Set permanent dev.i915.perf_stream_paranoid=0

Support Graphics & Display
1

How to set permanentny command “dev.i915.perf_stream_paranoid=0”?

2

Create a file in /etc/sysctl.d/

F.e.:
echo dev.i915.perf_stream_paranoid=0 | sudo tee -a /etc/sysctl.d/99-i915psp.conf

2 Likes
3

I try in many was but no success.

4

Sorry, not sure what that means.

5

Many ways. Dictionary. Without success.

6

Which ways? What did you try?
The sysctl file did not work?

7

Yes. Sysctl file doesn’t work.

8

Not sure why not. Can you confirm the file is there? You did reboot I assume?

9

Please don’t be arrogant and blame others for not understanding your short, vague, misspelled posts. Bad manners are not welcome here.

3 Likes
10

I can confirm that file exist and after restart command 'sudo sysctl dec.915.perf_stream_paranoif give a score ‘dev.i915.perf_stream_paranoid=1’ .

11

Did the sysctl service run?

systemctl status systemd-sysctl.service

12

systemd-sysctl.service - Apply Kernel Variables
Loaded: loaded (/usr/lib/systemd/system/systemd-sysctl.service; static)
Active: active (exited) since Sun 2021-01-03 09:47:21 CET; 1h 0min ago
Docs: man:systemd-sysctl.service(8)
man:sysctl.d(5)
Process: 239 ExecStart=/usr/lib/systemd/systemd-sysctl (code=exited, status>
Main PID: 239 (code=exited, status=0/SUCCESS)

sty 03 09:47:21 ASUS-X540LJ systemd[1]: Starting Apply Kernel Variables…
sty 03 09:47:21 ASUS-X540LJ systemd[1]: Finished Apply Kernel Variables.
lines 1-10/10 (END)

13

Looks ok. Not sure why it’s not loading then.

Please post the output of:

sudo sysctl --system

And please use the text formatting option on the posted text for better readability:
image

14 
* Ustawianie /usr/lib/sysctl.d/10-manjaro.conf ...
fs.inotify.max_user_instances = 1024
fs.inotify.max_user_watches = 524288
* Ustawianie /usr/lib/sysctl.d/50-coredump.conf ...
kernel.core_pattern = |/usr/lib/systemd/systemd-coredump %P %u %g %s %t %c %h
kernel.core_pipe_limit = 16
fs.suid_dumpable = 2
* Ustawianie /usr/lib/sysctl.d/50-default.conf ...
kernel.sysrq = 16
kernel.core_uses_pid = 1
net.ipv4.conf.default.rp_filter = 2
sysctl: ustawianie klucza "net.ipv4.conf.all.rp_filter": Zły argument
net.ipv4.conf.default.accept_source_route = 0
sysctl: ustawianie klucza "net.ipv4.conf.all.accept_source_route": Zły argument
net.ipv4.conf.default.promote_secondaries = 1
sysctl: ustawianie klucza "net.ipv4.conf.all.promote_secondaries": Zły argument
net.ipv4.ping_group_range = 0 2147483647
net.core.default_qdisc = fq_codel
fs.protected_hardlinks = 1
fs.protected_symlinks = 1
fs.protected_regular = 1
fs.protected_fifos = 1
* Ustawianie /usr/lib/sysctl.d/50-pid-max.conf ...
kernel.pid_max = 4194304
* Ustawianie /etc/sysctl.d/99-i916psp.conf ...
dev.i915.perf_stream_paranoid = 0