On Thu, Sep 07, 2006 at 04:25:51PM -0700, Kaz Kylheku wrote: > Anyone seen anything like this? > > Execution does not get past the loop: > > while (!cpu_isset(cpu, cpu_callin_map)) > udelay(100); > > The other CPU is not coming up. > > 32 bit SMP works fine. Interesting because the 64-bit kernel is considered bettere tested on Sibyte chips than 32-bit these days. Not a problem I was aware of. Ralf