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Message-ID: <20130319224408.GB18152@redhat.com> Date: Tue, 19 Mar 2013 18:44:08 -0400 From: Dave Jones <davej@...hat.com> To: Linux Kernel <linux-kernel@...r.kernel.org> Cc: x86@...nel.org Subject: cpu offline causes backtrace from cmci_rediscover offlining a CPU in 3.9-rc3 gets me this trace.. numa_remove_cpu cpu 1 node 0: mask now 0,2-3 smpboot: CPU 1 is now offline BUG: using smp_processor_id() in preemptible [00000000] code: cpu-offline.sh/10591 caller is cmci_rediscover+0x6a/0xe0 Pid: 10591, comm: cpu-offline.sh Not tainted 3.9.0-rc3+ #2 Call Trace: [<ffffffff81333bbd>] debug_smp_processor_id+0xdd/0x100 [<ffffffff8101edba>] cmci_rediscover+0x6a/0xe0 [<ffffffff815f5b9f>] mce_cpu_callback+0x19d/0x1ae [<ffffffff8160ea66>] notifier_call_chain+0x66/0x150 [<ffffffff8107ad7e>] __raw_notifier_call_chain+0xe/0x10 [<ffffffff8104c2e3>] cpu_notify+0x23/0x50 [<ffffffff8104c31e>] cpu_notify_nofail+0xe/0x20 [<ffffffff815ef082>] _cpu_down+0x302/0x350 [<ffffffff815ef106>] cpu_down+0x36/0x50 [<ffffffff815f1c9d>] store_online+0x8d/0xd0 [<ffffffff813edc48>] dev_attr_store+0x18/0x30 [<ffffffff81226eeb>] sysfs_write_file+0xdb/0x150 [<ffffffff811adfb2>] vfs_write+0xa2/0x170 [<ffffffff811ae16c>] sys_write+0x4c/0xa0 [<ffffffff81613019>] system_call_fastpath+0x16/0x1b -- 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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