l4linux26 @ fiasco-ux w/ dietlibc

[Frank Mehnert]

On Wednesday 02 November 2005 14:10, Udo A. Steinberg wrote:
> On Wed, 2 Nov 2005 13:18:15 +0100 Marko Wolf (MW) wrote:
>
> MW> I'm compiling  FUX w/ a 2.6.12 Debian w/ libc 2.5.3 and I enabled all
> MW> experimental options except KIP_SYSCALLS and LOCAL_IPC.  However, I
> MW> updated the sources from your CVS again and - viola - now its running
> with MW> the same configuration as before with only a unhandled kernel trap
> (that MW> fortunately doesn't halts the bootup procedure) when using l4dope
> instead MW> of (errorfree) console.
> MW>
> MW> KERNEL: e.2 (tcb=50702000) killed:
> MW> Unhandled trap
> MW>
> MW> EAX 00000000 EBX 00afff04 ECX 00000000 EDX 00000000
> MW> ESI 00000000 EDI 00000000 EBP 00affeec ESP 00affed4
> MW> EIP 01303a78 EFLAGS 00010246
> MW> CS 0002 SS 007b DS 007b ES 007b FS 0000 GS 0007
> MW> trapno 16, error 00000000, from user mode
>     ^^^^^^^^^
>
> Try disassembling the offending program (Task E) using objdump -DC <binary>
> and find out what's at EIP 0x1303a78. I bet it's a DIV instruction and the
> operand is 0.

Just an additional remark: At this state you simply need to press CTRL+C
and type 

  ut16<SPACE>1303a78<SPACE>

Frank
-- 
## Dept. of Computer Science, Dresden University of Technology, Germany ##
## http://os.inf.tu-dresden.de/~fm3                                     ##
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