[Bug 386409] Re: firefox and desktop crash when very large fonts set

[zewsk]

** Description changed:

  Binary package hint: firefox-3.0
  
  While programming in javascript, I accidentally set the browser fonts
  extraordinarily large, it was bug in my program. I haven't yet been able
  to figure out how large I was setting them, but the page loads, the
  fonts are somewhere around 1000 pixels high, then firefox crashes and
  takes the desktop (gnome) with it. X  restarts and I'm back to the
  desktop login screen.
  
  I'm running ubuntu 9.04, gnome 2.26.1, and firefox 3.0.10.
  
  I recreated the problem from the keyboard. I tried going to the view
  menu or doing ctrl++ ...  you can only pump the fonts up a few times
  then they wont zoom anymore. But if you do a ctrl-shift-z a few times it
  blows the fonts up and will crash the browser. I'm going to try it again
  to be sure, but this sequence did take down FF and gnome at least once.
  Will confirm.
  
  Yup, it crashes alright. But I forgot to mention 1 thing, after you
  ctrl-shift-z about 10 or 15 times, the fonts will be so large they
  disappear off the visible area of the screen... so then use the
  scrollbars to scroll and presto: crash. I realize that zooming text to
  that size has no practical use at this time, however, I hope this
  contributes to a more robust product.
  
+ Possibly useful information: I have examined the output of the
+ javascript... it is producing a string based on a simple calculation.
+ Some of the results look like this: 1.4000000000000001em, or 0em.
+ Clearly I need to do some editing of the resulting numbers, but could
+ they be the source of the problem?
+ 
+ 
  ProblemType: Bug
  Architecture: i386
  DistroRelease: Ubuntu 9.04
  NonfreeKernelModules: nvidia
  Package: firefox-3.0 3.0.10+nobinonly-0ubuntu0.9.04.1
  ProcEnviron:
   LANG=en_CA.UTF-8
   SHELL=/bin/bash
  SourcePackage: firefox-3.0
  Uname: Linux 2.6.28-11-generic i686

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firefox and desktop crash when very large fonts set
https://bugs.launchpad.net/bugs/386409
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