Status changed to 'Confirmed' because the bug affects multiple users.
** Changed in: linux-meta (Ubuntu)
Status: New => Confirmed
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https://bugs.launchpad.net/bugs/1872856
Title:
whole system freezes frequently
Status in linux-meta package in Ubuntu:
Confirmed
Bug description:
version_signature -> Ubuntu 5.3.0-48.41-generic 5.3.18
uname-a -> Linux work 5.3.0-48-generic #41-Ubuntu SMP Fri Apr 10 06:59:18 UTC
2020 x86_64 x86_64 x86_64 GNU/Linux
dmesg and lspci logs attached.
$> lsb_release -rd
Description: Ubuntu 19.10
Release: 19.10
The problem is with the kernel versions 5.3.0-48-generic, 5.3.0-46-generic,
and 5.3.0-45-generic.
Kernel version 5.3.0-42-generic is working fine.
Steps to reproduce:
Download some Java project (say, https://github.com/yegor256/cactoos/)
Open this Java project in IntellijIdea community version
(https://www.jetbrains.com/idea/)
Type Ctrl+Shift+f (to search for all the files in a project)
This freezes the system for 7-8 seconds.
Similar behavior was seen when browsing firefox and or switching
windows (Alt+Tab). But not that easy to reproduce.
The problem does not occur when running heavy memory task (i.e.
stress-ng --vm-bytes $(awk '/MemAvailable/{printf "%d\n", $2 * 0.9;}'
< /proc/meminfo)k --vm-keep -m 1)
The problem does not occur when running heavy cpu task (i.e. sudo
stress-ng --cpu 8 --timeout 60 --metrics-brief)
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