The 3.8.0-30.43 kernel is now available in the -proposed repository. Would it be possible for you to test this latest kernel and post back if it resolves this bug?
See https://wiki.ubuntu.com/Testing/EnableProposed for documentation how to enable and use -proposed. Thank you in advance! ** Changed in: linux (Ubuntu) Importance: Undecided => High ** Tags added: regression-update ** Tags added: performing-bisect ** Changed in: linux (Ubuntu) Status: Confirmed => 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/1215513 Title: System locks up, requires hard reset Status in “linux” package in Ubuntu: Incomplete Bug description: Since I started using 3.8.0-29 I experienced system lock ups at random times. First one was while running Virtualbox (windows guest) but later have been without virtualbox running for example while shutting down or while reading a webpage. I could not find any relevant log, but I'd post any log file considered useful. This has hapened in 2 different machines (the one im reporting from is intel with intel graphics and the other is AMD with radeon graphics). Both 64 bits. Up until 3.8.0-27 inclusive I had not had a lockup in years in any of those machines. I have been running Ubuntu 64 bit since at least 2008 in one of them. ProblemType: Bug DistroRelease: Ubuntu 13.04 Package: linux-image-3.8.0-29-generic 3.8.0-29.42 ProcVersionSignature: Ubuntu 3.8.0-29.42-generic 126.96.36.199 Uname: Linux 3.8.0-29-generic x86_64 ApportVersion: 2.9.2-0ubuntu8.3 Architecture: amd64 AudioDevicesInUse: USER PID ACCESS COMMAND /dev/snd/controlC0: fede 1829 F.... pulseaudio CRDA: Error: command ['iw', 'reg', 'get'] failed with exit code 1: nl80211 not found. CurrentDmesg: Date: Thu Aug 22 12:49:35 2013 HibernationDevice: RESUME=UUID=ee5b2280-eed3-41e2-8675-103fbdd703d1 InstallationDate: Installed on 2012-12-03 (261 days ago) InstallationMedia: Ubuntu 12.10 "Quantal Quetzal" - Release amd64 (20121017.5) IwConfig: eth0 no wireless extensions. lo no wireless extensions. Lsusb: Bus 001 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub Bus 002 Device 001: ID 1d6b:0001 Linux Foundation 1.1 root hub Bus 003 Device 001: ID 1d6b:0001 Linux Foundation 1.1 root hub Bus 004 Device 001: ID 1d6b:0001 Linux Foundation 1.1 root hub Bus 005 Device 001: ID 1d6b:0001 Linux Foundation 1.1 root hub MarkForUpload: True ProcFB: 0 inteldrmfb ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-3.8.0-29-generic root=UUID=0d34a8a5-2002-47e8-9128-a35623612ec1 ro quiet splash vt.handoff=7 RelatedPackageVersions: linux-restricted-modules-3.8.0-29-generic N/A linux-backports-modules-3.8.0-29-generic N/A linux-firmware 1.106 RfKill: SourcePackage: linux StagingDrivers: zram UpgradeStatus: Upgraded to raring on 2013-04-25 (118 days ago) dmi.bios.date: 09/11/2006 dmi.bios.vendor: Intel Corp. dmi.bios.version: TS94610J.86A.0047.2006.0911.0110 dmi.board.asset.tag: Base Board Asset Tag dmi.board.name: D946GZIS dmi.board.vendor: Intel Corporation dmi.board.version: AAD66165-501 dmi.chassis.type: 2 dmi.modalias: dmi:bvnIntelCorp.:bvrTS94610J.86A.0047.2006.0911.0110:bd09/11/2006:svn:pn:pvr:rvnIntelCorporation:rnD946GZIS:rvrAAD66165-501:cvn:ct2:cvr: To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1215513/+subscriptions -- Mailing list: https://launchpad.net/~kernel-packages Post to : email@example.com Unsubscribe : https://launchpad.net/~kernel-packages More help : https://help.launchpad.net/ListHelp