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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