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

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Thu Jul 25 16:38:00 UTC 2019


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

Konstantin Belousov <kib at FreeBSD.org> changed:

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

--- Comment #15 from Konstantin Belousov <kib at FreeBSD.org> ---
(In reply to Mark Johnston from comment #13)
You usually can conclude which cpu was blocked by looking at smp_tlb_generation
and pcpu pc_smp_tlb_done.  I even added printint of pc_smp_tlb_done to show
pcpu to make this easier.

Also, what is the UNSET_TEXT panic ?  Can you show me the backtrace ?  Which
system version ?

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