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Nicely Nitpick Noble 24.04 LTS

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  • Schwarzer Kater
    replied
    I have noticed that kernel 6.7.x uses a good deal more memory on cold boot than e.g. kernel 6.5.x or 6.6.x (I have seen this in openSUSE Tumbleweed and Arch).
    Did you also observe this in Kubuntu 24.04?

    Leave a comment:


  • NoWorries
    replied
    It is Now 3 Months before the Release of Noble Numbat 24.04 LTS


    The only difference in the Info Centre areas over the last month is in the Kernel version as shown in the table below.

    4 Months To Go 3 Months To Go
    KDE Plasma Version 5.27.10 5.27.10
    KDE Frameworks Version 5.113 5.113
    QT Version 5.15.10 5.15.10
    Application Version 4:23.08.4 4:23.08.4
    Kernel Version 6.6.0-14-generic 6.7.0-2-generic

    I have had may updates over the last month, but these have been in the areas of consolidation as the third digit of packages is only advanced.

    So this system continues to be very stable for me with the only problem being with my calendar Kontact failing but KOrganizer works well, I still find that LibreOffice Impress for all slides, still has a white line along the right and bottom edge of the projection screen - this is a LibreOffice problem I believe.

    I use Noble 100% of the time and appreciate its stability. I assume that other users of Noble are experiencing the same stability. I still look forward, in anticipation, to the developers progress in the coming months.
    Last edited by NoWorries; Jan 26, 2024, 04:00 AM.

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  • NoWorries
    replied
    I am pleased to say that the problem with my UHD external display reverting to a low resolution 640x480 is now fixed with the recent updates. So I can now use Noble 100% without worrying about it reverting to a low resolution disconnected display.

    Leave a comment:


  • cookiemuncher
    replied
    Every now and then my DVD tray ejects itself and a little later draws back in again. There is no DVD/CD on the tray and no file browsers (ie. Dolphin) open.
    EDIT> Decided to leave it with grub menu on screen and the same happens. Seems like it's not the OS.
    Last edited by cookiemuncher; Dec 29, 2023, 05:31 PM.

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  • NoWorries
    replied
    It is Now 4 Months before the Release of Noble Numbat 24.04 LTS

    It is very unfortunate that this 4 month anniversary coincides with Christmas which is the time we celebrate with family and friends. In Australia, I am doing this post on our Boxing Day which will appear as Christmas Day in the UK and USA, so I will endeavour to give a positive aspect to this review.

    Now for the progress by developers over the last month.

    5 Months To Go 4 Months To Go
    KDE Plasma Version 5.27.9 5.27.10
    KDE Frameworks Version 5.112 5.113
    QT Version 5.15.10 5.15.10
    Application Version 4:23.08.3 4:23.08.4
    Kernel Version 6.5.0-9-generic 6.6.0-14-generic

    As you can see, all major aspects have moved up one notch with the exception of QT. Many of you may not have the Kernel version 6.6.0-14 as I added
    Code:
    sudo add-apt-repository ppa:canonical-kernel-team/bootstrap
    and my system is working very well. The only problems that I still have are:
    1. The calendar Kontact fails but Korganize works well,
    2. My UHD External Display still reverts to a low resolution 640x480. This only happens when I leave my system for about an hour.
    I appreciate the excellent work done by the developers and consider that this is still in an early stage of development, 99% of this system works very well for me.

    I wish you all a very Merry Christmas and a Happy New Year as we all enjoy and participate in the excellent development of Noble.

    Leave a comment:


  • acheron
    replied
    Originally posted by NoWorries View Post
    The second is that my calendar Kontact fails with the error
    Code:
    ~$ kontact
    [3010:3010:1221/171649.013462:FATAL:credentials.cc(125)] Check failed: . : Permission denied (13)
    Trace/breakpoint trap (core dumped)​
    I am so disappointed to have these problems so close to the next monthly anniversary just after Christmas.
    That would be this bug: https://bugs.launchpad.net/ubuntu/+s...r/+bug/2046844

    Leave a comment:


  • NoWorries
    replied
    As Christmas is just around the corner, I hope all on this forum have a very happy Christmas.

    Unfortunately, I have a number of issues that I wish to raise.

    The first is, does anyone know when the UHD external monitor switching to a low resolution, ie 640x480 will be fixed? Over the last week it seems to be getting worse and I was wondering if it was my hardware at fault. The only consolation is that it works fine on Mantic.

    The second is that my calendar Kontact fails with the error
    Code:
    ~$ kontact
    [3010:3010:1221/171649.013462:FATAL:credentials.cc(125)] Check failed: . : Permission denied (13)
    Trace/breakpoint trap (core dumped)​
    I am so disappointed to have these problems so close to the next monthly anniversary just after Christmas.

    Leave a comment:


  • rec9140
    replied
    Originally posted by NoWorries View Post
    Unfortunately, today's updates resulted in my external UHD monitor (3840x2160) reverting to a 640x480 size which is totally useless. I hope the developers can get a solution which solves this problem permanently.
    You mention kscreen.. and this hit a bell with me...

    Any reason you let that thing run Why?

    I don't have the real estate right now to have enough 26" monitors for the systems I would like on my desk... so I use a external switcher and the built in port switcher of the monitors to do it, when I need the physical screen. About 5% of the, the other 95% I can just "X in" (My term, its just X11 forwarding via SSH, NO VNC, rdp (pffttttoooeey!) is not an option or is a waste, ) do my stuff and leave..; Matter of fact this is done on just such a session.. box 1000's of miles from me..

    Anyway.. back to my point...

    In the cases I have to reboot, I found that either the external switch I have (cheap Oriental junk, yes) doesn't pass the right signals, respond correctly or something, and thus I get some low res screen on a reboot... then it dawned on me what was causing the issue, KSCREEN!

    I physically connect up the cable from the switch to the monitor instead, reboot, get the normal screen 1920x1080, and then KILL SCREEN! kill -9 (pid of kscreen) and move on!

    Honestly I think this is more kscreen than the switch.. as why does anything need to keep looking at monitors and their resolution after boot? I am surely missing the forest for the trees on this I am sure.

    So my suggestion is.. at least from what I read.. boot up with this fancy monitor , let it set the size, and then KILL KSCREEN! ( kill -9 [pid of kscreen] ) this ended my nuisance with it.. this comes into play too when doing XDMCP of full desktops... this is another reason I think kscreen is the main culprit in my case v. even the cheapo junky switch I have..

    Can't hurt, to try it and if not just reboot...

    Leave a comment:


  • Montmorency
    replied
    Originally posted by Schwarzer Kater View Post
    That lets me hope that Snaps can be removed and disabled in 24.04 as "easily" as in the Kubuntu versions before for a desktop installation.
    That's good to know. Thanks for the feedback.

    Leave a comment:


  • Schwarzer Kater
    replied
    Originally posted by Montmorency View Post
    Are there more Snap apps pre-installed compared to 22.04 LTS?
    A question I had myself, so I tried a daily live image of 24.04 today:
    atm there are no more Snaps than in e.g. 22.04 - only Firefox is a Snap and the system/DE is more or less the same as 23.10 (with Kubuntu Backports) at this stage.
    That lets me hope that Snaps can be removed and disabled in 24.04 as "easily" as in the Kubuntu versions before for a desktop installation.
    Last edited by Schwarzer Kater; Dec 15, 2023, 02:07 PM.

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  • NoWorries
    replied
    Yesterday I was able to use Noble for well over an hour. I made the mistake of leaving it logged in but idle for over an hour. When I came back to Noble, I found that my external display was once again in a low resolution display and not accessible.

    To speed up recovery, I had made a backup copy of noble's working kscreen file, so I booted up mantic and and over-wrote noble's kscreen.

    Edit: If you do not have another operating system available, you can unplug the external display so that you can launch Dolphin and fix up kscreen.

    So it looks like noble works fine if you actively use it, BUT IF YOU DON'T DO ANYTHING FOR A LONG PERIOD OF TIME, THE UHD SCREEN REVERTS TO LOW RESOLUTION. 640x480!!!
    Last edited by NoWorries; Dec 15, 2023, 12:53 AM. Reason: Added alternative approach to fix up kscreen

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  • NoWorries
    replied
    After 9 days of updates, I have now found that my UHD external display on longer drops into a disconnected low resolution display. All is now working as it should, and I will be using Noble with pleasure and not apprehension.

    So an external display with a UHD screen is FIXED. Thank-you very much.


    I have since found that the UHD external display still drops into a disconnected low resolution display. So it is definitely NOT FIXED.
    Last edited by NoWorries; Dec 13, 2023, 09:41 PM.

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  • NoWorries
    replied
    Unfortunately, today's updates resulted in my external UHD monitor (3840x2160) reverting to a 640x480 size which is totally useless. I hope the developers can get a solution which solves this problem permanently.

    Leave a comment:


  • kc1di
    replied
    Downloaded 24.04 daily and gave it a spin Live. Everything I tried worked but only tried it briefly. Looking good to me though.

    Leave a comment:


  • NoWorries
    replied
    Originally posted by NoWorries View Post
    For some days now, I have been finding that my external monitor suddenly drops into a low resolution screen that is totally detached from my primary monitor. I deleted the kscreen file in .local/share, but it still returned. The file that I initially had is: Original_screen.txt . The created low resolution screen is: Low_resolution_created.txt

    This forum system would not allow me to upload the kscreen files using their original names, so I changed the name to a text file which it accepted and that is why the name is different. The actual names are respectively 8d64366f9dfec177b8f51d752328bc2c and 812ef0e8d72b50cb05543d12ce15b8a1.

    My external monitor behaves as it should using Mantic which is in a separate partition on my Laptop.
    In my latest report I said that this problem had been fixed. Unfortunately, the switching of my UHD external monitor (3840x2160) to a low resolution is still present . I deleted my kscreen and initially Noble behaved as it should, but it then changed to the following:

    Code:
    [
    {
    "enabled": true,
    "id": "7243efe92100328fa4cc17959179d4ed",
    "metadata": {
    "fullname": "xrandr-BOE",
    "name": "eDP-1"
    },
    "mode": {
    "refresh": 59.95600128173828,
    "size": {
    "height": 1800,
    "width": 3200
    }
    },
    "overscan": 0,
    "pos": {
    "x": 2560,
    "y": 0
    },
    "priority": 1,
    "rgbrange": 0,
    "rotation": 1,
    "scale": 1,
    "vrrpolicy": 0
    },
    {
    "enabled": true,
    "id": "d0f6d790d615cc7af4e8ff4d61f68f09",
    "metadata": {
    "fullname": "xrandr-LG Electronics-LG Ultra HD-128915",
    "name": "DP-2"
    },
    "mode": {
    "refresh": 59.939998626708984,
    "size": {
    "height": 480,
    "width": 640
    }
    },
    "overscan": 0,
    "pos": {
    "x": 0,
    "y": 360
    },
    "priority": 2,
    "rgbrange": 0,
    "rotation": 1,
    "scale": 1,
    "vrrpolicy": 0
    }
    ]
    In the above kcreen output, you will find that the primary monitor resolution is wrong at 3200x1800 instead of 3840x2160. . So this problem is related to Noble not being able to handle UHD monitors. If I want to use Nodle, I disconnect my External monitor.

    FIXED!!

    I have now been using Noble for over 2 hours without any problem and it worked perfectly. It is a great pleasure to use.

    Many thanks to the developers who worked out that the problem was with a UHD external monitor - well done!!!
    Last edited by NoWorries; Dec 01, 2023, 11:34 PM. Reason: UHD external monitor screen size fixed

    Leave a comment:

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