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Thread: Unity launcher flickering

  1. #1
    Join Date
    Nov 2012
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    Ubuntu 13.04 Raring Ringtail

    Unity launcher flickering

    Hey there!

    When ever I'm on YouTube playing a video, or when Jdownloader is running in the background, and when I press the launcher menu, part of the launcher flickers (with youtube its the part where the video is). See screenshots:





    You can't tell from the screen, but that hidden part of the launcher appears/disappears constantly (flickers).

    This happened with some other programs too, don't remember which exactly. And it happens only when a program is on the desktop, not when its minimized, ofc.

    Its not really a problem, but its annoying. Is there a solution for this or is this a bug?

  2. #2
    Join Date
    Nov 2012
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    Ubuntu 13.04 Raring Ringtail

    Re: Unity launcher flickering

    No one?

  3. #3
    Join Date
    Jan 2012
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    87

    Re: Unity launcher flickering

    I really have no idea.

    Does it have to do with the theme you have?

    I notice you have a different theme... which on is it?

  4. #4
    Join Date
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    Re: Unity launcher flickering

    Theme is the default one. I only changed the icons.

    This does not happen to you when you play a video on youtube and open the launcher?

  5. #5
    Join Date
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    Ubuntu 12.04 Precise Pangolin

    Re: Unity launcher flickering

    It's possible your flickering problem might subside if you switch Unity to "low graphics mode"? This page explains how: http://www.ubuntuvibes.com/2012/10/m...in-ubuntu.html

    It just disables the transparency of the Dash and Launcher. Your flickering problem may be that the CPU and GPU are stressed by playing the video, and therefore don't have enough power to smoothly calculate the transparency of the Launcher at the same time.
    I try to treat the cause, not the symptom. I avoid the terminal in instructions, unless it's easier or necessary. My instructions will work within the Ubuntu system, instead of breaking or subverting it. Those are the three guarantees to the helpee.

  6. #6
    Join Date
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    Ubuntu 10.10 Maverick Meerkat

    Re: Unity launcher flickering

    Quote Originally Posted by 3rdalbum View Post
    Your flickering problem may be that the CPU and GPU are stressed by playing the video, and therefore don't have enough power to smoothly calculate the transparency of the Launcher at the same time.
    I've been watching this thread but not answering as I can't offer a solution, but that thought had occurred to me too. Perhaps you could tell us what CPU and graphics card you have, and how much RAM. Maybe someone will be able to say definitively whether you can expect that hardware to run smoothly or not.

    You can get a list of your hardware with
    Code:
    sudo lshw
    That generates quite a bit of stuff, so use the # button at the top of the post window to put code tags around it if you want to post it here.
    Michael

  7. #7
    Join Date
    Nov 2012
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    Re: Unity launcher flickering

    It shouldn't be a hardware problem.
    Btw, I noticed when I install something using the Ubuntu Software Center, the launcher also flickers when the progress bar is moving.

    Code:
               *-multimedia
                    description: Audio device
                    product: Barts HDMI Audio [Radeon HD 6800 Series]
                    vendor: Advanced Micro Devices [AMD] nee ATI
                    physical id: 0.1
                    bus info: pci@0000:01:00.1
                    version: 00
                    width: 64 bits
                    clock: 33MHz
                    capabilities: pm pciexpress msi bus_master cap_list
                    configuration: driver=snd_hda_intel latency=0
                    resources: irq:50 memory:fdefc000-fdefffff
            *-pci:1
                 description: PCI bridge
                 product: RD790 PCI to PCI bridge (PCI express gpp port E)
                 vendor: Advanced Micro Devices [AMD] nee ATI
                 physical id: 9
                 bus info: pci@0000:00:09.0
                 version: 00
                 width: 32 bits
                 clock: 33MHz
                 capabilities: pci pm pciexpress msi ht normal_decode bus_master cap_list
                 configuration: driver=pcieport
                 resources: irq:41 ioport:d000(size=4096) memory:fdb00000-fdbfffff ioport:fd200000(size=1048576)
               *-usb
                    description: USB controller
                    product: uPD720200 USB 3.0 Host Controller
                    vendor: NEC Corporation
                    physical id: 0
                    bus info: pci@0000:02:00.0
                    version: 03
                    width: 64 bits
                    clock: 33MHz
                    capabilities: pm msi msix pciexpress xhci bus_master cap_list
                    configuration: driver=xhci_hcd latency=0
                    resources: irq:17 memory:fdbfe000-fdbfffff
            *-pci:2
                 description: PCI bridge
                 product: RD790 PCI to PCI bridge (PCI express gpp port F)
                 vendor: Advanced Micro Devices [AMD] nee ATI
                 physical id: a
                 bus info: pci@0000:00:0a.0
                 version: 00
                 width: 32 bits
                 clock: 33MHz
                 capabilities: pci pm pciexpress msi ht normal_decode bus_master cap_list
                 configuration: driver=pcieport
                 resources: irq:42 ioport:c000(size=4096) memory:fd100000-fd1fffff ioport:fdf00000(size=1048576)
               *-storage
                    description: SATA controller
                    product: JMB363 SATA/IDE Controller
                    vendor: JMicron Technology Corp.
                    physical id: 0
                    bus info: pci@0000:03:00.0
                    version: 03
                    width: 32 bits
                    clock: 33MHz
                    capabilities: storage pm pciexpress ahci_1.0 bus_master cap_list
                    configuration: driver=ahci latency=0
                    resources: irq:18 memory:fd1fe000-fd1fffff
               *-ide
                    description: IDE interface
                    product: JMB363 SATA/IDE Controller
                    vendor: JMicron Technology Corp.
                    physical id: 0.1
                    bus info: pci@0000:03:00.1
                    version: 03
                    width: 32 bits
                    clock: 33MHz
                    capabilities: ide pm bus_master cap_list
                    configuration: driver=pata_jmicron latency=0
                    resources: irq:19 ioport:cf00(size=8) ioport:ce00(size=4) ioport:cd00(size=8) ioport:cc00(size=4) ioport:cb00(size=16)
            *-storage
                 description: SATA controller
                 product: SB7x0/SB8x0/SB9x0 SATA Controller [IDE mode]
                 vendor: Advanced Micro Devices [AMD] nee ATI
                 physical id: 11
                 bus info: pci@0000:00:11.0
                 version: 40
                 width: 32 bits
                 clock: 66MHz
                 capabilities: storage msi ahci_1.0 bus_master cap_list
                 configuration: driver=ahci latency=32
                 resources: irq:43 ioport:ff00(size=8) ioport:fe00(size=4) ioport:fd00(size=8) ioport:fc00(size=4) ioport:fb00(size=16) memory:fe02f000-fe02f3ff
            *-usb:0
                 description: USB controller
                 product: SB7x0/SB8x0/SB9x0 USB OHCI0 Controller
                 vendor: Advanced Micro Devices [AMD] nee ATI
                 physical id: 12
                 bus info: pci@0000:00:12.0
                 version: 00
                 width: 32 bits
                 clock: 66MHz
                 capabilities: ohci bus_master
                 configuration: driver=ohci_hcd latency=32
                 resources: irq:18 memory:fe02e000-fe02efff
            *-usb:1
                 description: USB controller
                 product: SB7x0/SB8x0/SB9x0 USB EHCI Controller
                 vendor: Advanced Micro Devices [AMD] nee ATI
                 physical id: 12.2
                 bus info: pci@0000:00:12.2
                 version: 00
                 width: 32 bits
                 clock: 66MHz
                 capabilities: pm debug ehci bus_master cap_list
                 configuration: driver=ehci_hcd latency=32
                 resources: irq:17 memory:fe02d000-fe02d0ff
            *-usb:2
                 description: USB controller
                 product: SB7x0/SB8x0/SB9x0 USB OHCI0 Controller
                 vendor: Advanced Micro Devices [AMD] nee ATI
                 physical id: 13
                 bus info: pci@0000:00:13.0
                 version: 00
                 width: 32 bits
                 clock: 66MHz
                 capabilities: ohci bus_master
                 configuration: driver=ohci_hcd latency=32
                 resources: irq:18 memory:fe02c000-fe02cfff
            *-usb:3
                 description: USB controller
                 product: SB7x0/SB8x0/SB9x0 USB EHCI Controller
                 vendor: Advanced Micro Devices [AMD] nee ATI
                 physical id: 13.2
                 bus info: pci@0000:00:13.2
                 version: 00
                 width: 32 bits
                 clock: 66MHz
                 capabilities: pm debug ehci bus_master cap_list
                 configuration: driver=ehci_hcd latency=32
                 resources: irq:17 memory:fe02b000-fe02b0ff
            *-serial UNCLAIMED
                 description: SMBus
                 product: SBx00 SMBus Controller
                 vendor: Advanced Micro Devices [AMD] nee ATI
                 physical id: 14
                 bus info: pci@0000:00:14.0
                 version: 42
                 width: 32 bits
                 clock: 66MHz
                 configuration: latency=0
            *-ide
                 description: IDE interface
                 product: SB7x0/SB8x0/SB9x0 IDE Controller
                 vendor: Advanced Micro Devices [AMD] nee ATI
                 physical id: 14.1
                 bus info: pci@0000:00:14.1
                 version: 40
                 width: 32 bits
                 clock: 66MHz
                 capabilities: ide bus_master cap_list
                 configuration: driver=pata_atiixp latency=32
                 resources: irq:17 ioport:1f0(size=8) ioport:3f6 ioport:170(size=8) ioport:376 ioport:fa00(size=16)
            *-multimedia
                 description: Audio device
                 product: SBx00 Azalia (Intel HDA)
                 vendor: Advanced Micro Devices [AMD] nee ATI
                 physical id: 14.2
                 bus info: pci@0000:00:14.2
                 version: 40
                 width: 64 bits
                 clock: 33MHz
                 capabilities: pm bus_master cap_list
                 configuration: driver=snd_hda_intel latency=32
                 resources: irq:16 memory:fe024000-fe027fff
            *-isa
                 description: ISA bridge
                 product: SB7x0/SB8x0/SB9x0 LPC host controller
                 vendor: Advanced Micro Devices [AMD] nee ATI
                 physical id: 14.3
                 bus info: pci@0000:00:14.3
                 version: 40
                 width: 32 bits
                 clock: 66MHz
                 capabilities: isa bus_master
                 configuration: latency=0
            *-pci:3
                 description: PCI bridge
                 product: SBx00 PCI to PCI Bridge
                 vendor: Advanced Micro Devices [AMD] nee ATI
                 physical id: 14.4
                 bus info: pci@0000:00:14.4
                 version: 40
                 width: 32 bits
                 clock: 66MHz
                 capabilities: pci subtractive_decode bus_master vga_palette
                 resources: ioport:b000(size=4096) memory:fdd00000-fddfffff memory:fdc00000-fdcfffff
               *-multimedia
                    description: Multimedia audio controller
                    product: CM8738
                    vendor: C-Media Electronics Inc
                    physical id: 7
                    bus info: pci@0000:04:07.0
                    version: 10
                    width: 32 bits
                    clock: 33MHz
                    capabilities: pm bus_master cap_list
                    configuration: driver=snd_cmipci latency=32 maxlatency=24 mingnt=2
                    resources: irq:21 ioport:be00(size=256)
               *-firewire
                    description: FireWire (IEEE 1394)
                    product: TSB43AB23 IEEE-1394a-2000 Controller (PHY/Link)
                    vendor: Texas Instruments
                    physical id: e
                    bus info: pci@0000:04:0e.0
                    version: 00
                    width: 32 bits
                    clock: 33MHz
                    capabilities: pm ohci bus_master cap_list
                    configuration: driver=firewire_ohci latency=32 maxlatency=4 mingnt=2
                    resources: irq:22 memory:fddff000-fddff7ff memory:fddf8000-fddfbfff
            *-usb:4
                 description: USB controller
                 product: SB7x0/SB8x0/SB9x0 USB OHCI2 Controller
                 vendor: Advanced Micro Devices [AMD] nee ATI
                 physical id: 14.5
                 bus info: pci@0000:00:14.5
                 version: 00
                 width: 32 bits
                 clock: 66MHz
                 capabilities: ohci bus_master
                 configuration: driver=ohci_hcd latency=32
                 resources: irq:18 memory:fe02a000-fe02afff
            *-pci:4
                 description: PCI bridge
                 product: SB700/SB800/SB900 PCI to PCI bridge (PCIE port 0)
                 vendor: Advanced Micro Devices [AMD] nee ATI
                 physical id: 15
                 bus info: pci@0000:00:15.0
                 version: 00
                 width: 32 bits
                 clock: 33MHz
                 capabilities: pci pm pciexpress msi ht normal_decode bus_master cap_list
                 configuration: driver=pcieport
                 resources: irq:17 ioport:a000(size=4096) memory:fda00000-fdafffff ioport:fd900000(size=1048576)
               *-storage
                    description: SATA controller
                    product: JMB363 SATA/IDE Controller
                    vendor: JMicron Technology Corp.
                    physical id: 0
                    bus info: pci@0000:05:00.0
                    version: 02
                    width: 32 bits
                    clock: 33MHz
                    capabilities: storage pm pciexpress ahci_1.0 bus_master cap_list
                    configuration: driver=ahci latency=0
                    resources: irq:17 memory:fdafe000-fdafffff
               *-ide
                    description: IDE interface
                    product: JMB363 SATA/IDE Controller
                    vendor: JMicron Technology Corp.
                    physical id: 0.1
                    bus info: pci@0000:05:00.1
                    version: 02
                    width: 32 bits
                    clock: 33MHz
                    capabilities: ide pm bus_master cap_list
                    configuration: driver=pata_jmicron latency=0
                    resources: irq:17 ioport:af00(size=8) ioport:ae00(size=4) ioport:ad00(size=8) ioport:ac00(size=4) ioport:ab00(size=16)
            *-pci:5
                 description: PCI bridge
                 product: SB700/SB800/SB900 PCI to PCI bridge (PCIE port 1)
                 vendor: Advanced Micro Devices [AMD] nee ATI
                 physical id: 15.1
                 bus info: pci@0000:00:15.1
                 version: 00
                 width: 32 bits
                 clock: 33MHz
                 capabilities: pci pm pciexpress msi ht normal_decode bus_master cap_list
                 configuration: driver=pcieport
                 resources: irq:17 ioport:9000(size=4096) memory:fd800000-fd8fffff ioport:fd700000(size=1048576)
               *-network
                    description: Ethernet interface
                    product: RTL8111/8168B PCI Express Gigabit Ethernet controller
                    vendor: Realtek Semiconductor Co., Ltd.
                    physical id: 0
                    bus info: pci@0000:06:00.0
                    logical name: eth0
                    version: 03
                    serial: 1c:6f:65:89:42:3b
                    size: 100Mbit/s
                    capacity: 1Gbit/s
                    width: 64 bits
                    clock: 33MHz
                    capabilities: pm msi pciexpress msix vpd bus_master cap_list rom ethernet physical tp mii 10bt 10bt-fd 100bt 100bt-fd 1000bt 1000bt-fd autonegotiation
                    configuration: autonegotiation=on broadcast=yes driver=r8169 driverversion=2.3LK-NAPI duplex=full firmware=rtl_nic/rtl8168d-2.fw ip=192.168.0.101 latency=0 link=yes multicast=yes port=MII speed=100Mbit/s
                    resources: irq:49 ioport:9e00(size=256) memory:fd7ff000-fd7fffff memory:fd7f8000-fd7fbfff memory:fd700000-fd71ffff
            *-pci:6
                 description: PCI bridge
                 product: SB900 PCI to PCI bridge (PCIE port 2)
                 vendor: Advanced Micro Devices [AMD] nee ATI
                 physical id: 15.2
                 bus info: pci@0000:00:15.2
                 version: 00
                 width: 32 bits
                 clock: 33MHz
                 capabilities: pci pm pciexpress msi ht normal_decode bus_master cap_list
                 configuration: driver=pcieport
                 resources: irq:17 ioport:8000(size=4096) memory:fd600000-fd6fffff ioport:fd500000(size=1048576)
            *-pci:7
                 description: PCI bridge
                 product: SB900 PCI to PCI bridge (PCIE port 3)
                 vendor: Advanced Micro Devices [AMD] nee ATI
                 physical id: 15.3
                 bus info: pci@0000:00:15.3
                 version: 00
                 width: 32 bits
                 clock: 33MHz
                 capabilities: pci pm pciexpress msi ht normal_decode bus_master cap_list
                 configuration: driver=pcieport
                 resources: irq:17 ioport:7000(size=4096) memory:fd400000-fd4fffff ioport:fd300000(size=1048576)
            *-usb:5
                 description: USB controller
                 product: SB7x0/SB8x0/SB9x0 USB OHCI0 Controller
                 vendor: Advanced Micro Devices [AMD] nee ATI
                 physical id: 16
                 bus info: pci@0000:00:16.0
                 version: 00
                 width: 32 bits
                 clock: 66MHz
                 capabilities: ohci bus_master
                 configuration: driver=ohci_hcd latency=32
                 resources: irq:18 memory:fe029000-fe029fff
            *-usb:6
                 description: USB controller
                 product: SB7x0/SB8x0/SB9x0 USB EHCI Controller
                 vendor: Advanced Micro Devices [AMD] nee ATI
                 physical id: 16.2
                 bus info: pci@0000:00:16.2
                 version: 00
                 width: 32 bits
                 clock: 66MHz
                 capabilities: pm debug ehci bus_master cap_list
                 configuration: driver=ehci_hcd latency=32
                 resources: irq:17 memory:fe028000-fe0280ff
         *-pci:1
              description: Host bridge
              product: Family 10h Processor HyperTransport Configuration
              vendor: Advanced Micro Devices [AMD]
              physical id: 101
              bus info: pci@0000:00:18.0
              version: 00
              width: 32 bits
              clock: 33MHz
         *-pci:2
              description: Host bridge
              product: Family 10h Processor Address Map
              vendor: Advanced Micro Devices [AMD]
              physical id: 102
              bus info: pci@0000:00:18.1
              version: 00
              width: 32 bits
              clock: 33MHz
         *-pci:3
              description: Host bridge
              product: Family 10h Processor DRAM Controller
              vendor: Advanced Micro Devices [AMD]
              physical id: 103
              bus info: pci@0000:00:18.2
              version: 00
              width: 32 bits
              clock: 33MHz
         *-pci:4
              description: Host bridge
              product: Family 10h Processor Miscellaneous Control
              vendor: Advanced Micro Devices [AMD]
              physical id: 104
              bus info: pci@0000:00:18.3
              version: 00
              width: 32 bits
              clock: 33MHz
              configuration: driver=k10temp
              resources: irq:0
         *-pci:5
              description: Host bridge
              product: Family 10h Processor Link Control
              vendor: Advanced Micro Devices [AMD]
              physical id: 105
              bus info: pci@0000:00:18.4
              version: 00
              width: 32 bits
              clock: 33MHz
         *-scsi:0
              physical id: 1
              logical name: scsi1
              capabilities: emulated
            *-disk
                 description: ATA Disk
                 product: Hitachi HDS72105
                 vendor: Hitachi
                 physical id: 0.0.0
                 bus info: scsi@1:0.0.0
                 logical name: /dev/sda
                 version: JP2O
                 serial: JP1570HJ1MHK9K
                 size: 465GiB (500GB)
                 capabilities: partitioned partitioned:dos
                 configuration: ansiversion=5 sectorsize=512 signature=c045a607
               *-volume:0
                    description: Windows NTFS volume
                    physical id: 1
                    bus info: scsi@1:0.0.0,1
                    logical name: /dev/sda1
                    version: 3.1
                    serial: 085a2ba5-b5cb-ac4a-b87e-bb56b4d59f0c
                    size: 57GiB
                    capacity: 57GiB
                    capabilities: primary bootable ntfs initialized
                    configuration: clustersize=4096 created=2011-01-28 19:49:29 filesystem=ntfs label=Win7sys state=clean
               *-volume:1
                    description: Windows NTFS volume
                    physical id: 2
                    bus info: scsi@1:0.0.0,2
                    logical name: /dev/sda2
                    version: 3.1
                    serial: 0067eef9-4126-8e4a-a577-0524731841d7
                    size: 279GiB
                    capacity: 279GiB
                    capabilities: primary ntfs initialized
                    configuration: clustersize=4096 created=2011-01-28 19:50:01 filesystem=ntfs label=Radni 400GB state=clean
               *-volume:2
                    description: Extended partition
                    physical id: 3
                    bus info: scsi@1:0.0.0,3
                    logical name: /dev/sda3
                    size: 127GiB
                    capacity: 127GiB
                    capabilities: primary extended partitioned partitioned:extended
                  *-logicalvolume:0
                       description: Linux filesystem partition
                       physical id: 5
                       logical name: /dev/sda5
                       logical name: /
                       capacity: 122GiB
                       configuration: mount.fstype=ext4 mount.options=rw,relatime,errors=remount-ro,data=ordered state=mounted
                  *-logicalvolume:1
                       description: Linux swap / Solaris partition
                       physical id: 6
                       logical name: /dev/sda6
                       capacity: 5720MiB
                       capabilities: nofs
         *-scsi:1
              physical id: 2
              logical name: scsi10
              capabilities: emulated
            *-disk
                 description: ATA Disk
                 product: Maxtor 6Y120P0
                 vendor: Maxtor
                 physical id: 0.0.0
                 bus info: scsi@10:0.0.0
                 logical name: /dev/sdb
                 version: YAR4
                 serial: Y34CPWDE
                 size: 114GiB (122GB)
                 capabilities: partitioned partitioned:dos
                 configuration: ansiversion=5 sectorsize=512 signature=8ef6c3a0
               *-volume:0
                    description: Windows NTFS volume
                    physical id: 1
                    bus info: scsi@10:0.0.0,1
                    logical name: /dev/sdb1
                    version: 3.1
                    serial: 104ce274-afb2-5643-a13f-4eb2b5408f01
                    size: 19GiB
                    capacity: 19GiB
                    capabilities: primary bootable ntfs initialized
                    configuration: clustersize=4096 created=2011-09-24 22:32:31 filesystem=ntfs label=temp downloads state=clean
               *-volume:1
                    description: Extended partition
                    physical id: 2
                    bus info: scsi@10:0.0.0,2
                    logical name: /dev/sdb2
                    size: 94GiB
                    capacity: 94GiB
                    capabilities: primary extended partitioned partitioned:extended
                  *-logicalvolume
                       description: HPFS/NTFS partition
                       physical id: 5
                       logical name: /dev/sdb5
                       capacity: 94GiB

  8. #8
    Join Date
    May 2009
    Location
    Indiana
    Beans
    1,825
    Distro
    Ubuntu 13.04 Raring Ringtail

    Re: Unity launcher flickering

    The hardware maxing out was my thought, too.

    Was that the entire list? Perhaps I'm too much of a dunce to find it, but your graphics card doesn't even seem to be in that list.

    Addendum: perhaps it would reduce the need for visual wading if you ran the following:

    Code:
    sudo lshw -c video
    sudo lshw -short
    Last edited by newb85; November 28th, 2012 at 11:52 PM.
    Jane, stop this crazy thing!

  9. #9
    Join Date
    Nov 2012
    Beans
    248
    Distro
    Ubuntu 13.04 Raring Ringtail

    Re: Unity launcher flickering

    Well I copied everything. My Graphics card is ATI HD 6870, CPU Phenom x4 3.2GHz, and 6GB of RAM.

  10. #10
    Join Date
    May 2009
    Location
    Indiana
    Beans
    1,825
    Distro
    Ubuntu 13.04 Raring Ringtail

    Re: Unity launcher flickering

    Well I'm befuddled. On second thought, that list seems to exclude your CPU, GPU, and RAM. (At the very least, they're not categorized normally.)
    Jane, stop this crazy thing!

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