The problem of repluging wires of swp0 on ls1028ardb board.

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The problem of repluging wires of swp0 on ls1028ardb board.

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xinliwang
Contributor III

Hi, community

I'm using ls1028ardb board and have a question on qbv setting of swp0 port (I use it as single port mode).

Here is the problem, when I connect board with PC and set swp0 port ip to 192.168.2.232 and my PC ip is 192.168.2.156. I try to ping from board to pc and it goes well.

Then I run qbv command as blow:

qbv.txt:

t0 00000000b 1000000

t1 11111111b 1000000

tsntool qbvset --entryfile qbv.txt --device swp0 --basetime 0

And the board can still ping PC which has no frame dropped.

 

But the problem comes when I replug the wire connect between board to PC.

The  board lose the connection with pc and would no longer reach Destination Host

xinliwang_0-1687919089265.png

But if I change the qbv.txt from 

t0 00000000b 1000000

t1 11111111b 1000000

to

t0 11111111b 1000000

t1 00000000b 1000000

The proble would be solved.

Notice:

The problem is with the 5.15 kernel and I tryed 5.10 it will not has such problem

Only on swp0 port, the eno0 port doesn't have such problem

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yipingwang
NXP TechSupport
NXP TechSupport

Kernel version is the latest SDK is 6.1.1.

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yipingwang
NXP TechSupport
NXP TechSupport

Please use the latest Yocto SDK release which could be downloaded following this guide https://github.com/nxp-qoriq/yocto-sdk/blob/langdale/readme

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xinliwang
Contributor III

Hi @yipingwang 

Do you mean the problem is because the YOCTO SDK version?

BTW,I'm using yocto-real-time-edge v2.5 which seems different from nxp-qoriq/yocto-sdk.

Thank you 

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yipingwang
NXP TechSupport
NXP TechSupport

Kernel version is the latest SDK is 6.1.1.

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