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["Christopher M. Penalver" <christopher.m.penalver@xxxxxxxxx>]

km, please file a new report against that crash report, as manually
attaching it does not allow Apport to process it, delaying your issue.
For more on this, please see https://wiki.ubuntu.com/ReportingBugs .

** Attachment removed: "ubuntu bug linux report"
   https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1315736/+attachment/4150051/+files/apport.linux-image-3.13.0-29-generic.v61kdeds.apport

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https://bugs.launchpad.net/bugs/1315736

Title:
  [Dell PowerEdge R720] Machine Check Exception

Status in “linux” package in Ubuntu:
  Incomplete

Bug description:
  Dell PowerEdge 720 on ubuntu 14.04 shows MCE errors on dmesg. Dell
  support instructed to run DSET and BIOS hardware diagnostics. Neither
  of the tools showed any errors. Dell support said that if there was a
  hardware error it would have been shown on Dell logs and the probable
  reason for the dmesg log is a bug in ubuntu kernel MCE reporting.

  So, is it that following dmesg is because of a kernel bug in ubuntu
  14.04 server?

  [11562.171040] Please check user daemon is running.
  [94953.306404] sbridge: HANDLING MCE MEMORY ERROR
  [94953.306415] CPU 1: Machine Check Exception: 0 Bank 9: 8c00004b000800c0
  [94953.306416] TSC 0 ADDR 2dfa0e1000 MISC 90000800080168c PROCESSOR 0:306e4 TIME 1399142359 SOCKET 1 APIC 20
  [94953.306422] sbridge: HANDLING MCE MEMORY ERROR
  [94953.306423] CPU 1: Machine Check Exception: 0 Bank 10: 8c000050000800c1
  [94953.306424] TSC 0 ADDR 2dfa0e1000 MISC 90000000000208c PROCESSOR 0:306e4 TIME 1399142359 SOCKET 1 APIC 20
  [94953.532217] EDAC MC1: 1 CE memory scrubbing error on CPU_SrcID#1_Channel#0_DIMM#0 (channel:0 slot:0 page:0x2dfa0e1 offset:0x0 grain:32 syndrome:0x0 -  area:DRAM err_code:0008:00c0 socket:1 channel_mask:3 rank:0)
  [94953.532226] EDAC MC1: 1 CE memory scrubbing error on CPU_SrcID#1_Channel#1_DIMM#0 (channel:1 slot:0 page:0x2dfa0e1 offset:0x0 grain:32 syndrome:0x0 -  area:DRAM err_code:0008:00c1 socket:1 channel_mask:3 rank:0)

  ---
  AlsaDevices:
   total 0
   crw-rw---- 1 root audio 116,  1 touko  2 19:15 seq
   crw-rw---- 1 root audio 116, 33 touko  2 19:15 timer
  AplayDevices: Error: [Errno 2] No such file or directory
  ApportVersion: 2.14.1-0ubuntu3
  Architecture: amd64
  ArecordDevices: Error: [Errno 2] No such file or directory
  AudioDevicesInUse: Error: command ['fuser', '-v', '/dev/snd/seq', '/dev/snd/timer'] failed with exit code 1:
  CRDA: Error: [Errno 2] No such file or directory
  CurrentDmesg:
   Error: command ['sh', '-c', 'dmesg | comm -13 --nocheck-order /var/log/dmesg -'] failed with exit code 1: comm: /var/log/dmesg: Permission denied
   dmesg: write failed: Broken pipe
  DistroRelease: Ubuntu 14.04
  InstallationDate: Installed on 2014-02-26 (66 days ago)
  InstallationMedia: Ubuntu-Server 14.04 LTS "Trusty Tahr" - Alpha amd64 (20140219)
  MachineType: Dell Inc. PowerEdge R720
  Package: linux (not installed)
  PciMultimedia:

  ProcFB: 0 VESA VGA
  ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-3.13.0-24-generic root=UUID=c03eb237-955a-4dee-bba1-deded53df372 ro
  ProcVersionSignature: Ubuntu 3.13.0-24.46-generic 3.13.9
  RfKill: Error: [Errno 2] No such file or directory
  Tags:  trusty
  Uname: Linux 3.13.0-24-generic x86_64
  UpgradeStatus: No upgrade log present (probably fresh install)
  UserGroups:

  WifiSyslog:

  _MarkForUpload: True
  dmi.bios.date: 01/16/2014
  dmi.bios.vendor: Dell Inc.
  dmi.bios.version: 2.2.2
  dmi.board.name: 0DCWD1
  dmi.board.vendor: Dell Inc.
  dmi.board.version: A01
  dmi.chassis.type: 23
  dmi.chassis.vendor: Dell Inc.
  dmi.modalias: dmi:bvnDellInc.:bvr2.2.2:bd01/16/2014:svnDellInc.:pnPowerEdgeR720:pvr:rvnDellInc.:rn0DCWD1:rvrA01:cvnDellInc.:ct23:cvr:
  dmi.product.name: PowerEdge R720
  dmi.sys.vendor: Dell Inc.

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