Gregor Waltz wrote: > Atsushi Nemoto wrote: >> On Fri, 11 Jan 2008 12:49:49 -0500, Gregor Waltz <gregor.waltz@xxxxxxxxxxx> wrote: >> >>> I built linux-2.6.23.9 with the above, but the results are still the >>> same and the EPC is not in System.map. >>> >> >> Are you searching the exact EPC value in System.map? >> Usually you should find a function symbol which contains the EPC value in it. >> >> Or you can do "mipsel-linux-objdump -d vmlinux" and search the EPC value. >> > > > The current error is: > Exception! EPC=80026290 CAUSE=00000020(Sys) > 80026290 0000000c syscall > > 80026290 is not in System.map, however, the objdump is much more > informative and does contain that value. That particular syscall is in: > > 8002628c <kernel_execve>: > 8002628c: 24020fab li v0,4011 > 80026290: 0000000c syscall > 80026294: 00401821 move v1,v0 > 80026298: 14e00003 bnez a3,800262a8 <kernel_execve+0x1c> > 8002629c: 00000000 nop > 800262a0: 03e00008 jr ra > 800262a4: 00601021 move v0,v1 > 800262a8: 03e00008 jr ra > 800262ac: 00031023 negu v0,v1 > > Does that provide any clues? The kernel failed to set up the general exception handler correctly. It should have done that before attempting to start the first kernel thread. Thiemo
