Vlad K., thank you for reporting this and helping make Ubuntu better. As per http://www.asrock.com/mb/AMD/A770DE+/?cat=Download&os=BIOS an update to your computer's buggy and outdated BIOS is available (1.70). If you update to this following https://help.ubuntu.com/community/BIOSUpdate does it change anything?
If it doesn't, could you please both specify what happened, and provide the output of the following terminal command: sudo dmidecode -s bios-version && sudo dmidecode -s bios-release-date For more on BIOS updates and linux, please see https://help.ubuntu.com/community/ReportingBugs#Bug_reporting_etiquette . Please note your current BIOS is already in the Bug Description, so posting this on the old BIOS would not be helpful. As well, you don't have to create a new bug report. Once the BIOS is updated, if the problem is still reproducible, and the information above is provided, then please mark this report Status Confirmed. Otherwise, please mark this as Invalid. Thank you for your understanding. ** Tags added: bios-outdated-1.70 ** Changed in: linux (Ubuntu) Importance: Undecided => Low ** Changed in: linux (Ubuntu) Status: New => Incomplete -- You received this bug notification because you are a member of Kernel Packages, which is subscribed to linux in Ubuntu. https://bugs.launchpad.net/bugs/1502459 Title: Selecting in LibreOffice Writer when running nouveau freezes the system Status in linux package in Ubuntu: Incomplete Bug description: Selecting anything in a LibreOffice document freezes the system if the nouveau driver is used. Cannot change tty, cannot do anything other than hard reset. Relevant kern.log entry (sans timestamp and hostname): nouveau E[ PFIFO][0000:02:00.0] still angry after 101 spins, halt Switching to proprietary nvidia driver (340.76-0ubuntu2) resulted with the problem no longer appearing. Nvidia: NVIDIA Corporation G92 [GeForce GTS 250] (rev a2) ProblemType: Bug DistroRelease: Ubuntu 15.04 Package: linux-image-3.19.0-30-generic 3.19.0-30.33 ProcVersionSignature: Ubuntu 3.19.0-30.33-generic 3.19.8-ckt6 Uname: Linux 3.19.0-30-generic x86_64 NonfreeKernelModules: nvidia ApportVersion: 2.17.2-0ubuntu1.5 Architecture: amd64 AudioDevicesInUse: USER PID ACCESS COMMAND /dev/snd/pcmC0D0p: vlad 1846 F...m pulseaudio /dev/snd/controlC0: vlad 1846 F.... pulseaudio CurrentDesktop: Unity CurrentDmesg: Error: command ['dmesg'] failed with exit code 1: dmesg: read kernel buffer failed: Operation not permitted Date: Sat Oct 3 17:54:49 2015 InstallationDate: Installed on 2015-09-13 (19 days ago) InstallationMedia: Ubuntu 15.04 "Vivid Vervet" - Release amd64 (20150422) IwConfig: eth0 no wireless extensions. lo no wireless extensions. MachineType: To Be Filled By O.E.M. To Be Filled By O.E.M. ProcFB: ProcKernelCmdLine: BOOT_IMAGE=/vmlinuz-3.19.0-30-generic root=UUID=9dba5d3c-d0d2-4548-853e-67419de0002c ro rootflags=subvol=@ crypt_root=/dev/sda4 quiet splash RelatedPackageVersions: linux-restricted-modules-3.19.0-30-generic N/A linux-backports-modules-3.19.0-30-generic N/A linux-firmware 1.143.3 RfKill: SourcePackage: linux UdevLog: Error: [Errno 2] No such file or directory: '/var/log/udev' UpgradeStatus: No upgrade log present (probably fresh install) dmi.bios.date: 11/26/2009 dmi.bios.vendor: American Megatrends Inc. dmi.bios.version: P1.40 dmi.board.name: A770DE+ dmi.board.vendor: ASRock 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: To Be Filled By O.E.M. dmi.modalias: dmi:bvnAmericanMegatrendsInc.:bvrP1.40:bd11/26/2009:svnToBeFilledByO.E.M.:pnToBeFilledByO.E.M.:pvrToBeFilledByO.E.M.:rvnASRock:rnA770DE+:rvr:cvnToBeFilledByO.E.M.:ct3:cvrToBeFilledByO.E.M.: dmi.product.name: To Be Filled By O.E.M. dmi.product.version: To Be Filled By O.E.M. dmi.sys.vendor: To Be Filled By O.E.M. To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1502459/+subscriptions -- Mailing list: https://launchpad.net/~kernel-packages Post to : kernel-packages@lists.launchpad.net Unsubscribe : https://launchpad.net/~kernel-packages More help : https://help.launchpad.net/ListHelp