My system produced a kernel WARNING involving a traceback with "read_measured_perf_ctrs"

Issue

Red Hat Enterprise Linux 6.x gives a WARNING with a traceback involving read_measured_perf_ctrs when the installed system is booted:

WARNING:  at  /builddir/build/BUILD/kernel-2.6.32-122.el6/linux-2.6.32-122.el6.x86_64/arch/x86/include/asm/processor.h:993  read_measured_perf_ctrs+0x78/0x90 acpi_cpufreq (Tainted: G         W  ----------------  )
Hardware name: redacted
Modules linked  in: cpufreq_ondemand acpi_cpufreq freq_table ipv6 dm_mirror  dm_region_hash dm_log microcode i2c_i801 i2c_core serio_raw iTCO_wdt   iTCO_vendor_support ioatdma i7core_edac edac_core igb ixgbe dca mdio sg  ext4 mbcache jbd2 sd_mod crc_t10dif ahci mptsas mptscsih mptbase  scsi_transport_sas dm_mod [last unloaded: scsi_wait_scan]
Pid: 1407, comm: kondemand/1 Tainted: G        W  ----------------   2.6.32-122.el6.x86_64 #1
Call Trace:
[] ? warn_slowpath_common+0x87/0xc0
[] ? warn_slowpath_null+0x1a/0x20
[] ? read_measured_perf_ctrs+0x78/0x90 [acpi_cpufreq]
[] ? read_measured_perf_ctrs+0x0/0x90 [acpi_cpufreq]
[] ? smp_call_function_single+0x90/0x160
[] ? kobject_get+0x1a/0x30
[] ? get_measured_perf+0x2c/0xa0 [acpi_cpufreq]
[] ? __cpufreq_driver_getavg+0x78/0x80
[] ? do_dbs_timer+0xf1/0x384 [cpufreq_ondemand]
[] ? do_dbs_timer+0x0/0x384 [cpufreq_ondemand]
[] ? worker_thread+0x170/0x2a0
[] ? autoremove_wake_function+0x0/0x40
[] ? worker_thread+0x0/0x2a0
[] ? kthread+0x96/0xa0
[] ? child_rip+0xa/0x20
[] ? kthread+0x0/0xa0
[] ? child_rip+0x0/0x20
---[ end trace 319f55649a74e8ed ]---