On 08.12.19 11:15, [email protected] wrote:
My problem is that Ubuntu crashes very often on Ubuntu 18.04 - so I ran it
using the terminal, so that I could try to debug it. I got error messages
straight away (there's a lot here):
libpng warning: iCCP: known incorrect sRGB profile
libpng warning: iCCP: known incorrect sRGB profile
libpng warning: iCCP: known incorrect sRGB profile
libpng warning: iCCP: known incorrect sRGB profile
libpng warning: iCCP: known incorrect sRGB profile
QIODevice::write (QProcess): device not open
QIODevice::write (QProcess): device not open
nouveau: kernel rejected pushbuf: Invalid argument
^^^^^^^
It looks like you have a NVIDIA graphics card and I've found several
reports on the internet describing problems with the open source graphic
driver nouveau and QT.
One workaround may be setting an environment variable before starting the
application:
QT_XCB_FORCE_SOFTWARE_OPENGL=1 mnemosyne
You could also try to use the proprietary nvidia driver for your graphics
card.
Bye, Andreas
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