svn commit: r225794 - head/sys/kern

Attilio Rao attilio at freebsd.org
Tue Sep 27 13:44:07 UTC 2011


2011/9/27 Attilio Rao <attilio at freebsd.org>:
> Author: attilio
> Date: Tue Sep 27 13:42:11 2011
> New Revision: 225794
> URL: http://svn.freebsd.org/changeset/base/225794
>
> Log:
>  Revert r225372:
>  wdog_kern_pat() acquires eventhandler mutex, thus it cannot work in
>  kernel context (from where kdb_trap() runs).
>
>  The right way to fix this is both offering the
>  cpu-stop-on-panic-and-skip-locking logic and also a context for KDB
>  to officially run. We can re-enable this (or a similar) improvement
>  when these 2 patches hit the tree.
>
>  Sponsored by: Sandvine Incorporated
>  Discussed with:       emaste, rstone
>  MFC after:    immediately

Forgot to mention:
Reported by: pho

Attilio


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