Author: mav
Date: Wed Sep 22 11:32:22 2010
New Revision: 212997
URL: http://svn.freebsd.org/changeset/base/212997
Log:
Quick fix for unmotivated C2 state usage during boot, introduced at r212541.
That caused LAPIC timer failure and huge delays during boot on some systems.
Modified:
head/sys/dev/acpica/acpi_cpu.c
Modified: head/sys/dev/acpica/acpi_cpu.c
==============================================================================
--- head/sys/dev/acpica/acpi_cpu.c Wed Sep 22 10:55:33 2010
(r212996)
+++ head/sys/dev/acpica/acpi_cpu.c Wed Sep 22 11:32:22 2010
(r212997)
@@ -894,7 +894,7 @@ acpi_cpu_idle()
cx_next_idx = 0;
#ifndef __ia64__
if (cpu_disable_deep_sleep)
- i = sc->cpu_non_c3;
+ i = min(sc->cpu_cx_lowest, sc->cpu_non_c3);
else
#endif
i = sc->cpu_cx_lowest;
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