AnsweredAssumed Answered

LS1023A_PCIE Problem

Question asked by zz zw on Jul 8, 2018
Latest reply on Sep 11, 2018 by Yiping Wang

Hi

 

I have some problems with the PCIE controller of ls1023a

We link the fpga of a pcie interface to the  ls1023(is x1 g1)

When the pcie bus runs for a period of time
the problem where the AER driver reports Completion Timeouts" for any PCI memory read access to a certain endpoint device:

 

 

[ 1200.937459] pcieport 0001:00:00.0: AER: Uncorrected (Non-Fatal) error received: id=0000
[ 1200.945559] pcieport 0001:00:00.0: PCIe Bus Error: severity=Uncorrected (Non-Fatal), type=Transaction Layer, id=0000(Requester ID)
[ 1200.957413] pcieport 0001:00:00.0: device [1957:808a] error status/mask=00004000/00400000
[ 1200.965759] pcieport 0001:00:00.0: [14] Completion Timeout (First)
[ 1200.972619] pcieport 0001:00:00.0: AER: Device recovery failed
[ 1200.981337] pcieport 0001:00:00.0: AER: Uncorrected (Non-Fatal) error received: id=0000
[ 1200.989444] pcieport 0001:00:00.0: PCIe Bus Error: severity=Uncorrected (Non-Fatal), type=Transaction Layer, id=0000(Requester ID)
[ 1201.001271] pcieport 0001:00:00.0: device [1957:808a] error status/mask=00004000/00400000
[ 1201.009616] pcieport 0001:00:00.0: [14] Completion Timeout (First)
[ 1201.020172] pcieport 0001:00:00.0: AER: Device recovery failed
[ 1201.053647] pcieport 0001:00:00.0: AER: Uncorrected (Non-Fatal) error received: id=0000
[ 1201.061737] pcieport 0001:00:00.0: PCIe Bus Error: severity=Uncorrected (Non-Fatal), type=Transaction Layer, id=0000(Requester ID)
[ 1201.073592] pcieport 0001:00:00.0: device [1957:808a] error status/mask=00004000/00400000
[ 1201.081937] pcieport 0001:00:00.0: [14] Completion Timeout (First)
[ 1201.088819] pcieport 0001:00:00.0: AER: Device recovery failed
[ 1201.097411] pcieport 0001:00:00.0: AER: Uncorrected (Non-Fatal) error received: id=0000
[ 1201.105471] pcieport 0001:00:00.0: PCIe Bus Error: severity=Uncorrected (Non-Fatal), type=Transaction Layer, id=0000(Requester ID)
[ 1201.117328] pcieport 0001:00:00.0: device [1957:808a] error status/mask=00004000/00400000
[ 1201.125681] pcieport 0001:00:00.0: [14] Completion Timeout (First)
[ 1201.132564] pcieport 0001:00:00.0: AER: Device recovery failed
[ 1201.140808] pcieport 0001:00:00.0: AER: Uncorrected (Non-Fatal) error received: id=0000
[ 1201.170951] drv_fpga_read signal_pending error!
[ 1201.256622] pcieport 0001:00:00.0: PCIe Bus Error: severity=Uncorrected (Non-Fatal), type=Transaction Layer, id=0000(Requester ID)
[ 1201.268363] pcieport 0001:00:00.0: device [1957:808a] error status/mask=00004000/00400000

 

 

thanks

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