Cyclic lag on Ubuntu 20.04 Intel® Celeron(R) CPU N3350

Asked by Isleif Otero Garcia on 2020-05-17

Cyclic lag of a second or so about 3 seconds on without interruption. It affects keyboard input, stick repeated register of entry and reaction, video rendering, but not audio, very annoing as I read it needs to change kernel for an older one. How it can be so drastic solution. Help please.
My system reported: Mesa Intel® HD Graphics 500 (APL 2) on an HP-14-bs1xx Laptop.

Thanks

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Last query:
2020-05-19
Last reply:
2020-06-03

If you run:

dmesg | tail

After it ha happens, does it give clues?

Isleif Otero Garcia (isleif) said : #2

dmesg | tail
[ 960.153136] audit: type=1107 audit(1589781366.040:6018): pid=620 uid=103 auid=4294967295 ses=4294967295 msg='apparmor="DENIED" operation="dbus_signal" bus="system" path="/org/freedesktop/UPower" interface="org.freedesktop.UPower" member="DeviceRemoved" name=":1.40" mask="receive" pid=14049 label="snap.chromium.chromium" peer_pid=2090 peer_label="unconfined"
                exe="/usr/bin/dbus-daemon" sauid=103 hostname=? addr=? terminal=?'
[ 1233.575295] perf: interrupt took too long (4965 > 4957), lowering kernel.perf_event_max_sample_rate to 40250
[ 1261.764369] audit: type=1107 audit(1589781667.639:6019): pid=620 uid=103 auid=4294967295 ses=4294967295 msg='apparmor="DENIED" operation="dbus_signal" bus="system" path="/org/freedesktop/UPower" interface="org.freedesktop.UPower" member="DeviceAdded" name=":1.40" mask="receive" pid=14049 label="snap.chromium.chromium" peer_pid=2090 peer_label="unconfined"
                exe="/usr/bin/dbus-daemon" sauid=103 hostname=? addr=? terminal=?'
[ 1262.487906] input: BluetoothMouse3600 Mouse as /devices/virtual/misc/uhid/0005:045E:0916.0003/input/input22
[ 1262.490303] input: BluetoothMouse3600 Consumer Control as /devices/virtual/misc/uhid/0005:045E:0916.0003/input/input23
[ 1262.490437] hid-generic 0005:045E:0916.0003: input,hidraw0: BLUETOOTH HID v1.10 Mouse [BluetoothMouse3600] on 60:f6:77:9a:15:d6
[ 1674.709379] perf: interrupt took too long (6215 > 6206), lowering kernel.perf_event_max_sample_rate to 32000
[ 3797.578595] perf: interrupt took too long (7772 > 7768), lowering kernel.perf_event_max_sample_rate to 25500

Isleif Otero Garcia (isleif) said : #3

uname -a
Linux HP-14-bs1 5.4.0-31-generic #35-Ubuntu SMP Thu May 7 20:20:34 UTC 2020 x86_64 x86_64 x86_64 GNU/Linux

Today I got my kernel updated but I noticed the system started ok, but the behaviour came back a couple of seconds.

I installed Ununtu 20.04 to another sistem before; a Dell Inspiron 11-3168 2 in 1 laptop and the computer behaved the same way. After installing another distro (openSUSE Leap 15.1) the machine works ok. That ruled out a hardware issue.

Launchpad Janitor (janitor) said : #4

This question was expired because it remained in the 'Open' state without activity for the last 15 days.