On 12/11/2022 18:15, Karim Manaouil wrote:
Hi Jan,
I am trying to deploy Jailhouse on an AMD EPYC with 128 CPUs (8 NUMA
nodes), running Linux kernel v5.10 (same version used by jailhouse CI
with same patches applied).
`jailhouse hardware check` return that everything is ok and that "Check
passed!".
Memory was reserved via `memmap=0x5200000$0x3a000000`
However, enter_hypervisor() [1] fails when entry() is called on every
cpu and return -ENOMEM as error_code.
Try to reserve more memory. Maybe the default size of 6MiB for HV memory
is insufficient for 128 CPUs.
Did you use jailhouse-config-create? You can use the --mem-hv option to
increate the memory. Try, for example, 32MiB and see if it works.
Ralf
Do you possibly know where could the issue come from?
Best
Karim
[1]
https://github.com/siemens/jailhouse/blob/c7a1b6971ac15e4be8a0918b9bef6e2cbd99f9fc/driver/main.c#L251 <https://github.com/siemens/jailhouse/blob/c7a1b6971ac15e4be8a0918b9bef6e2cbd99f9fc/driver/main.c#L251>
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