[dpdk-dev] 【BUG REPORT】l3fwd-power can not exit by ctrl+c
oulijun
oulijun at huawei.com
Wed May 27 08:10:00 CEST 2020
在 2020/5/26 16:36, Hunt, David 写道:
> Hi Lijun,
>
> On 26/5/2020 4:50 AM, oulijun wrote:
>> Hi,
>> I have update the code into 20.05-rc2. However, the l3fwd-power
>> startup fail.
>>
>> [root at centos-C3 build]# l3fwd-power -w 0000:7d:00.1 -c 0xc000000 -n 4
>> -- -P -p 0x01 --config '(0,0,27)' --parse-ptype
>>
>
> --snip--
>
>> POWER: Attempting to initialise ACPI cpufreq power management...
>> POWER: Power management governor of lcore 26 has been set to user
>> space successfully
>> POWER: File not opened
>> POWER: Cannot get available frequencies of lcore 26
>> POWER: Attempting to initialise PSTAT power management...
>> POWER: Power management governor of lcore 26 has been set to
>> performance successfully
>> POWER: Error opening '/dev/cpu/26/msr': No such file or directory
>> POWER: Cannot init for setting frequency for lcore 26
>
>
> This was not happening in your previous logs, have you got the 'msr'
> kernel module loaded?
>
>> POWER: Attempting to initialise VM power management...
>> GUEST_CHANNEL: Opening channel
>> '/dev/virtio-ports/virtio.serial.port.poweragent.26' for lcore 26
>> GUEST_CHANNEL: Unable to to connect to
>> '/dev/virtio-ports/virtio.serial.port.poweragent.26' with error No
>> such file or directory
>
>
> I did not see any GUEST_CHANNEL notifications in the previous logs you
> provided, has your setup changed in any way?
>
> By the way, I can run the command you provided above (without the
> whitelist) without any errors on my system, and a single CTRL-C exits
> gracefully. I am not running in a VM.
>
> Rgds,
> Dave.
>
Is your hardware system x86? My system is arm64
>
> .
>
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