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[Launchpad Bug Tracker <1386790@xxxxxxxxxxxxxxxxxx>]

[Expired for linux (Ubuntu) because there has been no activity for 60
days.]

** Changed in: linux (Ubuntu)
       Status: Incomplete => Expired

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https://bugs.launchpad.net/bugs/1386790

Title:
  [Gigabyte G31M-ES2L] Kernel panic CPU1 did not get callout

Status in linux package in Ubuntu:
  Expired

Bug description:
  When booting with a D-Link USB hub connected, the boot process "finds"
  only one core of my dual-core CPU:

  $ dmesg | grep -i smp
  [    0.000000] Linux version 3.13.0-37-generic (buildd@kapok) (gcc version 4.8.2 (Ubuntu 4.8.2-19ubuntu1) ) #64-Ubuntu SMP Mon Sep 22 21:28:38 UTC 2014 (Ubuntu 3.13.0-37.64-generic 3.13.11.7)
  [    0.000000] found SMP MP-table at [mem 0x000f53c0-0x000f53cf] mapped at [ffff8800000f53c0]
  [    0.000000] Using ACPI (MADT) for SMP configuration information
  [    0.000000] smpboot: Allowing 4 CPUs, 2 hotplug CPUs
  [    0.020375] Freeing SMP alternatives memory: 32K (ffffffff81e6e000 - ffffffff81e76000)
  [    0.123368] smpboot: CPU0: Intel Pentium(R) Dual-Core  CPU      E6700  @ 3.20GHz (fam: 06, model: 17, stepping: 0a)
  [    0.124000] x86: Booting SMP configuration:
  [   10.160714] smpboot: CPU1: Not responding
  [   10.160748] smpboot: Total of 1 processors activated (6399.99 BogoMIPS)
  [    0.124000] Kernel panic - not syncing: smp_callin: CPU1 started up but did not get a callout!

  With the USB hub unplugged, the boot always "finds" the CPU:

  $ dmesg | grep -i smp
  [    0.000000] Linux version 3.13.0-37-generic (buildd@kapok) (gcc version 4.8.2 (Ubuntu 4.8.2-19ubuntu1) ) #64-Ubuntu SMP Mon Sep 22 21:28:38 UTC 2014 (Ubuntu 3.13.0-37.64-generic 3.13.11.7)
  [    0.000000] found SMP MP-table at [mem 0x000f53c0-0x000f53cf] mapped at [ffff8800000f53c0]
  [    0.000000] Using ACPI (MADT) for SMP configuration information
  [    0.000000] smpboot: Allowing 4 CPUs, 2 hotplug CPUs
  [    0.010389] Freeing SMP alternatives memory: 32K (ffffffff81e6e000 - ffffffff81e76000)
  [    0.061061] smpboot: CPU0: Intel Pentium(R) Dual-Core  CPU      E6700  @ 3.20GHz (fam: 06, model: 17, stepping: 0a)
  [    0.064000] x86: Booting SMP configuration:
  [    0.074763] smpboot: Total of 2 processors activated (12799.47 BogoMIPS)

  Why does a CPu not respond quickly enough because of a hub? Or is it
  Linux which is too hasty? Or something else?  In any case, it is
  bothersome not to be able to use the USB hub.

  I am using Ubuntu 14.04.1 LTS with KDE, aka Kubuntu.

  ProblemType: Bug
  DistroRelease: Ubuntu 14.04
  Package: linux-image-3.13.0-37-generic 3.13.0-37.64
  ProcVersionSignature: Ubuntu 3.13.0-37.64-generic 3.13.11.7
  Uname: Linux 3.13.0-37-generic x86_64
  ApportVersion: 2.14.1-0ubuntu3.5
  Architecture: amd64
  AudioDevicesInUse:
   USER        PID ACCESS COMMAND
   /dev/snd/controlC1:  jon        2453 F.... pulseaudio
                        jon        2809 F.... pulseaudio
   /dev/snd/controlC0:  jon        2453 F.... pulseaudio
                        jon        2809 F.... pulseaudio
  CurrentDesktop: KDE
  Date: Tue Oct 28 17:34:10 2014
  HibernationDevice: RESUME=UUID=a10df41c-1508-4381-bb09-0b6992378272
  InstallationDate: Installed on 2014-10-25 (3 days ago)
  InstallationMedia: Kubuntu 14.04.1 LTS "Trusty Tahr" - Release amd64 (20140722.2)
  IwConfig:
   eth0      no wireless extensions.
   
   lo        no wireless extensions.
  MachineType: Gigabyte Technology Co., Ltd. G31M-ES2L
  ProcFB: 0 nouveaufb
  ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-3.13.0-37-generic root=UUID=7efb481c-5492-4093-9000-a5be0fc30152 ro
  RelatedPackageVersions:
   linux-restricted-modules-3.13.0-37-generic N/A
   linux-backports-modules-3.13.0-37-generic  N/A
   linux-firmware                             1.127.7
  RfKill:
   
  SourcePackage: linux
  UpgradeStatus: No upgrade log present (probably fresh install)
  dmi.bios.date: 08/09/2010
  dmi.bios.vendor: Award Software International, Inc.
  dmi.bios.version: FI
  dmi.board.name: G31M-ES2L
  dmi.board.vendor: Gigabyte Technology Co., Ltd.
  dmi.board.version: x.x
  dmi.chassis.type: 3
  dmi.chassis.vendor: Gigabyte Technology Co., Ltd.
  dmi.modalias: dmi:bvnAwardSoftwareInternational,Inc.:bvrFI:bd08/09/2010:svnGigabyteTechnologyCo.,Ltd.:pnG31M-ES2L:pvr:rvnGigabyteTechnologyCo.,Ltd.:rnG31M-ES2L:rvrx.x:cvnGigabyteTechnologyCo.,Ltd.:ct3:cvr:
  dmi.product.name: G31M-ES2L
  dmi.sys.vendor: Gigabyte Technology Co., Ltd.

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