Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1752048AbaLSF1F (ORCPT ); Fri, 19 Dec 2014 00:27:05 -0500 Received: from mga01.intel.com ([192.55.52.88]:30611 "EHLO mga01.intel.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751974AbaLSF1C (ORCPT ); Fri, 19 Dec 2014 00:27:02 -0500 X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="4.97,862,1389772800"; d="scan'208";a="431060588" Message-ID: <1418966819.26403.33.camel@intel.com> Subject: Re: [LKP] [sb_edac] 50d1bb93672: EDAC sbridge: ECC is disabled. Aborting From: Huang Ying To: Mauro Carvalho Chehab Cc: Aristeu Rozanski , LKML , LKP ML Date: Fri, 19 Dec 2014 13:26:59 +0800 In-Reply-To: <20141218090536.0d671dca@recife.lan> References: <1418890406.26403.2.camel@intel.com> <20141218090536.0d671dca@recife.lan> Content-Type: text/plain; charset="UTF-8" X-Mailer: Evolution 3.12.9-1 Mime-Version: 1.0 Content-Transfer-Encoding: 7bit Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Thu, 2014-12-18 at 09:05 -0200, Mauro Carvalho Chehab wrote: > Hi Huang, > > Em Thu, 18 Dec 2014 16:13:26 +0800 > Huang Ying escreveu: > > > 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 > > Not sure about what are you complaining, since you didn't show how was > the log before. In fact, I am not complaining :-), just FYI. As I said, this may be a expected behavior because this is a Haswell machine and the Haswell support was added in this patch. > From the above, what looks weird, from EDAC driver PoV, is: > [ 12.506298] EDAC sbridge: ECC is disabled. Aborting This is what I want help from you to confirm whether it is abnormal. > Does it used to work before? If so, was there any BIOS setting change? > Does the memories used on this machine have ECC? This is a high-end desktop, there is something as below in dmidecode output. Is there some other way to tell whether the memories have ECC? Handle 0x0018, DMI type 16, 23 bytes Physical Memory Array Location: System Board Or Motherboard Use: System Memory Error Correction Type: Multi-bit ECC Maximum Capacity: 128 GB Error Information Handle: Not Provided Number Of Devices: 4 Handle 0x001A, DMI type 17, 34 bytes Memory Device Array Handle: 0x0018 Error Information Handle: Not Provided Total Width: 72 bits Data Width: 72 bits Size: 8192 MB Form Factor: DIMM Set: None Locator: DIMM_A1 Bank Locator: CPU 0 Type: Type Detail: Synchronous Speed: 1067 MHz Manufacturer: 0x11 Serial Number: Unknown Asset Tag: Unknown Part Number: Unknown Rank: 1 Configured Clock Speed: Unknown Best Regards, Huang, Ying -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/