05.04.2020 09:50, Andrei Borzenkov пишет:
05.04.2020 09:33, Marcus Meissner пишет:
On Sat, Apr 04, 2020 at 02:37:37PM +0200, Carlos E. R. wrote:
On 04/04/2020 14.22, Per Jessen wrote:
Carlos E. R. wrote:
For example, the other day I got:
cer@Telcontar:~> less /var/log/warn /usr/bin/lessopen.sh: fork: retry: Resource temporarily unavailable /usr/bin/lessopen.sh: fork: retry: Resource temporarily unavailable cer@Telcontar:~>
That is essentially the same in the coredumps you are seeing - unable to fork(), i.e. create a new process. I guess this could be memory or no more room for new processes, system wide on in a cgroup.
Have you got any custom settings that might affect that?
No.
The only processes for which I used cgroups are clamav and maybe spamd.
As I said, it was working ok till the update on April 1st.
This machine is new, installed about a month ago. Ryzen 5 and AMD graphics. 32 gigabytes of ram. System disk is nvme m2. The system was cloned from the old machine, and was working fine till that update.
systemd might have a default user task limit of around 512.
As was mentioned in another post in this thread it is limits.conf. I do not see systemd interfering with NPROC on Leap 15.
Are you using that many threads/tasks?
bor@bor-Latitude-E5450:~/src/linux$ ps -eL -u bor | wc -l 794 bor@bor-Latitude-E5450:~/src/linux$
Sorry, it should have been bor@bor-Latitude-E5450:~/src/linux$ ps -L -u bor | wc -l 554 bor@bor-Latitude-E5450:~/src/linux$ Still over 512 :) And for comparison bor@bor-Latitude-E5450:~/src/linux$ ps -u bor | wc -l 93 bor@bor-Latitude-E5450:~/src/linux$ Browsers appear to use a lot of threads. GNOME daemons started as part of DE are using several threads each and there are a lot of them. So the above limit is trivially exceeded on any vanilla user system.
That is with three terminals, one Chromium, one Firefox, one running QEMU, one Thunderbird and deluge. Browsers have couple of tabs open each. Nothing spectacular.
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