On Thu, Oct 29, 2009 at 07:51:52AM +0800, wilbur.chan wrote: > I was going to boot mips64 xlr408, which has 8 cores. The XLR is not supported by the linux-mips.org rsp. kernel.org kernel trees. > Howerver, the code seemd to stop before calling 'start_kernel---> > > calibrate_delay ' . > > So Iadded some 'printk' in calibrate_delay, to check out why it failed. > However, if I added a 'printk' in any 'if branches' in > > 'calibrate_delay ' function , the kernel would halt before calling > > > 'j start_kernel' in head.S. (in this situation ,printk seemed > > unavailable, so I wrote directlly to serial address to trace the > > kernel). > > > Can anyone tell me why this happed? When something like this happens it is in most cases caused by timer interrupt not working. Ralf
