QT6.4 on Ubuntu22.04 OOM

NancyChiang

Hi,
My SUT is 64G but still out of range.
Is there anyone know what happen when build QT6.4 on Ubuntu22.04 memory increasing so fast cause OOM issue.
I get the source package in here https://download.qt.io/official_releases/qt/6.4/6.4.0/single/qt-everywhere-src-6.4.0.tar.xz
And ./configure -prefix /usr/local/Qt6 then "cmake --build ."
I want to use qtwebengine for development, is there anyone can help to fix this.
Thanks.

jsulm

@NancyChiang Limit the number of parallel build jobs to avoid OOM.

NancyChiang

@jsulm I try parallel build, still not work.

jsulm

@NancyChiang said in QT6.4 on Ubuntu22.04 OOM:

I try parallel build

I suggested to LIMIT the number of parallel build processes - did you try that?

JoeCFD

You do not need to build it unless you are keen at practice. Why not simply install it with online installer? /opt may be a better place for installation than /usr/local.
Default installation dir of online installer is under /opt

NancyChiang

@jsulm I set 1, finally it's take one night build completed.

jsulm

@NancyChiang You can experiment with the number until it does not go out of memory.

NancyChiang

@jsulm not sure why only 1 can successfully, more than one will cause OOM.

jsulm

@NancyChiang This is indeed strange!
Looks like it is building Chromium when it fails, not sure what Chromium folks do :-)