https://bugzilla.kernel.org/show_bug.cgi?id=16105
--- Comment #15 from Fabio Rossi <ross...@inwind.it> 2010-11-27 23:23:07 --- (In reply to comment #14) > As CONFIG_NO_HZ=n + CONFIG_INTEL_IDLE=y + nolapic_timer works, > and CONFIG_NO_HZ=y + CONFIG_INTEL_IDLE=y works, > it seems that the failure may be specific > to LAPIC timer one-shot mode. Any hint to debug this? > This means that you have no C-states when running in ACPI mode. > Please double check that they are not disabled in BIOS SETUP, > please double check what the default BIOS setting for this is. > If you can enable them, give that a go and see if we can get > the grep . /sys/devices/system/cpu/cpu0/cpuidle/*/* > for acpi_idle. ok, I had disabled Intel C-states in the BIOS. Here is the result: /sys/devices/system/cpu/cpuidle/current_driver:acpi_idle /sys/devices/system/cpu/cpuidle/current_governor_ro:ladder /sys/devices/system/cpu/cpu0/cpuidle/state0/desc:CPUIDLE CORE POLL IDLE /sys/devices/system/cpu/cpu0/cpuidle/state0/latency:0 /sys/devices/system/cpu/cpu0/cpuidle/state0/name:C0 /sys/devices/system/cpu/cpu0/cpuidle/state0/power:4294967295 /sys/devices/system/cpu/cpu0/cpuidle/state0/time:0 /sys/devices/system/cpu/cpu0/cpuidle/state0/usage:0 /sys/devices/system/cpu/cpu0/cpuidle/state1/desc:ACPI FFH INTEL MWAIT 0x0 /sys/devices/system/cpu/cpu0/cpuidle/state1/latency:1 /sys/devices/system/cpu/cpu0/cpuidle/state1/name:C1 /sys/devices/system/cpu/cpu0/cpuidle/state1/power:4294967294 /sys/devices/system/cpu/cpu0/cpuidle/state1/time:10068558 /sys/devices/system/cpu/cpu0/cpuidle/state1/usage:41999 /sys/devices/system/cpu/cpu0/cpuidle/state2/desc:ACPI FFH INTEL MWAIT 0x10 /sys/devices/system/cpu/cpu0/cpuidle/state2/latency:17 /sys/devices/system/cpu/cpu0/cpuidle/state2/name:C2 /sys/devices/system/cpu/cpu0/cpuidle/state2/power:4294967293 /sys/devices/system/cpu/cpu0/cpuidle/state2/time:74892494 /sys/devices/system/cpu/cpu0/cpuidle/state2/usage:157805 /sys/devices/system/cpu/cpu0/cpuidle/state3/desc:ACPI FFH INTEL MWAIT 0x20 /sys/devices/system/cpu/cpu0/cpuidle/state3/latency:17 /sys/devices/system/cpu/cpu0/cpuidle/state3/name:C3 /sys/devices/system/cpu/cpu0/cpuidle/state3/power:4294967292 /sys/devices/system/cpu/cpu0/cpuidle/state3/time:5229991003 /sys/devices/system/cpu/cpu0/cpuidle/state3/usage:2348180 > please attach the output from acpidump attached > please boot the failing config with > intel_idle.max_cstate=1 > and then reboot, increasing the '1' > and report the lowest number where the failure comes back. the lowest number reproducing the problem is 2 -- Configure bugmail: https://bugzilla.kernel.org/userprefs.cgi?tab=email ------- You are receiving this mail because: ------- You are on the CC list for the bug. ------------------------------------------------------------------------------ Increase Visibility of Your 3D Game App & Earn a Chance To Win $500! Tap into the largest installed PC base & get more eyes on your game by optimizing for Intel(R) Graphics Technology. Get started today with the Intel(R) Software Partner Program. Five $500 cash prizes are up for grabs. http://p.sf.net/sfu/intelisp-dev2dev _______________________________________________ acpi-bugzilla mailing list acpi-bugzilla@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/acpi-bugzilla
