Public bug reported: When initiating suspend (to RAM), the kernel gets tainted. This is a regression that appeared after upgrading from Kubuntu 13.10 to 14.04. My computer has a discrete nVidia card (hybrid SLI system, on ASUS UL80VT). Here is an extract from dmesg:
PM: Preparing system for mem sleep BUG: unable to handle kernel NULL pointer dereference at 00000000000000b8 IP: [<ffffffff8139ba5b>] pci_bus_read_config_dword+0x4b/0x90 ProblemType: Bug DistroRelease: Ubuntu 14.04 Package: xorg 1:7.7+1ubuntu8 ProcVersionSignature: Ubuntu 3.13.0-26.48-generic 3.13.11 Uname: Linux 3.13.0-26-generic x86_64 ApportVersion: 2.14.1-0ubuntu3 Architecture: amd64 CurrentDesktop: KDE Date: Fri May 9 23:34:03 2014 InstallationDate: Installed on 2010-01-19 (1571 days ago) InstallationMedia: Kubuntu 9.10 "Karmic Koala" - Release amd64 (20091027) SourcePackage: xorg Symptom: display UpgradeStatus: Upgraded to trusty on 2014-05-07 (2 days ago) ** Affects: xorg (Ubuntu) Importance: Undecided Status: New ** Tags: amd64 apport-bug kubuntu trusty -- You received this bug notification because you are a member of Desktop Packages, which is subscribed to xorg in Ubuntu. https://bugs.launchpad.net/bugs/1318040 Title: Suspend does not work Status in “xorg” package in Ubuntu: New Bug description: When initiating suspend (to RAM), the kernel gets tainted. This is a regression that appeared after upgrading from Kubuntu 13.10 to 14.04. My computer has a discrete nVidia card (hybrid SLI system, on ASUS UL80VT). Here is an extract from dmesg: PM: Preparing system for mem sleep BUG: unable to handle kernel NULL pointer dereference at 00000000000000b8 IP: [<ffffffff8139ba5b>] pci_bus_read_config_dword+0x4b/0x90 ProblemType: Bug DistroRelease: Ubuntu 14.04 Package: xorg 1:7.7+1ubuntu8 ProcVersionSignature: Ubuntu 3.13.0-26.48-generic 3.13.11 Uname: Linux 3.13.0-26-generic x86_64 ApportVersion: 2.14.1-0ubuntu3 Architecture: amd64 CurrentDesktop: KDE Date: Fri May 9 23:34:03 2014 InstallationDate: Installed on 2010-01-19 (1571 days ago) InstallationMedia: Kubuntu 9.10 "Karmic Koala" - Release amd64 (20091027) SourcePackage: xorg Symptom: display UpgradeStatus: Upgraded to trusty on 2014-05-07 (2 days ago) To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/xorg/+bug/1318040/+subscriptions -- Mailing list: https://launchpad.net/~desktop-packages Post to : desktop-packages@lists.launchpad.net Unsubscribe : https://launchpad.net/~desktop-packages More help : https://help.launchpad.net/ListHelp