Hi Andreas, On Mon Dec 14, 2020 at 15:35:08 -0800, Andreas Steinmetzler wrote: > in some experiments I'm trying to run Fiasco/L4re on a Aaeon FWS2360 > (https://www.aaeon.com/en/p/desktop-network-appliance-fws-2360) with an > Intel Atom C3558. Unfortunately Fiasco gets stuck on boot when trying to > start the different cores of the processor (I'm using the latest published > l4re-snapshot-20.10.0). For this test I'm using the "hello world" ISO build > with this command > > make E=hello grub2iso MODULE_SEARCH_PATH="${PWD}/../build-fiasco-amd64" > > The ISO image boots fine on another amd64 system. After adding some > printf()'s to the file kernel_thread-ia32.cpp it looks to me that things get > stuck with this call: > > // Send IPI-Sequency to startup the APs > Apic::mp_startup(Cpu::boot_cpu(), Apic::APIC_IPI_OTHERS, tramp_page); > > as it does not return anymore ... any hint how to debug this or drill down > to get more information and the AtomC3558 system to boot?
The first thing I'd check is whether it runs on a single core only at least (i.e. commenting out the mp_startup call)? Then it's probably good diving into mp_startup to see at which point therein it is hanging. Then we'll see whether this tells us something. Thanks, Adam _______________________________________________ l4-hackers mailing list l4-hackers@os.inf.tu-dresden.de http://os.inf.tu-dresden.de/mailman/listinfo/l4-hackers
