Re: Er, don't try this at home

[Andrew Cagney <cagney%mac.com@localhost>]

> charles said that trap was maybe altivec, but in any case, it is a
> user trap and it shouldn't cause a kernel panic in any case.  someone
> should try this (untested) patch:
>
>
> Index: trap.c
> ===================================================================
> RCS file: /cvsroot/syssrc/sys/arch/powerpc/powerpc/trap.c,v
> retrieving revision 1.53
> diff -p -r1.53 trap.c
> *** trap.c      2001/10/18 01:33:48     1.53
> --- trap.c      2001/11/08 04:35:56
> *************** syscall_bad:
> *** 409,414 ****
> --- 409,420 ----
>         }
>   
>   	default:
> +               if (type & EXC_USER) {
> + #ifdef DIAGNOSTIC
> +                       printf("user trap type %x at %x\n", type, frame->srr0);
> + #endif
> +                       break;
> +               }
>   brain_damage:
>                 printf("trap type %x at %x\n", type, frame->srr0);
>   brain_damage2:

Didn't appear to help - instead of panicing the machine stopped dead :-(

thanks though,
Andrew