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| sajattack[m] | yeah it's definitely a problem on newer kernels | 02:16 |
|---|---|---|
| sajattack[m] | I spun up an ubuntu 18.04 vm with pcie passthrough and it works now | 02:16 |
| sajattack[m] | 9Gbps DMA | 02:19 |
| sajattack[m] | happy to look into a fix if I have time and you point me in the right direction | 02:22 |
| * sajattack[m] uploaded an image: (158KiB) < https://matrix.org/_matrix/media/r0/download/matrix.org/vVjZnwZeJHqYIwTKXTEdMZwH/Screenshot%20from%202021-03-28%2020-04-45.png > | 03:10 | |
| sajattack[m] | got a lot of this while messing about with litex_server | 03:10 |
| sajattack[m] | lots of etherbone timeouts too but I think I might have resolved that one | 03:16 |
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| Akshar | Hey! All. I am total new here. | 04:07 |
| hansfbaier | Akshar: Hi | 04:07 |
| Akshar | I want to build one SBC which has litex core and most of the things that rasberry pi kind of kit includes. | 04:07 |
| Akshar | But under 80$ | 04:07 |
| Akshar | is it feasible? | 04:09 |
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| hansfbaier | Ak | 04:30 |
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| keesj | sajattack[m]: what am I looking at. is your fpga on the pcie of your host pc? | 08:25 |
| sajattack[m] | yes | 08:25 |
| keesj | 1048576 == 0x100000 | 08:25 |
| sajattack[m] | yeah pretty small | 08:26 |
| keesj | cool | 08:27 |
| sajattack[m] | so I don't know where it's set and why it's too small | 08:27 |
| keesj | welll for mmap you can probably trace the calls (e.g. use strace) but . .my guess would be that the problem is in addr | 08:31 |
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| keesj | the address is over 4g over the start | 08:35 |
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| _florent_ | sajattack[m]: To limit BAR0 size, the CSR are remapped internally to address 0, so with LiteX Server over PCIe you have to use this for now: https://github.com/enjoy-digital/litex/commit/58701cc48cd1778cec14196d86ab4d75d7c28624 | 11:36 |
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| mithro | zyp: Were was the USB stuff you were doing again? | 11:47 |
| zyp | mithro, https://github.com/enjoy-digital/litex/pull/860#issuecomment-805572899 | 11:48 |
| mithro | zyp: Do you twitter? | 11:49 |
| zyp | no | 11:49 |
| mithro | zyp: https://twitter.com/BrunoLevy01/status/1376183654582517765 | 11:50 |
| mithro | zyp: https://twitter.com/BrunoLevy01/status/1376490604071415813 | 11:50 |
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