[Bugs] #3776 Browse UNSP: Browse segfaults on start on XO-1.75 until reboot

[Sugar Labs Bugs]

#3776: Browse segfaults on start on XO-1.75 until reboot
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    Reporter:  carrott                    |          Owner:  erikos                     
        Type:  defect                     |         Status:  new                        
    Priority:  Unspecified by Maintainer  |      Milestone:  Unspecified by Release Team
   Component:  Browse                     |        Version:  Unspecified                
    Severity:  Unspecified                |       Keywords:  12.1.0                     
Distribution:  Unspecified                |   Status_field:  Unconfirmed                
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Comment(by dsd):

 We can reproduce this by opening browse on google.com/search?q=test or
 just by running /usr/libexec/webkitgtk3/GtkLauncher (which loads the
 google homepage).

 This can be reproduced on:
  * webkit-1.8.1 with OLPC patches (shipped in 12.1.0 build 20)
  * webkit-1.8.1 from F17
  * webkit-1.8.1 on F18

 Can't reproduce with:
  * webkit-1.9.3 on F18
  * webkit-1.9.5 on F18

 more detailed trace with debuginfo:
 http://dev.laptop.org/~dsd/20120822/3776bt.txt

 full trace: http://dev.laptop.org/~dsd/20120822/3776btfull.txt

 It's not related to the above webkit bug (#90957) because webkitgtk
 doesn't use parallel GC in the 1.8 series. It might be related to
 https://bugs.webkit.org/show_bug.cgi?id=56115 - but the code is so
 different from the bits changed in the fix its hard to say.

 Next steps are to build 1.8.3 in case its fixed there (in progress), and
 also to build with debugging assertions enabled in case that gives clues.
 As each build takes more than 10 hours this will take a while.

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Ticket URL: <http://bugs.sugarlabs.org/ticket/3776#comment:6>
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