Description of problem: Noted the following warning in journal: kernel: WARNING: CPU: 0 PID: 1 at drivers/iommu/intel_irq_remapping.c:533 intel_irq_remapping_supported+0x35/0x78() kernel: [232B blob data] kernel: Modules linked in: kernel: CPU: 0 PID: 1 Comm: swapper/0 Not tainted 3.11.2-201.fc19.x86_64 #1 kernel: Hardware name: /DX58SO, BIOS SOX5810J.86A.4158.2009.0622.2125 06/22/2009 kernel: 000000000000000b ffff880419509d88 ffffffff8164775f ffff880419509dd0 kernel: ffff880419509dc0 ffffffff8106715d 0000000000000000 0000000000000246 kernel: 00000000ffffffff 0000000000000080 0000000000000000 ffff880419509e20 kernel: Call Trace: kernel: [<ffffffff8164775f>] dump_stack+0x45/0x56 kernel: [<ffffffff8106715d>] warn_slowpath_common+0x7d/0xa0 kernel: [<ffffffff81067214>] warn_slowpath_fmt_taint+0x44/0x50 kernel: [<ffffffff81042a50>] ? ioapic_read_entry+0x40/0x50 kernel: [<ffffffff81d5f68e>] intel_irq_remapping_supported+0x35/0x78 kernel: [<ffffffff8152b29b>] irq_remapping_supported+0x2b/0x30 kernel: [<ffffffff81d21660>] enable_IR+0xa/0x60 kernel: [<ffffffff81d218b6>] enable_IR_x2apic+0x8d/0x13f kernel: [<ffffffff81d236cb>] default_setup_apic_routing+0x11/0x69 kernel: [<ffffffff81d1f5c8>] native_smp_prepare_cpus+0x2c0/0x3c2 kernel: [<ffffffff81d0efbb>] kernel_init_freeable+0xba/0x1fa kernel: [<ffffffff8163da20>] ? rest_init+0x80/0x80 kernel: [<ffffffff8163da2e>] kernel_init+0xe/0x190 kernel: [<ffffffff8165686c>] ret_from_fork+0x7c/0xb0 kernel: [<ffffffff8163da20>] ? rest_init+0x80/0x80 I have only noticed this, but it may have been present since a recent upgrade to F19. Version-Release number of selected component (if applicable): 3.11.2-201.fc19.x86_64 How reproducible: Present on every re-boot. Additional info: Is this something to be concerned about?
*** This bug has been marked as a duplicate of bug 982153 ***