On Thu, Jun 30, 2016 at 11:40:17AM -0500, Corey Minyard wrote: > I'm not sure. I've included the entire boot log below... ... > [ 0.164185] [<ffffffff8106dcd8>] try_to_wake_up+0x28/0x320 > [ 0.164188] [<ffffffff8106dfe0>] wake_up_process+0x10/0x20 > [ 0.164207] [<ffffffff8101c548>] mce_notify_irq+0x28/0x30 > [ 0.164210] [<ffffffff8101df35>] intel_threshold_interrupt+0xb5/0xd0 > [ 0.164213] [<ffffffff8101e88c>] smp_threshold_interrupt+0x1c/0x40 > [ 0.164221] [<ffffffff816f9b5a>] threshold_interrupt+0x6a/0x70 > [ 0.164223] <EOI> > [ 0.164226] [<ffffffff8101dda7>] ? cmci_recheck+0x67/0x70 > [ 0.164241] [<ffffffff816e9777>] setup_local_APIC+0x276/0x283 > [ 0.164259] [<ffffffff81caf010>] native_smp_prepare_cpus+0x379/0x43b > [ 0.164266] [<ffffffff81ca3e4f>] kernel_init_freeable+0xd7/0x21a > [ 0.164270] [<ffffffff816df1f0>] ? rest_init+0x90/0x90 > [ 0.164272] [<ffffffff816df1f9>] kernel_init+0x9/0x180 > [ 0.164275] [<ffffffff816f8dc8>] ret_from_fork+0x58/0x90 > [ 0.164277] [<ffffffff816df1f0>] ? rest_init+0x90/0x90 > [ 0.164295] Code: e7 ff ff 48 8b 7d 08 e8 02 1a 95 ff 5d c3 55 48 89 e5 > 41 54 53 48 89 fb 9c 41 5c fa bf 01 00 00 00 e8 a8 38 00 00 ba 00 01 00 00 > <f0> 66 0f c1 13 0f b6 ce 38 d1 74 10 0f 1f 80 00 00 00 00 f3 90 > [ 0.164298] RIP [<ffffffff816f344d>] _raw_spin_lock_irqsave+0x1d/0x50 > [ 0.164298] RSP <ffff88017fa03f00> > [ 0.164299] CR2: 0000000000000600 > [ 0.656225] ---[ end trace 0000000000000001 ]--- > [ 0.656233] Kernel panic - not syncing: Fatal exception in interrupt Hmm, we have that setup_local_APIC -> cmci_recheck path on latest kernel too. However, we do init CMCI earlier, down the start_kernel() path. Would it be possible to boot latest upstream kernel on it to see whether it explodes the same way? Thanks. -- Regards/Gruss, Boris. ECO tip #101: Trim your mails when you reply. -- To unsubscribe from this list: send the line "unsubscribe linux-rt-users" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html