I can interrupt the process, but cannot get an output or termination. On Tue, Jun 20, 2023 at 3:59 PM Housam Alamour wrote: > When using fedora kernel version 6.3.6-200.fc38.x86_64, running any > SystemTap script with IO will get stuck at Pass 5: starting run. > (e.g. > probe begin > { print ("hello world\n") > exit () } > ) > > Upon downgrading to 6.2.15-300.fc38.x86_64 problem does not appear. > Possibly related to stapio. > > Output of ps aux | grep stap > halamour 4241 0.1 0.0 0 0 pts/0 Zl 15:48 0:00 > [stapio] > halamour 4291 4.0 0.9 542516 300152 pts/0 S+ 15:48 0:00 stap -v > hello-world.stp > halamour 4292 0.1 0.0 0 0 pts/0 Zl+ 15:48 0:00 > [stapio] > halamour 4358 0.0 0.0 222408 2176 pts/1 S+ 15:49 0:00 grep > --color=auto stap > > Output of lsmod | grep stap > stap_b9eef644af3bff3c851557a1748735a_4292 77824 1 > stap_b9eef644af3bff3c851557a1748735a_4241 77824 1 >