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

Hunt, David david.hunt at intel.com
Wed May 27 10:21:37 CEST 2020


On 27/5/2020 7:10 AM, oulijun wrote:
>
>
> 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
>>
>> .
>>
>

I'm on an x86 system.

Rgds,
Dave.



More information about the dev mailing list