Return to Question

There are already a lot of Google results for this issue, dating back until 2011. It seems to apply to various operating systems, including Debian, Ubuntu and LXDE.

There are already a lot of Google results for this issue, dating back until 2011. It seems to apply to various operating systems, including Debian, Ubuntu and Raspberry OS (formerly Raspbian).

I also used strace -f -o <file> -p <pid> and I have a ~20 MB file with repeating calls.

Update 2019-03-28

I had the same situation again and I found gcore <pid>, which seems to generate a core dump of the process. Now I have 5 files of ~80 MB in size.