This appears to have been down to a bad DIMM. Please close. Apologies for the noise.
** Description changed: I've had three hard system freezes since upgrading packages yesterday all withing about 5-10 minutes of login. I reverted from yesterdays kernel release to an earlier one and so far things seem stable. Problem Kernel: ii linux-image-4.15.0-32-generic - 4.15.0-32.35 amd64 Signed kernel image generic Reverted too: ii linux-image-4.15.0-30-generic - 4.15.0-30.32 amd64 Signed kernel image generic ProblemType: Bug DistroRelease: Ubuntu 18.04 Package: linux-image-4.15.0-32-generic 4.15.0-32.35 ProcVersionSignature: Ubuntu 4.15.0-32.35-generic 4.15.18 Uname: Linux 4.15.0-32-generic x86_64 NonfreeKernelModules: nvidia_modeset nvidia ApportVersion: 2.20.9-0ubuntu7.2 Architecture: amd64 Date: Fri Aug 17 10:41:36 2018 HibernationDevice: RESUME=UUID=e771bfb9-3f54-49ae-b543-31ca2a320d81 InstallationDate: Installed on 2018-05-21 (87 days ago) InstallationMedia: Ubuntu-Server 18.04 LTS "Bionic Beaver" - Release amd64 (20180426) MachineType: Gigabyte Technology Co., Ltd. EP45-DS3L ProcEnviron: - TERM=xterm-256color - PATH=(custom, no user) - LANG=en_GB.UTF-8 - SHELL=/bin/zsh + TERM=xterm-256color + PATH=(custom, no user) + LANG=en_GB.UTF-8 + SHELL=/bin/zsh ProcFB: 0 VESA VGA ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-4.15.0-32-generic root=UUID=c40418ab-5b44-4317-ad2f-2ad3d6d4119a ro PulseList: - Error: command ['pacmd', 'list'] failed with exit code 1: Home directory not accessible: Permission denied - No PulseAudio daemon running, or not running as session daemon. + Error: command ['pacmd', 'list'] failed with exit code 1: Home directory not accessible: Permission denied + No PulseAudio daemon running, or not running as session daemon. RelatedPackageVersions: - linux-restricted-modules-4.15.0-32-generic N/A - linux-backports-modules-4.15.0-32-generic N/A - linux-firmware 1.173.1 + linux-restricted-modules-4.15.0-32-generic N/A + linux-backports-modules-4.15.0-32-generic N/A + linux-firmware 1.173.1 RfKill: - + SourcePackage: linux UpgradeStatus: No upgrade log present (probably fresh install) dmi.bios.date: 11/18/2009 dmi.bios.vendor: Award Software International, Inc. dmi.bios.version: F11c dmi.board.name: EP45-DS3L dmi.board.vendor: Gigabyte Technology Co., Ltd. dmi.board.version: x.x dmi.chassis.type: 3 dmi.chassis.vendor: Gigabyte Technology Co., Ltd. dmi.modalias: dmi:bvnAwardSoftwareInternational,Inc.:bvrF11c:bd11/18/2009:svnGigabyteTechnologyCo.,Ltd.:pnEP45-DS3L:pvr:rvnGigabyteTechnologyCo.,Ltd.:rnEP45-DS3L:rvrx.x:cvnGigabyteTechnologyCo.,Ltd.:ct3:cvr: dmi.product.name: EP45-DS3L dmi.sys.vendor: Gigabyte Technology Co., Ltd. -- 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/1787559 Title: System Freeze 5-10 minutes after login Status in linux package in Ubuntu: Confirmed Bug description: I've had three hard system freezes since upgrading packages yesterday all withing about 5-10 minutes of login. I reverted from yesterdays kernel release to an earlier one and so far things seem stable. Problem Kernel: ii linux-image-4.15.0-32-generic - 4.15.0-32.35 amd64 Signed kernel image generic Reverted too: ii linux-image-4.15.0-30-generic - 4.15.0-30.32 amd64 Signed kernel image generic ProblemType: Bug DistroRelease: Ubuntu 18.04 Package: linux-image-4.15.0-32-generic 4.15.0-32.35 ProcVersionSignature: Ubuntu 4.15.0-32.35-generic 4.15.18 Uname: Linux 4.15.0-32-generic x86_64 NonfreeKernelModules: nvidia_modeset nvidia ApportVersion: 2.20.9-0ubuntu7.2 Architecture: amd64 Date: Fri Aug 17 10:41:36 2018 HibernationDevice: RESUME=UUID=e771bfb9-3f54-49ae-b543-31ca2a320d81 InstallationDate: Installed on 2018-05-21 (87 days ago) InstallationMedia: Ubuntu-Server 18.04 LTS "Bionic Beaver" - Release amd64 (20180426) MachineType: Gigabyte Technology Co., Ltd. EP45-DS3L ProcEnviron: TERM=xterm-256color PATH=(custom, no user) LANG=en_GB.UTF-8 SHELL=/bin/zsh ProcFB: 0 VESA VGA ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-4.15.0-32-generic root=UUID=c40418ab-5b44-4317-ad2f-2ad3d6d4119a ro PulseList: Error: command ['pacmd', 'list'] failed with exit code 1: Home directory not accessible: Permission denied No PulseAudio daemon running, or not running as session daemon. RelatedPackageVersions: linux-restricted-modules-4.15.0-32-generic N/A linux-backports-modules-4.15.0-32-generic N/A linux-firmware 1.173.1 RfKill: SourcePackage: linux UpgradeStatus: No upgrade log present (probably fresh install) dmi.bios.date: 11/18/2009 dmi.bios.vendor: Award Software International, Inc. dmi.bios.version: F11c dmi.board.name: EP45-DS3L dmi.board.vendor: Gigabyte Technology Co., Ltd. dmi.board.version: x.x dmi.chassis.type: 3 dmi.chassis.vendor: Gigabyte Technology Co., Ltd. dmi.modalias: dmi:bvnAwardSoftwareInternational,Inc.:bvrF11c:bd11/18/2009:svnGigabyteTechnologyCo.,Ltd.:pnEP45-DS3L:pvr:rvnGigabyteTechnologyCo.,Ltd.:rnEP45-DS3L:rvrx.x:cvnGigabyteTechnologyCo.,Ltd.:ct3:cvr: dmi.product.name: EP45-DS3L dmi.sys.vendor: Gigabyte Technology Co., Ltd. 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