** 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 upgraded from Ubuntu 12.10 to 13.04 about 5 hours ago and the - freeze happened at least 3 times. + 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 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. + 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 the latest freeze, when booting, the GRUB console is now - displayed before Ubuntu is started, and I have to press ENTER to launch - the default and only operating system (Ubuntu). + 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. + + 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 + 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. + 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 + 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 + 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
