Thomas Renninger wrote: > That sounds promising. Really? > Did you update your BIOS to the latest version? > If not, do that first. Yes I did, the last version is 2.00 http://www.asrock.com/MB/download.asp?Model=N68-S&o=BIOS > Are you sure you went through all BIOS configs? This are the values: Overclock mode: Auto (possible options: cpu,pcie sync / cpu,pcie async, optimized) cpu/ldt spread spectrum: disabled pcie spread spectrum: disabled boot fail guard: enabled (possible options: enabled/disabled) cool 'n' quiet: enabled (possible options: enabled/disabled/auto) secure virtual machine: enabled enhanced halt state: enabled (possible options: enabled/disabled) L3 cache allocation: bsp only (possible options: bsp only/all cores) multiplier/voltage change: auto memory clock: auto (possible options: auto/manual) flexibility option: disabled (possible options: enabled/disabled) memory controller mode: unganged (possible options: unganged/ganged) The following are set to auto: CAS latency, trcd, tpp, trtp, tras, trrd, trc, twr, twtr, ma timing, addr/cmd fine delay, cs/odt fine delay bank intervealing Alson on ACPI menu I have: acpi hpet table: enabled osc control: enabled > Eventually you upgraded the CPUs? The pc came with this board and this cpu, however in can't find my model in the cpu compatibility list: http://www.asrock.com/mb/cpu.asp?Model=N68-S&s=AM2 It is HDZ955FBGMBOX > > Best open a bug on https://bugzilla.kernel.org and assign it to the > cpufreq component and CC me. > Upload DSDT, SSDTs or best just acpidump which includes all. Do you still think I should open the bug? Regards -- To unsubscribe from this list: send the line "unsubscribe linux-acpi" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html