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From: oulijun <oulijun@huawei.com>
To: David Marchand <david.marchand@redhat.com>
Cc: Van Haaren Harry <harry.van.haaren@intel.com>, dev <dev@dpdk.org>,
	"Burakov, Anatoly" <anatoly.burakov@intel.com>,
	David Hunt <david.hunt@intel.com>,
	"Pattan, Reshma" <reshma.pattan@intel.com>
Subject: Re: [dpdk-dev] 【BUG REPORT】l3fwd-power can not exit by ctrl+c
Date: Wed, 20 May 2020 16:41:33 +0800
Message-ID: <43c93985-27c3-354f-fc5d-749dd21b34a7@huawei.com> (raw)
In-Reply-To: <CAJFAV8ypMk83bFr==5B8+y6q-2fhurjK2ZPx10vvr_i6BV=_gA@mail.gmail.com>



在 2020/5/20 15:22, David Marchand 写道:
> Hello,
> 
> On Wed, May 20, 2020 at 5:18 AM oulijun <oulijun@huawei.com> wrote:
>>      I am using 20.05-rc2 version to test based on HNS3 NIC hardware, and
>> found that after starting l3fwd-power,
>>
>> using ctrl+c cannot force quit. But I revert the patch(33666b4 service:
>> fix crash on exit) and it is ok.
> 
> We had a fix in rc1 that is supposed to fix this.
> https://git.dpdk.org/dpdk/commit?id=613ce6691c0d5ac0f99d7995f1e8e4ac86643882
> 
> Copying Anatoly and David H. too.
> 
> 
>>
>> the log as follows:
>>
>> Initializing rx queues on lcore 26 ...
>> Initializing rx queues on lcore 27 ... rxq=0,0,0 Port 0: softly parse
>> packet type info
>>
>>
>> Checking link status...............0000:7d:00.1
>> hns3_update_link_status(): Link status change to up!
>> done
>> Port 0 Link Up - speed 25000 Mbps - full-duplex
>> L3FWD_POWER: entering main loop on lcore 27
>> L3FWD_POWER:  -- lcoreid=27 portid=0 rxqueueid=0
>> L3FWD_POWER: lcore 26 has nothing to do
>> L3FWD_POWER: lcore 27 sleeps until interrupt triggers
>> L3FWD_POWER: lcore 27 is waked up from rx interrupt on port 0 queue 0
>> L3FWD_POWER: lcore 27 sleeps until interrupt triggers
>> L3FWD_POWER: lcore 27 is waked up from rx interrupt on port 0 queue 0
>> L3FWD_POWER: lcore 27 sleeps until interrupt triggers
>> L3FWD_POWER: lcore 27 is waked up from rx interrupt on port 0 queue 0
>> L3FWD_POWER: lcore 27 sleeps until interrupt triggers
>> L3FWD_POWER: lcore 27 is waked up from rx interrupt on port 0 queue 0
>> L3FWD_POWER: lcore 27 sleeps until interrupt triggers
>> L3FWD_POWER: lcore 27 is waked up from rx interrupt on port 0 queue 0
>> L3FWD_POWER: lcore 27 sleeps until interrupt triggers
>> L3FWD_POWER: lcore 27 is waked up from rx interrupt on port 0 queue 0
>> L3FWD_POWER: lcore 27 sleeps until interrupt triggers
>> L3FWD_POWER: lcore 27 is waked up from rx interrupt on port 0 queue 0
>> L3FWD_POWER: lcore 27 sleeps until interrupt triggers
>> L3FWD_POWER: lcore 27 is waked up from rx interrupt on port 0 queue 0
>> L3FWD_POWER: lcore 27 sleeps until interrupt triggers
>> L3FWD_POWER: lcore 27 is waked up from rx interrupt on port 0 queue 0
>> L3FWD_POWER: lcore 27 sleeps until interrupt triggers
>> L3FWD_POWER: lcore 27 is waked up from rx interrupt on port 0 queue 0
>> L3FWD_POWER: lcore 27 sleeps until interrupt triggers
>> L3FWD_POWER: lcore 27 is waked up from rx interrupt on port 0 queue 0
>> L3FWD_POWER: lcore 27 sleeps until interrupt triggers
>> ^CPOWER: Power management governor of lcore 26 has been set back to
>> successfully
>> POWER: Power management of lcore 26 has exited from 'userspace' mode and
>> been set back to the original
>> POWER: Power management governor of lcore 27 has been set back to
>> successfully
>> POWER: Power management of lcore 27 has exited from 'userspace' mode and
>> been set back to the original
>> 0000:7d:00.1 hns3_dev_close(): Close port 0 finished
>> User forced exit
>> [root@centos-C3 build]#
> 
> So I understand those traces are for when it works.
> 
> What about the traces when it does not work?
> Can you get a backtrace to know where the process is stuck?
I think that it is entered the rte_exit and can not eixt
> 
> 
> Thanks for reporting.
> 
the log as follows when it not works:
L3FWD_POWER: lcore 27 sleeps until interrupt triggers
^CPOWER: Power management governor of lcore 26 has been set back to 
successfully
POWER: Power management of lcore 26 has exited from 'userspace' mode and 
been set back to the original
POWER: Power management governor of lcore 27 has been set back to 
successfully
POWER: Power management of lcore 27 has exited from 'userspace' mode and 
been set back to the original
0000:7d:00.1 hns3_dev_close(): Close port 0 finished
User forced exit




it can not exit and enter the shell window.

Thanks


  reply	other threads:[~2020-05-20  8:42 UTC|newest]

Thread overview: 19+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2020-05-20  3:18 oulijun
2020-05-20  7:22 ` David Marchand
2020-05-20  8:41   ` oulijun [this message]
2020-05-20  8:49     ` David Marchand
2020-05-20 11:37     ` Burakov, Anatoly
2020-05-22  8:17   ` oulijun
2020-05-22  9:00     ` Burakov, Anatoly
2020-05-22  9:02     ` Hunt, David
2020-05-26  3:50       ` oulijun
2020-05-26  8:36         ` Hunt, David
2020-05-26  9:11           ` oulijun
2020-05-27  6:10           ` oulijun
2020-05-27  8:21             ` Hunt, David
2020-05-26  9:24         ` Burakov, Anatoly
2020-05-27  6:04           ` oulijun
2020-05-27  8:57             ` Burakov, Anatoly
2020-05-20  9:45 ` Burakov, Anatoly
2020-05-21  1:26   ` oulijun
2020-05-21 10:46     ` Burakov, Anatoly

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