[Bug 207068] hwpmc wrap around/sign extension

bugzilla-noreply at freebsd.org bugzilla-noreply at freebsd.org
Wed Feb 10 20:03:15 UTC 2016


--- Comment #4 from Konstantin Belousov <kib at FreeBSD.org> ---
(In reply to joss.upton from comment #3)
Could you please provide exact recipe to reproduce the overflow panic ?

I tried e.g. pmcstat -P CPU_CLK_UNHALTED_CORE <some looping binary> on
sandybridge and was unable to panic stock HEAD kernel.

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