[dpdk-dev] 【BUG REPORT】l3fwd-power can not exit by ctrl+c

[oulijun]

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?
> 
Yes. But what I don't understand is that the dpdk version I use is 
different, and the kernel module is the same. the 20.05-rc0 is ok when 
startup and the 20.05-rc2 is not. I don't notice the msr module.
>> 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.
> 
I don't running vm. I want to test the 20.05-rc2 according to your 
advice. the kernel is the same.
> Rgds,
> Dave.
> 
> 
> .
>