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-   -   “lib/systemd/systemd-journald” using excessive amount of CPU (https://www.linuxquestions.org/questions/linux-newbie-8/%93lib-systemd-systemd-journald%94-using-excessive-amount-of-cpu-4175612976/)

n00bster5000 08-31-2017 06:32 AM

“lib/systemd/systemd-journald” using excessive amount of CPU
 
Yesterday I installed Ubuntu 16.04 LTS on my laptop, and I noticed that the process “lib/systemd/systemd-journald” is using 30-60% of my CPU. I don't know where the problem is. Can anyone please help?

MadeInGermany 08-31-2017 07:09 AM

Any frequent messages?
Code:

jounalctl -f

n00bster5000 08-31-2017 07:31 AM

This comes up A LOT!


Code:

Aug 31 14:28:15 <mycomputername> kernel: pcieport 0000:00:1c.5: can't find device of ID00e5
Aug 31 14:28:15 <mycomputername> kernel: pcieport 0000:00:1c.5: AER: Corrected error received: id=00e5
Aug 31 14:28:15 <mycomputername> kernel: pcieport 0000:00:1c.5: PCIe Bus Error: severity=Corrected, type=Physical Layer, id=00e5(Receiver ID)
Aug 31 14:28:15 <mycomputername> kernel: pcieport 0000:00:1c.5:  device [8086:9d15] error status/mask=00000001/00002000
Aug 31 14:28:15 <mycomputername> kernel: pcieport 0000:00:1c.5:    [ 0] Receiver Error        (First)
Aug 31 14:28:15 <mycomputername> kernel: pcieport 0000:00:1c.5: AER: Corrected error received: id=00e5
Aug 31 14:28:15 <mycomputername> kernel: pcieport 0000:00:1c.5: can't find device of ID00e5
Aug 31 14:28:15 <mycomputername> kernel: pcieport 0000:00:1c.5: AER: Corrected error received: id=00e5
Aug 31 14:28:15 <mycomputername> kernel: pcieport 0000:00:1c.5: PCIe Bus Error: severity=Corrected, type=Physical Layer, id=00e5(Receiver ID)
Aug 31 14:28:15 <mycomputername> kernel: pcieport 0000:00:1c.5:  device [8086:9d15] error status/mask=00000001/00002000
Aug 31 14:28:15 <mycomputername> kernel: pcieport 0000:00:1c.5:    [ 0] Receiver Error        (First)


MadeInGermany 09-01-2017 02:29 AM

Googling the AER error suggests it might be a bug in the kernel with certain (wifi) hardware. Workaround: add a boot parameter pci=noaer

n00bster5000 09-01-2017 03:23 AM

I used the solution provided on StackOverflow (here), and it worked. Thanks for your first comment. It helped a lot.

The issue is solved.


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