con-ux bug?

Frank Mehnert fm3 at os.inf.tu-dresden.de
Fri May 12 11:06:57 CEST 2006


Hi Wei Shen,

On Friday 12 May 2006 10:48, Wei Shen wrote:
> I run con-ux with:
> ./fiasco -G 800x600 at 16 -m 128 -l names -l dm_phys -l con-ux

You might add ``-l log'' here.

> The output is:
> >*con     | Using fast memcpy.
> >*con     | Character size is 8x14, font has 256 characters
> >*con     | VESA reports 800x600 at 16 1600bpl (0000) [4096kB]
> >*con     | Color mapping: red=11:5 green=5:6 blue=0:5 res=0:0
> > ... ....
> >*con     | Mapping I/O UX video mem c0000000 => 00400000+000000 [4096kB]
> >*con     | Using MMXEXT for colorspace transform
> >
> >KERNEL: 7.2 (tcb=201c1000) killed:
> >Unhandled trap
> >
> >EAX 00000025 EBX 0000122b ECX 0000000a EDX 00000000
> >ESI 00000320 EDI 00b0d73c EBP 012ffda8 ESP 012ffda4
> >EIP 00b0dc7f EFLAGS 00200206
> >CS 0002 SS 007b DS 007b ES 007b FS 0000 GS 0000
> >trap 13 (General Protection), error 00000402, from user mode
> >(internal event regarding IDT gate descriptor no. 0x80)

Please disassemble your con-ux binary, the instruction at the EIP is
important:

  objdump -ld 0x00b0dc7f

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