FYI, we noticed the below changes on commit 50d1bb93672fa2f42cec6e06ce799fbe864f57e9 ("sb_edac: add support for Haswell based systems") Something new in kernel log. This may be expected. Just FYI. [ 12.490615] EDAC sbridge: Seeking for: PCI ID 8086:2fa0 [ 12.491031] EDAC sbridge: Seeking for: PCI ID 8086:2fa0 [ 12.491454] EDAC sbridge: Seeking for: PCI ID 8086:2ffc [ 12.491865] EDAC sbridge: Seeking for: PCI ID 8086:2ffc [ 12.492284] EDAC sbridge: Seeking for: PCI ID 8086:2ffd [ 12.492698] EDAC sbridge: Seeking for: PCI ID 8086:2ffd [ 12.493110] EDAC sbridge: Seeking for: PCI ID 8086:2f60 [ 12.493528] EDAC sbridge: Seeking for: PCI ID 8086:2fa8 [ 12.493943] EDAC sbridge: Seeking for: PCI ID 8086:2fa8 [ 12.494359] EDAC sbridge: Seeking for: PCI ID 8086:2f71 [ 12.494789] EDAC sbridge: Seeking for: PCI ID 8086:2f71 [ 12.495206] EDAC sbridge: Seeking for: PCI ID 8086:2faa [ 12.495622] EDAC sbridge: Seeking for: PCI ID 8086:2faa [ 12.496040] EDAC sbridge: Seeking for: PCI ID 8086:2fab [ 12.496462] EDAC sbridge: Seeking for: PCI ID 8086:2fab [ 12.496878] EDAC sbridge: Seeking for: PCI ID 8086:2fac [ 12.497297] EDAC sbridge: Seeking for: PCI ID 8086:2fac [ 12.497714] EDAC sbridge: Seeking for: PCI ID 8086:2fad [ 12.497923] IOAPIC[0]: Set routing entry (8-22 -> 0xb3 -> IRQ 22 Mode:1 Active:1 Dest:1) [ 12.497927] IOAPIC[0]: Set IRTE entry (P:1 FPD:0 Dst_Mode:1 Redir_hint:1 Trig_Mode:0 Dlvry_Mode:1 Avail:0 Vector:B3 Dest:00000001 SID:F0FF SQ:0 SVT:1) [ 12.497981] snd_hda_intel 0000:00:1b.0: irq 75 for MSI/MSI-X [ 12.498086] IOAPIC[1]: Set routing entry (9-12 -> 0xe3 -> IRQ 36 Mode:1 Active:1 Dest:1) [ 12.498089] IOAPIC[1]: Set IRTE entry (P:1 FPD:0 Dst_Mode:1 Redir_hint:1 Trig_Mode:0 Dlvry_Mode:1 Avail:0 Vector:E3 Dest:00000001 SID:002C SQ:0 SVT:1) [ 12.498093] snd_hda_intel 0000:02:00.1: Disabling MSI [ 12.498109] snd_hda_intel 0000:02:00.1: Handle VGA-switcheroo audio client [ 12.502542] EDAC sbridge: Seeking for: PCI ID 8086:2fad [ 12.502956] EDAC sbridge: Seeking for: PCI ID 8086:2fbd [ 12.503365] EDAC sbridge: Seeking for: PCI ID 8086:2f68 [ 12.503781] EDAC sbridge: Seeking for: PCI ID 8086:2f68 [ 12.504197] EDAC sbridge: Seeking for: PCI ID 8086:2f79 [ 12.504620] EDAC sbridge: Seeking for: PCI ID 8086:2f6a [ 12.505041] EDAC sbridge: Seeking for: PCI ID 8086:2f6b [ 12.505452] EDAC sbridge: Seeking for: PCI ID 8086:2f6c [ 12.505869] EDAC sbridge: Seeking for: PCI ID 8086:2f6d [ 12.506298] EDAC sbridge: ECC is disabled. Aborting [ 12.506718] EDAC sbridge: Couldn't find mci handler Disclaimer: Results have been estimated based on internal Intel analysis and are provided for informational purposes only. Any difference in system hardware or software design or configuration may affect actual performance. Thanks, Huang, Ying _______________________________________________ LKP mailing list LKP(a)linux.intel.com