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Altera_Forum
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10 years ago

Linux kernel attaches to wrong IRQ on nios II

Hello all, I have a system running on an Arria II FPGA that contains two (2) Nios II processors (hereafter referred to as Nios A & Nios B. Each of these processors are currently completely ...
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Altera_Forum
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10 years ago

Hi Brad,

I have faced the same problem when I was working with qsys system in Linux kernel v3.10, But I haven't faced it in earlier kernels. I have tried some workaround by moving JTAG IRQ from 1 to 4 in my case and it worked. You should give it try by moving JTAG IRQ to 3 or 4, It should resolve the IRQ conflict issue. Between, I am also looking for the actual cause of the issue.

- Parth Shah