Re: Xvesa on FC2 and xcompmgr

On Wed, 31 Mar 2004, Douglas McMorris wrote:

> > Now, i have used this server on my Fedora Core 1 system and everything
> > just worked fine, but now i have updated to Fedora Core 2-test2 and i
> > have some problems.
> >
> > 1: Xvesa -verbose returns this:
> > Mode requested 640x480x4
> >     0x0012: 640x480x4 Planer (4 planes) (no linear framebuffer)
> >     Static color bpp 4 depth 4
> > Previous modes: VBE 0x4148 BIOS 0x48
> > Enable BIOS mode 0x12
> > Segmentation fault
>
> I have the same problem.  It was fine until i updgraded to FC2-test2 (i
> was on test1 before).
>
> When i run it though gdb it shows that its segfaulting on some assembly
> code in vm86.c if that helps anyone.
>
> from gdb:
>
> Program received signal SIGSEGV, Segmentation fault.
> 0x0804f39a in vm86old (vm=0x87226a0) at vm86.c:684
> 684         asm volatile (

Can you do a backtrace? Just type 'bt' in gdb when the program breaks. I
have been looking at the vesa code, and vb86old is too low-level to
determine where things really broke; it's probably a function above it
that passed a bad parameter, which the backtrace will show.

 - Brent