From mboxrd@z Thu Jan 1 00:00:00 1970 Date: Fri, 18 Apr 2008 00:50:34 -0700 From: Andrew Morton Subject: Re: 2.6.25-mm1: not looking good Message-Id: <20080418005034.6e4dd9e7.akpm@linux-foundation.org> In-Reply-To: <20080417160331.b4729f0c.akpm@linux-foundation.org> References: <20080417160331.b4729f0c.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 Cc: Peter Zijlstra List-ID: Another runtime warning on the t61p: Brought up 2 CPUs Total of 2 processors activated (9583.80 BogoMIPS). CPU0 attaching sched-domain: domain 0: span 00000000,00000003 groups: 00000000,00000001 00000000,00000002 domain 1: span 00000000,00000003 groups: 00000000,00000003 CPU1 attaching sched-domain: domain 0: span 00000000,00000003 groups: 00000000,00000002 00000000,00000001 domain 1: span 00000000,00000003 groups: 00000000,00000003 ------------[ cut here ]------------ WARNING: at kernel/lockdep.c:2677 check_flags+0x84/0x11f() Modules linked in: Pid: 0, comm: swapper Not tainted 2.6.25-mm1 #15 Call Trace: [] ? print_modules+0x88/0x8f [] warn_on_slowpath+0x58/0x7f [] ? trace_hardirqs_off+0xd/0xf [] ? trace_hardirqs_off_caller+0x1d/0x9c [] ? trace_hardirqs_off+0xd/0xf [] ? trace_hardirqs_off_caller+0x1d/0x9c [] ? trace_hardirqs_off+0xd/0xf [] ? __lock_acquire+0x809/0x893 [] ? trace_hardirqs_off_caller+0x1d/0x9c [] ? trace_hardirqs_off+0xd/0xf [] ? __atomic_notifier_call_chain+0x0/0x81 [] check_flags+0x84/0x11f [] lock_acquire+0x54/0xb4 [] __atomic_notifier_call_chain+0x44/0x81 [] ? mwait_idle+0x0/0x49 [] atomic_notifier_call_chain+0xf/0x11 [] __exit_idle+0x27/0x29 [] cpu_idle+0xdf/0xf7 [] start_secondary+0xb2/0xb4 ---[ end trace 93d72a36b9146f22 ]--- possible reason: unannotated irqs-on. irq event stamp: 34 hardirqs last enabled at (33): [] trace_hardirqs_on_thunk+0x3a/0x3f hardirqs last disabled at (34): [] trace_hardirqs_off+0xd/0xf softirqs last enabled at (32): [] __do_softirq+0xc5/0xce softirqs last disabled at (25): [] call_softirq+0x1c/0x28 calling init_cpufreq_transition_notifier_list+0x0/0x1b() initcall init_cpufreq_transition_notifier_list+0x0/0x1b() returned 0 after 0 msecs calling net_ns_init+0x0/0x12a() net_namespace: 1352 bytes initcall net_ns_init+0x0/0x12a() returned 0 after 0 msecs calling cpufreq_tsc+0x0/0x16() dmesg: http://userweb.kernel.org/~akpm/x.txt config: http://userweb.kernel.org/~akpm/config-t61p.txt but it lumbered to a login prompt, which is more than good enough for this pile of dung. The number of runtime warnings, compile errors and runtime failures which have been added since 2.6.25-rc8-mm2 is astonishing. -- 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