[Bug 253687] [hwpmc] kernel panic when listing available hardware performance counters

From: <bugzilla-noreply_at_freebsd.org>
Date: Thu, 01 Jul 2021 14:58:29 UTC

--- Comment #5 from Mitchell Horne <mhorne@freebsd.org> ---
(In reply to Zhenlei Huang from comment #3)


I suspect hwpmc has some kind of misidentification or misconfiguration based on
the specific processor model. Could you provide the output of the following?

# sysctl kern.hwpmc.cpuid


# cpucontrol -i 0xA /dev/cpuctl0

You may need to kldload cpuctl for the latter. Thanks.

You are receiving this mail because:
You are the assignee for the bug.