[Bug 266656] crash system with thunderbird

From: <bugzilla-noreply_at_freebsd.org>
Date: Tue, 27 Sep 2022 12:13:46 UTC

            Bug ID: 266656
           Summary: crash system with thunderbird
           Product: Base System
           Version: 13.1-RELEASE
          Hardware: amd64
                OS: Any
            Status: New
          Severity: Affects Only Me
          Priority: ---
         Component: kern
          Assignee: bugs@FreeBSD.org
          Reporter: gspurki@gmail.com

Somewhere on the "net" i read that those sysctl's are "good" for Desktop usage.

# cat /etc/stsctl.con


When i start Thunderbird (as a normal user) repeatedly after about ~3 times the
System makes a full Crash to UEFI, also startup of Thunderbird is really slow.

However when i just have "kern.sched.preempt_thresh=224" enabled i had no crash
until know, and Thunderbird is starting fast again.

Do i trigger a kernel-bug?

It is a production machine, so i have some problems making crash-dumps.

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