On Thu, Mar 04, 2010 at 07:52:02AM -0600, Pat Kane wrote:
> Ross Boylan <r...@biostat.ucsf.edu> wrote:
> > Program received signal SIGSEGV, Segmentation fault.
> > 0x0000000000000000 in ?? ()
> > (gdb) where
> > #0 0x0000000000000000 in ?? ()
> > #1 0x000000000051a72a in DoConfigure ()
> > at ../../../../hw/xfree86/common/xf86Configure.c:832
>
> The traceback says that someone branched to zero at
> line 832 of hw/xfree86/common/xf86Configure.c, that
> section of code (from git master) looks like this:
>
> ConfiguredMonitor = NULL;
>
> xf86EnableAccess(xf86Screens[dev2screen[j]]);
> if ((*xf86Screens[dev2screen[j]]->PreInit)(xf86Screens[dev2screen[j]],
> 832: PROBE_DETECT) &&
> ConfiguredMonitor) {
> MonitorPtr = configureDDCMonitorSection(j);
> } else {
> MonitorPtr = configureMonitorSection(j);
> }
>
> So it appears that the expression:
> (*xf86Screens[dev2screen[j]]->PreInit)
> is NULL; it would be a good idea for that code to check
> if PreInit has been filled in before jumping through it.
>
> Can you recompile the X server with a test for NULL?Er, if pScrn->PreInit is NULL, then something's gone quite seriously wrong and we're screwed anyway. Cheers, Daniel
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