Thank you for reporting this bug to Ubuntu. Ubuntu 16.10 (yakkety) reached end-of-life on July 20, 2017. Ubuntu 10.04 (lucid) reached end-of-life on May 9, 2013.
See this document for currently supported Ubuntu releases: https://wiki.ubuntu.com/Releases We appreciate that this bug may be old and you might not be interested in discussing it any more. But if you are then please upgrade to the latest Ubuntu version and re-test. If you then find the bug is still present in the newer Ubuntu version, please add a comment here telling us which new version it is in and change the bug status to Confirmed. ** Changed in: xorg (Ubuntu) Status: Incomplete => Invalid -- You received this bug notification because you are a member of Ubuntu Touch seeded packages, which is subscribed to xorg in Ubuntu. https://bugs.launchpad.net/bugs/555298 Title: [RV250] black screen when switching users Status in xserver-xorg-driver-ati: Unknown Status in xorg package in Ubuntu: Invalid Bug description: Binary package hint: xorg When switching users in Lucid, often X will freeze up and just give me a black screen with blinking cursor. When I try to go to the current session with Ctrl+Alt+F7,8,9,etc. I either get black, distorted or a non-responsive unlock screen. ProblemType: Bug DistroRelease: Ubuntu 10.04 Package: xorg 1:7.5+3ubuntu1 ProcVersionSignature: Ubuntu 2.6.32-19.28-generic 2.6.32.10+drm33.1 Uname: Linux 2.6.32-19-generic i686 Architecture: i386 CurrentDmesg: [ 13.377233] usb 3-2: usbfs: interface 0 claimed by usblp while 'usb' sets config #1 [ 19.436009] eth1: no IPv6 routers present [ 45.528055] end_request: I/O error, dev fd0, sector 0 [ 45.612036] end_request: I/O error, dev fd0, sector 0 Date: Sun Apr 4 21:08:10 2010 DkmsStatus: Error: [Errno 2] Bestand of map bestaat niet InstallationMedia: Ubuntu 10.04 "Lucid Lynx" - Beta i386 (20100318) MachineType: HP Pavilion 06 DF168A-ABH T170. ProcCmdLine: BOOT_IMAGE=/boot/vmlinuz-2.6.32-19-generic root=UUID=1ed36f90-6dd8-4916-8da8-acd31abccb32 ro quiet splash ProcEnviron: LANG=nl_NL.UTF-8 SHELL=/bin/bash SourcePackage: xorg dmi.bios.date: 07/16/2003 dmi.bios.vendor: Phoenix Technologies, LTD dmi.bios.version: 3.23 dmi.board.name: MS-6577 dmi.board.vendor: MICRO-STAR INTERNATIONAL CO., LTD dmi.board.version: 030 dmi.chassis.type: 3 dmi.modalias: dmi:bvnPhoenixTechnologies,LTD:bvr3.23:bd07/16/2003:svnHPPavilion06:pnDF168A-ABHT170.:pvr03Y0211RE101XENO4:rvnMICRO-STARINTERNATIONALCO.,LTD:rnMS-6577:rvr030:cvn:ct3:cvr: dmi.product.name: DF168A-ABH T170. dmi.product.version: 03Y0211RE101XENO4 dmi.sys.vendor: HP Pavilion 06 glxinfo: Error: [Errno 2] Bestand of map bestaat niet system: distro: Ubuntu codename: lucid architecture: i686 kernel: 2.6.32-19-generic [lspci] 00:00.0 Host bridge [0600]: Intel Corporation 82845G/GL[Brookdale-G]/GE/PE DRAM Controller/Host-Hub Interface [8086:2560] (rev 03) Subsystem: Micro-Star International Co., Ltd. Device [1462:5770] 01:00.0 VGA compatible controller [0300]: ATI Technologies Inc Radeon RV250 If [Radeon 9000] [1002:4966] (rev 01) Subsystem: ATI Technologies Inc Device [1002:2002] To manage notifications about this bug go to: https://bugs.launchpad.net/xserver-xorg-driver-ati/+bug/555298/+subscriptions -- Mailing list: https://launchpad.net/~touch-packages Post to : [email protected] Unsubscribe : https://launchpad.net/~touch-packages More help : https://help.launchpad.net/ListHelp

