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pumpkin
Explorer
Explorer
8,289 Views
Registered: ‎06-22-2011

PCIe hardcore jammed?

Hi all,

 

I'm using V7 PCIe hardcore, and I have a bus master design to transmit data through RQ interface to host memory.

After running for several seconds ( several Gig bytes transfered ), the PCIe device disappeared in Windows Device Manager. Even after hot reboot the PC ( without re-configure FPGA ) , the device still couldn't be found. It looks like the hardcore is jammed.

 

What is the probable cause of this problem?

 

regards

 

Xiang Chao

 

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kotir
Scholar
Scholar
8,268 Views
Registered: ‎02-03-2010

Hi,

 

Check if there is any error happend line fatal error where the behaviour of system can not be predicted.

Try to trigger on link loss signal (or cfg_err interface) and capture the packets sent/received. Check for any issue.

 

 

Regards,

KR

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