Re: [ros-dev] Re: [ros-svn] [hbirr] 13102: - Set the limit of the user mode code/data segment back to 4GB.

[Alex Ionescu]

Hartmut Birr wrote:

> >  
> >  
>  I got the fpu crash while compiling ntoskrnl on ros. The dependency 
>  files were build successful. The crash occurs at the first real 
>  compilation. I've added many debug prints. I've never seen a fpu trap. 
>  The crash was a page fault on address 0xffffffff. Eip and an other 
>  register was 0xffffffff. The return address has point after a fpu 
>  instruction. I've disabled sysenter and no crash occurs. So I had the 
>  feeling that something was wrong with the stack, because the address 
>  0xffffffff is very dirty. Currently I don't understand what is going 
>  on. Finding the real bug was a little bit try and error.
>
>  - Hartmut
>  
Thanks for your last fix as well...I can't believe I hadn' t noticed 
it... originally 9(esp) was correct but I ended up moving stuff later 
and not noticing.

Best regards,
Alex Ionescu