[Bug 239351] [panic] spin lock held too long under heavy load (net/wireguard affected)

bugzilla-noreply at freebsd.org bugzilla-noreply at freebsd.org
Wed Jul 24 13:46:51 UTC 2019


https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=239351

Mark Johnston <markj at FreeBSD.org> changed:

           What    |Removed                     |Added
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                 CC|                            |markj at FreeBSD.org

--- Comment #5 from Mark Johnston <markj at FreeBSD.org> ---
Created attachment 206036
  --> https://bugs.freebsd.org/bugzilla/attachment.cgi?id=206036&action=edit
proposed patch

This is a bit of a shot in the dark, but are you able to reproduce the problem
when the attached patch is applied to your kernel?  The bug it fixes will cause
a spinlock leak, so interrupts are left disabled in a running thread.  That can
trigger the "spinlock held too long" panic.

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