nach Update: GUI kurz nach dem Neustart nicht mehr erreichbar

@meyergru

Mit SSH komme ich auch auf das System und sehe auch einen stufenweisen Anstieg der CPU Last.

Screenshot 2024-11-12 210021.png

Update Kuma habe ich auch ausgeschaltet. Hat bei mir aber keine Abhilfe geschaffen.

 
Habe genau das selbe Problem, warte auf einen Fix bis dahin wird der PBS leider abgedreht
 
Habt ihr schon versucht den checkmk Check für TCP Port 8007 durch einen HTTP Verbindungscheck zu ersetzen? Oder die Checkzeitplanung zu erhönen (Standard ist ja oft alle fünf Sekunden, was ändert sich wenn man das auf eine Minute hoch dreht)?
 
1. In my case, I open a real HTTPS connection via Uptime Kuma, I left it on for all tests in order to cause the problem. I am quite sure that this is the culprit, because you can see the stepwise increase in load for each probe connection.

2. Even if the test is done only once per 5 minutes, the processes will hang. In my case, with 4 cores, it needed 4 * 5 minutes until the machine was saturated. You do not need an overwhelming number of probes to cause this, because each probe hogs one thread.

3. I always rebooted the PBS after any package install and whenever it hung. Probably killing the proxmox-backup-proxy process would eliminate the hang.

4. I had one VM instance that was being probed by uptime-kuma that did not lock up - in that case, there was an official ("real") certificate in place, such that I did not have to ignore TLS errors. Probably the problem has to do with an incomplete TLS negitation like it would also occur with a plain TCP probe.

5. I think one could fix the problem for now by:

Bash:
apt-get install proxmox-backup-server=3.2.7-1
apt-mark hold proxmox-backup-server
reboot

Later, when a version > 3.2.8-1 becomes available, you have to release the package again:

Bash:
apt-mark unhold proxmox-backup-server
 
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Hi @meyergru, you saved my skin man.

I had the same issues of you after upgrade couple PBS servers. From 5 servers, on two I had the same issues caused by 100% of CPU usage on all cores where the process "proxmox-backup-proxy" was running like crazy.

As soon I did the downgrade like you said and reboot, my issues gone and now I'm back to normal life.

Thank you so much my friend for share your tips. This was priceless, again, thank you!!!

 
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I have exactly the same problem, waiting for a fix until then the PBS will unfortunately be turned off
Follow the commands below as stated by @meyergru and you can back to use your PBS normally until Proxmox team releases a new version fixing the issue:

apt-get install proxmox-backup-server=3.2.7-1
apt-mark hold proxmox-backup-server
reboot

As soon a new fixed version is available and you want to upgrade, use this command to unhold updates for proxmox-backup-server package:

apt-mark unhold proxmox-backup-server

And then you will be able to run "apt update" and "apt dist-upgrade" later in the future again. It's what you should to do, do not keep your PBS down if there's a workaround to overcome that temporary issue.
 
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Follow the commands below as stated by @meyergru and you can back to use your PBS normally until Proxmox team releases a new version fixing the issue:

apt-get install proxmox-backup-server=3.2.7-1
apt-mark hold proxmox-backup-server
reboot

As soon a new fixed version is available and you want to upgrade, use this command to unhold updates for proxmox-backup-server package:

apt-mark unhold proxmox-backup-server

And then you will be able to run "apt update" and "apt dist-upgrade" later in the future again. It's what you should to do, do not keep your PBS down if there's a workaround to overcome that temporary issue.
Vielen Dank für die Anleitung, hat perfekt geklappt ... Danke
 
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Follow the commands below as stated by @meyergru and you can back to use your PBS normally until Proxmox team releases a new version fixing the issue:

apt-get install proxmox-backup-server=3.2.7-1
apt-mark hold proxmox-backup-server
reboot

As soon a new fixed version is available and you want to upgrade, use this command to unhold updates for proxmox-backup-server package:

apt-mark unhold proxmox-backup-server

And then you will be able to run "apt update" and "apt dist-upgrade" later in the future again. It's what you should to do, do not keep your PBS down if there's a workaround to overcome that temporary issue.
perfekt, danke schön :)
 
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Das Problem mit dem proxmox-backup-server Paket in der Version 3.2.9-1 wieder behoben sein.
Diese Version ist zurzeit im pbstest Repository verfügbar.
You’re right, it’s fixed on pbstest repository with the version 3.2.9-1. I just upgraded one of my affected servers and there’s no more problem. The CPU usage of proxmox-backup services are doing its job flawless and without any impact on the server’s performance.

Thank you so much for that heads up.
 
Yes, I can confirm this fixes it. I assume it is this patch: https://git.proxmox.com/?p=proxmox-...ff;h=b3675d867f98de58292fdedded4e866dfcb8dd33

For those of you that do not want to switch to pbstest, you can also follow these steps:

Code:
apt-mark unhold proxmox-backup-server
curl -o proxmox-backup-server_3.2.9-1_amd64.deb http://download.proxmox.com/debian/pbs/dists/bookworm/pbstest/binary-amd64/proxmox-backup-server_3.2.9-1_amd64.deb
dpkg -i proxmox-backup-server_3.2.9-1_amd64.deb
rm -f proxmox-backup-server_3.2.9-1_amd64.deb

The proxmox-backup-proxy will automatically be restarted, you do not need to reboot.

The first line is to release the hold on the package such that you will get updates later on.
 
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