII Content-Transfer-Encoding: 7bit Sender: owner-linux-mm@kvack.org Return-Path: To: Ingo Molnar , Thomas Gleixner , Pekka Enberg , linux-usb@vger.kernel.org, linux-kernel@vger.kernel.org, linux-mm@kvack.org, James Morris , Stephen Smalley , Peter Zijlstra , linux-pm@lists.linux-foundation.org, Greg KH , "Rafael J. Wysocki" , Pavel Machek List-ID: On Fri, 18 Apr 2008 00:53:23 -0700 Andrew Morton wrote: > oop, there's more: I found another machine! This one's an old 4-way Nocona (x86_64) http://userweb.kernel.org/~akpm/config-x.txt http://userweb.kernel.org/~akpm/dmesg-x.txt CPU: Physical Processor ID: 0 CPU: Processor Core ID: 0 CPU0: Thermal monitoring enabled (TM1) ACPI: Core revision 20080321 Parsing all Control Methods: Table [DSDT](id 0001) - 461 Objects with 50 Devices 130 Methods 11 Regions tbxface-0598 [00] tb_load_namespace : ACPI Tables successfully acquired evxfevnt-0091 [00] enable : Transition to ACPI mode successful ------------[ cut here ]------------ WARNING: at arch/x86/kernel/genapic_64.c:86 read_apic_id+0x31/0x67() Modules linked in: Pid: 1, comm: swapper Not tainted 2.6.25-mm1 #16 Call Trace: [] ? print_modules+0x88/0x8f [] warn_on_slowpath+0x58/0x81 [] ? debug_spin_lock_after+0x18/0x1f [] ? _raw_spin_lock+0x116/0x120 [] ? sub_preempt_count+0x6d/0x74 [] ? _spin_unlock_irqrestore+0x33/0x40 [] ? debug_smp_processor_id+0x32/0xc4 [] read_apic_id+0x31/0x67 [] verify_local_APIC+0xa7/0x163 [] native_smp_prepare_cpus+0x1ed/0x301 [] kernel_init+0x5a/0x276 [] ? _spin_unlock_irq+0x2a/0x35 [] ? finish_task_switch+0x68/0x7f [] child_rip+0xa/0x12 [] ? kernel_init+0x0/0x276 [] ? child_rip+0x0/0x12 ---[ end trace 4eaa2a86a8e2da22 ]--- ------------[ cut here ]------------ WARNING: at arch/x86/kernel/genapic_64.c:86 read_apic_id+0x31/0x67() Modules linked in: Pid: 1, comm: swapper Tainted: G W 2.6.25-mm1 #16 Call Trace: [] ? print_modules+0x88/0x8f [] warn_on_slowpath+0x58/0x81 [] ? debug_spin_lock_after+0x18/0x1f [] ? _raw_spin_lock+0x116/0x120 [] ? sub_preempt_count+0x6d/0x74 [] ? _spin_unlock_irqrestore+0x33/0x40 [] ? debug_smp_processor_id+0x32/0xc4 [] read_apic_id+0x31/0x67 [] verify_local_APIC+0xde/0x163 [] native_smp_prepare_cpus+0x1ed/0x301 [] kernel_init+0x5a/0x276 [] ? _spin_unlock_irq+0x2a/0x35 [] ? finish_task_switch+0x68/0x7f [] child_rip+0xa/0x12 [] ? kernel_init+0x0/0x276 [] ? child_rip+0x0/0x12 ---[ end trace 4eaa2a86a8e2da22 ]--- That's WARN_ON(preemptible()); in read_apic_id(). Now I'll release it all. heh. -- 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: email@kvack.org