the system halts and doesn't respond to any more commands

[Lucio]

very often the system halts and doesn't respond to any more commands, in particular after using Libre Office.
Thank you for any suggestion,
LS

ProblemType: Bug
DistroRelease: Ubuntu 12.04
Package: linux-image-3.2.0-126-generic-pae 3.2.0-126.169
ProcVersionSignature: Ubuntu 3.2.0-126.169-generic-pae 3.2.79
Uname: Linux 3.2.0-126-generic-pae i686
AlsaVersion: Advanced Linux Sound Architecture Driver Version 1.0.24.
ApportVersion: 2.0.1-0ubuntu17.15
Architecture: i386
ArecordDevices:
 **** List of CAPTURE Hardware Devices ****
 card 0: PCH [HDA Intel PCH], device 0: ALC887-VD Analog [ALC887-VD Analog]
   Subdevices: 1/1
   Subdevice #0: subdevice #0
AudioDevicesInUse:
 USER PID ACCESS COMMAND
 /dev/snd/controlC0: lucio 3835 F.... pulseaudio
Card0.Amixer.info:
 Card hw:0 'PCH'/'HDA Intel PCH at 0xfe600000 irq 51'
   Mixer name : 'Intel CougarPoint HDMI'
   Components : 'HDA:10ec0887,1462ac73,00100302 HDA:80862805,80862805,00100000'
   Controls : 26
   Simple ctrls : 12
Date: Thu May 25 12:07:09 2017
HibernationDevice: RESUME=UUID=b6955dca-c29d-45b0-8d4b-1a5f7632373f
InstallationMedia: Ubuntu 12.04 LTS "Precise Pangolin" - Release i386 (20120423)
MachineType: MICRO-STAR INTERNATIONAL CO., LTD MS-AC73
MarkForUpload: True
ProcFB: 0 inteldrmfb
ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-3.2.0-126-generic-pae root=UUID=30b1e28c-2599-405f-8e4e-c7ea3df268d0 ro quiet splash vt.handoff=7
RelatedPackageVersions:
 linux-restricted-modules-3.2.0-126-generic-pae N/A
 linux-backports-modules-3.2.0-126-generic-pae N/A
 linux-firmware 1.79.18
RfKill:
 0: phy0: Wireless LAN
  Soft blocked: no
  Hard blocked: no
SourcePackage: linux
StagingDrivers: mei
UpgradeStatus: No upgrade log present (probably fresh install)
UserAsoundrc:
 # ALSA library configuration file

 # Include settings that are under the control of asoundconf(1).
 # (To disable these settings, comment out this line.)
 </home/lucio/.asoundrc.asoundconf>
dmi.bios.date: 12/28/2011
dmi.bios.vendor: American Megatrends Inc.
dmi.bios.version: V1.50
dmi.board.name: MS-AC73
dmi.board.vendor: MICRO-STAR INTERNATIONAL CO., LTD
dmi.board.version: 1.1
dmi.chassis.asset.tag: To Be Filled By O.E.M.
dmi.chassis.type: 3
dmi.chassis.vendor: To Be Filled By O.E.M.
dmi.chassis.version: 1.1
dmi.modalias: dmi:bvnAmericanMegatrendsInc.:bvrV1.50:bd12/28/2011:svnMICRO-STARINTERNATIONALCO.,LTD:pnMS-AC73:pvr1.1:rvnMICRO-STARINTERNATIONALCO.,LTD:rnMS-AC73:rvr1.1:cvnToBeFilledByO.E.M.:ct3:cvr1.1:
dmi.product.name: MS-AC73
dmi.product.version: 1.1
dmi.sys.vendor: MICRO-STAR INTERNATIONAL CO., LTD

[Brad Figg (brad-figg)]

This change was made by a bot.

[Joseph Salisbury (jsalisbury)]

Did this issue start happening after an update/upgrade? Was there a prior kernel version where you were not having this particular problem?

Would it be possible for you to test the latest upstream kernel? Refer to https://wiki.ubuntu.com/KernelMainlineBuilds . Please test the latest v4.12 kernel[0].

If this bug is fixed in the mainline kernel, please add the following tag 'kernel-fixed-upstream'.

If the mainline kernel does not fix this bug, please add the tag: 'kernel-bug-exists-upstream'.

Once testing of the upstream kernel is complete, please mark this bug as "Confirmed".

Thanks in advance.

[0] http://kernel.ubuntu.com/~kernel-ppa/mainline/v4.12-rc2

[Launchpad Janitor (janitor)]

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