El mié., 12 ago. 2020 a las 17:17, Przemek Klosowski via devel (<
devel@lists.fedoraproject.org>) escribió:
> On 8/12/20 2:27 PM, Sergio Belkin wrote:
> > Hi!
> > I 've just had a problem using EarlyOOM + ZRAM. I haven't a disk-based
> > swap partition.
> > I was using mainly Zoom (desktop app) + Firefox + VirtualBox (Debian
> > with 4GB of RAM), and EarlyOOM killed Zoom in the middle of a call :(
>
> This is weird---your swap was 100% full, and ram almost full, and yet
> killing 4GB VirtualBox didn't seem to free up memory. I suspect some
> sort of measurement or reporting error---if these numbers were accurate,
> EarlyOOM did have a reason to panic and kill zoom. BTW, zoom taking 721
> MiB is crazy.
>
> One possibility that comes to mind is that there's a process not
> mentioned in the log (some system process???) that keeps allocating
> memory as soon as it is freed by EarlyOOM, so killing the processes does
> not result in increasing free memory (the first column).
>
> 399 of 15887 MiB ( 2.51%) SIGTERM "Web Content": badness 315, VmRSS 313 MiB
> 397 of 15887 MiB ( 2.50%) SIGTERM "Web Content": badness 304, VmRSS 80 MiB
> 379 of 15887 MiB ( 2.39%) SIGTERM "Web Content": badness 303, VmRSS 74 MiB
> 335 of 15887 MiB ( 2.11%) SIGTERM "Web Content": badness 303, VmRSS 70 MiB
> 315 of 15887 MiB ( 1.98%) SIGTERM "Web Content": badness 301, VmRSS 27 MiB
> 288 of 15887 MiB ( 1.81%) SIGTERM "VirtualBoxVM":badness 212, VmRSS 4244
> MiB
> 337 of 15887 MiB ( 2.13%) SIGTERM "zoom": badness 36, VmRSS 721 MiB
>
> Note how the full log helpfully mentions the actual tresholds for
> SIGTERM: mem 2.52%, swap 10%, Where does 2.52 come from, pray?
> _______________________________________________
>
The only that I've found in logs is the infamous akonadi :) and
sysstat-collect... earlyoom
More information:
systemctl status --no-pager --full earlyoom.service
● earlyoom.service - Early OOM Daemon
Loaded: loaded (/usr/lib/systemd/system/earlyoom.service; enabled;
vendor preset: disabled)
Active: active (running) since Thu 2020-07-30 15:36:11 -03; 1 weeks 6
days ago
Docs: man:earlyoom(1)
https://github.com/rfjakob/earlyoom
Main PID: 888 (earlyoom)
Tasks: 1 (limit: 10)
Memory: 1.8M (max: 50.0M)
CPU: 1min 48.708s
CGroup: /system.slice/earlyoom.service
└─888 /usr/bin/earlyoom -r 0 -m 4 -M 409600 --prefer ^Web
Content$ --avoid
^(dnf|packagekitd|gnome-shell|gnome-session-c|gnome-session-b|lightdm|sddm|sddm-helper|gdm|gdm-wayland-ses|gdm-session-wor|gdm-x-session|Xorg|Xwayland|systemd|systemd-logind|dbus-daemon|dbus-broker|cinnamon|cinnamon-sessio|kwin_x11|kwin_wayland|plasmashell|ksmserver|plasma_session|startplasma-way|xfce4-session|mate-session|marco|lxqt-session|openbox)$
ago 12 10:20:14 dublin.ireland.home earlyoom[888]: sending SIGTERM to
process 1899907 uid 1000 "Web Content": badness 301, VmRSS 27 MiB
ago 12 10:20:24 dublin.ireland.home earlyoom[888]: kill failed: Timer
expired
ago 12 10:20:24 dublin.ireland.home earlyoom[888]: mem avail: 288 of
15887 MiB ( 1.81%), swap free: 0 of 4095 MiB ( 0.00%)
ago 12 10:20:24 dublin.ireland.home earlyoom[888]: low memory! at or below
SIGTERM limits: mem 2.52%, swap 10.00%
ago 12 10:20:24 dublin.ireland.home earlyoom[888]: sending SIGTERM to
process 1898928 uid 1000 "VirtualBoxVM": badness 212, VmRSS 4244 MiB
ago 12 10:20:24 dublin.ireland.home earlyoom[888]: process exited after 0.0
seconds
ago 12 10:20:24 dublin.ireland.home earlyoom[888]: mem avail: 337 of
15887 MiB ( 2.13%), swap free: 0 of 4095 MiB ( 0.00%)
ago 12 10:20:24 dublin.ireland.home earlyoom[888]: low memory! at or below
SIGTERM limits: mem 2.52%, swap 10.00%
ago 12 10:20:24 dublin.ireland.home earlyoom[888]: sending SIGTERM to
process 1898342 uid 1000 "zoom": badness 36, VmRSS 721 MiB
ago 12 10:20:24 dublin.ireland.home earlyoom[888]: process exited after 0.0
seconds
--
--
Sergio Belkin
LPIC-2 Certified - http://www.lpi.org
_______________________________________________
devel mailing list -- devel@lists.fedoraproject.org
To unsubscribe send an email to devel-le...@lists.fedoraproject.org
Fedora Code of Conduct:
https://docs.fedoraproject.org/en-US/project/code-of-conduct/
List Guidelines: https://fedoraproject.org/wiki/Mailing_list_guidelines
List Archives:
https://lists.fedoraproject.org/archives/list/devel@lists.fedoraproject.org
