Mulyadi Santosa wrote:
> Hi...
>
> On Thu, May 8, 2008 at 2:53 PM, Keilhau Timo ( Student )
> <timo.keilhau.student@thomson.net> wrote:
>   
>> Ive compiled the 2.6.25 kernel on guest with:
>>  [*] Compile the kernel with frame pointers
>>  [*] Compile the kernel with debug info
>> additionally CFLAGS="-g3 -ggdb"
>>     
>
> You meant -O3? well, IMO, you don't need -O at all. AFAIK mixing -g or
> -ggdb with -O{1,2,3} is a bad thing, since it will render the DWARF
> information inside the ELF file (in this case, the vmlinux)
> inconsistent with the runtime context (line number, current EIP
> correlated with break points).
>
> Of course, this assume that there is no bugs while Qemu inspect and
> found that it must pause at certain address... I believe Jasson Wessel
> had squashed all that kind of bugs in the past.
>
> regards,
>
> Mulyadi.
>
>   
I believe that Mulyadi is talking about the following two patches which
are attached here, assuming you are able to hit breakpoints.

Jason.