Applications do not start their interface

[isadora]

I also have another problem, but maybe it will need another Subject for that. The issue is that, I don't know since when, some applications do not start their interface. The interface doesn't appear at all, but it appera in the task bar for a few seconds then it disappears. These applications are Zoom and Kdenlive (as I already observed).

[banjo]

That generally means that the programs are crashing. Open a terminal and run them from the command line to see the errors.

[meinsta]

Thank you! @banjo for your response.
I did this and zoom sais nothing, while kdenlive sais this:

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 $ kdenlive
"frei0r.3dflippo" is blacklisted
"frei0r.bluescreen0r" is blacklisted
"frei0r.bw0r" is blacklisted
"frei0r.gamma" is blacklisted
"frei0r.invert0r" is blacklisted
"frei0r.rgbsplit0r" is blacklisted
"frei0r.transparency" is blacklisted
"frei0r.vertigo" is blacklisted
WARNING : Fails to parse  "telecide"
WARNING : Fails to parse  "glsl.manager"
WARNING : Fails to parse  "movit.convert"
WARNING : Fails to parse  "movit.crop"
WARNING : Fails to parse  "movit.resample"
WARNING : Fails to parse  "movit.resize"
"gtkrescale" is blacklisted
"rgblut" is blacklisted
"spot_remover" is blacklisted
"text" is blacklisted
"timer" is blacklisted
"qtext" is blacklisted
"videostab" is blacklisted
"videostab2" is blacklisted
"motion_est" is blacklisted
WARNING : Fails to parse  "crop_detect"
WARNING : Fails to parse  "jack"
"jackrack" is blacklisted
WARNING : Fails to parse  "audiochannels"
WARNING : Fails to parse  "audioconvert"
WARNING : Fails to parse  "data_feed"
"data_show" is blacklisted
WARNING : Fails to parse  "imageconvert"
"luma" is blacklisted
"mask_apply" is blacklisted
"mask_start" is blacklisted
"mono" is blacklisted
"region" is blacklisted
"resize" is blacklisted
"transition" is blacklisted
"watermark" is blacklisted
WARNING : Fails to parse  "deinterlace"
"resample" is blacklisted
WARNING : Fails to parse  "avcolour_space"
WARNING : Fails to parse  "avcolor_space"
WARNING : Fails to parse  "avdeinterlace"
WARNING : Fails to parse  "swscale"
"avfilter.abench" is blacklisted
"avfilter.acompressor" is blacklisted
"avfilter.adelay" is blacklisted
"avfilter.aecho" is blacklisted
"avfilter.aemphasis" is blacklisted
"avfilter.aeval" is blacklisted
"avfilter.afade" is blacklisted
"avfilter.afftfilt" is blacklisted
"avfilter.agate" is blacklisted
"avfilter.ametadata" is blacklisted
"avfilter.arealtime" is blacklisted
"avfilter.ashowinfo" is blacklisted
"avfilter.channelmap" is blacklisted
"avfilter.chorus" is blacklisted
"avfilter.earwax" is blacklisted
"avfilter.volume" is blacklisted
"avfilter.volumedetect" is blacklisted
"avfilter.ass" is blacklisted
"avfilter.atadenoise" is blacklisted
"avfilter.avgblur" is blacklisted
"avfilter.bbox" is blacklisted
"avfilter.bench" is blacklisted
"avfilter.blackdetect" is blacklisted
"avfilter.blackframe" is blacklisted
"avfilter.boxblur" is blacklisted
"avfilter.bwdif" is blacklisted
"avfilter.chromakey" is blacklisted
"avfilter.colorkey" is blacklisted
"avfilter.colormatrix" is blacklisted
"avfilter.colorspace" is blacklisted
"avfilter.convolution" is blacklisted
"avfilter.crop" is blacklisted
"avfilter.cropdetect" is blacklisted
"avfilter.curves" is blacklisted
"avfilter.datascope" is blacklisted
"avfilter.dctdnoiz" is blacklisted
"avfilter.deband" is blacklisted
"avfilter.deflate" is blacklisted
"avfilter.deinterlace_vaapi" is blacklisted
"avfilter.deshake" is blacklisted
"avfilter.despill" is blacklisted
"avfilter.doubleweave" is blacklisted
"avfilter.drawbox" is blacklisted
"avfilter.drawgraph" is blacklisted
"avfilter.drawgrid" is blacklisted
"avfilter.drawtext" is blacklisted
"avfilter.elbg" is blacklisted
"avfilter.eq" is blacklisted
"avfilter.fade" is blacklisted
"avfilter.field" is blacklisted
"avfilter.fieldhint" is blacklisted
"avfilter.fieldorder" is blacklisted
"avfilter.find_rect" is blacklisted
"avfilter.floodfill" is blacklisted
"avfilter.fspp" is blacklisted
"avfilter.gblur" is blacklisted
"avfilter.geq" is blacklisted
"avfilter.hflip" is blacklisted
"avfilter.hqdn3d" is blacklisted
"avfilter.hqx" is blacklisted
"avfilter.hue" is blacklisted
"avfilter.hwdownload" is blacklisted
"avfilter.idet" is blacklisted
"avfilter.il" is blacklisted
"avfilter.lenscorrection" is blacklisted
"avfilter.loop" is blacklisted
"avfilter.lumakey" is blacklisted
"avfilter.lut" is blacklisted
"avfilter.lutrgb" is blacklisted
"avfilter.lutyuv" is blacklisted
"avfilter.mcdeint" is blacklisted
"avfilter.metadata" is blacklisted
"avfilter.negate" is blacklisted
"avfilter.nlmeans" is blacklisted
"avfilter.nnedi" is blacklisted
"avfilter.owdenoise" is blacklisted
"avfilter.pad" is blacklisted
"avfilter.perspective" is blacklisted
"avfilter.phase" is blacklisted
"avfilter.pixscope" is blacklisted
"avfilter.pp" is blacklisted
"avfilter.pp7" is blacklisted
"avfilter.prewitt" is blacklisted
"avfilter.realtime" is blacklisted
"avfilter.removegrain" is blacklisted
"avfilter.removelogo" is blacklisted
"avfilter.roberts" is blacklisted
"avfilter.rotate" is blacklisted
"avfilter.scale_vaapi" is blacklisted
"avfilter.showinfo" is blacklisted
"avfilter.shuffleframes" is blacklisted
"avfilter.sidedata" is blacklisted
"avfilter.signalstats" is blacklisted
"avfilter.sobel" is blacklisted
"avfilter.stereo3d" is blacklisted
"avfilter.super2xsai" is blacklisted
"avfilter.swapuv" is blacklisted
"avfilter.tblend" is blacklisted
"avfilter.tlut2" is blacklisted
"avfilter.tonemap" is blacklisted
"avfilter.transpose" is blacklisted
"avfilter.vectorscope" is blacklisted
"avfilter.vflip" is blacklisted
"avfilter.vignette" is blacklisted
"avfilter.vmafmotion" is blacklisted
"avfilter.w3fdif" is blacklisted
"avfilter.xbr" is blacklisted
"avfilter.yadif" is blacklisted
"avfilter.zoompan" is blacklisted
WARNING : Fails to parse  "swresample"
++++++ Unknown asset :  "avfilter.acompressor"
++++++ Unknown asset :  "avfilter.aecho"
++++++ Unknown asset :  "avfilter.agate"
Warning: duplicate custom definition of effect "frei0r.alpha0ps" found. Only last one will be considered. Duplicate found in "/usr/share/kdenlive/effects/frei0r_alpha0ps.xml"
Warning: duplicate custom definition of effect "frei0r.balanc0r" found. Only last one will be considered. Duplicate found in "/usr/share/kdenlive/effects/frei0r_balanc0r.xml"
Warning: duplicate custom definition of effect "frei0r.curves" found. Only last one will be considered. Duplicate found in "/usr/share/kdenlive/effects/frei0r_curves.xml"
Warning: duplicate custom definition of effect "frei0r.levels" found. Only last one will be considered. Duplicate found in "/usr/share/kdenlive/effects/frei0r_levels.xml"
Warning: duplicate custom definition of effect "frei0r.lightgraffiti" found. Only last one will be considered. Duplicate found in "/usr/share/kdenlive/effects/frei0r_lightgraffiti.xml"
Warning: duplicate custom definition of effect "frei0r.select0r" found. Only last one will be considered. Duplicate found in "/usr/share/kdenlive/effects/frei0r_select0r.xml"
Warning: duplicate custom definition of effect "frei0r.sopsat" found. Only last one will be considered. Duplicate found in "/usr/share/kdenlive/effects/frei0r_sopsat.xml"
++++++ Unknown asset :  "frei0r.tehRoxx0r"
++++++ Unknown asset :  "frei0r.vertigo"
++++++ Unknown asset :  "frei0r.vertigo"
++++++ Unknown asset :  "movit.unsharp_mask"
Warning: duplicate custom definition of effect "qtblend" found. Only last one will be considered. Duplicate found in "/usr/share/kdenlive/effects/qtblend.xml"
++++++ Unknown asset :  "region"
++++++ Unknown asset :  "timewarp"
++++++ Unknown asset :  "opencv.tracker"
QFSFileEngine::open: No file name specified
"frei0r.alphainjection" is blacklisted
"frei0r.blend" is blacklisted
"frei0r.composition" is blacklisted
"frei0r.xfade0r" is blacklisted
QGLXContext: Failed to create dummy context
evdev ioctl: Inappropriate ioctl for device
Failed to create OpenGL context for format QSurfaceFormat(version 2.0, options QFlags<QSurfaceFormat::FormatOption>(), depthBufferSize 24, redBufferSize -1, greenBufferSize -1, blueBufferSize -1, alphaBufferSize -1, stencilBufferSize 8, samples -1, swapBehavior QSurfaceFormat::DoubleBuffer, swapInterval 1, colorSpace QSurfaceFormat::DefaultColorSpace, profile  QSurfaceFormat::NoProfile)
Aborted (core dumped)


[doktor5000]

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Failed to create OpenGL context for format QSurfaceFormat(version 2.0, options QFlags<QSurfaceFormat::FormatOption>(), depthBufferSize 24, redBufferSize -1, greenBufferSize -1, blueBufferSize -1, alphaBufferSize -1, stencilBufferSize 8, samples -1, swapBehavior QSurfaceFormat::DoubleBuffer, swapInterval 1, colorSpace QSurfaceFormat::DefaultColorSpace, profile  QSurfaceFormat::NoProfile)
Aborted (core dumped)


As you mentioned already in the other thread that there was a popup in systray that said something about software renderer active, this seem to be the issue.
You need working OpenGL support and preferrably hardware accleration enabled, which is currently not working.

Can you please post the output of

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lspcidrake -v

and attach a copy of /var/log/Xorg.0.log

[meinsta]

This is the output:

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$ lspcidrake -v
i2c_i801        : Intel Corporation|100 Series/C230 Series Chipset Family SMBus [SERIAL_SMBUS] (vendor:8086 device:a123 subv:1043 subd:1c5d) (rev: 31)
xhci_pci        : Intel Corporation|100 Series/C230 Series Chipset Family USB 3.0 xHCI Controller [SERIAL_USB] (vendor:8086 device:a12f subv:1043 subd:201f) (rev: 31)
Card:Intel 810 and later: Intel Corporation|HD Graphics 530 [DISPLAY_VGA] (vendor:8086 device:191b subv:1043 subd:1c5d) (rev: 06)
intel_pch_thermal: Intel Corporation|100 Series/C230 Series Chipset Family Thermal Subsystem [SIGNAL_OTHER] (vendor:8086 device:a131 subv:1043 subd:1c5d) (rev: 31)
intel_lpss_pci  : Intel Corporation|100 Series/C230 Series Chipset Family Serial IO I2C Controller #0 [SIGNAL_OTHER] (vendor:8086 device:a160 subv:1043 subd:1c5d) (rev: 31)
unknown         : Intel Corporation|Xeon E3-1200 v5/E3-1500 v5/6th Gen Core Processor Host Bridge/DRAM Registers [BRIDGE_HOST] (vendor:8086 device:1910 subv:1043 subd:1c5d) (rev: 07)
snd_hda_intel   : Intel Corporation|100 Series/C230 Series Chipset Family HD Audio Controller [MULTIMEDIA_AUDIO_DEV] (vendor:8086 device:a170 subv:1043 subd:1c5d) (rev: 31)
r8169           : Realtek Semiconductor Co., Ltd.|RTL8111/8168/8411 PCI Express Gigabit Ethernet Controller [NETWORK_ETHERNET] (vendor:10ec device:8168 subv:1043 subd:200f) (rev: 12)
unknown         : Intel Corporation|100 Series/C230 Series Chipset Family PCI Express Root Port #4 [BRIDGE_PCI] (vendor:8086 device:a113) (rev: f1)
Card:NVIDIA GeForce 635 series and later: NVIDIA Corporation|GM107M [GeForce GTX 960M] [DISPLAY_3D] (vendor:10de device:139b subv:1043 subd:1c5d) (rev: a2)
mei_me          : Intel Corporation|100 Series/C230 Series Chipset Family MEI Controller #1 [COMMUNICATION_OTHER] (vendor:8086 device:a13a subv:1043 subd:1c5d) (rev: 31)
processor_thermal_device: Intel Corporation|Xeon E3-1200 v5/E3-1500 v5/6th Gen Core Processor Thermal Subsystem [SIGNAL_OTHER] (vendor:8086 device:1903 subv:1043 subd:1c5d) (rev: 07)
unknown         : Intel Corporation|Xeon E3-1200 v5/E3-1500 v5/6th Gen Core Processor PCIe Controller (x16) [BRIDGE_PCI] (vendor:8086 device:1901) (rev: 07)
iwlwifi         : Intel Corporation|Wireless 8260 [NETWORK_OTHER] (vendor:8086 device:24f3 subv:8086 subd:0010) (rev: 3a)
unknown         : Intel Corporation|HM170 Chipset LPC/eSPI Controller [BRIDGE_ISA] (vendor:8086 device:a14e subv:1043 subd:1c5d) (rev: 31)
intel_lpss_pci  : Intel Corporation|100 Series/C230 Series Chipset Family Serial IO I2C Controller #1 [SIGNAL_OTHER] (vendor:8086 device:a161 subv:1043 subd:1c5d) (rev: 31)
unknown         : Intel Corporation|100 Series/C230 Series Chipset Family PCI Express Root Port #3 [BRIDGE_PCI] (vendor:8086 device:a112) (rev: f1)
unknown         : Intel Corporation|100 Series/C230 Series Chipset Family Power Management Controller [MEMORY_OTHER] (vendor:8086 device:a121 subv:1043 subd:1c5d) (rev: 31)
unknown         : Intel Corporation|HM170/QM170 Chipset SATA Controller [AHCI Mode] [STORAGE_SATA] (vendor:8086 device:a103 subv:1043 subd:1c5d) (rev: 31)
rtsx_pci        : Realtek Semiconductor Co., Ltd.|RTL8411B PCI Express Card Reader (vendor:10ec device:5287) (rev: 01)
hub             : Linux 5.7.19-desktop-3.mga7 xhci-hcd|xHCI Host Controller [Hub|Unused|Full speed (or root) hub] (vendor:1d6b device:0002)
uvcvideo        : Azurewave|USB2.0 UVC HD Webcam [Video|Video Control] (vendor:13d3 device:5654)
btusb           : Intel Corp.|Unknown [Wireless|Radio Frequency|Bluetooth] (vendor:8087 device:0a2b)
hub             : Linux 5.7.19-desktop-3.mga7 xhci-hcd|xHCI Host Controller [Hub|Unused|Full speed (or root) hub] (vendor:1d6b device:0003)


[doktor5000]

Please don't crosspost between this and the other thread, as both issues have the same root cause, that no proper graphics driver is selected / configured.

From what I can tell, your system seems to be the usual hybrid where both the CPU-integrated intel graphics and the dedicated nvidia graphics are enabled.
The intel card is currently being used for X server it seems. Also the screenshots in the other thread don't really help at all, as most of those are pretty much irrelevant and don't show the cause.

If you still have an issue, best attach the complete /etc/X11/xorg.conf and journalctl -ab output to the other thread.

[meinsta]

When I run Zoom in the terminal I wait 2-3 seconds and then nothing happens. The terminal waits for the next command line.
While when I want to open it from its icon, it appears in the apps bar, stays there also for 2-3 seconds, and then it disappears.

[doktor5000]

How did you install zoom initally? Also please run zoom via strace and attach the resulting file zoom.log here

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strace -o zoom.log zoom

You may also consider asking zoom support about this as that is proprietary software:
https://support.zoom.us/hc/en-us/articl ... -for-Linux