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  1. Cockpit
  2. COCKPIT-1332

[cockpit-project/cockpit] cockpit-tls sporadically uses 100% CPU until getting force closed. Multiple connection attempts expand the issue to more CPU cores

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    • cockpit
    • 26Q1 - Jan 21

      [3285725978] Upstream Reporter: SSkeries
      Upstream issue status: Closed
      Upstream description:

      https://issues.redhat.com/browse/COCKPIT-1332

      Explain what happens

      As of now i haven't been able to identify how exactly it happens, but i have been experiencing this pretty much since setting up the system.

      At some point, either when already connected and switching between menu items or merely logging in the web interface will slow to a crawl, usually indicating that this specific issue has manifested.
      At this point one CPU core is pinned to 100% usage by cockpit-tls. If i then retry switching or refresh the browser, additional CPU cores shoot up to 100% until the system runs out of cores and becomes entirely unresponsive.
      At this point i have up until now resided to log in via SSH and kill the process, but of course that's merely a workaround.

      This is a fresh install of Fedora 42 Server, using podman rootless containers on an Intel N150 SoC with 16GB of RAM and a Samsung 980 500G. Installed cockpit extensions are Files, Machines, Networking, Podman, SELinux and Storage; installed via cockpit.

      I'll gladly provide logs, trace things and do config changes. Just point me in the right direction.

      Version of Cockpit

      343

      Where is the problem in Cockpit?

      Navigation & Shell

      Server operating system

      Fedora

      Server operating system version

      Fedora Server 42

      What browsers are you using?

      Firefox, Safari on iPhone

      System log


      Upstream URL: https://github.com/cockpit-project/cockpit/issues/22274

              mvollmer1@redhat.com Marius Vollmer
              upstream-sync Upstream Sync
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                Created:
                Updated:
                Resolved: