On 2018-05-24 16:27, Giovani Gracioli wrote: >> On 2018-05-24 15:59, Giovani Gracioli wrote: >>> Not sure about MMU on Erika. >>> >>> Yes, the fault is reported as well. This address is just another memory. >>> 0xA00.. is the BRAM and 0x500.. is the DRAM. Both have the same faulty >>> behavior when the size is 2MB. >> >> You see the issue also when mapping some arbitrary DRAM region with a >> size of 2MB? Can you reproduce this with an IVSHMEM region as well? What >> if you increase the size beyond 2M, to 3M e.g.? >> >> Jan >> >> -- >> Siemens AG, Corporate Technology, CT RDA IOT SES-DE >> Corporate Competence Center Embedded Linux > > DRAM: works with 1MB, 3MB, and 32MB. > does not work with 2MB. > > BRAM (is limited to 2MB): works with 1MB, does not with 2MB. > > IVSHMEM: tested with 1 and 2MB and worked in both cases. >
That's not a consistent pattern yet because IVSHMEM and DRAM is just the same, use the same flags etc. Can you send a config that demonstrates the DRAM issue? Ideally very close to the upstream zynqmp-zcu102 configs. Thanks, Jan -- Siemens AG, Corporate Technology, CT RDA IOT SES-DE Corporate Competence Center Embedded Linux -- You received this message because you are subscribed to the Google Groups "Jailhouse" group. To unsubscribe from this group and stop receiving emails from it, send an email to [email protected]. For more options, visit https://groups.google.com/d/optout.
