IPCF interrupt issue based on SDK BSP37&38 release on RDB3

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IPCF interrupt issue based on SDK BSP37&38 release on RDB3

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hittzt
Senior Contributor I

Hi,

 

Recently, when test IPCF feature, we found that, the ipc-shm-dev interrupt are still raising, after run the ipcf sample demo(single instance), and the number of interrupts are in rapid growth, like the attached log(ipcf-interrupt-issue-based-on-SDK-BSP37&38-on-RDB3.log) shows.


The issue comes out after SDK BSP37&38 releases, moreover, the related commits seems the following:

commit 2c269b3
Author: Hoang Nguyen Le <hoang.nguyenle@nxp.com>
Date: Thu Mar 16 06:44:45 2023 +0100

Correct irq configuration for hw of s32g3

- Restructure hw directory
- Update sample with specific configuration files

Issue: IPCF-2945

Signed-off-by: Hoang Nguyen Le <hoang.nguyenle@nxp.com>

 

Would you please help to check the issue and give a fix or workaround?

 

Thanks,

Zhantao

 

 

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Daniel-Aguirre
NXP TechSupport
NXP TechSupport

Hi,

Can you let us know which IPCF version are you using with BSP37.0/38.0?

Please, let us know.

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Yunguo
Contributor II

It's IPCF 4.8.

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Daniel-Aguirre
NXP TechSupport
NXP TechSupport

Hi,

Thanks for the notice. We are not seeing anything on regards of this behavior. Let us investigate and understand if there is an available workaround for this.

Just to understand from our side, is this happening on both S32G2 and S32G3? Or just under S32G3 chip?

Please, let us know.

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hittzt
Senior Contributor I

Hi @Daniel-Aguirre 

 

I just tested the IPCF on S32G2 EVB board, it hase the same issue as RDB3's.

So this issue seems no relationship with G3 or G2 version.

 

Thanks,

Zhantao

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hittzt
Senior Contributor I

Hi @Daniel-Aguirre 

 

We mainly tested the S32G3 board(RDB3), and I will test S32G2 board to check the status, but

I think there maybe same issue on S32G2, anyway, I will give the S32G2 result tomorrow.

 

Thanks,

Zhantao

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Daniel-Aguirre
NXP TechSupport
NXP TechSupport

Hi,

Thanks for your feedback. It has been confirmed to be a bug and the related team has been noticed.

We do apologize for the inconvenience.

Please, let us know.

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hittzt
Senior Contributor I

Hi @Daniel-Aguirre,

 

We notice that, there is a new v4.9 IPCF firmware released, and it helps to fix the interrupt issue. I tested IPCF feature with this v4.9 firmwares for both S32G2 and S32G3 boards, the interrupt counts of ipc-shm device are correct with these new firmwares, but there is a new issue, that the "ksoftirqd/0" will occupy 100.0 %CPU in "top".

It only happens when ipc-shm kos insmoded and the ping demos executed, if rmmod the ipc-shm kos, the ksoftirqd issue will disappear.

 

Would you please help to confirm the issue and find the root reason?

 

Thanks,

Zhantao

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Daniel-Aguirre
NXP TechSupport
NXP TechSupport

Hi,

We do apologize for the delay. We have received the following update from the internal team:

"This issue was reported near the release schedule of the last version of IPCF (IPCF 4.9.0). So there was no time to fix this issue on IPCF4.9.0."

We do apologize.

Please, let us know.

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hittzt
Senior Contributor I

Hi @Daniel-Aguirre 

 

OK, got it.

Thanks for your reply.

 

Regards,

Zhantao

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Daniel-Aguirre
NXP TechSupport
NXP TechSupport

Hi,

Thanks for your update. Let us verify this issue.

Once we have an update, we will let you know. We apologize for any delay from our side.

Please, let us know.

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