On Mon, Oct 17, 2005 at 03:39:24PM +0200, Yoann Allain wrote: > Since last mail I played with the interrupt masks (IM - bits 15-8 in > MIPS status register) . From the MIPS cause register, it seems that the > bit 15 (hardware interrupt 5 or timer interrupt) is the originator of > the freezing interrupt. And the exception code shown for this interrupt > is 6 corresponding to a Bus error exception. I think there's a pointer > to the interrupt handler not correctly initialized. So that the > interrupt makes a jump to nowhere. In which case you should get a nice register dump with $ra pointing to offending jalr instruction + 8 bytes. Of course that requieres you to get printk working even earlier but with a serial console that's trivial. Ralf
