Math.h not found, QtCreator crash and corrupted SSD

@hamoid wrote:

Hi! A hard to debug one:

Symptoms

Sometimes (not every day), while compiling from QtCreator, the whole OS becomes unresponsive. I see the available RAM go down to 0. If I notice this on time I can stop the compilation by pressing the red stop button in QtCreator. If I don't, then the computer may recover, or may become extremely slow taking it many seconds to switch to another window or open a terminal to try kill the clangbackend.

Current status

This kind of crash happened two days ago. When I rebooted the computer, I was instructed to repair the disk. Dozens of screens like this were shown:

DSC07965.JPG1000x667 183 KB

Fortunately the system booted but I couldn't compile my project. I bought a new SSD and cloned the drive.

A source file in an OF addon was full of binary gibberish. Strangely, git did not notice that this file had changed when doing git status. I had to delete the file, then do git checkout file to get the file back.

I still can not compile the project. I now get this error:

In file included from /home/funpro/src/openFrameworks/examples/3d/3DPrimitivesExample/src/ofApp.cpp:1:
In file included from /home/funpro/src/openFrameworks/examples/3d/3DPrimitivesExample/src/ofApp.h:3:
In file included from /home/funpro/src/openFrameworks/libs/openFrameworks/ofMain.h:5:
In file included from /home/funpro/src/openFrameworks/libs/openFrameworks/utils/ofConstants.h:53:
/bin/../lib64/gcc/x86_64-pc-linux-gnu/7.2.1/../../../../include/c++/7.2.1/cmath:45:15: fatal error: 'math.h' file not found
#include_next <math.h>
              ^~~~~~~~
1 error generated.
Process failed with exit code 1.

But math.h seems to be there:

ls -la /bin/../lib64/gcc/x86_64-pc-linux-gnu/7.2.1/../../../../include/c++/7.2.1/*math*
-rw-r--r-- 1 root root 48484 Nov 28 22:27 /bin/../lib64/gcc/x86_64-pc-linux-gnu/7.2.1/../../../../include/c++/7.2.1/cmath
-rw-r--r-- 1 root root  1360 Nov 28 22:27 /bin/../lib64/gcc/x86_64-pc-linux-gnu/7.2.1/../../../../include/c++/7.2.1/ctgmath
-rw-r--r-- 1 root root  4380 Nov 28 22:27 /bin/../lib64/gcc/x86_64-pc-linux-gnu/7.2.1/../../../../include/c++/7.2.1/math.h
-rw-r--r-- 1 root root  1360 Nov 28 22:27 /bin/../lib64/gcc/x86_64-pc-linux-gnu/7.2.1/../../../../include/c++/7.2.1/tgmath.h

Questions

Does QtCreator become unresponsive like this to anyone with medium sized projects? This used to happen when I had only 8Gb on my system, so I upgraded to 16Gb. It happens less often now, but still happens.

Any ideas about fixing compilation and the missing math.h? I tried reinstalling a few packages like clang, qtcreator, but I guess I didn't find the right one.

Tips or suggestions?

Idea: scan all .c .cpp .h files looking if any of those contain binary content. This way maybe I can find corrupted ones.

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