** Description changed: Occasionally the system randomly slows to a crawl within a matter of seconds, and then freezes. It no longer responds to mouse or keyboard input. I had upgraded from Ubuntu 12.10 to 13.04 about 5 hours before first filing this bug, and the freeze happened at least 3 times. When the issue occurred the first times, the only running software was one or more web browsers (e.g. Google Chrome and/or Firefox). On one occasion the system froze just after launching LibreOffice Writer. There’s something that may be a consequence of the issue or related in some way. After one of the freezes, when booting the GRUB console was displayed before Ubuntu is started, and I had to press ENTER to launch the default and only operating system image (Ubuntu). The freeze seem to happen more frequently when a new application is launched (e.g. LibreOffice Writer, the Eye of GNOME image viewer, Firefox) while Google Chrome is running, or when a new Chrome tab is - opened. + opened. There seems to be a greater correlation of freezes when Eye of + GNOME is launched. I experienced similar freezes on the same hardware with Ubuntu 12.10 but much less frequently, once every several days instead of once every few hours with Ubuntu 13.04. My PC has an Intel Core i5 CPU 760 @ 2.80GHz × 4 with 8GB of RAM, a 450GB hard disk, and an Nvidia Quadro 400 graphics card. I'm running 64 bit Ubuntu 13.04 with the Nouveau drivers, freshly updated from 12.10. ProblemType: Bug DistroRelease: Ubuntu 13.04 Package: linux-image-3.8.0-19-generic 3.8.0-19.30 ProcVersionSignature: Ubuntu 3.8.0-19.30-generic 3.8.8 Uname: Linux 3.8.0-19-generic x86_64 ApportVersion: 2.9.2-0ubuntu8 Architecture: amd64 AudioDevicesInUse: USER PID ACCESS COMMAND /dev/snd/controlC1: paolo 2182 F.... pulseaudio /dev/snd/controlC0: paolo 2182 F.... pulseaudio CRDA: Error: command ['iw', 'reg', 'get'] failed with exit code 1: nl80211 not found. CurrentDmesg: [ 13.847176] IPv6: ADDRCONF(NETDEV_CHANGE): eth0: link becomes ready Date: Fri May 3 17:15:27 2013 HibernationDevice: RESUME=UUID=bf3a6625-a77d-4873-8881-486211c8bef1 InstallationDate: Installed on 2013-02-16 (76 days ago) InstallationMedia: Ubuntu 12.10 "Quantal Quetzal" - Release amd64 (20121017.5) IwConfig: eth0 no wireless extensions. lo no wireless extensions. MachineType: System manufacturer System Product Name MarkForUpload: True ProcEnviron: TERM=xterm PATH=(custom, no user) XDG_RUNTIME_DIR=<set> LANG=it_IT.UTF-8 SHELL=/bin/bash ProcFB: 0 nouveaufb ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-3.8.0-19-generic root=UUID=e97b7152-ea93-487a-a54b-c54346a2f645 ro quiet splash RelatedPackageVersions: linux-restricted-modules-3.8.0-19-generic N/A linux-backports-modules-3.8.0-19-generic N/A linux-firmware 1.106 RfKill: SourcePackage: linux UpgradeStatus: Upgraded to raring on 2013-05-03 (0 days ago) dmi.bios.date: 07/09/2010 dmi.bios.vendor: American Megatrends Inc. dmi.bios.version: 0903 dmi.board.asset.tag: To Be Filled By O.E.M. dmi.board.name: P7P55-M dmi.board.vendor: ASUSTeK Computer INC. dmi.board.version: Rev X.0x dmi.chassis.asset.tag: Asset-1234567890 dmi.chassis.type: 3 dmi.chassis.vendor: Chassis Manufacture dmi.chassis.version: Chassis Version dmi.modalias: dmi:bvnAmericanMegatrendsInc.:bvr0903:bd07/09/2010:svnSystemmanufacturer:pnSystemProductName:pvrSystemVersion:rvnASUSTeKComputerINC.:rnP7P55-M:rvrRevX.0x:cvnChassisManufacture:ct3:cvrChassisVersion: dmi.product.name: System Product Name dmi.product.version: System Version dmi.sys.vendor: System manufacturer
-- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1176061 Title: Random system freezes To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1176061/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
