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Cc: freebsd-hackers@freebsd.org
Subject: Re: minidump: a hack to prevent vm_page_dump bitmap change during
 dumping
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Matthew Jacob <mj@feral.com> wrote:

> ... IMO, the best thing to do is to when 
> you're panicing stop all other CPUs.

which is fine _if_ the system is healthy enough to do it.
If it's unhealthy enough to be panicing, it may not be
healthy enough to be doing IPC operations.