Messages in this thread | | | From | Arkadiusz Miśkiewicz <> | Subject | Re: intel_idle causing 3.0.8 system reboot (was: if nolapic not used then system reboots after loading first module (possibly first irq using module)) | Date | Sun, 13 Nov 2011 08:54:55 +0100 |
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On Sunday 13 of November 2011, Len Brown wrote: > > intel_idle.max_cstate=2 also makes the problem go away. > > Is the system running with BIOS SETUP defaults?
Tried also with "safe defaults (F8)" but that didn't help.
> Are there any BIOS SETUP options related to CPU idle states?
Yes, there are
"C state package limit setting" with values possible: Auto, C1, C3, C6, C7 (set to "Auto" here) "Intel EIST technology" -> Enabled "C1E support" -> Enabled "Intel C-STATE tech" -> Enabled "C1 Auto Demotion" -> Enabled "C3 Auto Demotion" -> Enabled
> please boot with intel_idle.max_cstate=0 > and send the output of these two commands: > > dmesg |grep idle > grep . /sys/devices/system/cpu/cpu0/cpuidle/*/*
[root@berta ~]# dmesg |grep idle [ 0.000000] Command line: auto BOOT_IMAGE=pld3.0.8test ro root=812 console=tty0 console=ttyS2,38400n81 panic=60 selinux=0 intel_idle.max_cstate=0 [ 0.000000] Kernel command line: auto BOOT_IMAGE=pld3.0.8test ro root=812 console=tty0 console=ttyS2,38400n81 panic=60 selinux=0 intel_idle.max_cstate=0 [ 0.000000] RCU dyntick-idle grace-period acceleration is enabled. [ 0.278494] using mwait in idle threads. [ 4.330321] intel_idle: disabled [ 5.794456] cpuidle: using governor ladder [ 5.806755] cpuidle: using governor menu [root@berta ~]# LC_ALL=C grep . /sys/devices/system/cpu/cpu0/cpuidle/*/* grep: /sys/devices/system/cpu/cpu0/cpuidle/*/*: No such file or directory
There are only: [root@berta ~]# LC_ALL=C grep . /sys/devices/system/cpu/cpuidle/* /sys/devices/system/cpu/cpuidle/current_driver:none /sys/devices/system/cpu/cpuidle/current_governor_ro:menu
> > thanks, > Len Brown, Intel Open Source Technology Center > > >> # cat /proc/cpuinfo > >> processor : 0 > >> vendor_id : GenuineIntel > >> cpu family : 6 > >> model : 30 > >> model name : Intel(R) Xeon(R) CPU X3430 @ 2.40GHz > >> stepping : 5
-- Arkadiusz Miśkiewicz PLD/Linux Team arekm / maven.pl http://ftp.pld-linux.org/ -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
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