El mié., 12 ago. 2020 a las 15:49, Samuel Sieb (<sam...@sieb.net>) escribió:

> On 8/12/20 11:27 AM, Sergio Belkin wrote:
> > 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 the log:
>
> The log of what?  Are there no timestamps?
>
> > mem avail:   399 of 15887 MiB ( 2.51%), swap free:    0 of 4095 MiB (
> 0.00%)
> > low memory! at or below SIGTERM limits: mem  2.52%, swap 10.00%
> > sending SIGTERM to process 1899361 uid 1000 "Web Content": badness 315,
> > VmRSS 313 MiB
> > process exited after 2.2 seconds
> > mem avail:   397 of 15887 MiB ( 2.50%), swap free:    0 of 4095 MiB (
> 0.00%)
> > low memory! at or below SIGTERM limits: mem  2.52%, swap 10.00%
> > sending SIGTERM to process 1899726 uid 1000 "Web Content": badness 304,
> > VmRSS 80 MiB
> > process exited after 3.7 seconds
> > mem avail:   379 of 15887 MiB ( 2.39%), swap free:    0 of 4095 MiB (
> 0.00%)
> > low memory! at or below SIGTERM limits: mem  2.52%, swap 10.00%
> > sending SIGTERM to process 1896099 uid 1000 "Web Content": badness 303,
> > VmRSS 74 MiB
> > process exited after 3.6 seconds
> > mem avail:   335 of 15887 MiB ( 2.11%), swap free:    0 of 4095 MiB (
> 0.00%)
> > low memory! at or below SIGTERM limits: mem  2.52%, swap 10.00%
> > sending SIGTERM to process 1899195 uid 1000 "Web Content": badness 303,
> > VmRSS 70 MiB
> > process exited after 3.6 seconds
> > mem avail:   315 of 15887 MiB ( 1.98%), swap free:    0 of 4095 MiB (
> 0.00%)
> > low memory! at or below SIGTERM limits: mem  2.52%, swap 10.00%
> > sending SIGTERM to process 1899907 uid 1000 "Web Content": badness 301,
> > VmRSS 27 MiB
> > kill failed: Timer expired
> > mem avail:   288 of 15887 MiB ( 1.81%), swap free:    0 of 4095 MiB (
> 0.00%)
> > low memory! at or below SIGTERM limits: mem  2.52%, swap 10.00%
> > sending SIGTERM to process 1898928 uid 1000 "VirtualBoxVM": badness 212,
> > VmRSS 4244 MiB
> > process exited after 0.0 seconds
> > mem avail:   337 of 15887 MiB ( 2.13%), swap free:    0 of 4095 MiB (
> 0.00%)
> > low memory! at or below SIGTERM limits: mem  2.52%, swap 10.00%
> > sending SIGTERM to process 1898342 uid 1000 "zoom": badness 36, VmRSS
> > 721 MiB
> > process exited after 0.0 seconds
>
> According to this, you were completely out of memory.  zoom was the last
> resort.  I wonder what was taking up the memory that even killing the VM
> didn't free up enough.
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It's the output of journalctl:
ago 12 10:01:01 dublin.ireland.home earlyoom[888]: mem avail:   399 of
15887 MiB ( 2.51%), swap free:    0 of 4095 MiB ( 0.00%)
ago 12 10:01:01 dublin.ireland.home earlyoom[888]: low memory! at or below
SIGTERM limits: mem  2.52%, swap 10.00%
ago 12 10:01:01 dublin.ireland.home earlyoom[888]: sending SIGTERM to
process 1899361 uid 1000 "Web Content": badness 315, VmRSS 313 MiB
ago 12 10:01:03 dublin.ireland.home earlyoom[888]: process exited after 2.2
seconds
ago 12 10:20:03 dublin.ireland.home earlyoom[888]: mem avail:   397 of
15887 MiB ( 2.50%), swap free:    0 of 4095 MiB ( 0.00%)
ago 12 10:20:03 dublin.ireland.home earlyoom[888]: low memory! at or below
SIGTERM limits: mem  2.52%, swap 10.00%
ago 12 10:20:03 dublin.ireland.home earlyoom[888]: sending SIGTERM to
process 1899726 uid 1000 "Web Content": badness 304, VmRSS 80 MiB
ago 12 10:20:07 dublin.ireland.home earlyoom[888]: process exited after 3.7
seconds
ago 12 10:20:07 dublin.ireland.home earlyoom[888]: mem avail:   379 of
15887 MiB ( 2.39%), swap free:    0 of 4095 MiB ( 0.00%)
ago 12 10:20:07 dublin.ireland.home earlyoom[888]: low memory! at or below
SIGTERM limits: mem  2.52%, swap 10.00%
ago 12 10:20:07 dublin.ireland.home earlyoom[888]: sending SIGTERM to
process 1896099 uid 1000 "Web Content": badness 303, VmRSS 74 MiB
ago 12 10:20:10 dublin.ireland.home earlyoom[888]: process exited after 3.6
seconds
ago 12 10:20:10 dublin.ireland.home earlyoom[888]: mem avail:   335 of
15887 MiB ( 2.11%), swap free:    0 of 4095 MiB ( 0.00%)
ago 12 10:20:10 dublin.ireland.home earlyoom[888]: low memory! at or below
SIGTERM limits: mem  2.52%, swap 10.00%
ago 12 10:20:10 dublin.ireland.home earlyoom[888]: sending SIGTERM to
process 1899195 uid 1000 "Web Content": badness 303, VmRSS 70 MiB
ago 12 10:20:14 dublin.ireland.home earlyoom[888]: process exited after 3.6
seconds
ago 12 10:20:14 dublin.ireland.home earlyoom[888]: mem avail:   315 of
15887 MiB ( 1.98%), swap free:    0 of 4095 MiB ( 0.00%)
ago 12 10:20:14 dublin.ireland.home earlyoom[888]: low memory! at or below
SIGTERM limits: mem  2.52%, swap 10.00%
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
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