http://defect.opensolaris.org/bz/show_bug.cgi?id=3301
Summary: Should check for HPET support before enabling Deep C-
States
Classification: Development
Product: power-mgmt
Version: unspecified
Platform: Other
OS/Version: Solaris
Status: NEW
Severity: minor
Priority: P3
Component: c-state
AssignedTo: bill.holler at sun.com
ReportedBy: bill.holler at sun.com
CC: tesla-dev at opensolaris.org
Estimated Hours: 0.0
Systems with LAPIC timers that stop in Deep C-State must verify the
HPET is supported before enabling Deep C-States.
A possible fix is to change deep_cstates_supported() in cpu_idle.c.
...
if (family == 0x6 && model == 0x1a && hpet.supported()) {
return (B_TRUE);
}
return (B_FALSE);
}
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