* Stap gets stuck on Kernel Version 6.3
@ 2023-06-20 19:59 Housam Alamour
2023-06-20 20:01 ` Housam Alamour
0 siblings, 1 reply; 2+ messages in thread
From: Housam Alamour @ 2023-06-20 19:59 UTC (permalink / raw)
To: systemtap
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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]
<defunct>
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]
<defunct>
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
^ permalink raw reply [flat|nested] 2+ messages in thread
* Re: Stap gets stuck on Kernel Version 6.3
2023-06-20 19:59 Stap gets stuck on Kernel Version 6.3 Housam Alamour
@ 2023-06-20 20:01 ` Housam Alamour
0 siblings, 0 replies; 2+ messages in thread
From: Housam Alamour @ 2023-06-20 20:01 UTC (permalink / raw)
To: systemtap
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I can interrupt the process, but cannot get an output or termination.
On Tue, Jun 20, 2023 at 3:59 PM Housam Alamour <halamour@redhat.com> 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] <defunct>
> 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] <defunct>
> 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
>
^ permalink raw reply [flat|nested] 2+ messages in thread
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