Chris Plummer, thank you for providing this requested information. As per your https://launchpadlibrarian.net/161732594/BootDmesg.txt : [ 0.599043] [Firmware Bug]: ACPI: BIOS _OSI(Linux) query ignored ... [ 2.222479] irq 16: nobody cared (try booting with the "irqpoll" option) [ 2.222485] CPU: 0 PID: 0 Comm: swapper/0 Tainted: G I 3.12.0-7-generic #15-Ubuntu [ 2.222487] Hardware name: Dell Inc. Precision WorkStation T5500 /0D883F, BIOS A06 09/16/2010 [ 2.222489] ffff88030e6ba09c ffff880317c03e68 ffffffff81711aee ffff88030e6ba000 [ 2.222493] ffff880317c03e90 ffffffff810bc7d2 ffff88030e6ba000 0000000000000010 [ 2.222496] 0000000000000000 ffff880317c03ed0 ffffffff810bcc01 ffffffff815cabaf [ 2.222500] Call Trace:
As well, as per http://www.dell.com/support/drivers/us/en/19/Product/precision-t5500 an update is available for your BIOS (A16). 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 For more on BIOS updates and linux, please see https://help.ubuntu.com/community/ReportingBugs#Bug_reporting_etiquette . Thank you for your understanding. -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1257327 Title: Ubuntu 13.10 dual monitor screen lock causes windows to disappear off- screen To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/xorg/+bug/1257327/+subscriptions -- ubuntu-bugs mailing list [email protected] https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
