On 2/22/2021 12:13 PM, Álvaro Fernández Rojas wrote:

Some BCM6358 devices start with Core #1 instead of Core #0.
Apart from that, SMP is restricted to 1 CPU since BCM6358 has a shared TLB,
which makes it impossible for the current SMP support to start both CPUs.

The problem is that smp_processor_id() returns 0 and then cpu_logical_map()
converts that to 1, which accesses an uninitialized position of intc->cpus[],
resulting in a kernel panic.

Sounds like you nee to correct the way the cpu_logical_map[] is
populated then?
-- 
Florian