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[Kelvin Gonzalez <kelvin.gonzalezvivas@xxxxxxxxx>]

Ubuntu 10.04.4 LTS (Lucid Lynx) unable to boot the PC due to a Kernel panic.
[0.812538] Kernel panic – not syncing : AMD-Vi : ILLEGAL_COMMAND_ERROR while resetting command buffer

Ubuntu 10.10 (Maverick Meerkat) unable to boot the PC due to a Kernel
panic. But I wasn’t able to capture the complete error.

Ubuntu 11.04 (Natty Narwhal) unable to boot the PC due to a Kernel
panic. But I wasn’t able to capture the complete error.

Ubuntu 11.10 (Oneiric Ocelot) the computer boot up and hang up for more than 20 minutes. I wasn’t able to work with the computer or get any logs. However, the last message in console was:
[147.992078] AMD-Vi : Completion-Wait loop timed out


After these tests the problem appeared for first time in the release Ubuntu 11.10 (Oneiric Ocelot). And with previous Ubuntu versions this PC is unable to boot.


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

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https://bugs.launchpad.net/bugs/1280668

Title:
  [Medion MS-7857] Computer freezes or hangs during install, boot or
  usage

Status in “linux” package in Ubuntu:
  Confirmed

Bug description:
  Every time I tried to install this new it was hanging during the
  install or even before during boot. This system is a pre-installed
  windows 8 (64bits).

  In the file /var/log/dmesg I can see the following:
  [   28.119124] BUG: soft lockup - CPU#0 stuck for 23s! [swapper/0:1]
  [   28.119127] Modules linked in:
  [   28.119130] CPU: 0 PID: 1 Comm: swapper/0 Not tainted 3.11.0-15-generic #25~precise1-Ubuntu
  [   28.119132] Hardware name: MEDION MS-7857/MS-7857, BIOS M7857W08.203 01/06/2014
  [   28.119133] task: ffff880429620000 ti: ffff880429628000 task.ti: ffff880429628000
  [   28.119134] RIP: 0010:[<ffffffff81380382>]  [<ffffffff81380382>] delay_tsc+0x42/0x80
  [   28.119140] RSP: 0000:ffff880429629c68  EFLAGS: 00000246
  [   28.119141] RAX: 0000001c549ce3bd RBX: 000000000000032f RCX: 00000000549ce3bd
  [   28.119142] RDX: 0000000000000cf2 RSI: 0000000000000282 RDI: 0000000000000e50
  [   28.119143] RBP: ffff880429629c88 R08: 0000000000002000 R09: 0000000000000000
  [   28.119144] R10: 0000000000000330 R11: 0720072007200720 R12: 0000000000000026
  [   28.119145] R13: ffffffff81ef8bc2 R14: 0000000000000246 R15: ffff880429629c38
  [   28.119147] FS:  0000000000000000(0000) GS:ffff88043ec00000(0000) knlGS:0000000000000000
  [   28.119148] CS:  0010 DS: 0000 ES: 0000 CR0: 000000008005003b
  [   28.119149] CR2: ffff88043efff000 CR3: 0000000001c0d000 CR4: 00000000000407f0
  [   28.119150] Stack:
  [   28.119153]  0000000000001a0e ffff880429629cf0 0000000000001ff0 ffff880429579814
  [   28.119162]  ffff880429629c98 ffffffff813802bc ffff880429629cb8 ffffffff81607e55
  [   28.119164]  ffff880429579800 0000000000002000 ffff880429629d28 ffffffff81607f57
  [   28.119167] Call Trace:
  [   28.119170]  [<ffffffff813802bc>] __const_udelay+0x2c/0x30
  [   28.119174]  [<ffffffff81607e55>] wait_on_sem+0x35/0x70
  [   28.119176]  [<ffffffff81607f57>] iommu_queue_command_sync+0xc7/0x140
  [   28.119178]  [<ffffffff81607fe3>] iommu_queue_command+0x13/0x20
  [   28.119183]  [<ffffffff8160becd>] iommu_flush_all_caches+0x9d/0xf0
  [   28.119185]  [<ffffffff8160c7b1>] early_enable_iommus+0x61/0x160
  [   28.119189]  [<ffffffff81d2fc96>] ? memblock_find_dma_reserve+0x13d/0x13d
  [   28.119192]  [<ffffffff81d7a1e6>] state_next+0xbf/0x201
  [   28.119194]  [<ffffffff81d2fc96>] ? memblock_find_dma_reserve+0x13d/0x13d
  [   28.119196]  [<ffffffff81d7a33c>] iommu_go_to_state+0x14/0x2f
  [   28.119197]  [<ffffffff81d7a3c8>] amd_iommu_init+0x13/0xff
  [   28.119200]  [<ffffffff81d26123>] ? load_default_modules+0x9/0xb
  [   28.119203]  [<ffffffff81d2fca9>] pci_iommu_init+0x13/0x3e
  [   28.119206]  [<ffffffff8100212a>] do_one_initcall+0xfa/0x1b0
  [   28.119208]  [<ffffffff81086f00>] ? parse_args+0xd0/0x1d0
  [   28.119211]  [<ffffffff81d25954>] ? do_early_param+0x87/0x87
  [   28.119213]  [<ffffffff81d25fc6>] do_basic_setup+0x96/0xb9
  [   28.119215]  [<ffffffff81d25954>] ? do_early_param+0x87/0x87
  [   28.119218]  [<ffffffff81d45e83>] ? sched_init_smp+0x119/0x11b
  [   28.119220]  [<ffffffff81d260a1>] kernel_init_freeable+0xb8/0x131
  [   28.119224]  [<ffffffff81723be0>] ? rest_init+0x80/0x80
  [   28.119226]  [<ffffffff81723bee>] kernel_init+0xe/0xf0
  [   28.119229]  [<ffffffff817508ec>] ret_from_fork+0x7c/0xb0
  [   28.119231]  [<ffffffff81723be0>] ? rest_init+0x80/0x80
  [   28.119232] Code: 25 64 b0 00 00 0f ae f0 66 66 90 e8 c9 b0 c9 ff 66 90 41 89 c4 eb 11 66 90 f3 90 65 8b 1c 25 64 b0 00 00 41 39 dd 75 20 0f ae f0 <66> 66 90 e8 a6 b0 c9 ff 66 90 89 c2 44 29 e2 44 39 f2 72 da 5b
  [   28.219649] AMD-Vi: Completion-Wait loop timed out

  WORKAROUND: I was able to complete the install passing the following kernel parameter, then the computer boots fine but hangs for between 25 to 2 minutes and then continues working. I would expect the computer not to hang:
  noapic

  ---
  ProblemType: Bug
  DistroRelease: Ubuntu 12.04
  Package: linux-image-3.11.0-15-generic 3.11.0-15.25~precise1 [modified: boot/vmlinuz-3.11.0-15-generic]
  ProcVersionSignature: Ubuntu 3.11.0-15.25~precise1-generic 3.11.10
  Uname: Linux 3.11.0-15-generic x86_64
  NonfreeKernelModules: fglrx
  AlsaVersion: Advanced Linux Sound Architecture Driver Version k3.11.0-15-generic.
  ApportVersion: 2.0.1-0ubuntu17.6
  Architecture: amd64
  AudioDevicesInUse:
   USER        PID ACCESS COMMAND
   /dev/snd/controlC1:  kelvin     1952 F.... pulseaudio
   /dev/snd/controlC0:  kelvin     1952 F.... pulseaudio
  CRDA: Error: [Errno 2] No such file or directory
  Card0.Amixer.info:
   Card hw:0 'Generic'/'HD-Audio Generic at 0xfeb00000 irq 10'
     Mixer name	: 'Realtek ALC887-VD'
     Components	: 'HDA:10ec0887,14627857,00100302'
     Controls      : 45
     Simple ctrls  : 19
  Card1.Amixer.info:
   Card hw:1 'HDMI'/'HDA ATI HDMI at 0xfea60000 irq 31'
     Mixer name	: 'ATI R6xx HDMI'
     Components	: 'HDA:1002aa01,00aa0100,00100300'
     Controls      : 7
     Simple ctrls  : 1
  Card1.Amixer.values:
   Simple mixer control 'IEC958',0
     Capabilities: pswitch pswitch-joined penum
     Playback channels: Mono
     Mono: Playback [on]
  Date: Sat Feb 15 21:05:18 2014
  HibernationDevice: RESUME=UUID=adc021ed-5f7b-4297-ab84-751585ae04f8
  InstallationMedia: Ubuntu 12.04.4 LTS "Precise Pangolin" - Release amd64 (20140204)
  IwConfig:
   eth0      no wireless extensions.

   lo        no wireless extensions.
  MachineType: MEDION MS-7857
  MarkForUpload: True
  ProcEnviron:
   TERM=xterm
   PATH=(custom, no user)
   LANG=en_US.UTF-8
   SHELL=/bin/bash
  ProcFB: 0 EFI VGA
  ProcKernelCmdLine: BOOT_IMAGE=/vmlinuz-3.11.0-15-generic.efi.signed root=UUID=79b13a2d-14bc-41d8-824b-aa2a64067215 ro noapic quiet splash vt.handoff=7
  RelatedPackageVersions:
   linux-restricted-modules-3.11.0-15-generic N/A
   linux-backports-modules-3.11.0-15-generic  N/A
   linux-firmware                             1.79.9
  RfKill:

  SourcePackage: linux-lts-saucy
  UpgradeStatus: No upgrade log present (probably fresh install)
  dmi.bios.date: 01/06/2014
  dmi.bios.vendor: American Megatrends Inc.
  dmi.bios.version: M7857W08.203
  dmi.board.name: MS-7857
  dmi.board.vendor: MEDION
  dmi.board.version: 1.1
  dmi.chassis.type: 3
  dmi.chassis.vendor: MEDION
  dmi.modalias: dmi:bvnAmericanMegatrendsInc.:bvrM7857W08.203:bd01/06/2014:svnMEDION:pnMS-7857:pvr1.1:rvnMEDION:rnMS-7857:rvr1.1:cvnMEDION:ct3:cvr:
  dmi.product.name: MS-7857
  dmi.product.version: 1.1
  dmi.sys.vendor: MEDION

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