[Bug 1764] Server crashes with signal 11 (segfault) on startup

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https://freedesktop.org/bugzilla/show_bug.cgi?id=1764        
   




------- Additional Comments From kstailey at yahoo.com  2004-11-10 19:32 -------
At this point I have determined that the call to X86EMU_exec() never returns.  I
also see a series of eight calls to int_handler(0x1A) are made from inside
X86EMU_exec() or a sub function.

in xf86x86emu.c

void
xf86ExecX86int10(xf86Int10InfoPtr pInt)
{
    int sig = setup_int(pInt);

    if (sig < 0)
        return;

    if (int_handler(pInt)) {
        xf86DrvMsg(pInt->scrnIndex, X_INFO, "int_handler returned TRUE\n");
        X86EMU_exec();
        xf86DrvMsg(pInt->scrnIndex, X_INFO, "X86EMU_exec returned\n");
    }

    finish_int(pInt, sig);
}

in xf86int10.c

int
int_handler(xf86Int10InfoPtr pInt)
{
    int num = pInt->num;
    int ret = 0;

    xf86DrvMsg(pInt->scrnIndex, X_INFO, "int_handler called (%x)\n", num);

    switch (num) {
[...etc...]

When Xorg is run I get in Xorg.0.log

(II) MGA(0): int_handler called (e6)
(II) MGA(0): int_handler returned TRUE
(II) MGA(0): int_handler called (1a)
(II) MGA(0): int_handler called (1a)
(II) MGA(0): int_handler called (1a)
(II) MGA(0): int_handler called (1a)
(II) MGA(0): int_handler called (1a)
(II) MGA(0): int_handler called (1a)
(II) MGA(0): int_handler called (1a)
(II) MGA(0): int_handler called (1a)

   *** If unresolved symbols were reported above, they might not
   *** be the reason for the server aborting.

Fatal server error:
Caught signal 11.  Server aborting        
   
   
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