[Bug 236513] Different power states (C1/C2/...) per CPU core

bugzilla-noreply at freebsd.org bugzilla-noreply at freebsd.org
Sun Mar 24 20:51:49 UTC 2019


https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=236513

--- Comment #11 from stockhausen at collogia.de ---
Memo for myself: This can only occur if acpi_bus_alloc_gas() fails in
bus_alloc_resource_any():

acpi_bus_alloc_gas()
{
    ...
    error = ENOMEM;
    ...
    *res = bus_alloc_resource_any(dev, res_type, rid, RF_ACTIVE | flags);
    if (*res != NULL) {
        *type = res_type;
        error = 0;
    } else
        bus_delete_resource(dev, res_type, *rid);

    return (error);
}

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