5.4-prerelease - hanging under load

Greg 'groggy' Lehey grog at FreeBSD.org
Sun Apr 3 22:10:03 PDT 2005

On Sunday,  3 April 2005 at 21:59:45 -0700, Nate Lawson wrote:
> Greg 'groggy' Lehey wrote:
>> On Sunday,  3 April 2005 at 21:43:57 -0700, Nate Lawson wrote:
>>> Greg 'groggy' Lehey wrote:
>>>> I'm experiencing similar issues.  How can I confirm that this is the
>>>> case without rebooting the machine (which would be inconvenient)?  Is
>>>> there some sysctl that tells me?  I've taken a look, but I don't see
>>>> anything obvious.
>>> sysctl dev.cpu and look at the current frequency setting.
>> There's nothing there that reaches out and grabs me:
>>  dev.cpu.0.%desc: ACPI CPU
>>  dev.cpu.0.%driver: cpu
>>  dev.cpu.0.%location: handle=\_PR_.CPU0
>>  dev.cpu.0.%pnpinfo: _HID=none _UID=0
>>  dev.cpu.0.%parent: acpi0
> Not it.  You have no acpi_throttle support, thus cpufreq is a no-op on
> your system.

OK, so it's a different issue that I have?  Or does the lack of
acpi_throttle support automatically cause a problem?

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