** Changed in: xorg-server (Ubuntu)
   Importance: Undecided => High
       Status: Incomplete => Triaged

** Summary changed:

- System monitor crashes X when menu clicked
+ System monitor crashes X when menu clicked if BackingStore option used

** Summary changed:

- System monitor crashes X when menu clicked if BackingStore option used
+ System monitor crashes X when menu clicked if BackingStore option used - 
compUnredirectWindow+0x7b

** Description changed:

- Binary package hint: gnome-system-monitor
- 
- Hello,
  
  I have a reproducible bug that crashes X11 whenever I click on a menu
  (file for example) in gnome-system-monitor in Intrepid.  X11 completely
  crashes with the following stack trace:
  
  Backtrace:
  0: /usr/X11R6/bin/X(xf86SigHandler+0x79) [0x80c3009]
  1: [0xb7fe1400]
  2: /usr/X11R6/bin/X(UnmapWindow+0x1f8) [0x8076e28]
  3: /usr/X11R6/bin/X(compFreeClientWindow+0x23a) [0x8143b0a]
  4: /usr/X11R6/bin/X [0x8141134]
  5: /usr/X11R6/bin/X(FreeResource+0x10c) [0x807461c]
  6: /usr/X11R6/bin/X(compUnredirectWindow+0x7b) [0x81436ab]
  7: /usr/X11R6/bin/X [0x8141a8e]
  8: /usr/X11R6/bin/X [0x81290b5]
  9: /usr/X11R6/bin/X [0x8128fcc]
  10: /usr/X11R6/bin/X(miChangeSaveUnder+0x6b) [0x812916b]
  11: /usr/X11R6/bin/X(MapWindow+0x448) [0x8077658]
  12: /usr/X11R6/bin/X(ProcMapWindow+0x69) [0x808c019]
  13: /usr/X11R6/bin/X(Dispatch+0x34f) [0x808c89f]
  14: /usr/X11R6/bin/X(main+0x47d) [0x8071d1d]
  15: /lib/tls/i686/cmov/libc.so.6(__libc_start_main+0xe5) [0xb7be7685]
  16: /usr/X11R6/bin/X [0x8071101]
  Saw signal 11.  Server aborting.
  
  
  It also randomly occurs when using gnome-system-monitor, but I'm not sure if 
that is a different bug or not. I am running Nvidia's restricted drivers, but 
it occurs with them turned off as well.  I have tried reinstalling every 
package using aptitude and removing all obsolete and autoremovable packages, 
after a restart I was able to click on the file menu once, afterwards the bug 
returned.

-- 
System monitor crashes X when menu clicked if BackingStore option used - 
compUnredirectWindow+0x7b 
https://bugs.launchpad.net/bugs/310038
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