svn commit: r212964 - head/sys/kern

Andriy Gapon avg at freebsd.org
Thu Sep 23 14:49:02 UTC 2010


on 23/09/2010 16:53 John Baldwin said the following:
> minidumps have made the time issue less of a concern on large-memory systems 
> (full dumps do indeed take a long time on modern systems).  I think textdumps 
> are just as likely to fail as regular dumps though since they both use the 
> same code for writing out the dump, they just write different bits to the dump 
> area.

Well, minidumps are not always very small.
And there's still that issue of other CPUs still running during panic->dumping and
thus (mini-)dump maps getting changed (larger) after dump size calculations which
results in an aborted dump.

-- 
Andriy Gapon


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