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Thread: Long delay in launch of Dolphin and other file based searches

  1. #1
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    Default Long delay in launch of Dolphin and other file based searches

    From a clean system boot it takes a full 50 seconds after launching Dolphin for the window to appear. The Dolphin icon appears in the system tray then disappears only to return later when it's loaded. 'Top' briefly displays its appearance and then it disappears. Initially, it was thought that tracker-extract that was taking huge chunks of CPU was the cause, but that's been killed and deleted from the system. There are no zombie processes being shown in Top and cpu activity is generally a few percent and doesn't increase noticeably during this time.

    Once Dolphin is fully launched, file access is as responsive as one would wish provided the window isn't closed. If so, the same delay occurs.

    Delay is also experienced when attempting to attach files, such as images to emails, when there's a similar length pause of 50 seconds before the attachment window is displayed to select the document to be attached. So it would seem to relate to an issue with directory searches.

    The df command presents the following:

    Filesystem 1K-blocks Used Available Use% Mounted on
    devtmpfs 1956972 0 1956972 0% /dev
    tmpfs 1965196 39584 1925612 3% /dev/shm
    tmpfs 1965196 1320 1963876 1% /run
    tmpfs 1965196 0 1965196 0% /sys/fs/cgroup
    /dev/sda2 30589000 19167508 9844412 67% /
    /dev/sdb5 961431880 303562852 609031040 34% /media/Disk2
    /dev/sda3 274740524 199066600 74540528 73% /home
    tmpfs 393036 12 393024 1% /run/user/1000

    So it would not appear to be a space issue.

    This was running perfectly fine a while back, but changed after a zypper dup update. Unfortunately, I'm not able to pinpoint when. A subsequent manual update didn't change/fix anything.

    Any pointers to enable me to track this down will be appreciated.

    Thanks.

  2. #2
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    Default Re: Long delay in launch of Dolphin and other file based searches

    is this a dolphin only issue or are other parts of kde effected?
    have you tried a fresh user account or a different desktop and/or file manager
    are you sure it's not a hardware issue have you checked you hdd's smart status you can use smartmontools
    https://software.opensuse.org/package/smartmontools

  3. #3
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    Default Re: Long delay in launch of Dolphin and other file based searches

    Here's a procedure to find out what's going on:
    - Launch Dolphin from a terminal window, and look at the output
    - Create a new user, login as that user and check whether the issue exists for that user. If not, the culprit is somewhere in your homedir
    - Run 'zypper dup' again, to verify the system is up to date.
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  4. #4
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    Default Re: Long delay in launch of Dolphin and other file based searches

    Thanks for your quick response.

    Launching Dolphin from the command line outputs the following:

    Code:
    QStandardPaths: XDG_RUNTIME_DIR not set, defaulting to '/tmp/runtime-root'
    QStandardPaths: XDG_RUNTIME_DIR not set, defaulting to '/tmp/runtime-root'
    QStandardPaths: XDG_RUNTIME_DIR not set, defaulting to '/tmp/runtime-root'
    A pop-up window also appears which states "Ambiguous ... Dolphin. There are two actions (New Tab, New Tab) that want to use the same short cut. (CTRL+T). This is most probably a bug, please report it in bugs.kde.org"

    The pop-up is displaying now and the launch process is not complete. I assume that in the normal course of actions there is a timeout after which the process completes after the delay experienced.

    I will do some further investigation and report the bug, unless I need to do something to resolve the default above.

    Thanks for your help.

  5. #5
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    Default Re: Long delay in launch of Dolphin and other file based searches

    Quote Originally Posted by wishbone42 View Post
    Thanks for your quick response.

    Launching Dolphin from the command line outputs the following:

    Code:
    QStandardPaths: XDG_RUNTIME_DIR not set, defaulting to '/tmp/runtime-root'
    QStandardPaths: XDG_RUNTIME_DIR not set, defaulting to '/tmp/runtime-root'
    QStandardPaths: XDG_RUNTIME_DIR not set, defaulting to '/tmp/runtime-root'
    A pop-up window also appears which states "Ambiguous ... Dolphin. There are two actions (New Tab, New Tab) that want to use the same short cut. (CTRL+T). This is most probably a bug, please report it in bugs.kde.org"

    The pop-up is displaying now and the launch process is not complete. I assume that in the normal course of actions there is a timeout after which the process completes after the delay experienced.

    I will do some further investigation and report the bug, unless I need to do something to resolve the default above.

    Thanks for your help.
    Are you running Dolphin as root? Or ( which I hope not ) the entire desktop ?
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  6. #6
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    Default Re: Long delay in launch of Dolphin and other file based searches

    Here's the full output of the command once I closed the pop-up window.

    Code:
    pepper:~ # dolphin
    QStandardPaths: XDG_RUNTIME_DIR not set, defaulting to '/tmp/runtime-root'
    QStandardPaths: XDG_RUNTIME_DIR not set, defaulting to '/tmp/runtime-root'
    QStandardPaths: XDG_RUNTIME_DIR not set, defaulting to '/tmp/runtime-root'
    QObject::connect: No such signal QDBusAbstractInterface::DeviceAdded(QString)
    QObject::connect: No such signal QDBusAbstractInterface::DeviceRemoved(QString)
    Trying to convert empty KLocalizedString to QString.
    qt.qpa.xcb: QXcbConnection: XCB error: 3 (BadWindow), sequence: 563, resource id: 25166217, major code: 40 (TranslateCoords), minor code: 0
    QStandardPaths: XDG_RUNTIME_DIR not set, defaulting to '/tmp/runtime-root'
    QStandardPaths: XDG_RUNTIME_DIR not set, defaulting to '/tmp/runtime-root'
    QStandardPaths: XDG_RUNTIME_DIR not set, defaulting to '/tmp/runtime-root'
    QStandardPaths: XDG_RUNTIME_DIR not set, defaulting to '/tmp/runtime-root'
    QPixmap::scaled: Pixmap is a null pixmap
    QPixmap::scaled: Pixmap is a null pixmap
    QPixmap::scaled: Pixmap is a null pixmap
    QPixmap::scaled: Pixmap is a null pixmap
    QPixmap::scaled: Pixmap is a null pixmap
    QPixmap::scaled: Pixmap is a null pixmap
    QPixmap::scaled: Pixmap is a null pixmap
    QPixmap::scaled: Pixmap is a null pixmap
    QPixmap::scaled: Pixmap is a null pixmap
    QPixmap::scaled: Pixmap is a null pixmap
    QPixmap::scaled: Pixmap is a null pixmap
    QPainter::begin: Paint device returned engine == 0, type: 2
    QPixmap::scaled: Pixmap is a null pixmap
    QPixmap::scaled: Pixmap is a null pixmap
    QPixmap::scaled: Pixmap is a null pixmap
    QPixmap::scaled: Pixmap is a null pixmap
    
    QStandardPaths: XDG_RUNTIME_DIR not set, defaulting to '/tmp/runtime-root'
    QStandardPaths: XDG_RUNTIME_DIR not set, defaulting to '/tmp/runtime-root'
    QStandardPaths: XDG_RUNTIME_DIR not set, defaulting to '/tmp/runtime-root'
    QStandardPaths: XDG_RUNTIME_DIR not set, defaulting to '/tmp/runtime-root'
    QPixmap::scaled: Pixmap is a null pixmap
    QPixmap::scaled: Pixmap is a null pixmap
    
    QPixmap::scaled: Pixmap is a null pixmap
    QPixmap::scaled: Pixmap is a null pixmap
    QStandardPaths: XDG_RUNTIME_DIR not set, defaulting to '/tmp/runtime-root'
    QStandardPaths: XDG_RUNTIME_DIR not set, defaulting to '/tmp/runtime-root'
    QStandardPaths: XDG_RUNTIME_DIR not set, defaulting to '/tmp/runtime-root'
    QStandardPaths: XDG_RUNTIME_DIR not set, defaulting to '/tmp/runtime-root'
    QStandardPaths: XDG_RUNTIME_DIR not set, defaulting to '/tmp/runtime-root'
    Qt: Session management error: networkIdsList argument is NULL
    QPixmap::scaled: Pixmap is a null pixmap
    kf5.kio.core: We got some errors while running testparm "Load smb config files from /etc/samba/smb.conf\nLoaded services file OK.\nWARNING: 'workgroup' and 'netbios name' must differ.\n\n"
    QPixmap::scaled: Pixmap is a null pixmap
    QPixmap::scaled: Pixmap is a null pixmap
    QPixmap::scaled: Pixmap is a null pixmap
    
    QPixmap::scaled: Pixmap is a null pixmap
    QPainter::begin: Paint device returned engine == 0, type: 2
    QPainter::setOpacity: Painter not active
    QPainter::begin: Paint device returned engine == 0, type: 2
    QPainter::setOpacity: Painter not active
    QPainter::begin: Paint device returned engine == 0, type: 2
    QPainter::setCompositionMode: Painter not active
    QPixmap::scaled: Pixmap is a null pixmap
    QPixmap::scaled: Pixmap is a null pixmap
    QPixmap::scaled: Pixmap is a null pixmap
    
    Repeat of the same....
    
    QPixmap::scaled: Pixmap is a null pixmap
    QPixmap::scaled: Pixmap is a null pixmap
    QPainter::begin: Paint device returned engine == 0, type: 2
    QPainter::setOpacity: Painter not active
    QPainter::begin: Paint device returned engine == 0, type: 2
    QPainter::setOpacity: Painter not active
    QPainter::begin: Paint device returned engine == 0, type: 2
    QPainter::setCompositionMode: Painter not active
    QPixmap::scaled: Pixmap is a null pixmap
    QPixmap::scaled: Pixmap is a null pixmap
    QPainter::begin: Paint device returned engine == 0, type: 2
    QPainter::setOpacity: Painter not active
    QPainter::begin: Paint device returned engine == 0, type: 2
    QPainter::setOpacity: Painter not active
    QPainter::begin: Paint device returned engine == 0, type: 2
    QPainter::setCompositionMode: Painter not active
    QPixmap::scaled: Pixmap is a null pixmap
    QPixmap::scaled: Pixmap is a null pixmap
    QPixmap::scaled: Pixmap is a null pixmap
    
    QPixmap::scaled: Pixmap is a null pixmap
    QPixmap::scaled: Pixmap is a null pixmap
    QObject::connect: No such signal QDBusAbstractInterface::DeviceAdded(QString)
    QObject::connect: No such signal QDBusAbstractInterface::DeviceRemoved(QString)

  7. #7
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    Default Re: Long delay in launch of Dolphin and other file based searches

    Quote Originally Posted by Knurpht View Post
    Are you running Dolphin as root? Or ( which I hope not ) the entire desktop ?
    Yes, but only for the purposes of the command line test. Not in normal user operation.

  8. #8
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    Default Re: Long delay in launch of Dolphin and other file based searches

    Quote Originally Posted by wishbone42 View Post
    Yes, but only for the purposes of the command line test. Not in normal user operation.
    don't do that
    re do the test as an ordinary user

  9. #9
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    Default Re: Long delay in launch of Dolphin and other file based searches

    Quote Originally Posted by wishbone42 View Post
    Yes, but only for the purposes of the command line test. Not in normal user operation.
    That explains the error messages ( usage of 'su' or sudo instead of 'su -' ). But not the slowness,
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  10. #10
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    Default Re: Long delay in launch of Dolphin and other file based searches

    Quote Originally Posted by I_A View Post
    don't do that
    re do the test as an ordinary user

    Actually, I did, after receipt of your message. I still encountered the delay, but no pop-up error message regarding the ambiguity. The message from the console was less verbose, but contained elements of the output in the earlier response under root.
    Code:
    mwhite@pepper:~> dolphin
    QObject::connect: No such signal QDBusAbstractInterface::DeviceAdded(QString)
    QObject::connect: No such signal QDBusAbstractInterface::DeviceRemoved(QString)
    Trying to convert empty KLocalizedString to QString.
    kf5.kio.core: We got some errors while running testparm "Load smb config files from /etc/samba/smb.conf\nLoaded services file OK.\nWARNING: 'workgroup' and 'netbios name' must differ.\n\n"
    mwhite@pepper:~>

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