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In the terminal window, sometimes after pressing a key the windows "freezes" for a few seconds. I can continue typing afterwards, but after a few seconds-minute it happens again.

The freeze happens ONLY after I type.

I am using Ubuntu 18.04 with Unity+compiz (don't know if it is related, because it didn't happen right after the installation of the OS). Also running on VMWare.

output of "lspci -nnk | grep -i vga -A3"

00:0f.0 VGA compatible controller [0300]: VMware SVGA II Adapter [15ad:0405]
        Subsystem: VMware SVGA II Adapter [15ad:0405]
        Kernel driver in use: vmwgfx
        Kernel modules: vmwgfx
    00:10.0 SCSI storage controller [0100]: LSI Logic / Symbios Logic 53c1030 PCI-X Fusion-MPT Dual Ultra320 SCSI [1000:0030] (rev 01)

Update:

Happens only in Unity Desktop + comiz is disabled

Thanks!

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  • what does the journal say around the time of the incident? I would try running jouralctl -f and check what it says when the window freezes
    – j-money
    Jul 15, 2018 at 15:26
  • @justinbenge - compiz[2222]: context mismatch in svga_sampler_view_destroy
    – TCS
    Jul 15, 2018 at 18:07
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    @TCS I think (I have been wrong before though...) that context mismatch.... is due to the use of video acceleration, you may try disabling it to see if that fixes the problem
    – j-money
    Jul 16, 2018 at 6:17
  • @justinbenge - that worked! write an answer :-)
    – TCS
    Jul 16, 2018 at 17:36

1 Answer 1

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compiz[2222]: context mismatch is due to a use of video acceleration, so usually disabling it should fix the problem :)

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