Public bug reported:

* Machine was happy with Xubuntu 13.10, but the software has been discontinued 
and I was forced to upgrade.
* USB stick with 14.04.1 would reboot continuously.  Temporary workaround: 
press F6 and select NOMODESET
* USB stick with 14.04.1 server installs flawlessly, but then the server itself 
reboots continuously. 

Workaround:
* Boot into recovery mode (hidden grub option)
* Drop to root shell
* Mount disk for read/write
* edit /etc/default/grub:  find the line starting with 
'GRUB_CMDLINE_LINUX_DEFAULT=' and add the word nomodeset inside the quotes
* run update-grub and reboot

Developers: How is it possible that something so obvious has gone into an LTS? 
You may want to
(1) review your processes and maybe be more conservative in the choice of 
package versions for an LTS;
(2) have some basic validation process before releasing an LTS (AMD's APUs are 
mainstream hardware);
(3) prioritize the fix of such bugs (first reports are from half a year ago) or 
extend the life of previous releases (13.10 was just fine) until they are fixed.

ProblemType: Bug
DistroRelease: Ubuntu 14.04
Package: linux-image-3.13.0-35-generic 3.13.0-35.62
ProcVersionSignature: Ubuntu 3.13.0-35.62-generic 3.13.11.6
Uname: Linux 3.13.0-35-generic x86_64
AlsaVersion: Advanced Linux Sound Architecture Driver Version 
k3.13.0-35-generic.
AplayDevices: Error: [Errno 2] No such file or directory: 'aplay'
ApportVersion: 2.14.1-0ubuntu3.3
Architecture: amd64
ArecordDevices: Error: [Errno 2] No such file or directory: 'arecord'
AudioDevicesInUse: Error: command ['fuser', '-v', '/dev/snd/by-path', 
'/dev/snd/controlC1', '/dev/snd/hwC1D0', '/dev/snd/pcmC1D0c', 
'/dev/snd/pcmC1D0p', '/dev/snd/pcmC1D2c', '/dev/snd/controlC0', 
'/dev/snd/hwC0D0', '/dev/snd/pcmC0D3p', '/dev/snd/seq', '/dev/snd/timer'] 
failed with exit code 1:
CRDA: Error: [Errno 2] No such file or directory: 'iw'
Card0.Amixer.info: Error: [Errno 2] No such file or directory: 'amixer'
Card0.Amixer.values: Error: [Errno 2] No such file or directory: 'amixer'
Card1.Amixer.info: Error: [Errno 2] No such file or directory: 'amixer'
Card1.Amixer.values: Error: [Errno 2] No such file or directory: 'amixer'
CurrentDmesg:
 
Date: Mon Sep  8 21:37:52 2014
HibernationDevice: RESUME=UUID=c347e713-9e24-4ff4-aec8-45cc91763877
InstallationDate: Installed on 2014-09-09 (0 days ago)
InstallationMedia: Ubuntu-Server 14.04.1 LTS "Trusty Tahr" - Release amd64 
(20140722.3)
IwConfig:
 eth0      no wireless extensions.
 
 eth1      no wireless extensions.
 
 lo        no wireless extensions.
MachineType: MSI MS-7721
ProcFB:
 
ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-3.13.0-35-generic 
root=UUID=42c89bfe-885c-4c79-bc38-c301f5f9545e ro iommu=soft nomodeset
RelatedPackageVersions:
 linux-restricted-modules-3.13.0-35-generic N/A
 linux-backports-modules-3.13.0-35-generic  N/A
 linux-firmware                             1.127.5
RfKill: Error: [Errno 2] No such file or directory: 'rfkill'
SourcePackage: linux
UpgradeStatus: No upgrade log present (probably fresh install)
dmi.bios.date: 03/18/2014
dmi.bios.vendor: American Megatrends Inc.
dmi.bios.version: V25.3
dmi.board.asset.tag: To be filled by O.E.M.
dmi.board.name: A88XM-E45 (MS-7721)
dmi.board.vendor: MSI
dmi.board.version: 5.0
dmi.chassis.asset.tag: To Be Filled By O.E.M.
dmi.chassis.type: 3
dmi.chassis.vendor: MSI
dmi.chassis.version: 5.0
dmi.modalias: 
dmi:bvnAmericanMegatrendsInc.:bvrV25.3:bd03/18/2014:svnMSI:pnMS-7721:pvr5.0:rvnMSI:rnA88XM-E45(MS-7721):rvr5.0:cvnMSI:ct3:cvr5.0:
dmi.product.name: MS-7721
dmi.product.version: 5.0
dmi.sys.vendor: MSI

** Affects: linux (Ubuntu)
     Importance: Undecided
         Status: New


** Tags: amd64 apport-bug trusty

-- 
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https://bugs.launchpad.net/bugs/1367064

Title:
  [MSI A88XM-E45][A4-5300] 'buntu 14.04.1 constant reboot without
  nomodeset

Status in “linux” package in Ubuntu:
  New

Bug description:
  * Machine was happy with Xubuntu 13.10, but the software has been 
discontinued and I was forced to upgrade.
  * USB stick with 14.04.1 would reboot continuously.  Temporary workaround: 
press F6 and select NOMODESET
  * USB stick with 14.04.1 server installs flawlessly, but then the server 
itself reboots continuously. 

  Workaround:
  * Boot into recovery mode (hidden grub option)
  * Drop to root shell
  * Mount disk for read/write
  * edit /etc/default/grub:  find the line starting with 
'GRUB_CMDLINE_LINUX_DEFAULT=' and add the word nomodeset inside the quotes
  * run update-grub and reboot

  Developers: How is it possible that something so obvious has gone into an 
LTS? You may want to
  (1) review your processes and maybe be more conservative in the choice of 
package versions for an LTS;
  (2) have some basic validation process before releasing an LTS (AMD's APUs 
are mainstream hardware);
  (3) prioritize the fix of such bugs (first reports are from half a year ago) 
or extend the life of previous releases (13.10 was just fine) until they are 
fixed.

  ProblemType: Bug
  DistroRelease: Ubuntu 14.04
  Package: linux-image-3.13.0-35-generic 3.13.0-35.62
  ProcVersionSignature: Ubuntu 3.13.0-35.62-generic 3.13.11.6
  Uname: Linux 3.13.0-35-generic x86_64
  AlsaVersion: Advanced Linux Sound Architecture Driver Version 
k3.13.0-35-generic.
  AplayDevices: Error: [Errno 2] No such file or directory: 'aplay'
  ApportVersion: 2.14.1-0ubuntu3.3
  Architecture: amd64
  ArecordDevices: Error: [Errno 2] No such file or directory: 'arecord'
  AudioDevicesInUse: Error: command ['fuser', '-v', '/dev/snd/by-path', 
'/dev/snd/controlC1', '/dev/snd/hwC1D0', '/dev/snd/pcmC1D0c', 
'/dev/snd/pcmC1D0p', '/dev/snd/pcmC1D2c', '/dev/snd/controlC0', 
'/dev/snd/hwC0D0', '/dev/snd/pcmC0D3p', '/dev/snd/seq', '/dev/snd/timer'] 
failed with exit code 1:
  CRDA: Error: [Errno 2] No such file or directory: 'iw'
  Card0.Amixer.info: Error: [Errno 2] No such file or directory: 'amixer'
  Card0.Amixer.values: Error: [Errno 2] No such file or directory: 'amixer'
  Card1.Amixer.info: Error: [Errno 2] No such file or directory: 'amixer'
  Card1.Amixer.values: Error: [Errno 2] No such file or directory: 'amixer'
  CurrentDmesg:
   
  Date: Mon Sep  8 21:37:52 2014
  HibernationDevice: RESUME=UUID=c347e713-9e24-4ff4-aec8-45cc91763877
  InstallationDate: Installed on 2014-09-09 (0 days ago)
  InstallationMedia: Ubuntu-Server 14.04.1 LTS "Trusty Tahr" - Release amd64 
(20140722.3)
  IwConfig:
   eth0      no wireless extensions.
   
   eth1      no wireless extensions.
   
   lo        no wireless extensions.
  MachineType: MSI MS-7721
  ProcFB:
   
  ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-3.13.0-35-generic 
root=UUID=42c89bfe-885c-4c79-bc38-c301f5f9545e ro iommu=soft nomodeset
  RelatedPackageVersions:
   linux-restricted-modules-3.13.0-35-generic N/A
   linux-backports-modules-3.13.0-35-generic  N/A
   linux-firmware                             1.127.5
  RfKill: Error: [Errno 2] No such file or directory: 'rfkill'
  SourcePackage: linux
  UpgradeStatus: No upgrade log present (probably fresh install)
  dmi.bios.date: 03/18/2014
  dmi.bios.vendor: American Megatrends Inc.
  dmi.bios.version: V25.3
  dmi.board.asset.tag: To be filled by O.E.M.
  dmi.board.name: A88XM-E45 (MS-7721)
  dmi.board.vendor: MSI
  dmi.board.version: 5.0
  dmi.chassis.asset.tag: To Be Filled By O.E.M.
  dmi.chassis.type: 3
  dmi.chassis.vendor: MSI
  dmi.chassis.version: 5.0
  dmi.modalias: 
dmi:bvnAmericanMegatrendsInc.:bvrV25.3:bd03/18/2014:svnMSI:pnMS-7721:pvr5.0:rvnMSI:rnA88XM-E45(MS-7721):rvr5.0:cvnMSI:ct3:cvr5.0:
  dmi.product.name: MS-7721
  dmi.product.version: 5.0
  dmi.sys.vendor: MSI

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