Description of problem:


Version-Release number of selected component (if applicable):
gnash-plugin 0.7.2-2.fc7

How reproducible:
Always

Steps to Reproduce:
0. Install gnash-plugin
1. Open http://www.ynet.co.il. There is a flash ad after head article.
Sometimes, just image ad is shown. In this case, remove all cookies from the
site and refresh until you get flash ad.
2. Close an ad by clicking X in its left bottom corner.
3.
  
Actual results:
Whole X session crashes and X restarts.

Following backtrace is logged in /var/log/Xorg.0.log:
Backtrace:
0: /usr/bin/Xorg(xf86SigHandler+0x81) [0x80ceb41]
1: [0x850420]
2: /usr/lib/xorg/modules/extensions//libGLcore.so(xmesa_check_and_update_buffer_
size+0x32) [0x1193272]
3: /usr/lib/xorg/modules/extensions//libGLcore.so(XMesaResizeBuffers+0x29) [0x11
95a09]
4: /usr/lib/xorg/modules/extensions//libGLcore.so [0x11ccf70]
5: /usr/lib/xorg/modules/extensions//libglx.so [0xf983ba]
6: /usr/bin/Xorg(compPositionWindow+0x59) [0x81021a9]
7: /usr/bin/Xorg(ResizeChildrenWinSize+0x1af) [0x80772ef]
8: /usr/bin/Xorg(miMoveWindow+0x130) [0x81363c0]
9: /usr/bin/Xorg(compMoveWindow+0xad) [0x81031cd]
10: /usr/bin/Xorg(ConfigureWindow+0x7bc) [0x807697c]
11: /usr/bin/Xorg(ProcConfigureWindow+0xa1) [0x8088ae1]
12: /usr/bin/Xorg [0x814efd1]
13: /usr/bin/Xorg(Dispatch+0x1aa) [0x808936a]
14: /usr/bin/Xorg(main+0x495) [0x80710a5]
15: /lib/libc.so.6(__libc_start_main+0xe0) [0x125f70]
16: /usr/bin/Xorg(FontFileCompleteXLFD+0x1e1) [0x8070391]

Fatal server error:
Caught signal 11.  Server aborting

I have NVidia GeForce MX440 video card, running with nv driver.