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Altera_Forum
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7 years ago

Arria 10 PCIe Avalon-MM DMA Reference Design: Read/Write Timeout

Hi guys, I tried searching through the forum for this and found some posts on it but no solution to the issue. I am currently in possession of a Nallatech 385a PCIe card with an Arria 10 on it...
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Altera_Forum
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7 years ago

Some additional output from dmesg: 


 altera_dma: loading out-of-tree module taints kernel.
 altera_dma: module verification failed: signature and/or required key missing - tainting kernel
 Altera DMA: altera_dma_init(), May 18 2018 17:29:59 
 Altera DMA 0000:01:00.0: pci_enable_device() successful
 Altera DMA 0000:01:00.0: irq 33 for MSI/MSI-X
 Altera DMA 0000:01:00.0: pci_enable_msi() successful
 Altera DMA 0000:01:00.0: using a 64-bit irq mask
 Altera DMA 0000:01:00.0: irq pin: 1
 Altera DMA 0000:01:00.0: irq line: 11
 Altera DMA 0000:01:00.0: irq: 33
 Altera DMA 0000:01:00.0: request irq: 11
 Altera DMA 0000:01:00.0: BAR 0xf0110000-0xf01101ff flags 0x0014220c, length 512
 Altera DMA 0000:01:00.0: BAR 0x00000000-0x00000000 flags 0x00000000, length 0
 Altera DMA 0000:01:00.0: BAR 0x00000000-0x00000000 flags 0x00000000, length 0
 Altera DMA 0000:01:00.0: BAR 0x00000000-0x00000000 flags 0x00000000, length 0
 Altera DMA 0000:01:00.0: BAR 0xf0100000-0xf010ffff flags 0x0014220c, length 65536
 Altera DMA 0000:01:00.0: BAR 0x00000000-0x00000000 flags 0x00000000, length 0
 Altera DMA 0000:01:00.0: BAR mapped to 0xffffabf100e46000, length 512
 Altera DMA 0000:01:00.0: BAR mapped to 0xffffabf100ee0000, length 65536
 Read DMA times out
 DWORD = 00000200
 Desc = 00000080
 Write DMA times out
 DWORD = 00000200
 Desc = 00000080
 Simultaneous DMA times out
 DWORD = 00000200
 Desc = 00000080