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[Qemu-devel] [Bug 1307225] Re: Running a virtual machine on a Haswell sy


From: cvbkf
Subject: [Qemu-devel] [Bug 1307225] Re: Running a virtual machine on a Haswell system produces machine check events
Date: Wed, 16 Dec 2015 20:54:48 -0000

Minor Update: Bug occurs under Intel Skylake, too.

System-information: Intel Core i7-6700 with 4x8 GB Samsung
M378A1G43DB0-CPB DDR4-2133 RAM, Motherboard: Fujitsu D3401-H1


Dec 15 06:53:30 srv01 kernel: [224214.850599] mce: [Hardware Error]: Machine 
check events logged
Dec 15 06:55:08 srv01 kernel: [224312.001142] mce: [Hardware Error]: Machine 
check events logged
Dec 15 06:57:12 srv01 kernel: [224435.836130] mce: [Hardware Error]: Machine 
check events logged
Dec 15 07:03:35 srv01 kernel: [224818.079136] mce: [Hardware Error]: Machine 
check events logged
Dec 15 07:07:55 srv01 kernel: [225077.697589] mce_notify_irq: 1 callbacks 
suppressed
Dec 15 07:07:55 srv01 kernel: [225077.697592] mce: [Hardware Error]: Machine 
check events logged
Dec 15 07:08:51 srv01 kernel: [225134.136571] mce: [Hardware Error]: Machine 
check events logged
Dec 15 07:12:25 srv01 kernel: [225347.598995] mce_notify_irq: 1 callbacks 
suppressed
Dec 15 07:12:25 srv01 kernel: [225347.598998] mce: [Hardware Error]: Machine 
check events logged
Dec 15 07:15:03 srv01 kernel: [225504.880462] mce: [Hardware Error]: Machine 
check events logged
Dec 15 07:17:49 srv01 kernel: [225670.907609] mce: [Hardware Error]: Machine 
check events logged
Dec 15 07:21:49 srv01 kernel: [225911.163547] mce: [Hardware Error]: Machine 
check events logged
Dec 15 07:22:57 srv01 kernel: [225978.227807] mce: [Hardware Error]: Machine 
check events logged
Dec 15 07:24:32 srv01 kernel: [226073.681985] mce: [Hardware Error]: Machine 
check events logged
Dec 15 07:28:31 srv01 kernel: [226312.111733] mce: [Hardware Error]: Machine 
check events logged
Dec 15 07:34:04 srv01 kernel: [226644.639095] mce: [Hardware Error]: Machine 
check events logged
Dec 15 07:35:58 srv01 kernel: [226757.904937] mce_notify_irq: 2 callbacks 
suppressed
Dec 15 07:35:58 srv01 kernel: [226757.904940] mce: [Hardware Error]: Machine 
check events logged
Dec 15 07:36:10 srv01 kernel: [226770.139237] mce: [Hardware Error]: Machine 
check events logged
Dec 15 07:41:14 srv01 kernel: [227073.719040] mce: [Hardware Error]: Machine 
check events logged
Dec 15 07:41:16 srv01 kernel: [227075.399257] mce: [Hardware Error]: Machine 
check events logged
Dec 15 07:44:14 srv01 kernel: [227253.699541] mce: [Hardware Error]: Machine 
check events logged
Dec 15 07:44:57 srv01 kernel: [227296.490305] mce: [Hardware Error]: Machine 
check events logged
Dec 15 07:52:44 srv01 kernel: [227762.621344] mce: [Hardware Error]: Machine 
check events logged
Dec 15 07:52:49 srv01 kernel: [227767.372259] mce: [Hardware Error]: Machine 
check events logged
Dec 15 07:54:39 srv01 kernel: [227877.219677] mce_notify_irq: 1 callbacks 
suppressed
Dec 15 07:54:39 srv01 kernel: [227877.219680] mce: [Hardware Error]: Machine 
check events logged
...

mcelog: Family 6 Model 5e CPU: only decoding architectural errors
Hardware event. This is not a software error.
MCE 29
CPU 0 BANK 0
TIME 1450162369 Tue Dec 15 07:52:49 2015
MCG status:
MCi status:
Corrected error
Error enabled
MCA: Internal parity error
STATUS 9000004000010005 MCGSTATUS 0
MCGCAP c0a APICID 0 SOCKETID 0
CPUID Vendor Intel Family 6 Model 94
mcelog: Family 6 Model 5e CPU: only decoding architectural errors
Hardware event. This is not a software error.
MCE 30
CPU 2 BANK 0
TIME 1450162422 Tue Dec 15 07:53:42 2015
MCG status:
MCi status:
Corrected error
Error enabled
MCA: Internal parity error
STATUS 9000004000010005 MCGSTATUS 0
MCGCAP c0a APICID 4 SOCKETID 0
CPUID Vendor Intel Family 6 Model 94
mcelog: Family 6 Model 5e CPU: only decoding architectural errors
Hardware event. This is not a software error.
MCE 31
CPU 1 BANK 0
TIME 1450162479 Tue Dec 15 07:54:39 2015
MCG status:
MCi status:
Corrected error
Error enabled
MCA: Internal parity error
STATUS 9000004000010005 MCGSTATUS 0
MCGCAP c0a APICID 2 SOCKETID 0
CPUID Vendor Intel Family 6 Model 94

-- 
You received this bug notification because you are a member of qemu-
devel-ml, which is subscribed to QEMU.
https://bugs.launchpad.net/bugs/1307225

Title:
  Running a virtual machine on a Haswell system produces machine check
  events

Status in QEMU:
  New

Bug description:
  I'm running a virtual Windows SBS 2003 installation on a Xeon E3
  Haswell system running Gentoo Linux. First, I used Qemu 1.5.3 (the
  latest stable version on Gentoo). I got a lot of machine check events
  ("mce: [Hardware Error]: Machine check events logged") in dmesg that
  always looked like (using mcelog):

  Hardware event. This is not a software error.
  MCE 0
  CPU 3 BANK 0
  TIME 1397455091 Mon Apr 14 07:58:11 2014
  MCG status:
  MCi status:
  Corrected error
  Error enabled
  MCA: Internal parity error
  STATUS 90000040000f0005 MCGSTATUS 0
  MCGCAP c09 APICID 6 SOCKETID 0
  CPUID Vendor Intel Family 6 Model 60

  I found this discussion on the vmware community:
  https://communities.vmware.com/thread/452344

  It seems that this is (at least partly) caused by the Qemu machine. I
  switched to Qemu 1.7.0, the first version to use "pc-i440fx-1.7". With
  this version, the errors almost disappeared, but from time to time, I
  still get machine check events. Anyways, they so not seem to affect
  neither the vm, nor the host.

  The Haswell machine has been set up and running for several days
  without a single error message. They only appear when the VM is
  running. so I think this is actually some problem with the Haswell
  architecture (and not a real hardware error).

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