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Date: Sat, 15 Mar 2008 00:51:42 +0100 From: "Zdenek Kabelac" <zdenek.kabelac@...il.com> To: "Kernel development list" <linux-kernel@...r.kernel.org> Subject: WARNING: at kernel/lockdep.c:2662 check_flags Hi I'm getting this warning trace with current kernel git tree: [ 0.003346] ------------[ cut here ]------------ [ 0.003346] WARNING: at kernel/lockdep.c:2662 check_flags+0x18d/0x1a0() [ 0.003346] Modules linked in: [ 0.003346] Pid: 0, comm: swapper Not tainted 2.6.25-rc5-replic-server #55 [ 0.003346] [ 0.003346] Call Trace: [ 0.003346] [<ffffffff8103c0ef>] warn_on_slowpath+0x5f/0x90 [ 0.003346] [<ffffffff81013858>] ? native_sched_clock+0x78/0x80 [ 0.003346] [<ffffffff81063edd>] ? __lock_acquire+0x35d/0x1160 [ 0.003346] [<ffffffff8103599a>] ? hrtick_set+0x7a/0x130 [ 0.003346] [<ffffffff812f5a65>] ? _spin_unlock_irqrestore+0x65/0x90 [ 0.003346] [<ffffffff812f5a45>] ? _spin_unlock_irqrestore+0x45/0x90 [ 0.003346] [<ffffffff8106157a>] ? get_lock_stats+0x2a/0x70 [ 0.003346] [<ffffffff812f9590>] ? __atomic_notifier_call_chain+0x0/0xd0 [ 0.003346] [<ffffffff81060add>] check_flags+0x18d/0x1a0 [ 0.003346] [<ffffffff81064d3d>] lock_acquire+0x5d/0xe0 [ 0.003346] [<ffffffff812f95eb>] __atomic_notifier_call_chain+0x5b/0xd0 [ 0.003346] [<ffffffff8100a140>] ? mwait_idle+0x0/0x60 [ 0.003346] [<ffffffff8100b520>] ? default_idle+0x0/0x80 [ 0.003346] [<ffffffff812f9671>] atomic_notifier_call_chain+0x11/0x20 [ 0.003346] [<ffffffff8100b4b3>] cpu_idle+0xe3/0x150 [ 0.003346] [<ffffffff812ef0a5>] start_secondary+0x407/0x462 [ 0.003346] [ 0.003346] ---[ end trace ca143223eefdc828 ]--- [ 0.003346] possible reason: unannotated irqs-on. [ 0.003346] irq event stamp: 18 [ 0.003346] hardirqs last enabled at (17): [<ffffffff8105f4e5>] tick_nohz_stop_sched_tick+0xe5/0x390 [ 0.003346] hardirqs last disabled at (18): [<ffffffff8100b435>] cpu_idle+0x65/0x150 [ 0.003346] softirqs last enabled at (0): [<ffffffff8103a29e>] copy_process+0x41e/0x17a0 [ 0.003346] softirqs last disabled at (0): [<0000000000000000>] 0x0 Zdenek -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@...r.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
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