I am also experiencing this bug on my Dell OptiPlex GX-520. System seems mostly stable on this and I can get some work done. If I recall correctly this bug seemed to pop up when I was installing Gimp and then on another occasion when switching to Terminal from Chrome. Hopefully it will be resolved or at least a workaround put into place as I am not looking forward to a reinstall.
*-pci description: Host bridge product: 82945G/GZ/P/PL Memory Controller Hub vendor: Intel Corporation physical id: 100 bus info: pci@0000:00:00.0 version: 02 width: 32 bits clock: 33MHz configuration: driver=agpgart-intel resources: irq:0 *-pci:0 description: PCI bridge product: 82945G/GZ/P/PL PCI Express Root Port vendor: Intel Corporation physical id: 1 bus info: pci@0000:00:01.0 version: 02 width: 32 bits clock: 33MHz capabilities: pci pm msi pciexpress normal_decode bus_master cap_list configuration: driver=pcieport resources: irq:24 memory:fe900000-fe9fffff *-display:0 description: VGA compatible controller product: 82945G/GZ Integrated Graphics Controller vendor: Intel Corporation physical id: 2 bus info: pci@0000:00:02.0 version: 02 width: 32 bits clock: 33MHz capabilities: msi pm vga_controller bus_master cap_list rom configuration: driver=i915 latency=0 resources: irq:16 memory:feb00000-feb7ffff ioport:e898(size=8) memory:e0000000-efffffff memory:feac0000-feafffff *-display:1 UNCLAIMED description: Display controller product: 82945G/GZ Integrated Graphics Controller vendor: Intel Corporation physical id: 2.1 bus info: pci@0000:00:02.1 version: 02 width: 32 bits clock: 33MHz capabilities: pm bus_master cap_list configuration: latency=0 resources: memory:feb80000-febfffff *-pci:1 description: PCI bridge product: NM10/ICH7 Family PCI Express Port 1 vendor: Intel Corporation physical id: 1c bus info: pci@0000:00:1c.0 version: 01 width: 32 bits clock: 33MHz capabilities: pci pciexpress msi pm normal_decode bus_master cap_list configuration: driver=pcieport resources: irq:25 ioport:1000(size=4096) memory:fe800000-fe8fffff ioport:f4000000(size=2097152) *-network description: Ethernet interface product: NetXtreme BCM5751 Gigabit Ethernet PCI Express vendor: Broadcom Corporation physical id: 0 bus info: pci@0000:02:00.0 logical name: enp2s0 version: 01 serial: 00:13:72:b5:8b:b9 size: 100Mbit/s capacity: 1Gbit/s width: 64 bits clock: 33MHz capabilities: pm vpd msi pciexpress bus_master cap_list ethernet physical tp 10bt 10bt-fd 100bt 100bt-fd 1000bt 1000bt-fd autonegotiation configuration: autonegotiation=on broadcast=yes driver=tg3 driverversion=3.137 duplex=full firmware=5751-v3.44a ip=192.168.168.2 latency=0 link=yes multicast=yes port=twisted pair speed=100Mbit/s resources: irq:16 memory:fe8f0000-fe8fffff *-pci:2 description: PCI bridge product: NM10/ICH7 Family PCI Express Port 2 vendor: Intel Corporation physical id: 1c.1 bus info: pci@0000:00:1c.1 version: 01 width: 32 bits clock: 33MHz capabilities: pci pciexpress msi pm normal_decode bus_master cap_list configuration: driver=pcieport resources: irq:26 ioport:3000(size=4096) memory:fe700000-fe7fffff ioport:f4200000(size=2097152) -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1540001 Title: visual becomes distorted To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/xorg/+bug/1540001/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs