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Message-ID: <20090617031624.GA30905@Krystal> Date: Tue, 16 Jun 2009 23:16:24 -0400 From: Mathieu Desnoyers <mathieu.desnoyers@...ymtl.ca> To: Ingo Molnar <mingo@...e.hu> Cc: linux-kernel@...r.kernel.org Subject: [2.6.30 BUG] CPU hotplug and alternatives problem when going 2 -> 1 CPU Hi, I ran into a "stucked process" when trying to bring down all my CPUs on a 2.6.30 kernel (+ lttng patchset). It's Intel Core2 Xeon. My printk output showed : [ 133.866683] CPU 1 is now offline [ 134.958702] CPU 2 is now offline [ 136.054832] CPU 3 is now offline [ 137.148867] CPU 4 is now offline [ 138.252997] CPU 5 is now offline [ 139.455014] CPU 6 is now offline [ 140.561271] CPU 7 is now offline [ 140.570979] SMP alternatives: switching to UP code Booting with noreplace-smp makes everything work fine. Maybe it's a new bug in 2.6.30 ? Mathieu -- Mathieu Desnoyers OpenPGP key fingerprint: 8CD5 52C3 8E3C 4140 715F BA06 3F25 A8FE 3BAE 9A68 -- 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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