I think your trace is bad. I don't think PositionWindow
actually does anything. As far as I can tell fb is the only
thing hooked up to it and it just returns true. If your
binary has been stripped, your trace may very well be junk.
Mark.
On Mon, 26 Aug 2002, Jim Newberry wrote:
> Hi,
> I'm looking for some help in finding the source of a repeatable,
> driver-independent (I think) crash I'm causing in PositionWindow . I'm
> using the source RPM from RedHat (4.1.0-3) and the Savage driver on a
> ThinkPad. I can also cause the crash using the nv driver.
>
> Scenario:
>
> Multi-executable suite of cooperating programs. Close a window. Go to
> another window's title bar and try to move the window. X server crashes
> (in both gnome and kde). I can construct a use path where I can repeat it
> about 70% of the time.
>
> The program that I'm using uses a GlxMDraw widget.
>
> I'm sure I have a program bug, although why in the world it would cause an
> X Server crash, I don't know...
>
> Anyway, I'd like to trace it down and I don't know how to get to the
> PositionWindow symbol to expand my stack trace down to where the seg fault
> happens.
>
>
>
> Running XFree86 in gdb, I can get to the following stack trace:
>
> Program received signal SIGSEGV, Segmentation fault.
> 0x084ce604 in ?? () at eval.c:41
> 41 eval.c: No such file or directory.
> in eval.c
> (gdb) where
> #0 0x084ce604 in ?? () at eval.c:41
> #1 0x08472686 in ?? () at eval.c:41
> #2 0x082f006b in ?? () at eval.c:41
> #3 0x082effc7 in ?? () at eval.c:41
> #4 0x08511fd1 in ?? () at eval.c:41
> #5 0x0850a07c in ?? () at eval.c:41
> #6 0x08390910 in ?? () at eval.c:41
> #7 0x0846db30 in ?? () at eval.c:41
> #8 0x083fd4bf in ?? () at eval.c:41
> #9 0x080f7ba3 in ResizeChildrenWinSize (pWin=0x89d34e8, dx=5, dy=-17, dw=
> 0, dh=0)
> at window.c:1831
> #10 0x081c7302 in miMoveWindow (pWin=0x89d34e8, x=330, y=369,
> pNextSib=0x88a5300,
> kind=VTMove) at miwindow.c:524
> #11 0x080f8fc1 in ConfigureWindow (pWin=0x89d34e8, mask=15,
> vlist=0x8784bfc,
> client=0x8728d48) at window.c:2504
> #12 0x080cff0a in ProcConfigureWindow (client=0x8728d48) at dispatch.c:766
> #13 0x080cf5e0 in Dispatch () at dispatch.c:456
> #14 0x080e6b95 in main (argc=4, argv=0xbffff914, envp=0xbffff928) at main.
> c:449
> #15 0x40089507 in __libc_start_main (main=0x80e6550 <main>, argc=4, ubp_av=
> 0xbffff914,
> init=0x806c3a0 <_init>, fini=0x81f2e20 <_fini>, rtld_fini=0x4000dc14
> <_dl_fini>,
> stack_end=0xbffff90c) at ../sysdeps/generic/libc-start.c:129
>
> The function called at #9 is:
>
> 1831 (*pScreen->PositionWindow)(pChild,
> 1832 pChild->drawable.x,
> pChild->drawable.y);
>
>
> Any ideas?
>
> Thanks,
> Jim
>
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