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    #1

    Plasma screwiness

    I know that is not a very specific title. What happens is that every now and then, maybe twice a day, plasma starts screwing up the display. More precisely, the activity background images disappear leavng a black background. The application launcher seems to be invisible along narrow, vertical stripes. In syslog, I see this:

    Code:
    2026-02-15T08:26:51.435244+01:00 jon-desktop plasmashell[2305]: PipeWire remote error: -2 target not found
2026-02-15T08:26:51.468233+01:00 jon-desktop plasmashell[2305]: PipeWire remote error: -2 unknown resource 3 op:7
2026-02-15T08:33:22.847623+01:00 jon-desktop kernel: logitech-hidpp-device 0003:046D:4023.0006: hidpp_root_get_protocol_version: received protocol error 0x08
2026-02-15T08:44:28.678062+01:00 jon-desktop kioworker[5571]: TGAHandler::canRead() error while reading the header
2026-02-15T08:44:30.837780+01:00 jon-desktop kioworker[5571]: TGAHandler::canRead() error while reading the header
    Any thought?
    ​
    Last edited by Snowhog; Feb 15, 2026, 09:36 AM. Reason: Removed format TAGs
    'I must have a prodigious quantity of mind; it takes me as much as a week sometimes to make it up.' Mark Twain
    Tags: None
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    #2
    Not that I can add much more to this other than I can confirm similar issues here on multiple Neon systems. I've also seen the occasional plasma crash an restart. It hasn't been too disruptive, but it is noticeable.
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    Comment

      #3
      which video card is in use?
      Dave Kubuntu 20.04 Registered Linux User #462608

      Wireless Script: http://ubuntuforums.org/showthread.p...5#post12350385
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      Comment

        #4
        Mine is a

        Code:
        VGA compatible controller: NVIDIA Corporation GK107 [GeForce GT 740] (rev a1)
        ​
        'I must have a prodigious quantity of mind; it takes me as much as a week sometimes to make it up.' Mark Twain
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          #5
          Since I installed plasma 6.6, this crash occurs 8-10 times a day. This is beyond annoying, especially since the last time when killing and restarting plasmashell did not suffice and I had to reboot.
          'I must have a prodigious quantity of mind; it takes me as much as a week sometimes to make it up.' Mark Twain
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            #6
            It's getting worse. Today, I had to restart to get things going again. Here's what I think the relevant part of syslog.

            2026-03-18T18:29:11.807822+01:00 jon-desktop dbus-daemon[1405]: [system] Activating via systemd: service name='org.freedesktop.timedate1' unit='dbus-org.freedesktop.time
            date1.service' requested by ':1.279' (uid=1000 pid=21456 comm="/usr/lib/firefox-esr/firefox-esr" label="unconfined")
            2026-03-18T18:29:11.817296+01:00 jon-desktop systemd[1]: Starting systemd-timedated.service - Time & Date Service...
            2026-03-18T18:29:11.904823+01:00 jon-desktop dbus-daemon[1405]: [system] Successfully activated service 'org.freedesktop.timedate1'
            2026-03-18T18:29:11.905863+01:00 jon-desktop systemd[1]: Started systemd-timedated.service - Time & Date Service.
            2026-03-18T18:29:12.473171+01:00 jon-desktop rtkit-daemon[1973]: Supervising 6 threads of 3 processes of 1 users.
            2026-03-18T18:29:12.518412+01:00 jon-desktop rtkit-daemon[1973]: message repeated 3 times: [ Supervising 6 threads of 3 processes of 1 users.]
            2026-03-18T18:29:12.533707+01:00 jon-desktop rtkit-daemon[1973]: Successfully made thread 21553 of process 21456 owned by '1000' RT at priority 10.
            2026-03-18T18:29:12.534192+01:00 jon-desktop rtkit-daemon[1973]: Supervising 7 threads of 4 processes of 1 users.@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@ ^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@ ^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@ ^@^@^@^@^@^@^@^@^@^
            ^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@ ^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@ ^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@ ^@^@^@^@^@^@^@^@^@^
            ^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@ ^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@ ^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@ ^@^@^@^@^2026-03-18T18:30:34.849671+01:00 jon-desktop kernel: Linux version 6.17.0-19-generic (buildd@lcy02-amd64-019) (x86_64-linux-gnu-gcc-13 (Ubuntu 13.3.0-6ubuntu2~24.04.
            1) 13.3.0, GNU ld (GNU Binutils for Ubuntu) 2.42) #19~24.04.2-Ubuntu SMP PREEMPT_DYNAMIC Fri Mar 6 23:08:46 UTC 2 (Ubuntu 6.17.0-19.19~24.04.2-generic 6.17.13)
            2026-03-18T18:30:34.854270+01:00 jon-desktop kernel: Command line: root=UUID=ba6d6912-34d6-4564-9df0-cffc05a0d20d ro quiet splash initrd=boot\initrd.img-6.17.0-19-generi
            c
            2026-03-18T18:30:34.854274+01:00 jon-desktop kernel: KERNEL supported cpus:
            2026-03-18T18:30:34.854274+01:00 jon-desktop kernel: Intel GenuineIntel
            2026-03-18T18:30:34.854275+01:00 jon-desktop kernel: AMD AuthenticAMD
            2026-03-18T18:30:34.854275+01:00 jon-desktop kernel: Hygon HygonGenuine
            2026-03-18T18:30:34.854277+01:00 jon-desktop kernel: Centaur CentaurHauls
            2026-03-18T18:30:34.854278+01:00 jon-desktop kernel: zhaoxin Shanghai
            2026-03-18T18:30:34.854279+01:00 jon-desktop kernel: BIOS-provided physical RAM map:
            2026-03-18T18:30:34.854279+01:00 jon-desktop kernel: BIOS-e820: [mem 0x0000000000000000-0x0000000000057fff] usable
            2026-03-18T18:30:34.854280+01:00 jon-desktop kernel: BIOS-e820: [mem 0x0000000000058000-0x0000000000058fff] reserved
            2026-03-18T18:30:34.854280+01:00 jon-desktop kernel: BIOS-e820: [mem 0x0000000000059000-0x000000000009efff] usable
            2026-03-18T18:30:34.854281+01:00 jon-desktop kernel: BIOS-e820: [mem 0x000000000009f000-0x000000000009ffff] reserved
            2026-03-18T18:30:34.854283+01:00 jon-desktop kernel: BIOS-e820: [mem 0x0000000000100000-0x00000000b932cfff] usable
            2026-03-18T18:30:34.854283+01:00 jon-desktop kernel: BIOS-e820: [mem 0x00000000b932d000-0x00000000b9333fff] ACPI NVS
            :
            2026-03-18T18:30:34.849671+01:00 jon-desktop kernel: Linux version 6.17.0-19-generic (buildd@lcy02-amd64-019) (x86_64-linux-gnu-gcc-13 (Ubuntu 13.3.0-6ubuntu2~24.04.
            1) 13.3.0, GNU ld (GNU Binutils for Ubuntu) 2.42) #19~24.04.2-Ubuntu SMP PREEMPT_DYNAMIC Fri Mar 6 23:08:46 UTC 2 (Ubuntu 6.17.0-19.19~24.04.2-generic 6.17.13)
            2026-03-18T18:30:34.854270+01:00 jon-desktop kernel: Command line: root=UUID=ba6d6912-34d6-4564-9df0-cffc05a0d20d ro quiet splash initrd=boot\initrd.img-6.17.0-19-generi
            c
            2026-03-18T18:30:34.854274+01:00 jon-desktop kernel: KERNEL supported cpus:
            2026-03-18T18:30:34.854274+01:00 jon-desktop kernel: Intel GenuineIntel
            2026-03-18T18:30:34.854275+01:00 jon-desktop kernel: AMD AuthenticAMD
            2026-03-18T18:30:34.854275+01:00 jon-desktop kernel: Hygon HygonGenuine
            2026-03-18T18:30:34.854277+01:00 jon-desktop kernel: Centaur CentaurHauls
            2026-03-18T18:30:34.854278+01:00 jon-desktop kernel: zhaoxin Shanghai
            2026-03-18T18:30:34.854279+01:00 jon-desktop kernel: BIOS-provided physical RAM map:
            2026-03-18T18:30:34.854279+01:00 jon-desktop kernel: BIOS-e820: [mem 0x0000000000000000-0x0000000000057fff] usable
            2026-03-18T18:30:34.854280+01:00 jon-desktop kernel: BIOS-e820: [mem 0x0000000000058000-0x0000000000058fff] reserved
            2026-03-18T18:30:34.854280+01:00 jon-desktop kernel: BIOS-e820: [mem 0x0000000000059000-0x000000000009efff] usable
            2026-03-18T18:30:34.854281+01:00 jon-desktop kernel: BIOS-e820: [mem 0x000000000009f000-0x000000000009ffff] reserved
            2026-03-18T18:30:34.854283+01:00 jon-desktop kernel: BIOS-e820: [mem 0x0000000000100000-0x00000000b932cfff] usable

            ​...2026-03-18T18:30:34.854308+01:00 jon-desktop kernel: total RAM covered: 16302M
            2026-03-18T18:30:34.854309+01:00 jon-desktop kernel: gran_size: 64K chunk_size: 64K num_reg: 10 lose cover RAM: 118M
            2026-03-18T18:30:34.854309+01:00 jon-desktop kernel: gran_size: 64K chunk_size: 128K num_reg: 10 lose cover RAM: 118M
            2026-03-18T18:30:34.854310+01:00 jon-desktop kernel: gran_size: 64K chunk_size: 256K num_reg: 10 lose cover RAM: 118M
            2026-03-18T18:30:34.854310+01:00 jon-desktop kernel: gran_size: 64K chunk_size: 512K num_reg: 10 lose cover RAM: 118M
            2026-03-18T18:30:34.854310+01:00 jon-desktop kernel: gran_size: 64K chunk_size: 1M num_reg: 10 lose cover RAM: 118M
            2026-03-18T18:30:34.854312+01:00 jon-desktop kernel: gran_size: 64K chunk_size: 2M num_reg: 10 lose cover RAM: 118M
            2026-03-18T18:30:34.854313+01:00 jon-desktop kernel: gran_size: 64K chunk_size: 4M num_reg: 10 lose cover RAM: 118M
            2026-03-18T18:30:34.854313+01:00 jon-desktop kernel: gran_size: 64K chunk_size: 8M num_reg: 10 lose cover RAM: 118M
            2026-03-18T18:30:34.854314+01:00 jon-desktop kernel: *BAD*gran_size: 64K chunk_size: 16M num_reg: 10 lose cover RAM: -8M
            2026-03-18T18:30:34.854314+01:00 jon-desktop kernel: *BAD*gran_size: 64K chunk_size: 32M num_reg: 10 lose cover RAM: -8M
            2026-03-18T18:30:34.854315+01:00 jon-desktop kernel: *BAD*gran_size: 64K chunk_size: 64M num_reg: 10 lose cover RAM: -8M
            2026-03-18T18:30:34.854316+01:00 jon-desktop kernel: *BAD*gran_size: 64K chunk_size: 128M num_reg: 10 lose cover RAM: -8M
            2026-03-18T18:30:34.854317+01:00 jon-desktop kernel: *BAD*gran_size: 64K chunk_size: 256M num_reg: 10 lose cover RAM: -8M
            2026-03-18T18:30:34.854317+01:00 jon-desktop kernel: *BAD*gran_size: 64K chunk_size: 512M num_reg: 10 lose cover RAM: -264M
            2026-03-18T18:30:34.854318+01:00 jon-desktop kernel: *BAD*gran_size: 64K chunk_size: 1G num_reg: 10 lose cover RAM: -256M
            2026-03-18T18:30:34.854318+01:00 jon-desktop kernel: *BAD*gran_size: 64K chunk_size: 2G num_reg: 10 lose cover RAM: -1280M
            ​


            ​
            'I must have a prodigious quantity of mind; it takes me as much as a week sometimes to make it up.' Mark Twain
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