doctorsnorky, as per : [ 0.129022] [Firmware Bug]: ACPI: BIOS _OSI(Linux) query ignored ... [ 83.372812] [drm] Wrong MCH_SSKPD value: 0x16040307 [ 83.372816] [drm] This can cause pipe underruns and display issues. [ 83.372817] [drm] Please upgrade your BIOS to fix this.
Hence, as per http://download.lenovo.com/express/ddfm.html an update is available for your BIOS (1.39). If you update to this following https://help.ubuntu.com/community/BiosUpdate , does it change anything? If it doesn't, could you please both specify what happened, and just provide the output of the following terminal command: sudo dmidecode -s bios-version && sudo dmidecode -s bios-release-date Please note your current BIOS is already in the Bug Description, so posting this on the old BIOS would not be helpful. For more on BIOS updates and linux, please see https://help.ubuntu.com/community/ReportingBugs#Bug_reporting_etiquette . Thank you for your understanding. Jesus, thank you for your comment. So your hardware and problem may be tracked, could you please file a new report with Ubuntu by executing the following in a terminal while booted into a Ubuntu repository kernel (not a mainline one) via: ubuntu-bug linux For more on this, please read the official Ubuntu documentation: Ubuntu Bug Control and Ubuntu Bug Squad: https://wiki.ubuntu.com/Bugs/BestPractices#X.2BAC8-Reporting.Focus_on_One_Issue Ubuntu Kernel Team: https://wiki.ubuntu.com/KernelTeam/KernelTeamBugPolicies#Filing_Kernel_Bug_reports Ubuntu Community: https://help.ubuntu.com/community/ReportingBugs#Bug_reporting_etiquette When opening up the new report, please feel free to subscribe me to it. Thank you for your understanding. Helpful bug reporting tips: https://help.ubuntu.com/community/ReportingBugs ** Tags added: bios-outdated-1.39 ** Changed in: linux (Ubuntu) Status: Confirmed => Incomplete ** Summary changed: - [LENOVO 4286CTO] suspend/resume failure + [LENOVO ThinkPad X220] suspend/resume failure ** Summary changed: - [LENOVO ThinkPad X220] suspend/resume failure + [Lenovo ThinkPad X220] suspend/resume failure -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1238384 Title: [Lenovo ThinkPad X220] suspend/resume failure To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1238384/+subscriptions -- ubuntu-bugs mailing list [email protected] https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
