xserver hangs on Win2k with some x11perf tests

[Ralf Habacker]

Hi,

I have found that the xfree xserver (snapshot from 2001, August 1) hangs on
calling
x11perf   -wdline100 or
x11perf   -wddline100

The problem occurs in the function miLineArcD() like shown in the gdb list
below.

Ralf

--------------------------------------------------------------------------------
$$ gdb -nw /usr/X11R6/bin/XWin.exe 1480
GNU gdb 5.0 (20010428-1)
Copyright 2001 Free Software Foundation, Inc.
GDB is free software, covered by the GNU General Public License, and you are
welcome to change it and/or distribute copies of it under certain conditions.
Type "show copying" to see the conditions.
There is absolutely no warranty for GDB.  Type "show warranty" for details.
This GDB was configured as "i686-pc-cygwin"...
/home/habacker/x11perf/1480: No such file or directory.
Attaching to program `/usr/X11R6/bin/XWin.exe', process 1480
[Switching to thread 1480.0x6c0]
(gdb) thread
[Current thread is 5 (thread 1480.0x6c0)]
(gdb) info thread
* 5 thread 1480.0x6c0  0x77f9eeaa in _size_of_stack_reserve__ ()
  4 thread 1480.0x1b4  0x77f82230 in _size_of_stack_reserve__ ()
  3 thread 1480.0x788  0x77f820f0 in _size_of_stack_reserve__ ()
  2 thread 1480.0x4c4  0x77f820f0 in _size_of_stack_reserve__ ()
  1 thread 1480.0x360  0x004732b1 in miLineArcD ()
(gdb) bt
#0  0x77f9eeaa in _size_of_stack_reserve__ ()
Cannot access memory at address 0x2000000
(gdb) thread 4
[Switching to thread 4 (thread 1480.0x1b4)]#0  0x77f82230 in
_size_of_stack_reserve__ ()
(gdb) bt
#0  0x77f82230 in _size_of_stack_reserve__ ()
Cannot access memory at address 0x2000000
(gdb) thread 3
[Switching to thread 3 (thread 1480.0x788)]#0  0x77f820f0 in
_size_of_stack_reserve__ ()
(gdb) bt
#0  0x77f820f0 in _size_of_stack_reserve__ ()
Cannot access memory at address 0x2000000
(gdb) thread 2
[Switching to thread 2 (thread 1480.0x4c4)]#0  0x77f820f0 in
_size_of_stack_reserve__ ()
(gdb) bt
#0  0x77f820f0 in _size_of_stack_reserve__ ()
Cannot access memory at address 0x2000000
(gdb) thread 1
[Switching to thread 1 (thread 1480.0x360)]#0  0x004732b1 in miLineArcD ()
(gdb) bt
#0  0x004732b1 in miLineArcD ()
#1  0x00473d73 in miLineArc ()
#2  0x004759fd in miWideDashSegment ()
#3  0x00476238 in miWideDash ()
#4  0x0044f3e7 in fbPolyLine ()
#5  0x0047b172 in miSpritePolylines ()
#6  0x00647a62 in shadowPolylines ()
#7  0x00409850 in ProcPolyLine ()
#8  0x0040716d in Dispatch ()
#9  0x004018e1 in main ()
#10 0x61003aca in _size_of_stack_reserve__ ()
#11 0x61003c9d in _size_of_stack_reserve__ ()
#12 0x61003cdc in _size_of_stack_reserve__ ()
#13 0x0069b6f4 in cygwin_crt0 ()
#14 0x0040103b in mainCRTStartup ()
#15 0x77e892a6 in _size_of_stack_reserve__ ()

Ralf Habacker
EMail: Ralf@habacker.de
       Ralf.Habacker@saght.tessag.com