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From: "Raj, Ashok" <ashok.raj@intel.com>
To: Borislav Petkov <bp@suse.de>
Cc: Alexander Alemayhu <alexander@alemayhu.com>,
	Daniel J Blueman <daniel@quora.org>,
	Paul Menzel <pmenzel@molgen.mpg.de>,
	tony.luck@intel.com, linux@leemhuis.info, len.brown@intel.com,
	Linux Kernel <linux-kernel@vger.kernel.org>,
	ashok.raj@intel.com
Subject: Re: Dell XPS13: MCE (Hardware Error) reported
Date: Thu, 5 Jan 2017 15:28:00 -0800	[thread overview]
Message-ID: <20170105232800.GA82321@otc-brkl-03> (raw)
In-Reply-To: <20170105203146.egi3kveypclmwllp@pd.tnic>

Hi Boris

On Thu, Jan 05, 2017 at 09:31:47PM +0100, Borislav Petkov wrote:
> On Thu, Jan 05, 2017 at 09:10:34PM +0100, Alexander Alemayhu wrote:
> > Not sure if it is related, but I am also seeing those messages on my
> > MacBookPro11,3:
> 
> Yours look to me like thermal throttling MCEs. And TBH we whould
> not issue those as actual MCEs because they are not - they *signal*
> overheating condition only and should be handled differently.

After looking at the code, seems like these events are logged as MCE's
but are really picked from real lvt thermal event interrupts.  via a fake
bank 128 for MCE_THERMAL. These are not really HW MCE's, but fake ones created 
and logged as mcelog entries. (arch/x86/kernel/cpu/mcheck/therm_throt.c)

  parent reply	other threads:[~2017-01-05 23:28 UTC|newest]

Thread overview: 49+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2017-01-05  5:00 Dell XPS13: MCE (Hardware Error) reported Daniel J Blueman
2017-01-05 14:05 ` Daniel J Blueman
2017-01-05 20:10   ` Alexander Alemayhu
2017-01-05 20:31     ` Borislav Petkov
2017-01-05 20:43       ` Raj, Ashok
2017-01-05 21:03         ` Pandruvada, Srinivas
2017-01-05 23:23           ` Alexander Alemayhu
2017-01-05 21:38       ` Alexander Alemayhu
2017-01-05 23:28       ` Raj, Ashok [this message]
2017-01-05 23:56         ` Borislav Petkov
2017-01-06  1:26           ` Raj, Ashok
2017-01-06 11:16             ` Borislav Petkov
2017-01-06 15:58               ` Raj, Ashok
2017-01-06 16:54                 ` Borislav Petkov
2017-01-06 17:04                   ` Raj, Ashok
2017-01-09 10:55                   ` Paul Menzel
2017-01-09 11:05                     ` Borislav Petkov
2017-01-09 11:11                       ` Paul Menzel
  -- strict thread matches above, loose matches on Subject: below --
2017-01-23 18:35 [PATCH 0/9] x86/RAS: Queue for 4.11 Borislav Petkov
2017-01-23 18:35 ` [PATCH 1/9] x86/mce-inject: Make it depend on X86_LOCAL_APIC Borislav Petkov
2017-01-24  8:46   ` [tip:ras/core] x86/ras/inject: Make it depend on X86_LOCAL_APIC=y tip-bot for Borislav Petkov
2017-01-23 18:35 ` [PATCH 2/9] x86/MCE/therm_throt: Do not log a fake MCE for a thermal event Borislav Petkov
2017-01-24  8:47   ` [tip:ras/core] x86/ras/therm_throt: Do not log a fake MCE for thermal events tip-bot for Borislav Petkov
2017-01-23 18:35 ` [PATCH 3/9] x86/MCE/AMD: Make sysfs names of banks more user-friendly Borislav Petkov
2017-01-24  8:47   ` [tip:ras/core] x86/ras/amd: " tip-bot for Yazen Ghannam
2017-01-23 18:35 ` [PATCH 4/9] x86/MCE: Flip the TSC-adding logic Borislav Petkov
2017-01-24  8:48   ` [tip:ras/core] x86/ras: " tip-bot for Borislav Petkov
2017-01-23 18:35 ` [PATCH 5/9] x86/ras/mce_amd_inj: Change dependency Borislav Petkov
2017-01-24  8:48   ` [tip:ras/core] x86/ras/amd/inj: " tip-bot for Borislav Petkov
2017-01-23 18:35 ` [PATCH 6/9] EDAC/mce_amd: Unexport amd_decode_mce() Borislav Petkov
2017-01-24  8:49   ` [tip:ras/core] EDAC/mce/amd: " tip-bot for Borislav Petkov
2017-01-23 18:35 ` [PATCH 7/9] EDAC/mce_amd: Dump TSC value Borislav Petkov
2017-01-24  8:50   ` [tip:ras/core] EDAC/mce/amd: " tip-bot for Borislav Petkov
2017-01-23 18:35 ` [PATCH 8/9] x86/MCE: Get rid of mce_process_work() Borislav Petkov
2017-01-24  8:50   ` [tip:ras/core] x86/ras: " tip-bot for Borislav Petkov
2017-01-23 18:35 ` [PATCH 9/9] x86/MCE, EDAC, acpi: Assign MCE notifier handlers a priority Borislav Petkov
2017-01-24  8:51   ` [tip:ras/core] x86/ras, " tip-bot for Borislav Petkov
2017-01-04 15:42 Dell XPS13: MCE (Hardware Error) reported Paul Menzel
2017-01-04 22:55 ` Borislav Petkov
2017-01-05  1:12   ` Raj, Ashok
2017-01-09 11:53     ` Paul Menzel
2017-01-09 19:23       ` Raj, Ashok
2017-01-27 13:35         ` Paul Menzel
2017-01-27 17:10           ` Borislav Petkov
2017-01-27 17:16             ` Mario.Limonciello
2017-01-31 15:29               ` Paul Menzel
2017-01-31 17:20                 ` Borislav Petkov
2017-01-31 18:50                 ` Austin S. Hemmelgarn
2017-02-01 20:52                 ` Mario.Limonciello

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